Increased speed for high res video 4K (3840 x 2026) 30-40 FPS.

This commit is contained in:
AlexeyAB 2017-06-30 18:59:08 +03:00
parent f9b306bd12
commit 42d06a7485
2 changed files with 135 additions and 12 deletions

View File

@ -38,15 +38,26 @@ static float demo_thresh = 0;
static float *predictions[FRAMES];
static int demo_index = 0;
static image images[FRAMES];
static IplImage* ipl_images[FRAMES];
static float *avg;
void draw_detections_cv(IplImage* show_img, int num, float thresh, box *boxes, float **probs, char **names, image **alphabet, int classes);
image get_image_from_stream_resize(CvCapture *cap, int w, int h, IplImage** in_img);
IplImage* in_img;
IplImage* det_img;
IplImage* show_img;
void *fetch_in_thread(void *ptr)
{
in = get_image_from_stream(cap);
//in = get_image_from_stream(cap);
in = get_image_from_stream_resize(cap, net.w, net.h, &in_img);
if(!in.data){
error("Stream closed.");
}
in_s = resize_image(in, net.w, net.h);
//in_s = resize_image(in, net.w, net.h);
in_s = make_image(in.w, in.h, in.c);
memcpy(in_s.data, in.data, in.h*in.w*in.c*sizeof(float));
return 0;
}
@ -78,11 +89,14 @@ void *detect_in_thread(void *ptr)
images[demo_index] = det;
det = images[(demo_index + FRAMES/2 + 1)%FRAMES];
ipl_images[demo_index] = det_img;
det_img = ipl_images[(demo_index + FRAMES / 2 + 1) % FRAMES];
demo_index = (demo_index + 1)%FRAMES;
//draw_detections(det, l.w*l.h*l.n, demo_thresh, boxes, probs, demo_names, demo_alphabet, demo_classes);
draw_detections_cv(det_img, l.w*l.h*l.n, demo_thresh, boxes, probs, demo_names, demo_alphabet, demo_classes);
draw_detections(det, l.w*l.h*l.n, demo_thresh, boxes, probs, demo_names, demo_alphabet, demo_classes);
return 0;
return 0;
}
double get_wall_time()
@ -136,12 +150,14 @@ void demo(char *cfgfile, char *weightfile, float thresh, int cam_index, const ch
pthread_t detect_thread;
fetch_in_thread(0);
det_img = in_img;
det = in;
det_s = in_s;
fetch_in_thread(0);
detect_in_thread(0);
disp = det;
det_img = in_img;
det = in;
det_s = in_s;
@ -149,6 +165,7 @@ void demo(char *cfgfile, char *weightfile, float thresh, int cam_index, const ch
fetch_in_thread(0);
detect_in_thread(0);
disp = det;
det_img = in_img;
det = in;
det_s = in_s;
}
@ -168,8 +185,9 @@ void demo(char *cfgfile, char *weightfile, float thresh, int cam_index, const ch
if(pthread_create(&fetch_thread, 0, fetch_in_thread, 0)) error("Thread creation failed");
if(pthread_create(&detect_thread, 0, detect_in_thread, 0)) error("Thread creation failed");
if(!prefix){
show_image(disp, "Demo");
if(!prefix){
//show_image(disp, "Demo");
show_image_cv_ipl(show_img, "Demo");
int c = cvWaitKey(1);
if (c == 10){
if(frame_skip == 0) frame_skip = 60;
@ -189,11 +207,14 @@ void demo(char *cfgfile, char *weightfile, float thresh, int cam_index, const ch
if(delay == 0){
free_image(disp);
disp = det;
show_img = det_img;
}
det_img = in_img;
det = in;
det_s = in_s;
}else {
fetch_in_thread(0);
det_img = in_img;
det = in;
det_s = in_s;
detect_in_thread(0);

View File

@ -226,6 +226,78 @@ void draw_detections(image im, int num, float thresh, box *boxes, float **probs,
}
}
#ifdef OPENCV
void draw_detections_cv(IplImage* show_img, int num, float thresh, box *boxes, float **probs, char **names, image **alphabet, int classes)
{
int i;
for (i = 0; i < num; ++i) {
int class = max_index(probs[i], classes);
float prob = probs[i][class];
if (prob > thresh) {
int width = show_img->height * .012;
if (0) {
width = pow(prob, 1. / 2.) * 10 + 1;
alphabet = 0;
}
printf("%s: %.0f%%\n", names[class], prob * 100);
int offset = class * 123457 % classes;
float red = get_color(2, offset, classes);
float green = get_color(1, offset, classes);
float blue = get_color(0, offset, classes);
float rgb[3];
//width = prob*20+2;
rgb[0] = red;
rgb[1] = green;
rgb[2] = blue;
box b = boxes[i];
int left = (b.x - b.w / 2.)*show_img->width;
int right = (b.x + b.w / 2.)*show_img->width;
int top = (b.y - b.h / 2.)*show_img->height;
int bot = (b.y + b.h / 2.)*show_img->height;
if (left < 0) left = 0;
if (right > show_img->width - 1) right = show_img->width - 1;
if (top < 0) top = 0;
if (bot > show_img->height - 1) bot = show_img->height - 1;
float const font_size = show_img->height / 1000.F;
CvPoint pt1, pt2, pt_text, pt_text_bg1, pt_text_bg2;
pt1.x = left;
pt1.y = top;
pt2.x = right;
pt2.y = bot;
pt_text.x = left;
pt_text.y = top - 12;
pt_text_bg1.x = left;
pt_text_bg1.y = top - (10+25*font_size);
pt_text_bg2.x = right;
pt_text_bg2.y = top;
CvScalar color;
color.val[0] = red * 256;
color.val[1] = green * 256;
color.val[2] = blue * 256;
cvRectangle(show_img, pt1, pt2, color, width, 8, 0);
cvRectangle(show_img, pt_text_bg1, pt_text_bg2, color, width, 8, 0);
cvRectangle(show_img, pt_text_bg1, pt_text_bg2, color, CV_FILLED, 8, 0); // filled
CvScalar black_color;
black_color.val[0] = 0;
CvFont font;
cvInitFont(&font, CV_FONT_HERSHEY_COMPLEX, font_size, font_size, 0, font_size*3, 8);
cvPutText(show_img, names[class], pt_text, &font, black_color);
}
}
}
#endif
void transpose_image(image im)
{
assert(im.w == im.h);
@ -438,28 +510,44 @@ void show_image_cv(image p, const char *name)
}
cvShowImage(buff, disp);
cvReleaseImage(&disp);
}
void show_image_cv_ipl(IplImage *disp, const char *name)
{
if (disp == NULL) return;
char buff[256];
//sprintf(buff, "%s (%d)", name, windows);
sprintf(buff, "%s", name);
cvNamedWindow(buff, CV_WINDOW_NORMAL);
//cvMoveWindow(buff, 100*(windows%10) + 200*(windows/10), 100*(windows%10));
++windows;
cvShowImage(buff, disp);
{
CvSize size;
{
size.width = disp->width, size.height = disp->height;
}
static CvVideoWriter* output_video = NULL; // cv::VideoWriter output_video;
if (output_video == NULL)
{
printf("\n SRC output_video = %p \n", output_video);
//printf("\n SRC output_video = %p \n", output_video);
const char* output_name = "test_dnn_out.avi";
//output_video = cvCreateVideoWriter(output_name, CV_FOURCC('H', '2', '6', '4'), 25, size, 1);
output_video = cvCreateVideoWriter(output_name, CV_FOURCC('D', 'I', 'V', 'X'), 25, size, 1);
//output_video = cvCreateVideoWriter(output_name, CV_FOURCC('M', 'J', 'P', 'G'), 25, size, 1);
printf("\n cvCreateVideoWriter, DST output_video = %p \n", output_video);
//printf("\n cvCreateVideoWriter, DST output_video = %p \n", output_video);
}
cvWriteFrame(output_video, disp);
//cvWriteFrame(output_video, disp); // comment this line to improve FPS !!!
printf("\n cvWriteFrame \n");
}
cvReleaseImage(&disp);
cvReleaseImage(&disp);
}
#endif
@ -530,6 +618,20 @@ image get_image_from_stream(CvCapture *cap)
return im;
}
image get_image_from_stream_resize(CvCapture *cap, int w, int h, IplImage** in_img)
{
IplImage* src = cvQueryFrame(cap);
if (!src) return make_empty_image(0, 0, 0);
IplImage* new_img = cvCreateImage(cvSize(w, h), IPL_DEPTH_8U, 3);
*in_img = cvCreateImage(cvSize(src->width, src->height), IPL_DEPTH_8U, 3);
cvResize(src, *in_img, CV_INTER_LINEAR);
cvResize(src, new_img, CV_INTER_LINEAR);
src = new_img;
image im = ipl_to_image(src);
rgbgr_image(im);
return im;
}
void save_image_jpg(image p, const char *name)
{
image copy = copy_image(p);