IM: im_process_pon.h Source File
From IM - An Imaging Tool
im_process_pon.h
Go to the documentation of this file.00001 /** \file 00002 * \brief Image Processing - Pontual Operations 00003 * 00004 * See Copyright Notice in im_lib.h 00005 * $Id: im_process_pon.h,v 1.8 2006/11/22 19:55:32 scuri Exp $ 00006 */ 00007 00008 #ifndef __IM_PROCESS_PON_H 00009 #define __IM_PROCESS_PON_H 00010 00011 #include "im_image.h" 00012 00013 #if defined(__cplusplus) 00014 extern "C" { 00015 #endif 00016 00017 00018 00019 /** \defgroup arithm Arithmetic Operations 00020 * \par 00021 * Simple math operations for images. 00022 * \par 00023 * See \ref im_process_pon.h 00024 * \ingroup process */ 00025 00026 /** Unary Arithmetic Operations. 00027 * Inverse and log may lead to math exceptions. 00028 * \ingroup arithm */ 00029 enum imUnaryOp { 00030 IM_UN_EQL, /**< equal = a */ 00031 IM_UN_ABS, /**< abssolute = |a| */ 00032 IM_UN_LESS, /**< less = -a */ 00033 IM_UN_INC, /**< increment += a */ 00034 IM_UN_INV, /**< invert = 1/a (#) */ 00035 IM_UN_SQR, /**< square = a*a */ 00036 IM_UN_SQRT, /**< square root = a^(1/2) */ 00037 IM_UN_LOG, /**< natural logarithm = ln(a) (#) */ 00038 IM_UN_EXP, /**< exponential = exp(a) */ 00039 IM_UN_SIN, /**< sine = sin(a) */ 00040 IM_UN_COS, /**< cosine = cos(a) */ 00041 IM_UN_CONJ, /**< complex conjugate = ar - ai*i */ 00042 IM_UN_CPXNORM /**< complex normalization by magnitude = a / cpxmag(a) */ 00043 }; 00044 00045 /** Apply an arithmetic unary operation. \n 00046 * Can be done in place, images must match size, does not need to match type. 00047 * 00048 * \verbatim im.ProcessUnArithmeticOp(src_image: imImage, dst_image: imImage, op: number) [in Lua 5] \endverbatim 00049 * \verbatim im.ProcessUnArithmeticOpNew(image: imImage, op: number) -> new_image: imImage [in Lua 5] \endverbatim 00050 * \ingroup arithm */ 00051 void imProcessUnArithmeticOp(const imImage* src_image, imImage* dst_image, int op); 00052 00053 /** Binary Arithmetic Operations. 00054 * Inverse and log may lead to math exceptions. 00055 * \ingroup arithm */ 00056 enum imBinaryOp { 00057 IM_BIN_ADD, /**< add = a+b */ 00058 IM_BIN_SUB, /**< subtract = a-b */ 00059 IM_BIN_MUL, /**< multiply = a*b */ 00060 IM_BIN_DIV, /**< divide = a/b (#) */ 00061 IM_BIN_DIFF, /**< difference = |a-b| */ 00062 IM_BIN_POW, /**< power = a^b */ 00063 IM_BIN_MIN, /**< minimum = (a < b)? a: b */ 00064 IM_BIN_MAX /**< maximum = (a > b)? a: b */ 00065 }; 00066 00067 /** Apply a binary arithmetic operation. \n 00068 * Can be done in place, images must match size. \n 00069 * Source images must match type, destiny image can be several types depending on source: \n 00070 * \li byte -> byte, ushort, int, float 00071 * \li ushort -> ushort, int, float 00072 * \li int -> int, float 00073 * \li float -> float 00074 * \li complex -> complex 00075 * One exception is that you can combine complex with float resulting complex. 00076 * 00077 * \verbatim im.ProcessArithmeticOp(src_image1: imImage, src_image2: imImage, dst_image: imImage, op: number) [in Lua 5] \endverbatim 00078 * \verbatim im.ProcessArithmeticOpNew(image1: imImage, image2: imImage, op: number) -> new_image: imImage [in Lua 5] \endverbatim 00079 * The New function will create a new image of the same type of the source images. 00080 * \ingroup arithm */ 00081 void imProcessArithmeticOp(const imImage* src_image1, const imImage* src_image2, imImage* dst_image, int op); 00082 00083 /** Apply a binary arithmetic operation with a constant value. \n 00084 * Can be done in place, images must match size. \n 00085 * Destiny image can be several types depending on source: \n 00086 * \li byte -> byte, ushort, int, float 00087 * \li ushort -> byte, ushort, int, float 00088 * \li int -> byte, ushort, int, float 00089 * \li float -> float 00090 * \li complex -> complex 00091 * The constant value is type casted to an apropriate type before the operation. 00092 * 00093 * \verbatim im.ProcessArithmeticConstOp(src_image: imImage, src_const: number, dst_image: imImage, op: number) [in Lua 5] \endverbatim 00094 * \verbatim im.ProcessArithmeticConstOpNew(image: imImage, src_const: number, op: number) -> new_image: imImage [in Lua 5] \endverbatim 00095 * \ingroup arithm */ 00096 void imProcessArithmeticConstOp(const imImage* src_image, float src_const, imImage* dst_image, int op); 00097 00098 /** Blend two images using an alpha value = [a * alpha + b * (1 - alpha)]. \n 00099 * Can be done in place, images must match size and type. \n 00100 * alpha value must be in the interval [0.0 - 1.0]. 00101 * 00102 * \verbatim im.ProcessBlend(src_image1: imImage, src_image2: imImage, dst_image: imImage, alpha: number) [in Lua 5] \endverbatim 00103 * \verbatim im.ProcessBlendNew(image1: imImage, image2: imImage, alpha: number) -> new_image: imImage [in Lua 5] \endverbatim 00104 * \ingroup arithm */ 00105 void imProcessBlendConst(const imImage* src_image1, const imImage* src_image2, imImage* dst_image, float alpha); 00106 00107 /** Blend two images using an alpha channel = [a * alpha + b * (1 - alpha)]. \n 00108 * Can be done in place, images must match size and type. \n 00109 * alpha_image must have the same data type except for complex images that must be float, and color_space must be IM_GRAY. 00110 * integer alpha values must be: 00111 \verbatim 00112 0 - 255 IM_BYTE 00113 0 - 65535 IM_USHORT 00114 0 - 2147483647 IM_INT 00115 \endverbatim 00116 * that will be normalized to 0 - 1. 00117 * \verbatim im.ProcessBlend(src_image1: imImage, src_image2: imImage, alpha_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00118 * \verbatim im.ProcessBlendNew(image1: imImage, image2: imImage, alpha_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00119 * \ingroup arithm */ 00120 void imProcessBlend(const imImage* src_image1, const imImage* src_image2, const imImage* alpha_image, imImage* dst_image); 00121 00122 /** Split a complex image into two images with real and imaginary parts \n 00123 * or magnitude and phase parts (polar). \n 00124 * Source image must be IM_CFLOAT, destiny images must be IM_FLOAT. 00125 * 00126 * \verbatim im.ProcessSplitComplex(src_image: imImage, dst_image1: imImage, dst_image2: imImage, do_polar: boolean) [in Lua 5] \endverbatim 00127 * \verbatim im.ProcessSplitComplexNew(image: imImage, do_polar: boolean) -> dst_image1: imImage, dst_image2: imImage [in Lua 5] \endverbatim 00128 * \ingroup arithm */ 00129 void imProcessSplitComplex(const imImage* src_image, imImage* dst_image1, imImage* dst_image2, int do_polar); 00130 00131 /** Merges two images as the real and imaginary parts of a complex image, \n 00132 * or as magnitude and phase parts (polar = 1). \n 00133 * Source images must be IM_FLOAT, destiny image must be IM_CFLOAT. 00134 * 00135 * \verbatim im.ProcessMergeComplex(src_image1: imImage, src_image2: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00136 * \verbatim im.ProcessMergeComplexNew(image1: imImage, image2: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00137 * \ingroup arithm */ 00138 void imProcessMergeComplex(const imImage* src_image1, const imImage* src_image2, imImage* dst_image, int polar); 00139 00140 /** Calculates the mean of multiple images. \n 00141 * Images must match size and type. 00142 * 00143 * \verbatim im.ProcessMultipleMean(src_image_list: table of imImage, dst_image: imImage) [in Lua 5] \endverbatim 00144 * \verbatim im.ProcessMultipleMeanNew(src_image_list: table of imImage) -> new_image: imImage [in Lua 5] \endverbatim 00145 * \ingroup arithm */ 00146 void imProcessMultipleMean(const imImage** src_image_list, int src_image_count, imImage* dst_image); 00147 00148 /** Calculates the standard deviation of multiple images. \n 00149 * Images must match size and type. Use \ref imProcessMultipleMean to calculate the mean_image. 00150 * 00151 * \verbatim im.ProcessMultipleStdDev(src_image_list: table of imImage, mean_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00152 * \verbatim im.ProcessMultipleStdDevNew(src_image_list: table of imImage, mean_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00153 * \ingroup arithm */ 00154 void imProcessMultipleStdDev(const imImage** src_image_list, int src_image_count, const imImage *mean_image, imImage* dst_image); 00155 00156 /** Calculates the auto-covariance of an image with the mean of a set of images. \n 00157 * Images must match size and type. Returns zero if the counter aborted. 00158 * 00159 * \verbatim im.ProcessAutoCovariance(src_image: imImage, mean_image: imImage, dst_image: imImage) -> counter: boolean [in Lua 5] \endverbatim 00160 * \verbatim im.ProcessAutoCovarianceNew(src_image: imImage, mean_image: imImage) -> counter: boolean, new_image: imImage [in Lua 5] \endverbatim 00161 * \ingroup arithm */ 00162 int imProcessAutoCovariance(const imImage* src_image, const imImage* mean_image, imImage* dst_image); 00163 00164 /** Multiplies the conjugate of one complex image with another complex image. \n 00165 * Images must match size. Conj(img1) * img2 \n 00166 * Can be done in-place. 00167 * 00168 * \verbatim im.ProcessMultiplyConj(src_image1: imImage, src_image2: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00169 * \verbatim im.ProcessMultiplyConjNew(src_image1: imImage, src_image2: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00170 * \ingroup arithm */ 00171 void imProcessMultiplyConj(const imImage* src_image1, const imImage* src_image2, imImage* dst_image); 00172 00173 00174 00175 /** \defgroup quantize Additional Image Quantization Operations 00176 * \par 00177 * Additionally operations to the \ref imConvertColorSpace function. 00178 * \par 00179 * See \ref im_process_pon.h 00180 * \ingroup process */ 00181 00182 /** Converts a RGB image to a MAP image using uniform quantization 00183 * with an optional 8x8 ordered dither. The RGB image must have data type IM_BYTE. 00184 * 00185 * \verbatim im.ProcessQuantizeRGBUniform(src_image: imImage, dst_image: imImage, do_dither: boolean) [in Lua 5] \endverbatim 00186 * \verbatim im.ProcessQuantizeRGBUniformNew(src_image: imImage, do_dither: boolean) -> new_image: imImage [in Lua 5] \endverbatim 00187 * \ingroup quantize */ 00188 void imProcessQuantizeRGBUniform(const imImage* src_image, imImage* dst_image, int do_dither); 00189 00190 /** Quantizes a gray scale image in less that 256 grays using uniform quantization. \n 00191 * Both images must be IM_BYTE/IM_GRAY. Can be done in place. 00192 * 00193 * \verbatim im.ProcessQuantizeGrayUniform(src_image: imImage, dst_image: imImage, grays: number) [in Lua 5] \endverbatim 00194 * \verbatim im.ProcessQuantizeGrayUniformNew(src_image: imImage, grays: number) -> new_image: imImage [in Lua 5] \endverbatim 00195 * \ingroup quantize */ 00196 void imProcessQuantizeGrayUniform(const imImage* src_image, imImage* dst_image, int grays); 00197 00198 00199 00200 /** \defgroup histo Histogram Based Operations 00201 * \par 00202 * See \ref im_process_pon.h 00203 * \ingroup process */ 00204 00205 /** Performs an histogram expansion based on a percentage of the number of pixels. \n 00206 * Percentage defines an amount of pixels to include at the lowest level and at the highest level. 00207 * If its is zero only empty counts of the histogram will be considered. \n 00208 * Images must be IM_BYTE/(IM_RGB or IM_GRAY). Can be done in place. \n 00209 * To expand the gammut without using the histogram, by just specifing the lowest and highest levels 00210 * use the \ref IM_GAMUT_EXPAND tone gammut operation (\ref imProcessToneGamut). 00211 * 00212 * \verbatim im.ProcessExpandHistogram(src_image: imImage, dst_image: imImage, percent: number) [in Lua 5] \endverbatim 00213 * \verbatim im.ProcessExpandHistogramNew(src_image: imImage, percent: number) -> new_image: imImage [in Lua 5] \endverbatim 00214 * \ingroup histo */ 00215 void imProcessExpandHistogram(const imImage* src_image, imImage* dst_image, float percent); 00216 00217 /** Performs an histogram equalization. \n 00218 * Images must be IM_BYTE/(IM_RGB or IM_GRAY). Can be done in place. 00219 * 00220 * \verbatim im.ProcessEqualizeHistogram(src_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00221 * \verbatim im.ProcessEqualizeHistogramNew(src_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00222 * \ingroup histo */ 00223 void imProcessEqualizeHistogram(const imImage* src_image, imImage* dst_image); 00224 00225 00226 00227 /** \defgroup colorproc Color Processing Operations 00228 * \par 00229 * Operations to change the color components configuration. 00230 * \par 00231 * See \ref im_process_pon.h 00232 * \ingroup process */ 00233 00234 /** Split a RGB image into luma and chroma. \n 00235 * Chroma is calculated as R-Y,G-Y,B-Y. Source image must be IM_RGB/IM_BYTE. \n 00236 * luma image is IM_GRAY/IM_BYTE and chroma is IM_RGB/IM_BYTE. \n 00237 * Source and destiny must have the same size. 00238 * 00239 * \verbatim im.ProcessSplitYChroma(src_image: imImage, y_image: imImage, chroma_image: imImage) [in Lua 5] \endverbatim 00240 * \verbatim im.ProcessSplitYChromaNew(src_image: imImage) -> y_image: imImage, chroma_image: imImage [in Lua 5] \endverbatim 00241 * \ingroup colorproc */ 00242 void imProcessSplitYChroma(const imImage* src_image, imImage* y_image, imImage* chroma_image); 00243 00244 /** Split a RGB image into HSI planes. \n 00245 * Source image must be IM_RGB/IM_BYTE,IM_FLOAT. Destiny images are all IM_GRAY/IM_FLOAT. \n 00246 * Source images must normalized to 0-1 if type is IM_FLOAT (\ref imProcessToneGamut can be used). See \ref hsi for a definition of the color conversion.\n 00247 * Source and destiny must have the same size. 00248 * 00249 * \verbatim im.ProcessSplitHSI(src_image: imImage, h_image: imImage, s_image: imImage, i_image: imImage) [in Lua 5] \endverbatim 00250 * \verbatim im.ProcessSplitHSINew(src_image: imImage) -> h_image: imImage, s_image: imImage, i_image: imImage [in Lua 5] \endverbatim 00251 * \ingroup colorproc */ 00252 void imProcessSplitHSI(const imImage* src_image, imImage* h_image, imImage* s_image, imImage* i_image); 00253 00254 /** Merge HSI planes into a RGB image. \n 00255 * Source images must be IM_GRAY/IM_FLOAT. Destiny image can be IM_RGB/IM_BYTE,IM_FLOAT. \n 00256 * Source and destiny must have the same size. See \ref hsi for a definition of the color conversion. 00257 * 00258 * \verbatim im.ProcessMergeHSI(h_image: imImage, s_image: imImage, i_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00259 * \verbatim im.ProcessMergeHSINew(h_image: imImage, s_image: imImage, i_image: imImage) -> dst_image: imImage [in Lua 5] \endverbatim 00260 * \ingroup colorproc */ 00261 void imProcessMergeHSI(const imImage* h_image, const imImage* s_image, const imImage* i_image, imImage* dst_image); 00262 00263 /** Split a multicomponent image into separate components.\n 00264 * Destiny images must be IM_GRAY. Size and data types must be all the same.\n 00265 * The number of destiny images must match the depth of the source image. 00266 * 00267 * \verbatim im.ProcessSplitComponents(src_image: imImage, dst_image_list: table of imImage) [in Lua 5] \endverbatim 00268 * \verbatim im.ProcessSplitComponentsNew(src_image: imImage) -> dst_image_list: table of imImage [in Lua 5] \endverbatim 00269 * \ingroup colorproc */ 00270 void imProcessSplitComponents(const imImage* src_image, imImage** dst_image_list); 00271 00272 /** Merges separate components into a multicomponent image.\n 00273 * Source images must be IM_GRAY. Size and data types must be all the same.\n 00274 * The number of source images must match the depth of the destiny image. 00275 * 00276 * \verbatim im.ProcessMergeComponents(src_image_list: table of imImage, dst_image: imImage) [in Lua 5] \endverbatim 00277 * \verbatim im.ProcessMergeComponentsNew(src_image_list: table of imImage) -> dst_image: imImage [in Lua 5] \endverbatim 00278 * \ingroup colorproc */ 00279 void imProcessMergeComponents(const imImage** src_image_list, imImage* dst_image); 00280 00281 /** Normalize the color components by their sum. Example: c1 = c1/(c1+c2+c3). \n 00282 * Destiny image must be IM_FLOAT. 00283 * 00284 * \verbatim im.ProcessNormalizeComponents(src_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00285 * \verbatim im.ProcessNormalizeComponentsNew(src_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00286 * \ingroup colorproc */ 00287 void imProcessNormalizeComponents(const imImage* src_image, imImage* dst_image); 00288 00289 /** Replaces the source color by the destiny color. \n 00290 * The color will be type casted to the image data type. \n 00291 * The colors must have the same number of components of the images. \n 00292 * Supports all color spaces and all data types except IM_CFLOAT. 00293 * 00294 * \verbatim im.ProcessReplaceColor(src_image: imImage, dst_image: imImage, src_color: table of numbers, dst_color: table of numbers) [in Lua 5] \endverbatim 00295 * \verbatim im.ProcessReplaceColorNew(src_image: imImage, src_color: table of numbers, dst_color: table of numbers) -> new_image: imImage [in Lua 5] \endverbatim 00296 * \ingroup colorproc */ 00297 void imProcessReplaceColor(const imImage* src_image, imImage* dst_image, float* src_color, float* dst_color); 00298 00299 00300 00301 /** \defgroup logic Logical Arithmetic Operations 00302 * \par 00303 * Logical binary math operations for images. 00304 * \par 00305 * See \ref im_process_pon.h 00306 * \ingroup process */ 00307 00308 /** Logical Operations. 00309 * \ingroup logic */ 00310 enum imLogicOp { 00311 IM_BIT_AND, /**< and = a & b */ 00312 IM_BIT_OR, /**< or = a | b */ 00313 IM_BIT_XOR /**< xor = ~(a | b) */ 00314 }; 00315 00316 /** Apply a logical operation.\n 00317 * Images must have data type IM_BYTE, IM_USHORT or IM_INT. Can be done in place. 00318 * 00319 * \verbatim im.ProcessBitwiseOp(src_image1: imImage, src_image2: imImage, dst_image: imImage, op: number) [in Lua 5] \endverbatim 00320 * \verbatim im.ProcessBitwiseOpNew(src_image1: imImage, src_image2: imImage, op: number) -> new_image: imImage [in Lua 5] \endverbatim 00321 * \ingroup logic */ 00322 void imProcessBitwiseOp(const imImage* src_image1, const imImage* src_image2, imImage* dst_image, int op); 00323 00324 /** Apply a logical NOT operation.\n 00325 * Images must have data type IM_BYTE, IM_USHORT or IM_INT. Can be done in place. 00326 * 00327 * \verbatim im.ProcessBitwiseNot(src_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00328 * \verbatim im.ProcessBitwiseNotNew(src_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00329 * \ingroup logic */ 00330 void imProcessBitwiseNot(const imImage* src_image, imImage* dst_image); 00331 00332 /** Apply a bit mask. \n 00333 * The same as imProcessBitwiseOp but the second image is replaced by a fixed mask. \n 00334 * Images must have data type IM_BYTE. It is valid only for AND, OR and XOR. Can be done in place. 00335 * 00336 * \verbatim im.ProcessBitMask(src_image: imImage, dst_image: imImage, mask: string, op: number) [in Lua 5] \endverbatim 00337 * \verbatim im.ProcessBitMaskNew(src_image: imImage, mask: string, op: number) -> new_image: imImage [in Lua 5] \endverbatim 00338 * In Lua, mask is a string with 0s and 1s, for example: "11001111". 00339 * \ingroup logic */ 00340 void imProcessBitMask(const imImage* src_image, imImage* dst_image, unsigned char mask, int op); 00341 00342 /** Extract or Reset a bit plane. For ex: 000X0000 or XXX0XXXX (plane=3).\n 00343 * Images must have data type IM_BYTE. Can be done in place. 00344 * 00345 * \verbatim im.ProcessBitPlane(src_image: imImage, dst_image: imImage, plane: number, do_reset: boolean) [in Lua 5] \endverbatim 00346 * \verbatim im.ProcessBitPlaneNew(src_image: imImage, plane: number, do_reset: boolean) -> new_image: imImage [in Lua 5] \endverbatim 00347 * \ingroup logic */ 00348 void imProcessBitPlane(const imImage* src_image, imImage* dst_image, int plane, int do_reset); 00349 00350 00351 00352 /** \defgroup render Synthetic Image Render 00353 * \par 00354 * Renders some 2D mathematical functions as images. All the functions operates in place 00355 * and supports all data types except IM_CFLOAT. 00356 * \par 00357 * See \ref im_process_pon.h 00358 * \ingroup process */ 00359 00360 /** Render Funtion. 00361 * \verbatim render_func(x: number, y: number, d: number, param: table of number) -> value: number [in Lua 5] \endverbatim 00362 * \ingroup render */ 00363 typedef float (*imRenderFunc)(int x, int y, int d, float* param); 00364 00365 /** Render Conditional Funtion. 00366 * \verbatim render_cond_func(x: number, y: number, d: number, param: table of number) -> value: number, cond: boolean [in Lua 5] \endverbatim 00367 * \ingroup render */ 00368 typedef float (*imRenderCondFunc)(int x, int y, int d, int *cond, float* param); 00369 00370 /** Render a synthetic image using a render function. \n 00371 * plus will make the render be added to the current image data, 00372 * or else all data will be replaced. All the render functions use this or the conditional function. \n 00373 * Returns zero if the counter aborted. 00374 * 00375 * \verbatim im.ProcessRenderOp(image: imImage, render_func: function, render_name: string, param: table of number, plus: boolean) -> counter: boolean [in Lua 5] \endverbatim 00376 * \ingroup render */ 00377 int imProcessRenderOp(imImage* image, imRenderFunc render_func, char* render_name, float* param, int plus); 00378 00379 /** Render a synthetic image using a conditional render function. \n 00380 * Data will be rendered only if the condional param is true. \n 00381 * Returns zero if the counter aborted. 00382 * 00383 * \verbatim im.ProcessRenderCondOp(image: imImage, render_cond_func: function, render_name: string, param: table of number) -> counter: boolean [in Lua 5] \endverbatim 00384 * \ingroup render */ 00385 int imProcessRenderCondOp(imImage* image, imRenderCondFunc render_cond_func, char* render_name, float* param); 00386 00387 /** Render speckle noise on existing data. Can be done in place. 00388 * 00389 * \verbatim im.ProcessRenderAddSpeckleNoise(src_image: imImage, dst_image: imImage, percent: number) -> counter: boolean [in Lua 5] \endverbatim 00390 * \verbatim im.ProcessRenderAddSpeckleNoiseNew(src_image: imImage, percent: number) -> counter: boolean, new_image: imImage [in Lua 5] \endverbatim 00391 * \ingroup render */ 00392 int imProcessRenderAddSpeckleNoise(const imImage* src_image, imImage* dst_image, float percent); 00393 00394 /** Render gaussian noise on existing data. Can be done in place. 00395 * 00396 * \verbatim im.ProcessRenderAddGaussianNoise(src_image: imImage, dst_image: imImage, mean: number, stddev: number) -> counter: boolean [in Lua 5] \endverbatim 00397 * \verbatim im.ProcessRenderAddGaussianNoiseNew(src_image: imImage, mean: number, stddev: number) -> counter: boolean, new_image: imImage [in Lua 5] \endverbatim 00398 * \ingroup render */ 00399 int imProcessRenderAddGaussianNoise(const imImage* src_image, imImage* dst_image, float mean, float stddev); 00400 00401 /** Render uniform noise on existing data. Can be done in place. 00402 * 00403 * \verbatim im.ProcessRenderAddUniformNoise(src_image: imImage, dst_image: imImage, mean: number, stddev: number) -> counter: boolean [in Lua 5] \endverbatim 00404 * \verbatim im.ProcessRenderAddUniformNoiseNew(src_image: imImage, mean: number, stddev: number) -> counter: boolean, new_image: imImage [in Lua 5] \endverbatim 00405 * \ingroup render */ 00406 int imProcessRenderAddUniformNoise(const imImage* src_image, imImage* dst_image, float mean, float stddev); 00407 00408 /** Render random noise. 00409 * 00410 * \verbatim im.ProcessRenderRandomNoise(image: imImage) -> counter: boolean [in Lua 5] \endverbatim 00411 * \ingroup render */ 00412 int imProcessRenderRandomNoise(imImage* image); 00413 00414 /** Render a constant. The number of values must match the depth of the image. 00415 * 00416 * \verbatim im.ProcessRenderConstant(image: imImage, value: table of number) -> counter: boolean [in Lua 5] \endverbatim 00417 * \ingroup render */ 00418 int imProcessRenderConstant(imImage* image, float* value); 00419 00420 /** Render a centered wheel. 00421 * 00422 * \verbatim im.ProcessRenderWheel(image: imImage, internal_radius: number, external_radius: number) -> counter: boolean [in Lua 5] \endverbatim 00423 * \ingroup render */ 00424 int imProcessRenderWheel(imImage* image, int internal_radius, int external_radius); 00425 00426 /** Render a centered cone. 00427 * 00428 * \verbatim im.ProcessRenderCone(image: imImage, radius: number) -> counter: boolean [in Lua 5] \endverbatim 00429 * \ingroup render */ 00430 int imProcessRenderCone(imImage* image, int radius); 00431 00432 /** Render a centered tent. 00433 * 00434 * \verbatim im.ProcessRenderTent(image: imImage, tent_width: number, tent_height: number) -> counter: boolean [in Lua 5] \endverbatim 00435 * \ingroup render */ 00436 int imProcessRenderTent(imImage* image, int tent_width, int tent_height); 00437 00438 /** Render a ramp. Direction can be vertical (1) or horizontal (0). 00439 * 00440 * \verbatim im.ProcessRenderRamp(image: imImage, start: number, end: number, vert_dir: boolean) -> counter: boolean [in Lua 5] \endverbatim 00441 * \ingroup render */ 00442 int imProcessRenderRamp(imImage* image, int start, int end, int vert_dir); 00443 00444 /** Render a centered box. 00445 * 00446 * \verbatim im.ProcessRenderBox(image: imImage, box_width: number, box_height: number) -> counter: boolean [in Lua 5] \endverbatim 00447 * \ingroup render */ 00448 int imProcessRenderBox(imImage* image, int box_width, int box_height); 00449 00450 /** Render a centered sinc. 00451 * 00452 * \verbatim im.ProcessRenderSinc(image: imImage, x_period: number, y_period: number) -> counter: boolean [in Lua 5] \endverbatim 00453 * \ingroup render */ 00454 int imProcessRenderSinc(imImage* image, float x_period, float y_period); 00455 00456 /** Render a centered gaussian. 00457 * 00458 * \verbatim im.ProcessRenderGaussian(image: imImage, stddev: number) -> counter: boolean [in Lua 5] \endverbatim 00459 * \ingroup render */ 00460 int imProcessRenderGaussian(imImage* image, float stddev); 00461 00462 /** Render the laplacian of a centered gaussian. 00463 * 00464 * \verbatim im.ProcessRenderLapOfGaussian(image: imImage, stddev: number) -> counter: boolean [in Lua 5] \endverbatim 00465 * \ingroup render */ 00466 int imProcessRenderLapOfGaussian(imImage* image, float stddev); 00467 00468 /** Render a centered cosine. 00469 * 00470 * \verbatim im.ProcessRenderCosine(image: imImage, x_period: number, y_period: number) -> counter: boolean [in Lua 5] \endverbatim 00471 * \ingroup render */ 00472 int imProcessRenderCosine(imImage* image, float x_period, float y_period); 00473 00474 /** Render a centered grid. 00475 * 00476 * \verbatim im.ProcessRenderGrid(image: imImage, x_space: number, y_space: number) -> counter: boolean [in Lua 5] \endverbatim 00477 * \ingroup render */ 00478 int imProcessRenderGrid(imImage* image, int x_space, int y_space); 00479 00480 /** Render a centered chessboard. 00481 * 00482 * \verbatim im.ProcessRenderChessboard(image: imImage, x_space: number, y_space: number) -> counter: boolean [in Lua 5] \endverbatim 00483 * \ingroup render */ 00484 int imProcessRenderChessboard(imImage* image, int x_space, int y_space); 00485 00486 00487 00488 /** \defgroup tonegamut Tone Gamut Operations 00489 * \par 00490 * Operations that try to preserve the min-max interval in the output (the dynamic range). 00491 * \par 00492 * See \ref im_process_pon.h 00493 * \ingroup process */ 00494 00495 00496 /** Tone Gamut Operations. 00497 * \ingroup tonegamut */ 00498 enum imToneGamut { 00499 IM_GAMUT_NORMALIZE, /**< normalize = (a-min) / (max-min) (destiny image must be IM_FLOAT) */ 00500 IM_GAMUT_POW, /**< pow = ((a-min) / (max-min))^gamma * (max-min) + min \n 00501 param[0]=gamma */ 00502 IM_GAMUT_LOG, /**< log = log(K * (a-min) / (max-min) + 1))*(max-min)/log(K+1) + min \n 00503 param[0]=K (K>0) */ 00504 IM_GAMUT_EXP, /**< exp = (exp(K * (a-min) / (max-min)) - 1))*(max-min)/(exp(K)-1) + min \n 00505 param[0]=K */ 00506 IM_GAMUT_INVERT, /**< invert = max - (a-min) */ 00507 IM_GAMUT_ZEROSTART, /**< zerostart = a - min */ 00508 IM_GAMUT_SOLARIZE, /**< solarize = a < level ? a: (level * (max-min) - a * (level-min)) / (max-level) \n 00509 param[0]=level percentage (0-100) relative to min-max \n 00510 photography solarization effect. */ 00511 IM_GAMUT_SLICE, /**< slice = start < a || a > end ? min: binarize? max: a \n 00512 param[0]=start, param[1]=end, param[2]=binarize */ 00513 IM_GAMUT_EXPAND, /**< expand = a < start ? min: a > end ? max : (a-start)*(max-min)/(end-start) + min \n 00514 param[0]=start, param[1]=end */ 00515 IM_GAMUT_CROP, /**< crop = a < start ? start: a > end ? end : a \n 00516 param[0]=start, param[1]=end */ 00517 IM_GAMUT_BRIGHTCONT /**< brightcont = a < min ? min: a > max ? max: a * tan(c_a) + b_s + (max-min)*(1 - tan(c_a))/2 \n 00518 param[0]=bright_shift (-100%..+100%), param[1]=contrast_factor (-100%..+100%) \n 00519 change brightness and contrast simultaneously. */ 00520 }; 00521 00522 /** Apply a gamut operation with arguments. \n 00523 * Supports all data types except IM_CFLOAT. \n 00524 * The linear operation do a special convertion when min > 0 and max < 1, it forces min=0 and max=1. \n 00525 * IM_BYTE images have min=0 and max=255 always. \n 00526 * Can be done in place. When there is no extra params use NULL. 00527 * 00528 * \verbatim im.ProcessToneGamut(src_image: imImage, dst_image: imImage, op: number, param: table of number) [in Lua 5] \endverbatim 00529 * \verbatim im.ProcessToneGamutNew(src_image: imImage, op: number, param: table of number) -> new_image: imImage [in Lua 5] \endverbatim 00530 * \ingroup tonegamut */ 00531 void imProcessToneGamut(const imImage* src_image, imImage* dst_image, int op, float* param); 00532 00533 /** Converts from (0-1) to (0-255), crop out of bounds values. \n 00534 * Source image must be IM_FLOAT, and destiny image must be IM_BYTE. 00535 * 00536 * \verbatim im.ProcessUnNormalize(src_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00537 * \verbatim im.ProcessUnNormalizeNew(src_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00538 * \ingroup tonegamut */ 00539 void imProcessUnNormalize(const imImage* src_image, imImage* dst_image); 00540 00541 /** Directly converts IM_USHORT, IM_INT and IM_FLOAT into IM_BYTE images. \n 00542 * This can also be done using \ref imConvertDataType with IM_CAST_DIRECT. 00543 * 00544 * \verbatim im.ProcessDirectConv(src_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00545 * \verbatim im.ProcessDirectConvNew(src_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00546 * \ingroup tonegamut */ 00547 void imProcessDirectConv(const imImage* src_image, imImage* dst_image); 00548 00549 /** A negative effect. Uses \ref imProcessToneGamut with IM_GAMUT_INVERT for non MAP images. \n 00550 * Supports all color spaces and all data types except IM_CFLOAT. \n 00551 * Can be done in place. 00552 * 00553 * \verbatim im.ProcessNegative(src_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00554 * \verbatim im.ProcessNegativeNew(src_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00555 * \ingroup tonegamut */ 00556 void imProcessNegative(const imImage* src_image, imImage* dst_image); 00557 00558 00559 00560 /** \defgroup threshold Threshold Operations 00561 * \par 00562 * Operations that converts a usually IM_GRAY/IM_BYTE image into a IM_BINARY image using several threshold techniques. 00563 * \par 00564 * See \ref im_process_pon.h 00565 * \ingroup process */ 00566 00567 /** Apply a manual threshold. \n 00568 * threshold = a <= level ? 0: value \n 00569 * Normal value is 1 but another common value is 255. Can be done in place for IM_BYTE source. \n 00570 * Supports all integer IM_GRAY images as source, and IM_BINARY as destiny. 00571 * 00572 * \verbatim im.ProcessThreshold(src_image: imImage, dst_image: imImage, level: number, value: number) [in Lua 5] \endverbatim 00573 * \verbatim im.ProcessThresholdNew(src_image: imImage, level: number, value: number) -> new_image: imImage [in Lua 5] \endverbatim 00574 * \ingroup threshold */ 00575 void imProcessThreshold(const imImage* src_image, imImage* dst_image, int level, int value); 00576 00577 /** Apply a threshold by the difference of two images. \n 00578 * threshold = a1 <= a2 ? 0: 1 \n 00579 * Can be done in place. 00580 * 00581 * \verbatim im.ProcessThresholdByDiff(src_image1: imImage, src_image2: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00582 * \verbatim im.ProcessThresholdByDiffNew(src_image1: imImage, src_image2: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00583 * \ingroup threshold */ 00584 void imProcessThresholdByDiff(const imImage* src_image1, const imImage* src_image2, imImage* dst_image); 00585 00586 /** Apply a threshold by the Hysteresis method. \n 00587 * Hysteresis thersholding of edge pixels. Starting at pixels with a 00588 * value greater than the HIGH threshold, trace a connected sequence 00589 * of pixels that have a value greater than the LOW threhsold. \n 00590 * Note: could not find the original source code author name. 00591 * 00592 * \verbatim im.ProcessHysteresisThreshold(src_image: imImage, dst_image: imImage, low_thres: number, high_thres: number) [in Lua 5] \endverbatim 00593 * \verbatim im.ProcessHysteresisThresholdNew(src_image: imImage, low_thres: number, high_thres: number) -> new_image: imImage [in Lua 5] \endverbatim 00594 * \ingroup threshold */ 00595 void imProcessHysteresisThreshold(const imImage* src_image, imImage* dst_image, int low_thres, int high_thres); 00596 00597 /** Estimates hysteresis low and high threshold levels. \n 00598 * Usefull for \ref imProcessHysteresisThreshold. 00599 * 00600 * \verbatim im.ProcessHysteresisThresEstimate(image: imImage) -> low_level: number, high_level: number [in Lua 5] \endverbatim 00601 * \ingroup threshold */ 00602 void imProcessHysteresisThresEstimate(const imImage* image, int *low_level, int *high_level); 00603 00604 /** Calculates the threshold level for manual threshold using an uniform error approach. \n 00605 * Extracted from XITE, Copyright 1991, Blab, UiO \n 00606 * http://www.ifi.uio.no/~blab/Software/Xite/ 00607 \verbatim 00608 Reference: 00609 S. M. Dunn & D. Harwood & L. S. Davis: 00610 "Local Estimation of the Uniform Error Threshold" 00611 IEEE Trans. on PAMI, Vol PAMI-6, No 6, Nov 1984. 00612 Comments: It only works well on images whith large objects. 00613 Author: Olav Borgli, BLAB, ifi, UiO 00614 Image processing lab, Department of Informatics, University of Oslo 00615 \endverbatim 00616 * Returns the used level. 00617 * 00618 * \verbatim im.ProcessUniformErrThreshold(src_image: imImage, dst_image: imImage) -> level: number [in Lua 5] \endverbatim 00619 * \verbatim im.ProcessUniformErrThresholdNew(src_image: imImage) -> level: number, new_image: imImage [in Lua 5] \endverbatim 00620 * \ingroup threshold */ 00621 int imProcessUniformErrThreshold(const imImage* src_image, imImage* dst_image); 00622 00623 /** Apply a dithering on each image channel by using a difusion error method. \n 00624 * It can be applied on any IM_BYTE images. It will "threshold" each channel indivudually, so 00625 * source and destiny must be of the same depth. 00626 * 00627 * \verbatim im.ProcessDifusionErrThreshold(src_image: imImage, dst_image: imImage, level: number) [in Lua 5] \endverbatim 00628 * \verbatim im.ProcessDifusionErrThresholdNew(src_image: imImage, level: number) -> new_image: imImage [in Lua 5] \endverbatim 00629 * \ingroup threshold */ 00630 void imProcessDifusionErrThreshold(const imImage* src_image, imImage* dst_image, int level); 00631 00632 /** Calculates the threshold level for manual threshold using a percentage of pixels 00633 * that should stay bellow the threshold. \n 00634 * Returns the used level. 00635 * 00636 * \verbatim im.ProcessPercentThreshold(src_image: imImage, dst_image: imImage, percent: number) -> level: number [in Lua 5] \endverbatim 00637 * \verbatim im.ProcessPercentThresholdNew(src_image: imImage, percent: number) -> level: number, new_image: imImage [in Lua 5] \endverbatim 00638 * \ingroup threshold */ 00639 int imProcessPercentThreshold(const imImage* src_image, imImage* dst_image, float percent); 00640 00641 /** Calculates the threshold level for manual threshold using the Otsu approach. \n 00642 * Returns the used level. \n 00643 * Original implementation by Flavio Szenberg. 00644 * 00645 * \verbatim im.ProcessOtsuThreshold(src_image: imImage, dst_image: imImage) -> level: number [in Lua 5] \endverbatim 00646 * \verbatim im.ProcessOtsuThresholdNew(src_image: imImage) -> level: number, new_image: imImage [in Lua 5] \endverbatim 00647 * \ingroup threshold */ 00648 int imProcessOtsuThreshold(const imImage* src_image, imImage* dst_image); 00649 00650 /** Calculates the threshold level for manual threshold using (max-min)/2. \n 00651 * Returns the used level. \n 00652 * Supports all integer IM_GRAY images as source, and IM_BINARY as destiny. 00653 * 00654 * \verbatim im.ProcessMinMaxThreshold(src_image: imImage, dst_image: imImage) -> level: number [in Lua 5] \endverbatim 00655 * \verbatim im.ProcessMinMaxThresholdNew(src_image: imImage) -> level: number, new_image: imImage [in Lua 5] \endverbatim 00656 * \ingroup threshold */ 00657 int imProcessMinMaxThreshold(const imImage* src_image, imImage* dst_image); 00658 00659 /** Estimates Local Max threshold level for IM_BYTE images. 00660 * 00661 * \verbatim im.ProcessLocalMaxThresEstimate(image: imImage) -> level: number [in Lua 5] \endverbatim 00662 * \ingroup threshold */ 00663 void imProcessLocalMaxThresEstimate(const imImage* image, int *level); 00664 00665 /** Apply a manual threshold using an interval. \n 00666 * threshold = start_level <= a <= end_level ? 1: 0 \n 00667 * Normal value is 1 but another common value is 255. Can be done in place for IM_BYTE source. \n 00668 * Supports all integer IM_GRAY images as source, and IM_BINARY as destiny. 00669 * 00670 * \verbatim im.ProcessSliceThreshold(src_image: imImage, dst_image: imImage, start_level: number, end_level: number) [in Lua 5] \endverbatim 00671 * \verbatim im.ProcessSliceThresholdNew(src_image: imImage, start_level: number, end_level: number) -> new_image: imImage [in Lua 5] \endverbatim 00672 * \ingroup threshold */ 00673 void imProcessSliceThreshold(const imImage* src_image, imImage* dst_image, int start_level, int end_level); 00674 00675 00676 /** \defgroup effects Special Effects 00677 * \par 00678 * Operations to change image appearance. 00679 * \par 00680 * See \ref im_process_pon.h 00681 * \ingroup process */ 00682 00683 00684 /** Generates a zoom in effect averaging colors inside a square region. \n 00685 * Operates only on IM_BYTE images. 00686 * 00687 * \verbatim im.ProcessPixelate(src_image: imImage, dst_image: imImage, box_size: number) [in Lua 5] \endverbatim 00688 * \verbatim im.ProcessPixelateNew(src_image: imImage, box_size: number) -> new_image: imImage [in Lua 5] \endverbatim 00689 * \ingroup effects */ 00690 void imProcessPixelate(const imImage* src_image, imImage* dst_image, int box_size); 00691 00692 /** A simple Posterize effect. It reduces the number of colors in the image eliminating 00693 * less significant bit planes. Can have 1 to 7 levels. See \ref imProcessBitMask. \n 00694 * Image data type must be integer. 00695 * 00696 * \verbatim im.ProcessPosterize(src_image: imImage, dst_image: imImage, level: number) [in Lua 5] \endverbatim 00697 * \verbatim im.ProcessPosterizeNew(src_image: imImage, level: number) -> new_image: imImage [in Lua 5] \endverbatim 00698 * \ingroup effects */ 00699 void imProcessPosterize(const imImage* src_image, imImage* dst_image, int level); 00700 00701 00702 00703 #if defined(__cplusplus) 00704 } 00705 #endif 00706 00707 #endif