From 42d06a74855c7fae94a86d2da989239d1e1c17ee Mon Sep 17 00:00:00 2001
From: AlexeyAB <alexeyab84@gmail.com>
Date: Fri, 30 Jun 2017 16:00:36 +0000
Subject: [PATCH] Increased speed for high res video 4K (3840 x 2026) 30-40 FPS.
---
src/image.c | 112 +++++++++++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 107 insertions(+), 5 deletions(-)
diff --git a/src/image.c b/src/image.c
index d090cc7..3a7193a 100644
--- a/src/image.c
+++ b/src/image.c
@@ -226,6 +226,78 @@
}
}
+#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 @@
}
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 @@
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);
--
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