5 #include <visp3/core/vpImage.h>
6 #include <visp3/gui/vpDisplayGDI.h>
7 #include <visp3/gui/vpDisplayOpenCV.h>
8 #include <visp3/gui/vpDisplayX.h>
9 #include <visp3/io/vpImageIo.h>
11 #if defined(VISP_HAVE_MODULE_IMGPROC)
13 #include <visp3/imgproc/vpImgproc.h>
17 int main(
int argc,
const char **argv)
20 #if defined(VISP_HAVE_MODULE_IMGPROC) && \
21 (defined(VISP_HAVE_X11) || defined(VISP_HAVE_GDI) || defined(VISP_HAVE_OPENCV)) && \
22 (defined(VISP_HAVE_PNG) || defined(VISP_HAVE_OPENCV))
25 std::string input_filename =
"Sample_low_brightness.png";
26 double alpha = 10.0, beta = 50.0;
30 int scale = 240, scaleDiv = 3, level = 0, kernelSize = -1;
33 for (
int i = 1; i < argc; i++) {
34 if (std::string(argv[i]) ==
"--input" && i + 1 < argc) {
35 input_filename = std::string(argv[i + 1]);
37 else if (std::string(argv[i]) ==
"--alpha" && i + 1 < argc) {
38 alpha = atof(argv[i + 1]);
40 else if (std::string(argv[i]) ==
"--beta" && i + 1 < argc) {
41 beta = atof(argv[i + 1]);
43 else if (std::string(argv[i]) ==
"--gamma" && i + 1 < argc) {
44 gamma = atof(argv[i + 1]);
46 else if ((std::string(argv[i]) ==
"--gamma-color-handling") && ((i + 1) < argc)) {
50 else if ((std::string(argv[i]) ==
"--gamma-method") && ((i + 1) < argc)) {
54 else if (std::string(argv[i]) ==
"--scale" && i + 1 < argc) {
55 scale = atoi(argv[i + 1]);
57 else if (std::string(argv[i]) ==
"--scaleDiv" && i + 1 < argc) {
58 scaleDiv = atoi(argv[i + 1]);
60 else if (std::string(argv[i]) ==
"--level" && i + 1 < argc) {
61 level = atoi(argv[i + 1]);
63 else if (std::string(argv[i]) ==
"--kernelSize" && i + 1 < argc) {
64 kernelSize = atoi(argv[i + 1]);
66 else if (std::string(argv[i]) ==
"--dynamic" && i + 1 < argc) {
67 dynamic = atof(argv[i + 1]);
69 else if (std::string(argv[i]) ==
"--help" || std::string(argv[i]) ==
"-h") {
70 std::cout <<
"Usage: " << argv[0]
71 <<
" [--input <input image>]"
72 " [--alpha <alpha for vp::adjust()>] [--beta <beta for "
74 " [--gamma <gamma for vp::gammaCorrection()>]"
77 " [--scale <scale for vp::retinex()> [--scaleDiv for "
79 " [--level <level for vp::retinex()> [--kernelSize "
80 "<kernelSize for vp::retinex()>]"
81 " [--dynamic <dynamic for vp::retinex()>] [--help]"
99 #elif defined(VISP_HAVE_GDI)
102 #elif defined(HAVE_OPENCV_HIGHGUI)
109 vp::adjust(I_color, I_color_adjust, alpha, beta);
112 std::stringstream ss;
113 ss <<
"Sample_low_brightness_alpha=" << alpha <<
"_beta=" << beta <<
".png";
134 vp::gammaCorrection(I_color, I_color_gamma_correction,
static_cast<float>(gamma), colorHandling, method);
138 ss <<
"Sample_low_brightness_gray.png";
148 ss <<
"Sample_low_brightness_gamma=" << gamma <<
".png";
162 ss <<
"Sample_low_brightness_eqHist.png";
172 vp::retinex(I_color, I_color_retinex, scale, scaleDiv, level, dynamic, kernelSize);
177 ss <<
"Sample_low_brightness_scale=" << scale <<
"_scaleDiv=" << scaleDiv <<
"_level=" << level
178 <<
"_dynamic=" << dynamic <<
"_kernelSize=" << kernelSize <<
".png";
Display for windows using GDI (available on any windows 32 platform).
The vpDisplayOpenCV allows to display image using the OpenCV library. Thus to enable this class OpenC...
Use the X11 console to display images on unix-like OS. Thus to enable this class X11 should be instal...
static bool getClick(const vpImage< unsigned char > &I, bool blocking=true)
static void display(const vpImage< unsigned char > &I)
static void flush(const vpImage< unsigned char > &I)
static void displayText(const vpImage< unsigned char > &I, const vpImagePoint &ip, const std::string &s, const vpColor &color)
static void convert(const vpImage< unsigned char > &src, vpImage< vpRGBa > &dest)
static void read(vpImage< unsigned char > &I, const std::string &filename, int backend=IO_DEFAULT_BACKEND)
static void write(const vpImage< unsigned char > &I, const std::string &filename, int backend=IO_DEFAULT_BACKEND)
Class that defines a 2D point in an image. This class is useful for image processing and stores only ...
unsigned int getWidth() const
unsigned int getHeight() const
VISP_EXPORT void adjust(vpImage< unsigned char > &I, double alpha, double beta)
VISP_EXPORT void gammaCorrection(vpImage< unsigned char > &I, const float &gamma, const vpGammaMethod &method=vp::GAMMA_MANUAL, const vpImage< bool > *p_mask=nullptr)
VISP_EXPORT void equalizeHistogram(vpImage< unsigned char > &I, const vpImage< bool > *p_mask=nullptr)
VISP_EXPORT void retinex(vpImage< vpRGBa > &I, int scale=240, int scaleDiv=3, int level=RETINEX_UNIFORM, double dynamic=1.2, int kernelSize=-1)
vpGammaMethod
Gamma Correction automatic methods.
VISP_EXPORT vpGammaColorHandling vpGammaColorHandlingFromString(const std::string &name)
Cast a string into a vp::vpGammaColorHandling.
vpGammaColorHandling
How to handle color images when applying Gamma Correction.
VISP_EXPORT std::string vpGammaColorHandlingList(const std::string &pref="<", const std::string &sep=" , ", const std::string &suf=">")
Get the list of available vpGammaColorHandling.
VISP_EXPORT std::string vpGammaMethodList(const std::string &pref="<", const std::string &sep=" , ", const std::string &suf=">")
Get the list of available vpGammaMethod.
VISP_EXPORT vpGammaMethod vpGammaMethodFromString(const std::string &name)
Cast a string into a vp::vpGammaMethod.