image.h
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1 /*******************************************************
2  * Copyright (c) 2014, ArrayFire
3  * All rights reserved.
4  *
5  * This file is distributed under 3-clause BSD license.
6  * The complete license agreement can be obtained at:
7  * http://arrayfire.com/licenses/BSD-3-Clause
8  ********************************************************/
9 
10 #pragma once
11 #include <af/defines.h>
12 #include <af/features.h>
13 
14 #ifdef __cplusplus
15 namespace af
16 {
17 class array;
18 
28 AFAPI void grad(array& dx, array& dy, const array& in);
29 
39 AFAPI array loadImage(const char* filename, const bool is_color=false);
40 
49 AFAPI void saveImage(const char* filename, const array& in);
50 
51 #if AF_API_VERSION >= 31
52 
65 AFAPI array loadImageMem(const void *ptr);
66 #endif
67 
68 #if AF_API_VERSION >= 31
69 
84 AFAPI void* saveImageMem(const array& in, const imageFormat format = AF_FIF_PNG);
85 #endif
86 
87 #if AF_API_VERSION >= 31
88 
96 AFAPI void deleteImageMem(void *ptr);
97 #endif
98 
99 #if AF_API_VERSION >= 32
100 
117 AFAPI array loadImageNative(const char* filename);
118 #endif
119 
120 #if AF_API_VERSION >= 32
121 
147 AFAPI void saveImageNative(const char* filename, const array& in);
148 #endif
149 
150 #if AF_API_VERSION >= 33
151 
158 #endif
159 
171 AFAPI array resize(const array& in, const dim_t odim0, const dim_t odim1, const interpType method=AF_INTERP_NEAREST);
172 
184 AFAPI array resize(const float scale0, const float scale1, const array& in, const interpType method=AF_INTERP_NEAREST);
185 
196 AFAPI array resize(const float scale, const array& in, const interpType method=AF_INTERP_NEAREST);
197 
209 AFAPI array rotate(const array& in, const float theta, const bool crop=true, const interpType method=AF_INTERP_NEAREST);
210 
224 AFAPI array transform(const array& in, const array& transform, const dim_t odim0 = 0, const dim_t odim1 = 0,
225  const interpType method=AF_INTERP_NEAREST, const bool inverse=true);
226 
227 #if AF_API_VERSION >= 33
228 
238 AFAPI array transformCoordinates(const array& tf, const float d0, const float d1);
239 #endif
240 
254 AFAPI array translate(const array& in, const float trans0, const float trans1, const dim_t odim0 = 0, const dim_t odim1 = 0, const interpType method=AF_INTERP_NEAREST);
255 
269 AFAPI array scale(const array& in, const float scale0, const float scale1, const dim_t odim0 = 0, const dim_t odim1 = 0, const interpType method=AF_INTERP_NEAREST);
270 
285 AFAPI array skew(const array& in, const float skew0, const float skew1, const dim_t odim0 = 0, const dim_t odim1 = 0, const bool inverse=true, const interpType method=AF_INTERP_NEAREST);
286 
298 AFAPI array bilateral(const array &in, const float spatial_sigma, const float chromatic_sigma, const bool is_color=false);
299 
313 AFAPI array histogram(const array &in, const unsigned nbins, const double minval, const double maxval);
314 
326 AFAPI array histogram(const array &in, const unsigned nbins);
327 
340 AFAPI array meanShift(const array& in, const float spatial_sigma, const float chromatic_sigma, const unsigned iter, const bool is_color=false);
341 
354 AFAPI array minfilt(const array& in, const dim_t wind_length = 3, const dim_t wind_width = 3, const borderType edge_pad = AF_PAD_ZERO);
355 
368 AFAPI array maxfilt(const array& in, const dim_t wind_length = 3, const dim_t wind_width = 3, const borderType edge_pad = AF_PAD_ZERO);
369 
381 AFAPI array dilate(const array& in, const array& mask);
382 
392 AFAPI array dilate3(const array& in, const array& mask);
393 
405 AFAPI array erode(const array& in, const array& mask);
406 
416 AFAPI array erode3(const array& in, const array& mask);
417 
446 
459 AFAPI void sobel(array &dx, array &dy, const array &img, const unsigned ker_size=3);
460 
473 AFAPI array sobel(const array &img, const unsigned ker_size=3, const bool isFast=false);
474 
488 AFAPI array rgb2gray(const array& in, const float rPercent=0.2126f, const float gPercent=0.7152f, const float bPercent=0.0722f);
489 
503 AFAPI array gray2rgb(const array& in, const float rFactor=1.0, const float gFactor=1.0, const float bFactor=1.0);
504 
518 AFAPI array histEqual(const array& in, const array& hist);
519 
531 AFAPI array gaussianKernel(const int rows, const int cols, const double sig_r = 0, const double sig_c = 0);
532 
543 AFAPI array hsv2rgb(const array& in);
544 
555 AFAPI array rgb2hsv(const array& in);
556 
571 AFAPI array colorSpace(const array& image, const CSpace to, const CSpace from);
572 
573 #if AF_API_VERSION >= 31
574 
598 AFAPI array unwrap(const array& in, const dim_t wx, const dim_t wy,
599  const dim_t sx, const dim_t sy, const dim_t px=0, const dim_t py=0,
600  const bool is_column = true);
601 #endif
602 
603 #if AF_API_VERSION >= 31
604 
636 AFAPI array wrap(const array& in,
637  const dim_t ox, const dim_t oy,
638  const dim_t wx, const dim_t wy,
639  const dim_t sx, const dim_t sy,
640  const dim_t px = 0, const dim_t py = 0,
641  const bool is_column = true);
642 #endif
643 
644 #if AF_API_VERSION >= 31
645 
653 AFAPI array sat(const array& in);
654 #endif
655 
656 #if AF_API_VERSION >= 31
657 
669 AFAPI array ycbcr2rgb(const array& in, const YCCStd standard=AF_YCC_601);
670 #endif
671 
672 #if AF_API_VERSION >= 31
673 
685 AFAPI array rgb2ycbcr(const array& in, const YCCStd standard=AF_YCC_601);
686 #endif
687 
688 #if AF_API_VERSION >= 34
689 
699 AFAPI void moments(double* out, const array& in, const momentType moment=AF_MOMENT_FIRST_ORDER);
700 #endif
701 
702 #if AF_API_VERSION >= 34
703 
712 AFAPI array moments(const array& in, const momentType moment=AF_MOMENT_FIRST_ORDER);
713 #endif
714 
715 #if AF_API_VERSION >= 35
716 
735 AFAPI array canny(const array& in, const cannyThreshold thresholdType,
736  const float lowThresholdRatio, const float highThresholdRatio,
737  const unsigned sobelWindow = 3, const bool isFast = false);
738 #endif
739 
740 #if AF_API_VERSION >= 36
741 
755 AFAPI array anisotropicDiffusion(const af::array& in, const float timestep,
756  const float conductance, const unsigned iterations,
757  const fluxFunction fftype=AF_FLUX_EXPONENTIAL,
758  const diffusionEq diffusionKind=AF_DIFFUSION_GRAD);
759 #endif
760 
761 #if AF_API_VERSION >= 37
762 
780 AFAPI array iterativeDeconv(const array& in, const array& ker,
781  const unsigned iterations, const float relaxFactor,
782  const iterativeDeconvAlgo algo);
783 
798 AFAPI array inverseDeconv(const array& in, const array& psf,
799  const float gamma, const inverseDeconvAlgo algo);
800 
820 AFAPI array confidenceCC(const array &in, const array &seeds,
821  const unsigned radius,
822  const unsigned multiplier, const int iter,
823  const double segmentedValue);
824 
843 AFAPI array confidenceCC(const array &in, const array &seedx,
844  const array &seedy, const unsigned radius,
845  const unsigned multiplier, const int iter,
846  const double segmentedValue);
847 
867 AFAPI array confidenceCC(const array &in, const size_t num_seeds,
868  const unsigned *seedx, const unsigned *seedy,
869  const unsigned radius, const unsigned multiplier,
870  const int iter, const double segmentedValue);
871 
872 #endif
873 }
874 #endif
875 
876 #ifdef __cplusplus
877 extern "C" {
878 #endif
879 
891  AFAPI af_err af_gradient(af_array *dx, af_array *dy, const af_array in);
892 
904  AFAPI af_err af_load_image(af_array *out, const char* filename, const bool isColor);
905 
916  AFAPI af_err af_save_image(const char* filename, const af_array in);
917 
918 #if AF_API_VERSION >= 31
919 
929  AFAPI af_err af_load_image_memory(af_array *out, const void* ptr);
930 #endif
931 
932 #if AF_API_VERSION >= 31
933 
945  AFAPI af_err af_save_image_memory(void** ptr, const af_array in, const af_image_format format);
946 #endif
947 
948 #if AF_API_VERSION >= 31
949 
959 #endif
960 
961 #if AF_API_VERSION >= 32
962 
980  AFAPI af_err af_load_image_native(af_array *out, const char* filename);
981 #endif
982 
983 #if AF_API_VERSION >= 32
984 
1012  AFAPI af_err af_save_image_native(const char* filename, const af_array in);
1013 #endif
1014 
1015 #if AF_API_VERSION >= 33
1016 
1027 #endif
1028 
1043  AFAPI af_err af_resize(af_array *out, const af_array in, const dim_t odim0, const dim_t odim1, const af_interp_type method);
1044 
1062  const dim_t odim0, const dim_t odim1,
1063  const af_interp_type method, const bool inverse);
1064 
1065 #if AF_API_VERSION >= 37
1066 
1090  const dim_t odim0, const dim_t odim1,
1091  const af_interp_type method, const bool inverse);
1092 #endif
1093 
1094 #if AF_API_VERSION >= 33
1095 
1106  AFAPI af_err af_transform_coordinates(af_array *out, const af_array tf, const float d0, const float d1);
1107 #endif
1108 
1122  AFAPI af_err af_rotate(af_array *out, const af_array in, const float theta,
1123  const bool crop, const af_interp_type method);
1139  AFAPI af_err af_translate(af_array *out, const af_array in, const float trans0, const float trans1,
1140  const dim_t odim0, const dim_t odim1, const af_interp_type method);
1156  AFAPI af_err af_scale(af_array *out, const af_array in, const float scale0, const float scale1,
1157  const dim_t odim0, const dim_t odim1, const af_interp_type method);
1174  AFAPI af_err af_skew(af_array *out, const af_array in, const float skew0, const float skew1,
1175  const dim_t odim0, const dim_t odim1, const af_interp_type method,
1176  const bool inverse);
1177 
1191  AFAPI af_err af_histogram(af_array *out, const af_array in, const unsigned nbins, const double minval, const double maxval);
1192 
1206  AFAPI af_err af_dilate(af_array *out, const af_array in, const af_array mask);
1207 
1219  AFAPI af_err af_dilate3(af_array *out, const af_array in, const af_array mask);
1220 
1234  AFAPI af_err af_erode(af_array *out, const af_array in, const af_array mask);
1235 
1247  AFAPI af_err af_erode3(af_array *out, const af_array in, const af_array mask);
1248 
1262  AFAPI af_err af_bilateral(af_array *out, const af_array in, const float spatial_sigma, const float chromatic_sigma, const bool isColor);
1263 
1278  AFAPI af_err af_mean_shift(af_array *out, const af_array in, const float spatial_sigma, const float chromatic_sigma, const unsigned iter, const bool is_color);
1279 
1294  AFAPI af_err af_minfilt(af_array *out, const af_array in, const dim_t wind_length, const dim_t wind_width, const af_border_type edge_pad);
1295 
1310  AFAPI af_err af_maxfilt(af_array *out, const af_array in, const dim_t wind_length, const dim_t wind_width, const af_border_type edge_pad);
1311 
1324  AFAPI af_err af_regions(af_array *out, const af_array in, const af_connectivity connectivity, const af_dtype ty);
1325 
1340  AFAPI af_err af_sobel_operator(af_array *dx, af_array *dy, const af_array img, const unsigned ker_size);
1341 
1357  AFAPI af_err af_rgb2gray(af_array* out, const af_array in, const float rPercent, const float gPercent, const float bPercent);
1358 
1374  AFAPI af_err af_gray2rgb(af_array* out, const af_array in, const float rFactor, const float gFactor, const float bFactor);
1375 
1389  AFAPI af_err af_hist_equal(af_array *out, const af_array in, const af_array hist);
1390 
1405  const int rows, const int cols,
1406  const double sigma_r, const double sigma_c);
1407 
1420  AFAPI af_err af_hsv2rgb(af_array* out, const af_array in);
1421 
1434  AFAPI af_err af_rgb2hsv(af_array* out, const af_array in);
1435 
1453  AFAPI af_err af_color_space(af_array *out, const af_array image, const af_cspace_t to, const af_cspace_t from);
1454 
1455 #if AF_API_VERSION >= 31
1456 
1483  AFAPI af_err af_unwrap(af_array *out, const af_array in, const dim_t wx, const dim_t wy,
1484  const dim_t sx, const dim_t sy, const dim_t px, const dim_t py,
1485  const bool is_column);
1486 #endif
1487 
1488 #if AF_API_VERSION >= 31
1489 
1525  const af_array in,
1526  const dim_t ox, const dim_t oy,
1527  const dim_t wx, const dim_t wy,
1528  const dim_t sx, const dim_t sy,
1529  const dim_t px, const dim_t py,
1530  const bool is_column);
1531 #endif
1532 
1533 #if AF_API_VERSION >= 37
1534 
1571  const af_array in,
1572  const dim_t ox, const dim_t oy,
1573  const dim_t wx, const dim_t wy,
1574  const dim_t sx, const dim_t sy,
1575  const dim_t px, const dim_t py,
1576  const bool is_column);
1577 #endif
1578 
1579 #if AF_API_VERSION >= 31
1580 
1590  AFAPI af_err af_sat(af_array *out, const af_array in);
1591 #endif
1592 
1593 #if AF_API_VERSION >= 31
1594 
1608  AFAPI af_err af_ycbcr2rgb(af_array* out, const af_array in, const af_ycc_std standard);
1609 #endif
1610 
1611 #if AF_API_VERSION >= 31
1612 
1626  AFAPI af_err af_rgb2ycbcr(af_array* out, const af_array in, const af_ycc_std standard);
1627 #endif
1628 
1629 #if AF_API_VERSION >= 34
1630 
1641  AFAPI af_err af_moments(af_array *out, const af_array in, const af_moment_type moment);
1642 #endif
1643 
1644 #if AF_API_VERSION >= 34
1645 
1657  AFAPI af_err af_moments_all(double* out, const af_array in, const af_moment_type moment);
1658 #endif
1659 
1660 #if AF_API_VERSION >= 35
1661 
1683  AFAPI af_err af_canny(af_array* out, const af_array in,
1684  const af_canny_threshold threshold_type,
1685  const float low_threshold_ratio,
1686  const float high_threshold_ratio,
1687  const unsigned sobel_window, const bool is_fast);
1688 #endif
1689 
1690 #if AF_API_VERSION >= 36
1691 
1710  const float timestep,
1711  const float conductance,
1712  const unsigned iterations,
1713  const af_flux_function fftype,
1714  const af_diffusion_eq diffusion_kind);
1715 #endif
1716 
1717 #if AF_API_VERSION >= 37
1718 
1739  const af_array in, const af_array ker,
1740  const unsigned iterations,
1741  const float relax_factor,
1742  const af_iterative_deconv_algo algo);
1743 
1762  const af_array psf, const float gamma,
1763  const af_inverse_deconv_algo algo);
1764 
1786  const af_array seedx, const af_array seedy,
1787  const unsigned radius,
1788  const unsigned multiplier, const int iter,
1789  const double segmented_value);
1790 
1791 #endif
1792 
1793 #ifdef __cplusplus
1794 }
1795 #endif
af::diffusionEq
af_diffusion_eq diffusionEq
Definition: defines.h:592
af_dilate3
AFAPI af_err af_dilate3(af_array *out, const af_array in, const af_array mask)
C Interface for 3d image dilation.
af::CSpace
af_cspace_t CSpace
Definition: defines.h:555
af_transform_coordinates
AFAPI af_err af_transform_coordinates(af_array *out, const af_array tf, const float d0, const float d1)
C Interface for transforming an image C++ Interface for transforming coordinates.
af::erode3
AFAPI array erode3(const array &in, const array &mask)
C++ Interface for 3d for image erosion.
af_diffusion_eq
af_diffusion_eq
Definition: defines.h:504
af::saveImageMem
AFAPI void * saveImageMem(const array &in, const imageFormat format=AF_FIF_PNG)
C++ Interface for saving an image to memory.
af_gradient
AFAPI af_err af_gradient(af_array *dx, af_array *dy, const af_array in)
C Interface for calculating the gradients.
AF_INTERP_NEAREST
@ AF_INTERP_NEAREST
Nearest Interpolation.
Definition: defines.h:243
af::maxfilt
AFAPI array maxfilt(const array &in, const dim_t wind_length=3, const dim_t wind_width=3, const borderType edge_pad=AF_PAD_ZERO)
C++ Interface for maximum filter.
af::unwrap
AFAPI array unwrap(const array &in, const dim_t wx, const dim_t wy, const dim_t sx, const dim_t sy, const dim_t px=0, const dim_t py=0, const bool is_column=true)
C++ Interface for rearranging windowed sections of an input into columns (or rows)
AF_FIF_PNG
@ AF_FIF_PNG
FreeImage Enum for Portable Network Graphics File.
Definition: defines.h:382
af::saveImage
AFAPI void saveImage(const char *filename, const array &in)
C++ Interface for saving an image.
dim_t
long long dim_t
Definition: defines.h:56
af::rgb2gray
AFAPI array rgb2gray(const array &in, const float rPercent=0.2126f, const float gPercent=0.7152f, const float bPercent=0.0722f)
C++ Interface for RGB to gray conversion.
af_histogram
AFAPI af_err af_histogram(af_array *out, const af_array in, const unsigned nbins, const double minval, const double maxval)
C Interface for histogram.
af_skew
AFAPI af_err af_skew(af_array *out, const af_array in, const float skew0, const float skew1, const dim_t odim0, const dim_t odim1, const af_interp_type method, const bool inverse)
C Interface for skewing an image.
af_sobel_operator
AFAPI af_err af_sobel_operator(af_array *dx, af_array *dy, const af_array img, const unsigned ker_size)
C Interface for getting sobel gradients.
af::grad
AFAPI void grad(array &dx, array &dy, const array &in)
C++ Interface for calculating the gradients.
af_hsv2rgb
AFAPI af_err af_hsv2rgb(af_array *out, const af_array in)
C Interface for converting HSV to RGB.
af::scale
AFAPI array scale(const array &in, const float scale0, const float scale1, const dim_t odim0=0, const dim_t odim1=0, const interpType method=AF_INTERP_NEAREST)
C++ Interface for scaling an image.
af_regions
AFAPI af_err af_regions(af_array *out, const af_array in, const af_connectivity connectivity, const af_dtype ty)
C Interface for regions in an image.
af_save_image_native
AFAPI af_err af_save_image_native(const char *filename, const af_array in)
C Interface for saving an image without modifications.
af_iterative_deconv
AFAPI af_err af_iterative_deconv(af_array *out, const af_array in, const af_array ker, const unsigned iterations, const float relax_factor, const af_iterative_deconv_algo algo)
C Interface for Iterative deconvolution algorithm.
af::translate
AFAPI array translate(const array &in, const float trans0, const float trans1, const dim_t odim0=0, const dim_t odim1=0, const interpType method=AF_INTERP_NEAREST)
C++ Interface for translating an image.
af::momentType
af_moment_type momentType
Definition: defines.h:576
af::dtype
af_dtype dtype
Definition: defines.h:549
af::iterativeDeconvAlgo
af_iterative_deconv_algo iterativeDeconvAlgo
Definition: defines.h:597
AFAPI
#define AFAPI
Definition: defines.h:38
af::inverseDeconv
AFAPI array inverseDeconv(const array &in, const array &psf, const float gamma, const inverseDeconvAlgo algo)
C++ Interface for Tikhonov deconvolution algorithm.
af::array
A multi dimensional data container.
Definition: array.h:35
af
Definition: algorithm.h:14
af_moments
AFAPI af_err af_moments(af_array *out, const af_array in, const af_moment_type moment)
C Interface for finding image moments.
af_sat
AFAPI af_err af_sat(af_array *out, const af_array in)
C Interface wrapper for summed area tables.
af_moments_all
AFAPI af_err af_moments_all(double *out, const af_array in, const af_moment_type moment)
C Interface for calculating image moment(s) of a single image.
af::rotate
AFAPI array rotate(const array &in, const float theta, const bool crop=true, const interpType method=AF_INTERP_NEAREST)
C++ Interface for rotating an image.
af::wrap
AFAPI array wrap(const array &in, const dim_t ox, const dim_t oy, const dim_t wx, const dim_t wy, const dim_t sx, const dim_t sy, const dim_t px=0, const dim_t py=0, const bool is_column=true)
C++ Interface for performing the opposite of unwrap()
af::connectivity
af_connectivity connectivity
Definition: defines.h:553
af::gaussianKernel
AFAPI array gaussianKernel(const int rows, const int cols, const double sig_r=0, const double sig_c=0)
C++ Interface for generating gausian kernels.
af_rotate
AFAPI af_err af_rotate(af_array *out, const af_array in, const float theta, const bool crop, const af_interp_type method)
C Interface for rotating an image.
af_cspace_t
af_cspace_t
Definition: defines.h:339
features.h
af_moment_type
af_moment_type
Definition: defines.h:395
af::sat
AFAPI array sat(const array &in)
C++ Interface wrapper for summed area tables.
af_gray2rgb
AFAPI af_err af_gray2rgb(af_array *out, const af_array in, const float rFactor, const float gFactor, const float bFactor)
C Interface for converting gray to RGB.
af_resize
AFAPI af_err af_resize(af_array *out, const af_array in, const dim_t odim0, const dim_t odim1, const af_interp_type method)
C Interface for resizing an image to specified dimensions.
af::saveImageNative
AFAPI void saveImageNative(const char *filename, const array &in)
C++ Interface for saving an image without modifications.
af_erode3
AFAPI af_err af_erode3(af_array *out, const af_array in, const af_array mask)
C Interface for 3D image erosion.
af_color_space
AFAPI af_err af_color_space(af_array *out, const af_array image, const af_cspace_t to, const af_cspace_t from)
C Interface wrapper for color space conversion.
af_maxfilt
AFAPI af_err af_maxfilt(af_array *out, const af_array in, const dim_t wind_length, const dim_t wind_width, const af_border_type edge_pad)
C Interface for maximum filter.
af_array
void * af_array
Definition: defines.h:240
af_image_format
af_image_format
Definition: defines.h:377
af::deleteImageMem
AFAPI void deleteImageMem(void *ptr)
C++ Interface for deleting memory created by saveImageMem or af_save_image_memory.
af_translate
AFAPI af_err af_translate(af_array *out, const af_array in, const float trans0, const float trans1, const dim_t odim0, const dim_t odim1, const af_interp_type method)
C Interface for translate an image.
af_is_image_io_available
AFAPI af_err af_is_image_io_available(bool *out)
Function to check if Image IO is available.
af::borderType
af_border_type borderType
Definition: defines.h:552
af::canny
AFAPI array canny(const array &in, const cannyThreshold thresholdType, const float lowThresholdRatio, const float highThresholdRatio, const unsigned sobelWindow=3, const bool isFast=false)
C++ Interface for canny edge detector.
af_canny_threshold
af_canny_threshold
Definition: defines.h:482
af::inverseDeconvAlgo
af_inverse_deconv_algo inverseDeconvAlgo
Definition: defines.h:598
af_dtype
af_dtype
Definition: defines.h:210
af_load_image
AFAPI af_err af_load_image(af_array *out, const char *filename, const bool isColor)
C Interface for loading an image.
af::loadImageNative
AFAPI array loadImageNative(const char *filename)
C++ Interface for loading an image as its original type.
af::regions
AFAPI array regions(const array &in, const af::connectivity connectivity=AF_CONNECTIVITY_4, const dtype type=f32)
C++ Interface for getting regions in an image.
af::moments
AFAPI void moments(double *out, const array &in, const momentType moment=AF_MOMENT_FIRST_ORDER)
C++ Interface for calculating an image moment.
AF_FLUX_EXPONENTIAL
@ AF_FLUX_EXPONENTIAL
Exponential flux function.
Definition: defines.h:500
af_anisotropic_diffusion
AFAPI af_err af_anisotropic_diffusion(af_array *out, const af_array in, const float timestep, const float conductance, const unsigned iterations, const af_flux_function fftype, const af_diffusion_eq diffusion_kind)
C Interface for anisotropic diffusion.
af::dilate3
AFAPI array dilate3(const array &in, const array &mask)
C++ Interface for 3D image dilation.
af_confidence_cc
AFAPI af_err af_confidence_cc(af_array *out, const af_array in, const af_array seedx, const af_array seedy, const unsigned radius, const unsigned multiplier, const int iter, const double segmented_value)
C Interface for confidence connected components.
af::rgb2ycbcr
AFAPI array rgb2ycbcr(const array &in, const YCCStd standard=AF_YCC_601)
C++ Interface for converting RGB to YCbCr.
af::minfilt
AFAPI array minfilt(const array &in, const dim_t wind_length=3, const dim_t wind_width=3, const borderType edge_pad=AF_PAD_ZERO)
C++ Interface for minimum filter.
afcl::array
static af::array array(af::dim4 idims, cl_mem buf, af::dtype type, bool retain=false)
Create an af::array object from an OpenCL cl_mem buffer.
Definition: opencl.h:327
af_scale
AFAPI af_err af_scale(af_array *out, const af_array in, const float scale0, const float scale1, const dim_t odim0, const dim_t odim1, const af_interp_type method)
C Interface for scaling an image.
af::YCCStd
af_ycc_std YCCStd
Definition: defines.h:564
AF_DIFFUSION_GRAD
@ AF_DIFFUSION_GRAD
Gradient diffusion equation.
Definition: defines.h:505
af_dilate
AFAPI af_err af_dilate(af_array *out, const af_array in, const af_array mask)
C Interface for image dilation (max filter)
af_load_image_memory
AFAPI af_err af_load_image_memory(af_array *out, const void *ptr)
C Interface for loading an image from memory.
af_transform_v2
AFAPI af_err af_transform_v2(af_array *out, const af_array in, const af_array transform, const dim_t odim0, const dim_t odim1, const af_interp_type method, const bool inverse)
C Interface for the version of af_transform that accepts a preallocated output array.
af_rgb2gray
AFAPI af_err af_rgb2gray(af_array *out, const af_array in, const float rPercent, const float gPercent, const float bPercent)
C Interface for converting RGB to gray.
af_wrap_v2
AFAPI af_err af_wrap_v2(af_array *out, const af_array in, const dim_t ox, const dim_t oy, const dim_t wx, const dim_t wy, const dim_t sx, const dim_t sy, const dim_t px, const dim_t py, const bool is_column)
C Interface for the version of af_wrap that accepts a preallocated output array.
af_inverse_deconv
AFAPI af_err af_inverse_deconv(af_array *out, const af_array in, const af_array psf, const float gamma, const af_inverse_deconv_algo algo)
C Interface for Tikhonov deconvolution algorithm.
af_flux_function
af_flux_function
Definition: defines.h:498
af_delete_image_memory
AFAPI af_err af_delete_image_memory(void *ptr)
C Interface for deleting an image from memory.
af_ycc_std
af_ycc_std
Definition: defines.h:332
af::erode
AFAPI array erode(const array &in, const array &mask)
C++ Interface for image erosion (min filter)
af_rgb2hsv
AFAPI af_err af_rgb2hsv(af_array *out, const af_array in)
C Interface for converting RGB to HSV.
af::ycbcr2rgb
AFAPI array ycbcr2rgb(const array &in, const YCCStd standard=AF_YCC_601)
C++ Interface for converting YCbCr to RGB.
af_iterative_deconv_algo
af_iterative_deconv_algo
Definition: defines.h:524
af_inverse_deconv_algo
af_inverse_deconv_algo
Definition: defines.h:530
af::loadImageMem
AFAPI array loadImageMem(const void *ptr)
C++ Interface for loading an image from memory.
af::iterativeDeconv
AFAPI array iterativeDeconv(const array &in, const array &ker, const unsigned iterations, const float relaxFactor, const iterativeDeconvAlgo algo)
C++ Interface for Iterative deconvolution algorithm.
af::fluxFunction
af_flux_function fluxFunction
Definition: defines.h:591
af_mean_shift
AFAPI af_err af_mean_shift(af_array *out, const af_array in, const float spatial_sigma, const float chromatic_sigma, const unsigned iter, const bool is_color)
C Interface for mean shift.
af::meanShift
AFAPI array meanShift(const array &in, const float spatial_sigma, const float chromatic_sigma, const unsigned iter, const bool is_color=false)
C++ Interface for mean shift.
af::imageFormat
af_image_format imageFormat
Definition: defines.h:567
af_transform
AFAPI af_err af_transform(af_array *out, const af_array in, const af_array transform, const dim_t odim0, const dim_t odim1, const af_interp_type method, const bool inverse)
C Interface for transforming an image.
af::colorSpace
AFAPI array colorSpace(const array &image, const CSpace to, const CSpace from)
C++ Interface wrapper for colorspace conversion.
af_border_type
af_border_type
Definition: defines.h:266
af_save_image_memory
AFAPI af_err af_save_image_memory(void **ptr, const af_array in, const af_image_format format)
C Interface for saving an image to memory using FreeImage.
af::loadImage
AFAPI array loadImage(const char *filename, const bool is_color=false)
C++ Interface for loading an image.
af::rgb2hsv
AFAPI array rgb2hsv(const array &in)
C++ Interface for converting RGB to HSV.
af_load_image_native
AFAPI af_err af_load_image_native(af_array *out, const char *filename)
C Interface for loading an image as is original type.
af_erode
AFAPI af_err af_erode(af_array *out, const af_array in, const af_array mask)
C Interface for image erosion (min filter)
af::anisotropicDiffusion
AFAPI array anisotropicDiffusion(const af::array &in, const float timestep, const float conductance, const unsigned iterations, const fluxFunction fftype=AF_FLUX_EXPONENTIAL, const diffusionEq diffusionKind=AF_DIFFUSION_GRAD)
C++ Interface for gradient anisotropic(non-linear diffusion) smoothing.
af::inverse
AFAPI array inverse(const array &in, const matProp options=AF_MAT_NONE)
C++ Interface for inverting a matrix.
af_canny
AFAPI af_err af_canny(af_array *out, const af_array in, const af_canny_threshold threshold_type, const float low_threshold_ratio, const float high_threshold_ratio, const unsigned sobel_window, const bool is_fast)
C Interface for canny edge detector.
af::interpType
af_interp_type interpType
Definition: defines.h:551
af_wrap
AFAPI af_err af_wrap(af_array *out, const af_array in, const dim_t ox, const dim_t oy, const dim_t wx, const dim_t wy, const dim_t sx, const dim_t sy, const dim_t px, const dim_t py, const bool is_column)
C Interface for performing the opposite of unwrap()
AF_MOMENT_FIRST_ORDER
@ AF_MOMENT_FIRST_ORDER
Definition: defines.h:400
af_rgb2ycbcr
AFAPI af_err af_rgb2ycbcr(af_array *out, const af_array in, const af_ycc_std standard)
C Interface for converting RGB to YCbCr.
AF_CONNECTIVITY_4
@ AF_CONNECTIVITY_4
Connectivity includes neighbors, North, East, South and West of current pixel.
Definition: defines.h:292
af::dilate
AFAPI array dilate(const array &in, const array &mask)
C++ Interface for image dilation (max filter)
af_hist_equal
AFAPI af_err af_hist_equal(af_array *out, const af_array in, const af_array hist)
C Interface for histogram equalization.
AF_YCC_601
@ AF_YCC_601
ITU-R BT.601 (formerly CCIR 601) standard.
Definition: defines.h:333
AF_PAD_ZERO
@ AF_PAD_ZERO
Out of bound values are 0.
Definition: defines.h:270
af_interp_type
af_interp_type
Definition: defines.h:242
af::transformCoordinates
AFAPI array transformCoordinates(const array &tf, const float d0, const float d1)
C++ Interface for transforming coordinates.
af_ycbcr2rgb
AFAPI af_err af_ycbcr2rgb(af_array *out, const af_array in, const af_ycc_std standard)
C Interface for converting YCbCr to RGB.
af::bilateral
AFAPI array bilateral(const array &in, const float spatial_sigma, const float chromatic_sigma, const bool is_color=false)
C++ Interface for bilateral filter.
af::resize
AFAPI array resize(const array &in, const dim_t odim0, const dim_t odim1, const interpType method=AF_INTERP_NEAREST)
C++ Interface for resizing an image to specified dimensions.
af_minfilt
AFAPI af_err af_minfilt(af_array *out, const af_array in, const dim_t wind_length, const dim_t wind_width, const af_border_type edge_pad)
C Interface for minimum filter.
af::cannyThreshold
af_canny_threshold cannyThreshold
Definition: defines.h:588
af::isImageIOAvailable
AFAPI bool isImageIOAvailable()
Function to check if Image IO is available.
af_connectivity
af_connectivity
Definition: defines.h:288
af_err
af_err
Definition: defines.h:71
af::hsv2rgb
AFAPI array hsv2rgb(const array &in)
C++ Interface for converting HSV to RGB.
af::histogram
AFAPI array histogram(const array &in, const unsigned nbins, const double minval, const double maxval)
C++ Interface for histogram.
defines.h
af::transform
AFAPI array transform(const array &in, const array &transform, const dim_t odim0=0, const dim_t odim1=0, const interpType method=AF_INTERP_NEAREST, const bool inverse=true)
C++ Interface for transforming an image.
af::gray2rgb
AFAPI array gray2rgb(const array &in, const float rFactor=1.0, const float gFactor=1.0, const float bFactor=1.0)
C++ Interface for gray to RGB conversion.
af::histEqual
AFAPI array histEqual(const array &in, const array &hist)
C++ Interface for histogram equalization.
af_unwrap
AFAPI af_err af_unwrap(af_array *out, const af_array in, const dim_t wx, const dim_t wy, const dim_t sx, const dim_t sy, const dim_t px, const dim_t py, const bool is_column)
C Interface for rearranging windowed sections of an input into columns (or rows)
f32
@ f32
32-bit floating point values
Definition: defines.h:211
af::confidenceCC
AFAPI array confidenceCC(const array &in, const array &seeds, const unsigned radius, const unsigned multiplier, const int iter, const double segmentedValue)
C++ Interface for confidence connected components.
af::sobel
AFAPI void sobel(array &dx, array &dy, const array &img, const unsigned ker_size=3)
C++ Interface for extracting sobel gradients.
af::skew
AFAPI array skew(const array &in, const float skew0, const float skew1, const dim_t odim0=0, const dim_t odim1=0, const bool inverse=true, const interpType method=AF_INTERP_NEAREST)
C++ Interface for skewing an image.
af_gaussian_kernel
AFAPI af_err af_gaussian_kernel(af_array *out, const int rows, const int cols, const double sigma_r, const double sigma_c)
C Interface generating gaussian kernels.
af_bilateral
AFAPI af_err af_bilateral(af_array *out, const af_array in, const float spatial_sigma, const float chromatic_sigma, const bool isColor)
C Interface for bilateral filter.
af_save_image
AFAPI af_err af_save_image(const char *filename, const af_array in)
C Interface for saving an image.