Open Source Computer Vision Library https://opencv.org/
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#include "opencv2/videoio.hpp"
#include "opencv2/highgui.hpp"
#include <iostream>
using namespace cv;
using namespace std;
static bool g_printStreamSetting;
static int g_imageStreamProfileIdx;
static int g_depthStreamProfileIdx;
static bool g_irStreamShow;
static double g_imageBrightness;
static double g_imageContrast;
static bool g_printTiming;
static bool g_showClosedPoint;
static int g_closedDepthPoint[2];
static void printUsage(const char *arg0)
{
const char *filename = arg0;
while (*filename)
filename++;
while ((arg0 <= filename) && ('\\' != *filename) && ('/' != *filename))
filename--;
filename++;
cout << "This program demonstrates usage of camera supported\nby Intel Perceptual computing SDK." << endl << endl;
cout << "usage: " << filename << "[-ps] [-isp=IDX] [-dsp=IDX]\n [-ir] [-imb=VAL] [-imc=VAL]" << endl << endl;
cout << " -ps, print streams setting and profiles" << endl;
cout << " -isp=IDX, set profile index of the image stream" << endl;
cout << " -dsp=IDX, set profile index of the depth stream" << endl;
cout << " -ir, show data from IR stream" << endl;
cout << " -imb=VAL, set brightness value for an image stream" << endl;
cout << " -imc=VAL, set contrast value for a image stream" << endl;
cout << " -pts, print frame index and frame time" << endl;
cout << " --show-closed, print frame index and frame time" << endl;
cout << endl;
}
static void parseCMDLine(int argc, char* argv[])
{
cv::CommandLineParser parser(argc, argv,
"{ h help | | }"
"{ ps print-streams | | }"
"{ isp image-stream-prof | -1 | }"
"{ dsp depth-stream-prof | -1 | }"
"{ir||}{imb||}{imc||}{pts||}{show-closed||}");
if (parser.has("h"))
{
printUsage(argv[0]);
exit(0);
}
g_printStreamSetting = parser.has("ps");
g_imageStreamProfileIdx = parser.get<int>("isp");
g_depthStreamProfileIdx = parser.get<int>("dsp");
g_irStreamShow = parser.has("ir");
if (parser.has("imb"))
g_imageBrightness = parser.get<double>("imb");
else
g_imageBrightness = -DBL_MAX;
if (parser.has("imc"))
g_imageContrast = parser.get<double>("imc");
else
g_imageContrast = -DBL_MAX;
g_printTiming = parser.has("pts");
g_showClosedPoint = parser.has("show-closed");
if (!parser.check())
{
parser.printErrors();
exit(-1);
}
if (g_showClosedPoint && (-1 == g_depthStreamProfileIdx))
{
cerr << "For --show-closed depth profile has be selected" << endl;
exit(-1);
}
}
static void printStreamProperties(VideoCapture &capture)
{
size_t profilesCount = (size_t)capture.get(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_INTELPERC_PROFILE_COUNT);
cout << "Image stream." << endl;
cout << " Brightness = " << capture.get(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_BRIGHTNESS) << endl;
cout << " Contrast = " << capture.get(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_CONTRAST) << endl;
cout << " Saturation = " << capture.get(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_SATURATION) << endl;
cout << " Hue = " << capture.get(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_HUE) << endl;
cout << " Gamma = " << capture.get(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_GAMMA) << endl;
cout << " Sharpness = " << capture.get(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_SHARPNESS) << endl;
cout << " Gain = " << capture.get(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_GAIN) << endl;
cout << " Backligh = " << capture.get(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_BACKLIGHT) << endl;
cout << "Image streams profiles:" << endl;
for (size_t i = 0; i < profilesCount; i++)
{
capture.set(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_INTELPERC_PROFILE_IDX, (double)i);
cout << " Profile[" << i << "]: ";
cout << "width = " <<
(int)capture.get(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_FRAME_WIDTH);
cout << ", height = " <<
(int)capture.get(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_FRAME_HEIGHT);
cout << ", fps = " <<
capture.get(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_FPS);
cout << endl;
}
profilesCount = (size_t)capture.get(CAP_INTELPERC_DEPTH_GENERATOR | CAP_PROP_INTELPERC_PROFILE_COUNT);
cout << "Depth stream." << endl;
cout << " Low confidence value = " << capture.get(CAP_INTELPERC_DEPTH_GENERATOR | CAP_PROP_INTELPERC_DEPTH_LOW_CONFIDENCE_VALUE) << endl;
cout << " Saturation value = " << capture.get(CAP_INTELPERC_DEPTH_GENERATOR | CAP_PROP_INTELPERC_DEPTH_SATURATION_VALUE) << endl;
cout << " Confidence threshold = " << capture.get(CAP_INTELPERC_DEPTH_GENERATOR | CAP_PROP_INTELPERC_DEPTH_CONFIDENCE_THRESHOLD) << endl;
cout << " Focal length = (" << capture.get(CAP_INTELPERC_DEPTH_GENERATOR | CAP_PROP_INTELPERC_DEPTH_FOCAL_LENGTH_HORZ) << ", "
<< capture.get(CAP_INTELPERC_DEPTH_GENERATOR | CAP_PROP_INTELPERC_DEPTH_FOCAL_LENGTH_VERT) << ")" << endl;
cout << "Depth streams profiles:" << endl;
for (size_t i = 0; i < profilesCount; i++)
{
capture.set(CAP_INTELPERC_DEPTH_GENERATOR | CAP_PROP_INTELPERC_PROFILE_IDX, (double)i);
cout << " Profile[" << i << "]: ";
cout << "width = " <<
(int)capture.get(CAP_INTELPERC_DEPTH_GENERATOR | CAP_PROP_FRAME_WIDTH);
cout << ", height = " <<
(int)capture.get(CAP_INTELPERC_DEPTH_GENERATOR | CAP_PROP_FRAME_HEIGHT);
cout << ", fps = " <<
capture.get(CAP_INTELPERC_DEPTH_GENERATOR | CAP_PROP_FPS);
cout << endl;
}
}
static void imshowImage(const char *winname, Mat &image, VideoCapture &capture)
{
if (g_showClosedPoint)
{
Mat uvMap;
if (capture.retrieve(uvMap, CAP_INTELPERC_UVDEPTH_MAP))
{
float *uvmap = (float *)uvMap.ptr() + 2 * (g_closedDepthPoint[0] * uvMap.cols + g_closedDepthPoint[1]);
int x = (int)((*uvmap) * image.cols); uvmap++;
int y = (int)((*uvmap) * image.rows);
if ((0 <= x) && (0 <= y))
{
static const int pointSize = 4;
for (int row = y; row < min(y + pointSize, image.rows); row++)
{
uchar* ptrDst = image.ptr(row) + x * 3 + 2;//+2 -> Red
for (int col = 0; col < min(pointSize, image.cols - x); col++, ptrDst+=3)
{
*ptrDst = 255;
}
}
}
}
}
imshow(winname, image);
}
static void imshowIR(const char *winname, Mat &ir)
{
Mat image;
if (g_showClosedPoint)
{
image.create(ir.rows, ir.cols, CV_8UC3);
for (int row = 0; row < ir.rows; row++)
{
uchar* ptrDst = image.ptr(row);
short* ptrSrc = (short*)ir.ptr(row);
for (int col = 0; col < ir.cols; col++, ptrSrc++)
{
uchar val = (uchar) ((*ptrSrc) >> 2);
*ptrDst = val; ptrDst++;
*ptrDst = val; ptrDst++;
*ptrDst = val; ptrDst++;
}
}
static const int pointSize = 4;
for (int row = g_closedDepthPoint[0]; row < min(g_closedDepthPoint[0] + pointSize, image.rows); row++)
{
uchar* ptrDst = image.ptr(row) + g_closedDepthPoint[1] * 3 + 2;//+2 -> Red
for (int col = 0; col < min(pointSize, image.cols - g_closedDepthPoint[1]); col++, ptrDst+=3)
{
*ptrDst = 255;
}
}
}
else
{
image.create(ir.rows, ir.cols, CV_8UC1);
for (int row = 0; row < ir.rows; row++)
{
uchar* ptrDst = image.ptr(row);
short* ptrSrc = (short*)ir.ptr(row);
for (int col = 0; col < ir.cols; col++, ptrSrc++, ptrDst++)
{
*ptrDst = (uchar) ((*ptrSrc) >> 2);
}
}
}
imshow(winname, image);
}
static void imshowDepth(const char *winname, Mat &depth, VideoCapture &capture)
{
short lowValue = (short)capture.get(CAP_INTELPERC_DEPTH_GENERATOR | CAP_PROP_INTELPERC_DEPTH_LOW_CONFIDENCE_VALUE);
short saturationValue = (short)capture.get(CAP_INTELPERC_DEPTH_GENERATOR | CAP_PROP_INTELPERC_DEPTH_SATURATION_VALUE);
Mat image;
if (g_showClosedPoint)
{
image.create(depth.rows, depth.cols, CV_8UC3);
for (int row = 0; row < depth.rows; row++)
{
uchar* ptrDst = image.ptr(row);
short* ptrSrc = (short*)depth.ptr(row);
for (int col = 0; col < depth.cols; col++, ptrSrc++)
{
if ((lowValue == (*ptrSrc)) || (saturationValue == (*ptrSrc)))
{
*ptrDst = 0; ptrDst++;
*ptrDst = 0; ptrDst++;
*ptrDst = 0; ptrDst++;
}
else
{
uchar val = (uchar) ((*ptrSrc) >> 2);
*ptrDst = val; ptrDst++;
*ptrDst = val; ptrDst++;
*ptrDst = val; ptrDst++;
}
}
}
static const int pointSize = 4;
for (int row = g_closedDepthPoint[0]; row < min(g_closedDepthPoint[0] + pointSize, image.rows); row++)
{
uchar* ptrDst = image.ptr(row) + g_closedDepthPoint[1] * 3 + 2;//+2 -> Red
for (int col = 0; col < min(pointSize, image.cols - g_closedDepthPoint[1]); col++, ptrDst+=3)
{
*ptrDst = 255;
}
}
}
else
{
image.create(depth.rows, depth.cols, CV_8UC1);
for (int row = 0; row < depth.rows; row++)
{
uchar* ptrDst = image.ptr(row);
short* ptrSrc = (short*)depth.ptr(row);
for (int col = 0; col < depth.cols; col++, ptrSrc++, ptrDst++)
{
if ((lowValue == (*ptrSrc)) || (saturationValue == (*ptrSrc)))
*ptrDst = 0;
else
*ptrDst = (uchar) ((*ptrSrc) >> 2);
}
}
}
imshow(winname, image);
}
int main(int argc, char* argv[])
{
parseCMDLine(argc, argv);
VideoCapture capture;
capture.open(CAP_INTELPERC);
if (!capture.isOpened())
{
cerr << "Can not open a capture object." << endl;
return -1;
}
if (g_printStreamSetting)
printStreamProperties(capture);
if (-1 != g_imageStreamProfileIdx)
{
if (!capture.set(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_INTELPERC_PROFILE_IDX, (double)g_imageStreamProfileIdx))
{
cerr << "Can not setup a image stream." << endl;
return -1;
}
}
if (-1 != g_depthStreamProfileIdx)
{
if (!capture.set(CAP_INTELPERC_DEPTH_GENERATOR | CAP_PROP_INTELPERC_PROFILE_IDX, (double)g_depthStreamProfileIdx))
{
cerr << "Can not setup a depth stream." << endl;
return -1;
}
}
else if (g_irStreamShow)
{
if (!capture.set(CAP_INTELPERC_DEPTH_GENERATOR | CAP_PROP_INTELPERC_PROFILE_IDX, 0.0))
{
cerr << "Can not setup a IR stream." << endl;
return -1;
}
}
else
{
cout << "Streams not selected" << endl;
return 0;
}
//Setup additional properties only after set profile of the stream
if ( (-10000.0 < g_imageBrightness) && (g_imageBrightness < 10000.0))
capture.set(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_BRIGHTNESS, g_imageBrightness);
if ( (0 < g_imageContrast) && (g_imageContrast < 10000.0))
capture.set(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_BRIGHTNESS, g_imageContrast);
int frame = 0;
for(;;frame++)
{
Mat bgrImage;
Mat depthImage;
Mat irImage;
if (!capture.grab())
{
cout << "Can not grab images." << endl;
return -1;
}
if ((-1 != g_depthStreamProfileIdx) && (capture.retrieve(depthImage, CAP_INTELPERC_DEPTH_MAP)))
{
if (g_showClosedPoint)
{
double minVal = 0.0; double maxVal = 0.0;
minMaxIdx(depthImage, &minVal, &maxVal, g_closedDepthPoint);
}
imshowDepth("depth image", depthImage, capture);
}
if ((g_irStreamShow) && (capture.retrieve(irImage, CAP_INTELPERC_IR_MAP)))
imshowIR("ir image", irImage);
if ((-1 != g_imageStreamProfileIdx) && (capture.retrieve(bgrImage, CAP_INTELPERC_IMAGE)))
imshowImage("color image", bgrImage, capture);
if (g_printTiming)
{
cout << "Image frame: " << capture.get(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_POS_FRAMES)
<< ", Depth(IR) frame: " << capture.get(CAP_INTELPERC_DEPTH_GENERATOR | CAP_PROP_POS_FRAMES) << endl;
cout << "Image frame: " << capture.get(CAP_INTELPERC_IMAGE_GENERATOR | CAP_PROP_POS_MSEC)
<< ", Depth(IR) frame: " << capture.get(CAP_INTELPERC_DEPTH_GENERATOR | CAP_PROP_POS_MSEC) << endl;
}
if( waitKey(30) >= 0 )
break;
}
return 0;
}