From 726cebd3fb67d65ec6d2d49fa6bfba4c053085df Mon Sep 17 00:00:00 2001
From: AlexeyAB <alexeyab84@gmail.com>
Date: Mon, 02 Apr 2018 12:02:53 +0000
Subject: [PATCH] Fixed detector recall
---
src/demo.c | 38 +++++++++++++++++++++++++++++---------
1 files changed, 29 insertions(+), 9 deletions(-)
diff --git a/src/demo.c b/src/demo.c
index 376ddea..2337a0a 100644
--- a/src/demo.c
+++ b/src/demo.c
@@ -39,6 +39,7 @@
static image det_s;
static image disp = {0};
static CvCapture * cap;
+static int use_webcam = 0;
static float fps = 0;
static float demo_thresh = 0;
@@ -49,8 +50,9 @@
static float *avg;
void draw_detections_cv(IplImage* show_img, int num, float thresh, box *boxes, float **probs, char **names, image **alphabet, int classes);
+void draw_detections_cv_v3(IplImage* show_img, detection *dets, int num, float thresh, char **names, image **alphabet, int classes);
void show_image_cv_ipl(IplImage *disp, const char *name);
-image get_image_from_stream_resize(CvCapture *cap, int w, int h, IplImage** in_img);
+image get_image_from_stream_resize(CvCapture *cap, int w, int h, IplImage** in_img, int use_webcam);
IplImage* in_img;
IplImage* det_img;
IplImage* show_img;
@@ -60,11 +62,12 @@
void *fetch_in_thread(void *ptr)
{
//in = get_image_from_stream(cap);
- in = get_image_from_stream_resize(cap, net.w, net.h, &in_img);
+ in = get_image_from_stream_resize(cap, net.w, net.h, &in_img, use_webcam);
if(!in.data){
//error("Stream closed.");
+ printf("Stream closed.\n");
flag_exit = 1;
- return;
+ return EXIT_FAILURE;
}
//in_s = resize_image(in, net.w, net.h);
in_s = make_image(in.w, in.h, in.c);
@@ -75,7 +78,7 @@
void *detect_in_thread(void *ptr)
{
- float nms = .4;
+ float nms = .45; // 0.4F
layer l = net.layers[net.n-1];
float *X = det_s.data;
@@ -86,6 +89,7 @@
l.output = avg;
free_image(det_s);
+ /*
if(l.type == DETECTION){
get_detection_boxes(l, 1, 1, demo_thresh, probs, boxes, 0);
} else if (l.type == REGION){
@@ -94,6 +98,12 @@
error("Last layer must produce detections\n");
}
if (nms > 0) do_nms(boxes, probs, l.w*l.h*l.n, l.classes, nms);
+ */
+ int letter = 0;
+ int nboxes = 0;
+ detection *dets = get_network_boxes(&net, det.w, det.h, demo_thresh, demo_thresh, 0, 1, &nboxes, letter);
+ if (nms) do_nms_obj_v3(dets, nboxes, l.classes, nms);
+
printf("\033[2J");
printf("\033[1;1H");
printf("\nFPS:%.1f\n",fps);
@@ -106,7 +116,9 @@
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_cv_v3(det_img, dets, nboxes, demo_thresh, 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);
+ free(dets);
return 0;
}
@@ -120,7 +132,7 @@
return (double)time.tv_sec + (double)time.tv_usec * .000001;
}
-void demo(char *cfgfile, char *weightfile, float thresh, int cam_index, const char *filename, char **names, int classes,
+void demo(char *cfgfile, char *weightfile, float thresh, float hier_thresh, int cam_index, const char *filename, char **names, int classes,
int frame_skip, char *prefix, char *out_filename, int http_stream_port, int dont_show)
{
//skip = frame_skip;
@@ -143,7 +155,13 @@
printf("video file: %s\n", filename);
cap = cvCaptureFromFile(filename);
}else{
+ printf("Webcam index: %d\n", cam_index);
+#ifdef CV_VERSION_EPOCH // OpenCV 2.x
cap = cvCaptureFromCAM(cam_index);
+#else // OpenCV 3.x
+ use_webcam = 1;
+ cap = get_capture_webcam(cam_index);
+#endif
}
if(!cap) error("Couldn't connect to webcam.\n");
@@ -159,6 +177,8 @@
probs = (float **)calloc(l.w*l.h*l.n, sizeof(float *));
for(j = 0; j < l.w*l.h*l.n; ++j) probs[j] = (float *)calloc(l.classes, sizeof(float *));
+ flag_exit = 0;
+
pthread_t fetch_thread;
pthread_t detect_thread;
@@ -191,7 +211,7 @@
}
CvVideoWriter* output_video_writer = NULL; // cv::VideoWriter output_video;
- if (out_filename)
+ if (out_filename && !flag_exit)
{
CvSize size;
size.width = det_img->width, size.height = det_img->height;
@@ -205,7 +225,6 @@
//output_video_writer = cvCreateVideoWriter(out_filename, CV_FOURCC('X', 'V', 'I', 'D'), 25, size, 1);
//output_video_writer = cvCreateVideoWriter(out_filename, CV_FOURCC('W', 'M', 'V', '2'), 25, size, 1);
}
- flag_exit = 0;
double before = get_wall_time();
@@ -294,7 +313,8 @@
}
}
#else
-void demo(char *cfgfile, char *weightfile, float thresh, int cam_index, const char *filename, char **names, int classes, int frame_skip, char *prefix, char *out_filename, int http_stream_port, int dont_show)
+void demo(char *cfgfile, char *weightfile, float thresh, float hier_thresh, int cam_index, const char *filename, char **names, int classes,
+ int frame_skip, char *prefix, char *out_filename, int http_stream_port, int dont_show)
{
fprintf(stderr, "Demo needs OpenCV for webcam images.\n");
}
--
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