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 1.6 2005/12/12 20:29:00 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. 00100 * 00101 * \verbatim im.ProcessBlend(src_image1: imImage, src_image2: imImage, dst_image: imImage, alpha: number) [in Lua 5] \endverbatim 00102 * \verbatim im.ProcessBlendNew(image1: imImage, image2: imImage, alpha: number) -> new_image: imImage [in Lua 5] \endverbatim 00103 * \ingroup arithm */ 00104 void imProcessBlend(const imImage* src_image1, imImage* src_image2, imImage* dst_image, float alpha); 00105 00106 /** Split a complex image into two images with real and imaginary parts \n 00107 * or magnitude and phase parts (polar). \n 00108 * Source image must be IM_CFLOAT, destiny images must be IM_FLOAT. 00109 * 00110 * \verbatim im.ProcessSplitComplex(src_image: imImage, dst_image1: imImage, dst_image2: imImage, do_polar: boolean) [in Lua 5] \endverbatim 00111 * \verbatim im.ProcessSplitComplexNew(image: imImage, do_polar: boolean) -> dst_image1: imImage, dst_image2: imImage [in Lua 5] \endverbatim 00112 * \ingroup arithm */ 00113 void imProcessSplitComplex(const imImage* src_image, imImage* dst_image1, imImage* dst_image2, int do_polar); 00114 00115 /** Merges two images as the real and imaginary parts of a complex image, \n 00116 * or as magnitude and phase parts (polar = 1). \n 00117 * Source images must be IM_FLOAT, destiny image must be IM_CFLOAT. 00118 * 00119 * \verbatim im.ProcessMergeComplex(src_image1: imImage, src_image2: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00120 * \verbatim im.ProcessMergeComplexNew(image1: imImage, image2: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00121 * \ingroup arithm */ 00122 void imProcessMergeComplex(const imImage* src_image1, const imImage* src_image2, imImage* dst_image, int polar); 00123 00124 /** Calculates the mean of multiple images. \n 00125 * Images must match size and type. 00126 * 00127 * \verbatim im.ProcessMultipleMean(src_image_list: table of imImage, dst_image: imImage) [in Lua 5] \endverbatim 00128 * \verbatim im.ProcessMultipleMeanNew(src_image_list: table of imImage) -> new_image: imImage [in Lua 5] \endverbatim 00129 * \ingroup arithm */ 00130 void imProcessMultipleMean(const imImage** src_image_list, int src_image_count, imImage* dst_image); 00131 00132 /** Calculates the standard deviation of multiple images. \n 00133 * Images must match size and type. Use \ref imProcessMultipleMean to calculate the mean_image. 00134 * 00135 * \verbatim im.ProcessMultipleStdDev(src_image_list: table of imImage, mean_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00136 * \verbatim im.ProcessMultipleStdDevNew(src_image_list: table of imImage, mean_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00137 * \ingroup arithm */ 00138 void imProcessMultipleStdDev(const imImage** src_image_list, int src_image_count, const imImage *mean_image, imImage* dst_image); 00139 00140 /** Calculates the auto-covariance of an image with the mean of a set of images. \n 00141 * Images must match size and type. Returns zero if the counter aborted. 00142 * 00143 * \verbatim im.ProcessAutoCovariance(src_image: imImage, mean_image: imImage, dst_image: imImage) -> counter: boolean [in Lua 5] \endverbatim 00144 * \verbatim im.ProcessAutoCovarianceNew(src_image: imImage, mean_image: imImage) -> counter: boolean, new_image: imImage [in Lua 5] \endverbatim 00145 * \ingroup arithm */ 00146 int imProcessAutoCovariance(const imImage* src_image, const imImage* mean_image, imImage* dst_image); 00147 00148 /** Multiplies the conjugate of one complex image with another complex image. \n 00149 * Images must match size. Conj(img1) * img2 \n 00150 * Can be done in-place. 00151 * 00152 * \verbatim im.ProcessMultiplyConj(src_image1: imImage, src_image2: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00153 * \verbatim im.ProcessMultiplyConjNew(src_image1: imImage, src_image2: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00154 * \ingroup arithm */ 00155 void imProcessMultiplyConj(const imImage* src_image1, const imImage* src_image2, imImage* dst_image); 00156 00157 00158 00159 /** \defgroup quantize Additional Image Quantization Operations 00160 * \par 00161 * Additionally operations to the \ref imConvertColorSpace function. 00162 * \par 00163 * See \ref im_process_pon.h 00164 * \ingroup process */ 00165 00166 /** Converts a RGB image to a MAP image using uniform quantization 00167 * with an optional 8x8 ordered dither. The RGB image must have data type IM_BYTE. 00168 * 00169 * \verbatim im.ProcessQuantizeRGBUniform(src_image: imImage, dst_image: imImage, do_dither: boolean) [in Lua 5] \endverbatim 00170 * \verbatim im.ProcessQuantizeRGBUniformNew(src_image: imImage, do_dither: boolean) -> new_image: imImage [in Lua 5] \endverbatim 00171 * \ingroup quantize */ 00172 void imProcessQuantizeRGBUniform(const imImage* src_image, imImage* dst_image, int do_dither); 00173 00174 /** Quantizes a gray scale image in less that 256 grays using uniform quantization. \n 00175 * Both images must be IM_BYTE/IM_GRAY. Can be done in place. 00176 * 00177 * \verbatim im.ProcessQuantizeGrayUniform(src_image: imImage, dst_image: imImage, grays: number) [in Lua 5] \endverbatim 00178 * \verbatim im.ProcessQuantizeGrayUniformNew(src_image: imImage, grays: number) -> new_image: imImage [in Lua 5] \endverbatim 00179 * \ingroup quantize */ 00180 void imProcessQuantizeGrayUniform(const imImage* src_image, imImage* dst_image, int grays); 00181 00182 00183 00184 /** \defgroup histo Histogram Based Operations 00185 * \par 00186 * See \ref im_process_pon.h 00187 * \ingroup process */ 00188 00189 /** Performs an histogram expansion. \n 00190 * Percentage defines an amount of pixels to include at start and end. 00191 * If its is zero only empty counts of the histogram will be considered. \n 00192 * Images must be IM_BYTE/(IM_RGB or IM_GRAY). Can be done in place. 00193 * 00194 * \verbatim im.ProcessExpandHistogram(src_image: imImage, dst_image: imImage, percent: number) [in Lua 5] \endverbatim 00195 * \verbatim im.ProcessExpandHistogramNew(src_image: imImage, percent: number) -> new_image: imImage [in Lua 5] \endverbatim 00196 * \ingroup histo */ 00197 void imProcessExpandHistogram(const imImage* src_image, imImage* dst_image, float percent); 00198 00199 /** Performs an histogram equalization. \n 00200 * Images must be IM_BYTE/(IM_RGB or IM_GRAY). Can be done in place. 00201 * 00202 * \verbatim im.ProcessEqualizeHistogram(src_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00203 * \verbatim im.ProcessEqualizeHistogramNew(src_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00204 * \ingroup histo */ 00205 void imProcessEqualizeHistogram(const imImage* src_image, imImage* dst_image); 00206 00207 00208 00209 /** \defgroup colorproc Color Processing Operations 00210 * \par 00211 * Operations to change the color components configuration. 00212 * \par 00213 * See \ref im_process_pon.h 00214 * \ingroup process */ 00215 00216 /** Split a RGB image into luma and chroma. \n 00217 * Chroma is calculated as R-Y,G-Y,B-Y. Source image must be IM_RGB/IM_BYTE. \n 00218 * luma image is IM_GRAY/IM_BYTE and chroma is IM_RGB/IM_BYTE. \n 00219 * Source and destiny must have the same size. 00220 * 00221 * \verbatim im.ProcessSplitYChroma(src_image: imImage, y_image: imImage, chroma_image: imImage) [in Lua 5] \endverbatim 00222 * \verbatim im.ProcessSplitYChromaNew(src_image: imImage) -> y_image: imImage, chroma_image: imImage [in Lua 5] \endverbatim 00223 * \ingroup colorproc */ 00224 void imProcessSplitYChroma(const imImage* src_image, imImage* y_image, imImage* chroma_image); 00225 00226 /** Split a RGB image into HSI planes. \n 00227 * Source image must be IM_RGB/IM_BYTE,IM_FLOAT. Destiny images are all IM_GRAY/IM_FLOAT. \n 00228 * 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 00229 * Source and destiny must have the same size. 00230 * 00231 * \verbatim im.ProcessSplitHSI(src_image: imImage, h_image: imImage, s_image: imImage, i_image: imImage) [in Lua 5] \endverbatim 00232 * \verbatim im.ProcessSplitHSINew(src_image: imImage) -> h_image: imImage, s_image: imImage, i_image: imImage [in Lua 5] \endverbatim 00233 * \ingroup colorproc */ 00234 void imProcessSplitHSI(const imImage* src_image, imImage* h_image, imImage* s_image, imImage* i_image); 00235 00236 /** Merge HSI planes into a RGB image. \n 00237 * Source images must be IM_GRAY/IM_FLOAT. Destiny image can be IM_RGB/IM_BYTE,IM_FLOAT. \n 00238 * Source and destiny must have the same size. See \ref hsi for a definition of the color conversion. 00239 * 00240 * \verbatim im.ProcessMergeHSI(h_image: imImage, s_image: imImage, i_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00241 * \verbatim im.ProcessMergeHSINew(h_image: imImage, s_image: imImage, i_image: imImage) -> dst_image: imImage [in Lua 5] \endverbatim 00242 * \ingroup colorproc */ 00243 void imProcessMergeHSI(const imImage* h_image, const imImage* s_image, const imImage* i_image, imImage* dst_image); 00244 00245 /** Split a multicomponent image into separate components.\n 00246 * Destiny images must be IM_GRAY. Size and data types must be all the same.\n 00247 * The number of destiny images must match the depth of the source image. 00248 * 00249 * \verbatim im.ProcessSplitComponents(src_image: imImage, dst_image_list: table of imImage) [in Lua 5] \endverbatim 00250 * \verbatim im.ProcessSplitComponentsNew(src_image: imImage) -> dst_image_list: table of imImage [in Lua 5] \endverbatim 00251 * \ingroup colorproc */ 00252 void imProcessSplitComponents(const imImage* src_image, imImage** dst_image_list); 00253 00254 /** Merges separate components into a multicomponent image.\n 00255 * Source images must be IM_GRAY. Size and data types must be all the same.\n 00256 * The number of source images must match the depth of the destiny image. 00257 * 00258 * \verbatim im.ProcessMergeComponents(src_image_list: table of imImage, dst_image: imImage) [in Lua 5] \endverbatim 00259 * \verbatim im.ProcessMergeComponentsNew(src_image_list: table of imImage) -> dst_image: imImage [in Lua 5] \endverbatim 00260 * \ingroup colorproc */ 00261 void imProcessMergeComponents(const imImage** src_image_list, imImage* dst_image); 00262 00263 /** Normalize the color components by their sum. Example: c1 = c1/(c1+c2+c3). \n 00264 * Destiny image must be IM_FLOAT. 00265 * 00266 * \verbatim im.ProcessNormalizeComponents(src_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00267 * \verbatim im.ProcessNormalizeComponentsNew(src_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00268 * \ingroup colorproc */ 00269 void imProcessNormalizeComponents(const imImage* src_image, imImage* dst_image); 00270 00271 /** Replaces the source color by the destiny color. \n 00272 * The color will be type casted to the image data type. \n 00273 * The colors must have the same number of components of the images. \n 00274 * Supports all color spaces and all data types except IM_CFLOAT. 00275 * 00276 * \verbatim im.ProcessReplaceColor(src_image: imImage, dst_image: imImage, src_color: table of numbers, dst_color: table of numbers) [in Lua 5] \endverbatim 00277 * \verbatim im.ProcessReplaceColorNew(src_image: imImage, src_color: table of numbers, dst_color: table of numbers) -> new_image: imImage [in Lua 5] \endverbatim 00278 * \ingroup colorproc */ 00279 void imProcessReplaceColor(const imImage* src_image, imImage* dst_image, float* src_color, float* dst_color); 00280 00281 00282 00283 /** \defgroup logic Logical Arithmetic Operations 00284 * \par 00285 * Logical binary math operations for images. 00286 * \par 00287 * See \ref im_process_pon.h 00288 * \ingroup process */ 00289 00290 /** Logical Operations. 00291 * \ingroup logic */ 00292 enum imLogicOp { 00293 IM_BIT_AND, /**< and = a & b */ 00294 IM_BIT_OR, /**< or = a | b */ 00295 IM_BIT_XOR /**< xor = ~(a | b) */ 00296 }; 00297 00298 /** Apply a logical operation.\n 00299 * Images must have data type IM_BYTE, IM_USHORT or IM_INT. Can be done in place. 00300 * 00301 * \verbatim im.ProcessBitwiseOp(src_image1: imImage, src_image2: imImage, dst_image: imImage, op: number) [in Lua 5] \endverbatim 00302 * \verbatim im.ProcessBitwiseOpNew(src_image1: imImage, src_image2: imImage, op: number) -> new_image: imImage [in Lua 5] \endverbatim 00303 * \ingroup logic */ 00304 void imProcessBitwiseOp(const imImage* src_image1, const imImage* src_image2, imImage* dst_image, int op); 00305 00306 /** Apply a logical NOT operation.\n 00307 * Images must have data type IM_BYTE, IM_USHORT or IM_INT. Can be done in place. 00308 * 00309 * \verbatim im.ProcessBitwiseNot(src_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00310 * \verbatim im.ProcessBitwiseNotNew(src_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00311 * \ingroup logic */ 00312 void imProcessBitwiseNot(const imImage* src_image, imImage* dst_image); 00313 00314 /** Apply a bit mask. \n 00315 * The same as imProcessBitwiseOp but the second image is replaced by a fixed mask. \n 00316 * Images must have data type IM_BYTE. It is valid only for AND, OR and XOR. Can be done in place. 00317 * 00318 * \verbatim im.ProcessBitMask(src_image: imImage, dst_image: imImage, mask: string, op: number) [in Lua 5] \endverbatim 00319 * \verbatim im.ProcessBitMaskNew(src_image: imImage, mask: string, op: number) -> new_image: imImage [in Lua 5] \endverbatim 00320 * In Lua, mask is a string with 0s and 1s, for example: "11001111". 00321 * \ingroup logic */ 00322 void imProcessBitMask(const imImage* src_image, imImage* dst_image, unsigned char mask, int op); 00323 00324 /** Extract or Reset a bit plane. For ex: 000X0000 or XXX0XXXX (plane=3).\n 00325 * Images must have data type IM_BYTE. Can be done in place. 00326 * 00327 * \verbatim im.ProcessBitPlane(src_image: imImage, dst_image: imImage, plane: number, do_reset: boolean) [in Lua 5] \endverbatim 00328 * \verbatim im.ProcessBitPlaneNew(src_image: imImage, plane: number, do_reset: boolean) -> new_image: imImage [in Lua 5] \endverbatim 00329 * \ingroup logic */ 00330 void imProcessBitPlane(const imImage* src_image, imImage* dst_image, int plane, int do_reset); 00331 00332 00333 00334 /** \defgroup render Synthetic Image Render 00335 * \par 00336 * Renders some 2D mathematical functions as images. All the functions operates in place 00337 * and supports all data types except IM_CFLOAT. 00338 * \par 00339 * See \ref im_process_pon.h 00340 * \ingroup process */ 00341 00342 /** Render Funtion. 00343 * \verbatim render_func(x: number, y: number, d: number, param: table of number) -> value: number [in Lua 5] \endverbatim 00344 * \ingroup render */ 00345 typedef float (*imRenderFunc)(int x, int y, int d, float* param); 00346 00347 /** Render Conditional Funtion. 00348 * \verbatim render_cond_func(x: number, y: number, d: number, param: table of number) -> value: number, cond: boolean [in Lua 5] \endverbatim 00349 * \ingroup render */ 00350 typedef float (*imRenderCondFunc)(int x, int y, int d, int *cond, float* param); 00351 00352 /** Render a synthetic image using a render function. \n 00353 * plus will make the render be added to the current image data, 00354 * or else all data will be replaced. All the render functions use this or the conditional function. \n 00355 * Returns zero if the counter aborted. 00356 * 00357 * \verbatim im.ProcessRenderOp(image: imImage, render_func: function, render_name: string, param: table of number, plus: boolean) -> counter: boolean [in Lua 5] \endverbatim 00358 * \ingroup render */ 00359 int imProcessRenderOp(imImage* image, imRenderFunc render_func, char* render_name, float* param, int plus); 00360 00361 /** Render a synthetic image using a conditional render function. \n 00362 * Data will be rendered only if the condional param is true. \n 00363 * Returns zero if the counter aborted. 00364 * 00365 * \verbatim im.ProcessRenderCondOp(image: imImage, render_cond_func: function, render_name: string, param: table of number) -> counter: boolean [in Lua 5] \endverbatim 00366 * \ingroup render */ 00367 int imProcessRenderCondOp(imImage* image, imRenderCondFunc render_cond_func, char* render_name, float* param); 00368 00369 /** Render speckle noise on existing data. Can be done in place. 00370 * 00371 * \verbatim im.ProcessRenderAddSpeckleNoise(src_image: imImage, dst_image: imImage, percent: number) -> counter: boolean [in Lua 5] \endverbatim 00372 * \verbatim im.ProcessRenderAddSpeckleNoiseNew(src_image: imImage, percent: number) -> counter: boolean, new_image: imImage [in Lua 5] \endverbatim 00373 * \ingroup render */ 00374 int imProcessRenderAddSpeckleNoise(const imImage* src_image, imImage* dst_image, float percent); 00375 00376 /** Render gaussian noise on existing data. Can be done in place. 00377 * 00378 * \verbatim im.ProcessRenderAddGaussianNoise(src_image: imImage, dst_image: imImage, mean: number, stddev: number) -> counter: boolean [in Lua 5] \endverbatim 00379 * \verbatim im.ProcessRenderAddGaussianNoiseNew(src_image: imImage, mean: number, stddev: number) -> counter: boolean, new_image: imImage [in Lua 5] \endverbatim 00380 * \ingroup render */ 00381 int imProcessRenderAddGaussianNoise(const imImage* src_image, imImage* dst_image, float mean, float stddev); 00382 00383 /** Render uniform noise on existing data. Can be done in place. 00384 * 00385 * \verbatim im.ProcessRenderAddUniformNoise(src_image: imImage, dst_image: imImage, mean: number, stddev: number) -> counter: boolean [in Lua 5] \endverbatim 00386 * \verbatim im.ProcessRenderAddUniformNoiseNew(src_image: imImage, mean: number, stddev: number) -> counter: boolean, new_image: imImage [in Lua 5] \endverbatim 00387 * \ingroup render */ 00388 int imProcessRenderAddUniformNoise(const imImage* src_image, imImage* dst_image, float mean, float stddev); 00389 00390 /** Render random noise. 00391 * 00392 * \verbatim im.ProcessRenderRandomNoise(image: imImage) -> counter: boolean [in Lua 5] \endverbatim 00393 * \ingroup render */ 00394 int imProcessRenderRandomNoise(imImage* image); 00395 00396 /** Render a constant. The number of values must match the depth of the image. 00397 * 00398 * \verbatim im.ProcessRenderConstant(image: imImage, value: table of number) -> counter: boolean [in Lua 5] \endverbatim 00399 * \ingroup render */ 00400 int imProcessRenderConstant(imImage* image, float* value); 00401 00402 /** Render a centered wheel. 00403 * 00404 * \verbatim im.ProcessRenderWheel(image: imImage, internal_radius: number, external_radius: number) -> counter: boolean [in Lua 5] \endverbatim 00405 * \ingroup render */ 00406 int imProcessRenderWheel(imImage* image, int internal_radius, int external_radius); 00407 00408 /** Render a centered cone. 00409 * 00410 * \verbatim im.ProcessRenderCone(image: imImage, radius: number) -> counter: boolean [in Lua 5] \endverbatim 00411 * \ingroup render */ 00412 int imProcessRenderCone(imImage* image, int radius); 00413 00414 /** Render a centered tent. 00415 * 00416 * \verbatim im.ProcessRenderTent(image: imImage, tent_width: number, tent_height: number) -> counter: boolean [in Lua 5] \endverbatim 00417 * \ingroup render */ 00418 int imProcessRenderTent(imImage* image, int tent_width, int tent_height); 00419 00420 /** Render a ramp. Direction can be vertical (1) or horizontal (0). 00421 * 00422 * \verbatim im.ProcessRenderRamp(image: imImage, start: number, end: number, vert_dir: boolean) -> counter: boolean [in Lua 5] \endverbatim 00423 * \ingroup render */ 00424 int imProcessRenderRamp(imImage* image, int start, int end, int vert_dir); 00425 00426 /** Render a centered box. 00427 * 00428 * \verbatim im.ProcessRenderBox(image: imImage, box_width: number, box_height: number) -> counter: boolean [in Lua 5] \endverbatim 00429 * \ingroup render */ 00430 int imProcessRenderBox(imImage* image, int box_width, int box_height); 00431 00432 /** Render a centered sinc. 00433 * 00434 * \verbatim im.ProcessRenderSinc(image: imImage, x_period: number, y_period: number) -> counter: boolean [in Lua 5] \endverbatim 00435 * \ingroup render */ 00436 int imProcessRenderSinc(imImage* image, float x_period, float y_period); 00437 00438 /** Render a centered gaussian. 00439 * 00440 * \verbatim im.ProcessRenderGaussian(image: imImage, stddev: number) -> counter: boolean [in Lua 5] \endverbatim 00441 * \ingroup render */ 00442 int imProcessRenderGaussian(imImage* image, float stddev); 00443 00444 /** Render the laplacian of a centered gaussian. 00445 * 00446 * \verbatim im.ProcessRenderLapOfGaussian(image: imImage, stddev: number) -> counter: boolean [in Lua 5] \endverbatim 00447 * \ingroup render */ 00448 int imProcessRenderLapOfGaussian(imImage* image, float stddev); 00449 00450 /** Render a centered cosine. 00451 * 00452 * \verbatim im.ProcessRenderCosine(image: imImage, x_period: number, y_period: number) -> counter: boolean [in Lua 5] \endverbatim 00453 * \ingroup render */ 00454 int imProcessRenderCosine(imImage* image, float x_period, float y_period); 00455 00456 /** Render a centered grid. 00457 * 00458 * \verbatim im.ProcessRenderGrid(image: imImage, x_space: number, y_space: number) -> counter: boolean [in Lua 5] \endverbatim 00459 * \ingroup render */ 00460 int imProcessRenderGrid(imImage* image, int x_space, int y_space); 00461 00462 /** Render a centered chessboard. 00463 * 00464 * \verbatim im.ProcessRenderChessboard(image: imImage, x_space: number, y_space: number) -> counter: boolean [in Lua 5] \endverbatim 00465 * \ingroup render */ 00466 int imProcessRenderChessboard(imImage* image, int x_space, int y_space); 00467 00468 00469 00470 /** \defgroup tonegamut Tone Gamut Operations 00471 * \par 00472 * Operations that try to preserve the min-max interval in the output (the dynamic range). 00473 * \par 00474 * See \ref im_process_pon.h 00475 * \ingroup process */ 00476 00477 00478 /** Tone Gamut Operations. 00479 * \ingroup tonegamut */ 00480 enum imToneGamut { 00481 IM_GAMUT_NORMALIZE, /**< normalize = (a-min) / (max-min) (destiny image must be IM_FLOAT) */ 00482 IM_GAMUT_POW, /**< pow = ((a-min) / (max-min))^gamma * (max-min) + min \n 00483 param[0]=gamma */ 00484 IM_GAMUT_LOG, /**< log = log(K * (a-min) / (max-min) + 1))*(max-min)/log(K+1) + min \n 00485 param[0]=K (K>0) */ 00486 IM_GAMUT_EXP, /**< exp = (exp(K * (a-min) / (max-min)) - 1))*(max-min)/(exp(K)-1) + min \n 00487 param[0]=K */ 00488 IM_GAMUT_INVERT, /**< invert = max - (a-min) */ 00489 IM_GAMUT_ZEROSTART, /**< zerostart = a - min */ 00490 IM_GAMUT_SOLARIZE, /**< solarize = a < level ? a: (level * (max-min) - a * (level-min)) / (max-level) \n 00491 param[0]=level percentage (0-100) relative to min-max \n 00492 photography solarization effect. */ 00493 IM_GAMUT_SLICE, /**< slice = start < a || a > end ? min: binarize? max: a \n 00494 param[0]=start, param[1]=end, param[2]=binarize */ 00495 IM_GAMUT_EXPAND, /**< expand = a < start ? min: a > end ? max : (a-start)*(max-min)/(end-start) + min \n 00496 param[0]=start, param[1]=end */ 00497 IM_GAMUT_CROP, /**< crop = a < start ? start: a > end ? end : a \n 00498 param[0]=start, param[1]=end */ 00499 IM_GAMUT_BRIGHTCONT /**< brightcont = a < min ? min: a > max ? max: a * tan(c_a) + b_s + (max-min)*(1 - tan(c_a))/2 \n 00500 param[0]=bright_shift (-100%..+100%), param[1]=contrast_factor (-100%..+100%) \n 00501 change brightness and contrast simultaneously. */ 00502 }; 00503 00504 /** Apply a gamut operation with arguments. \n 00505 * Supports all data types except IM_CFLOAT. \n 00506 * The linear operation do a special convertion when min > 0 and max < 1, it forces min=0 and max=1. \n 00507 * IM_BYTE images have min=0 and max=255 always. \n 00508 * Can be done in place. When there is no extra params use NULL. 00509 * 00510 * \verbatim im.ProcessToneGamut(src_image: imImage, dst_image: imImage, op: number, param: table of number) [in Lua 5] \endverbatim 00511 * \verbatim im.ProcessToneGamutNew(src_image: imImage, op: number, param: table of number) -> new_image: imImage [in Lua 5] \endverbatim 00512 * \ingroup tonegamut */ 00513 void imProcessToneGamut(const imImage* src_image, imImage* dst_image, int op, float* param); 00514 00515 /** Converts from (0-1) to (0-255), crop out of bounds values. \n 00516 * Source image must be IM_FLOAT, and destiny image must be IM_BYTE. 00517 * 00518 * \verbatim im.ProcessUnNormalize(src_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00519 * \verbatim im.ProcessUnNormalizeNew(src_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00520 * \ingroup tonegamut */ 00521 void imProcessUnNormalize(const imImage* src_image, imImage* dst_image); 00522 00523 /** Directly converts IM_USHORT, IM_INT and IM_FLOAT into IM_BYTE images. \n 00524 * This can also be done using \ref imConvertDataType with IM_CAST_DIRECT. 00525 * 00526 * \verbatim im.ProcessDirectConv(src_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00527 * \verbatim im.ProcessDirectConvNew(src_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00528 * \ingroup tonegamut */ 00529 void imProcessDirectConv(const imImage* src_image, imImage* dst_image); 00530 00531 /** A negative effect. Uses \ref imProcessToneGamut with IM_GAMUT_INVERT for non MAP images. \n 00532 * Supports all color spaces and all data types except IM_CFLOAT. 00533 * 00534 * \verbatim im.ProcessNegative(src_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00535 * \verbatim im.ProcessNegativeNew(src_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00536 * \ingroup tonegamut */ 00537 void imProcessNegative(const imImage* src_image, imImage* dst_image); 00538 00539 00540 00541 /** \defgroup threshold Threshold Operations 00542 * \par 00543 * Operations that converts a usually IM_GRAY/IM_BYTE image into a IM_BINARY image using several threshold techniques. 00544 * \par 00545 * See \ref im_process_pon.h 00546 * \ingroup process */ 00547 00548 /** Apply a manual threshold. \n 00549 * threshold = a <= level ? 0: value \n 00550 * Normal value is 1 but another common value is 255. Can be done in place for IM_BYTE source. \n 00551 * Supports all integer IM_GRAY images as source, and IM_BINARY as destiny. 00552 * 00553 * \verbatim im.ProcessThreshold(src_image: imImage, dst_image: imImage, level: number, value: number) [in Lua 5] \endverbatim 00554 * \verbatim im.ProcessThresholdNew(src_image: imImage, level: number, value: number) -> new_image: imImage [in Lua 5] \endverbatim 00555 * \ingroup threshold */ 00556 void imProcessThreshold(const imImage* src_image, imImage* dst_image, int level, int value); 00557 00558 /** Apply a threshold by the difference of two images. \n 00559 * threshold = a1 <= a2 ? 0: 1 \n 00560 * Can be done in place. 00561 * 00562 * \verbatim im.ProcessThresholdByDiff(src_image1: imImage, src_image2: imImage, dst_image: imImage) [in Lua 5] \endverbatim 00563 * \verbatim im.ProcessThresholdByDiffNew(src_image1: imImage, src_image2: imImage) -> new_image: imImage [in Lua 5] \endverbatim 00564 * \ingroup threshold */ 00565 void imProcessThresholdByDiff(const imImage* src_image1, const imImage* src_image2, imImage* dst_image); 00566 00567 /** Apply a threshold by the Hysteresis method. \n 00568 * Hysteresis thersholding of edge pixels. Starting at pixels with a 00569 * value greater than the HIGH threshold, trace a connected sequence 00570 * of pixels that have a value greater than the LOW threhsold. \n 00571 * Note: could not find the original source code author name. 00572 * 00573 * \verbatim im.ProcessHysteresisThreshold(src_image: imImage, dst_image: imImage, low_thres: number, high_thres: number) [in Lua 5] \endverbatim 00574 * \verbatim im.ProcessHysteresisThresholdNew(src_image: imImage, low_thres: number, high_thres: number) -> new_image: imImage [in Lua 5] \endverbatim 00575 * \ingroup threshold */ 00576 void imProcessHysteresisThreshold(const imImage* src_image, imImage* dst_image, int low_thres, int high_thres); 00577 00578 /** Estimates hysteresis low and high threshold levels. \n 00579 * Usefull for \ref imProcessHysteresisThreshold. 00580 * 00581 * \verbatim im.ProcessHysteresisThresEstimate(image: imImage) -> low_level: number, high_level: number [in Lua 5] \endverbatim 00582 * \ingroup threshold */ 00583 void imProcessHysteresisThresEstimate(const imImage* image, int *low_level, int *high_level); 00584 00585 /** Calculates the threshold level for manual threshold using an uniform error approach. \n 00586 * Extracted from XITE, Copyright 1991, Blab, UiO \n 00587 * http://www.ifi.uio.no/~blab/Software/Xite/ 00588 \verbatim 00589 Reference: 00590 S. M. Dunn & D. Harwood & L. S. Davis: 00591 "Local Estimation of the Uniform Error Threshold" 00592 IEEE Trans. on PAMI, Vol PAMI-6, No 6, Nov 1984. 00593 Comments: It only works well on images whith large objects. 00594 Author: Olav Borgli, BLAB, ifi, UiO 00595 Image processing lab, Department of Informatics, University of Oslo 00596 \endverbatim 00597 * Returns the used level. 00598 * 00599 * \verbatim im.ProcessUniformErrThreshold(src_image: imImage, dst_image: imImage) -> level: number [in Lua 5] \endverbatim 00600 * \verbatim im.ProcessUniformErrThresholdNew(src_image: imImage) -> level: number, new_image: imImage [in Lua 5] \endverbatim 00601 * \ingroup threshold */ 00602 int imProcessUniformErrThreshold(const imImage* src_image, imImage* dst_image); 00603 00604 /** Apply a dithering on each image channel by using a difusion error method. \n 00605 * It can be applied on any IM_BYTE images. It will "threshold" each channel indivudually, so 00606 * source and destiny must be of the same depth. 00607 * 00608 * \verbatim im.ProcessDifusionErrThreshold(src_image: imImage, dst_image: imImage, level: number) [in Lua 5] \endverbatim 00609 * \verbatim im.ProcessDifusionErrThresholdNew(src_image: imImage, level: number) -> new_image: imImage [in Lua 5] \endverbatim 00610 * \ingroup threshold */ 00611 void imProcessDifusionErrThreshold(const imImage* src_image, imImage* dst_image, int level); 00612 00613 /** Calculates the threshold level for manual threshold using a percentage of pixels 00614 * that should stay bellow the threshold. \n 00615 * Returns the used level. 00616 * 00617 * \verbatim im.ProcessPercentThreshold(src_image: imImage, dst_image: imImage, percent: number) -> level: number [in Lua 5] \endverbatim 00618 * \verbatim im.ProcessPercentThresholdNew(src_image: imImage, percent: number) -> level: number, new_image: imImage [in Lua 5] \endverbatim 00619 * \ingroup threshold */ 00620 int imProcessPercentThreshold(const imImage* src_image, imImage* dst_image, float percent); 00621 00622 /** Calculates the threshold level for manual threshold using the Otsu approach. \n 00623 * Returns the used level. \n 00624 * Original implementation by Flavio Szenberg. 00625 * 00626 * \verbatim im.ProcessOtsuThreshold(src_image: imImage, dst_image: imImage) -> level: number [in Lua 5] \endverbatim 00627 * \verbatim im.ProcessOtsuThresholdNew(src_image: imImage) -> level: number, new_image: imImage [in Lua 5] \endverbatim 00628 * \ingroup threshold */ 00629 int imProcessOtsuThreshold(const imImage* src_image, imImage* dst_image); 00630 00631 /** Calculates the threshold level for manual threshold using (max-min)/2. \n 00632 * Returns the used level. \n 00633 * Supports all integer IM_GRAY images as source, and IM_BINARY as destiny. 00634 * 00635 * \verbatim im.ProcessMinMaxThreshold(src_image: imImage, dst_image: imImage) -> level: number [in Lua 5] \endverbatim 00636 * \verbatim im.ProcessMinMaxThresholdNew(src_image: imImage) -> level: number, new_image: imImage [in Lua 5] \endverbatim 00637 * \ingroup threshold */ 00638 int imProcessMinMaxThreshold(const imImage* src_image, imImage* dst_image); 00639 00640 /** Estimates Local Max threshold level for IM_BYTE images. 00641 * 00642 * \verbatim im.ProcessLocalMaxThresEstimate(image: imImage) -> level: number [in Lua 5] \endverbatim 00643 * \ingroup threshold */ 00644 void imProcessLocalMaxThresEstimate(const imImage* image, int *level); 00645 00646 /** Apply a manual threshold using an interval. \n 00647 * threshold = start_level <= a <= end_level ? 1: 0 \n 00648 * Normal value is 1 but another common value is 255. Can be done in place for IM_BYTE source. \n 00649 * Supports all integer IM_GRAY images as source, and IM_BINARY as destiny. 00650 * 00651 * \verbatim im.ProcessSliceThreshold(src_image: imImage, dst_image: imImage, start_level: number, end_level: number) [in Lua 5] \endverbatim 00652 * \verbatim im.ProcessSliceThresholdNew(src_image: imImage, start_level: number, end_level: number) -> new_image: imImage [in Lua 5] \endverbatim 00653 * \ingroup threshold */ 00654 void imProcessSliceThreshold(const imImage* src_image, imImage* dst_image, int start_level, int end_level); 00655 00656 00657 /** \defgroup effects Special Effects 00658 * \par 00659 * Operations to change image appearance. 00660 * \par 00661 * See \ref im_process_pon.h 00662 * \ingroup process */ 00663 00664 00665 /** Generates a zoom in effect averaging colors inside a square region. \n 00666 * Operates only on IM_BYTE images. 00667 * 00668 * \verbatim im.ProcessPixelate(src_image: imImage, dst_image: imImage, box_size: number) [in Lua 5] \endverbatim 00669 * \verbatim im.ProcessPixelateNew(src_image: imImage, box_size: number) -> new_image: imImage [in Lua 5] \endverbatim 00670 * \ingroup effects */ 00671 void imProcessPixelate(const imImage* src_image, imImage* dst_image, int box_size); 00672 00673 /** A simple Posterize effect. It reduces the number of colors in the image eliminating 00674 * less significant bit planes. Can have 1 to 7 levels. See \ref imProcessBitMask. \n 00675 * Image data type must be integer. 00676 * 00677 * \verbatim im.ProcessPosterize(src_image: imImage, dst_image: imImage, level: number) [in Lua 5] \endverbatim 00678 * \verbatim im.ProcessPosterizeNew(src_image: imImage, level: number) -> new_image: imImage [in Lua 5] \endverbatim 00679 * \ingroup effects */ 00680 void imProcessPosterize(const imImage* src_image, imImage* dst_image, int level); 00681 00682 00683 00684 #if defined(__cplusplus) 00685 } 00686 #endif 00687 00688 #endif