From 481b57a96a9ef29b112caec1bb3e17ffb043ceae Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@gmail.com>
Date: Sun, 25 Sep 2016 06:12:54 +0000
Subject: [PATCH] So I have this new programming paradigm.......
---
src/image.c | 190 +++++++++++++++++++++++++++++++++--------------
1 files changed, 133 insertions(+), 57 deletions(-)
diff --git a/src/image.c b/src/image.c
index 21c2f8b..09718fb 100644
--- a/src/image.c
+++ b/src/image.c
@@ -10,6 +10,12 @@
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include "stb_image_write.h"
+#ifdef OPENCV
+#include "opencv2/highgui/highgui_c.h"
+#include "opencv2/imgproc/imgproc_c.h"
+#endif
+
+
int windows = 0;
float colors[6][3] = { {1,0,1}, {0,0,1},{0,1,1},{0,1,0},{1,1,0},{1,0,0} };
@@ -25,10 +31,66 @@
return r;
}
+void composite_image(image source, image dest, int dx, int dy)
+{
+ int x,y,k;
+ for(k = 0; k < source.c; ++k){
+ for(y = 0; y < source.h; ++y){
+ for(x = 0; x < source.w; ++x){
+ float val = get_pixel(source, x, y, k);
+ float val2 = get_pixel_extend(dest, dx+x, dy+y, k);
+ set_pixel(dest, dx+x, dy+y, k, val * val2);
+ }
+ }
+ }
+}
+
+image border_image(image a, int border)
+{
+ image b = make_image(a.w + 2*border, a.h + 2*border, a.c);
+ int x,y,k;
+ for(k = 0; k < b.c; ++k){
+ for(y = 0; y < b.h; ++y){
+ for(x = 0; x < b.w; ++x){
+ float val = get_pixel_extend(a, x - border, y - border, k);
+ set_pixel(b, x, y, k, val);
+ }
+ }
+ }
+ return b;
+}
+
+image tile_images(image a, image b, int dx)
+{
+ if(a.w == 0) return copy_image(b);
+ image c = make_image(a.w + b.w + dx, (a.h > b.h) ? a.h : b.h, (a.c > b.c) ? a.c : b.c);
+ fill_cpu(c.w*c.h*c.c, 1, c.data, 1);
+ embed_image(a, c, 0, 0);
+ composite_image(b, c, a.w + dx, 0);
+ return c;
+}
+
+image get_label(image *characters, char *string)
+{
+ image label = make_empty_image(0,0,0);
+ while(*string){
+ image l = characters[(int)*string];
+ image n = tile_images(label, l, -4);
+ free_image(label);
+ label = n;
+ ++string;
+ }
+ image b = border_image(label, label.h*.25);
+ free_image(label);
+ return b;
+}
+
void draw_label(image a, int r, int c, image label, const float *rgb)
{
float ratio = (float) label.w / label.h;
- int h = label.h;
+ int h = a.h * .04;
+ h = label.h;
+ h = a.h * .06;
int w = ratio * h;
image rl = resize_image(label, w, h);
if (r - h >= 0) r = r - h;
@@ -102,7 +164,19 @@
}
}
-void draw_detections(image im, int num, float thresh, box *boxes, float **probs, char **names, image *labels, int classes)
+image *load_alphabet()
+{
+ int i;
+ image *alphabet = calloc(128, sizeof(image));
+ for(i = 32; i < 127; ++i){
+ char buff[256];
+ sprintf(buff, "data/labels/%d.png", i);
+ alphabet[i] = load_image_color(buff, 0, 0);
+ }
+ return alphabet;
+}
+
+void draw_detections(image im, int num, float thresh, box *boxes, float **probs, char **names, image *alphabet, int classes)
{
int i;
@@ -111,7 +185,7 @@
float prob = probs[i][class];
if(prob > thresh){
//int width = pow(prob, 1./2.)*30+1;
- int width = 8;
+ int width = im.h * .012;
printf("%s: %.0f%%\n", names[class], prob*100);
int offset = class*1 % classes;
float red = get_color(2,offset,classes);
@@ -137,7 +211,10 @@
if(bot > im.h-1) bot = im.h-1;
draw_box_width(im, left, top, right, bot, width, red, green, blue);
- if (labels) draw_label(im, top + width, left, labels[class], rgb);
+ if (alphabet) {
+ image label = get_label(alphabet, names[class]);
+ draw_label(im, top + width, left, label, rgb);
+ }
}
}
}
@@ -368,6 +445,53 @@
}
#ifdef OPENCV
+
+image ipl_to_image(IplImage* src)
+{
+ unsigned char *data = (unsigned char *)src->imageData;
+ int h = src->height;
+ int w = src->width;
+ int c = src->nChannels;
+ int step = src->widthStep;
+ image out = make_image(w, h, c);
+ int i, j, k, count=0;;
+
+ for(k= 0; k < c; ++k){
+ for(i = 0; i < h; ++i){
+ for(j = 0; j < w; ++j){
+ out.data[count++] = data[i*step + j*c + k]/255.;
+ }
+ }
+ }
+ return out;
+}
+
+image load_image_cv(char *filename, int channels)
+{
+ IplImage* src = 0;
+ int flag = -1;
+ if (channels == 0) flag = -1;
+ else if (channels == 1) flag = 0;
+ else if (channels == 3) flag = 1;
+ else {
+ fprintf(stderr, "OpenCV can't force load with %d channels\n", channels);
+ }
+
+ if( (src = cvLoadImage(filename, flag)) == 0 )
+ {
+ fprintf(stderr, "Cannot load image \"%s\"\n", filename);
+ char buff[256];
+ sprintf(buff, "echo %s >> bad.list", filename);
+ system(buff);
+ return make_image(10,10,3);
+ //exit(0);
+ }
+ image out = ipl_to_image(src);
+ cvReleaseImage(&src);
+ rgbgr_image(out);
+ return out;
+}
+
image get_image_from_stream(CvCapture *cap)
{
IplImage* src = cvQueryFrame(cap);
@@ -376,9 +500,7 @@
rgbgr_image(im);
return im;
}
-#endif
-#ifdef OPENCV
void save_image_jpg(image p, const char *name)
{
image copy = copy_image(p);
@@ -980,7 +1102,7 @@
image aug = random_augment_image(im, 0, 320, 448, 320, .75);
show_image(aug, "aug");
free_image(aug);
-
+
float exposure = 1.15;
float saturation = 1.15;
@@ -1001,55 +1123,6 @@
#endif
}
-#ifdef OPENCV
-image ipl_to_image(IplImage* src)
-{
- unsigned char *data = (unsigned char *)src->imageData;
- int h = src->height;
- int w = src->width;
- int c = src->nChannels;
- int step = src->widthStep;
- image out = make_image(w, h, c);
- int i, j, k, count=0;;
-
- for(k= 0; k < c; ++k){
- for(i = 0; i < h; ++i){
- for(j = 0; j < w; ++j){
- out.data[count++] = data[i*step + j*c + k]/255.;
- }
- }
- }
- return out;
-}
-
-image load_image_cv(char *filename, int channels)
-{
- IplImage* src = 0;
- int flag = -1;
- if (channels == 0) flag = -1;
- else if (channels == 1) flag = 0;
- else if (channels == 3) flag = 1;
- else {
- fprintf(stderr, "OpenCV can't force load with %d channels\n", channels);
- }
-
- if( (src = cvLoadImage(filename, flag)) == 0 )
- {
- fprintf(stderr, "Cannot load image \"%s\"\n", filename);
- char buff[256];
- sprintf(buff, "echo %s >> bad.list", filename);
- system(buff);
- return make_image(10,10,3);
- //exit(0);
- }
- image out = ipl_to_image(src);
- cvReleaseImage(&src);
- rgbgr_image(out);
- return out;
-}
-
-#endif
-
image load_image_stb(char *filename, int channels)
{
@@ -1122,6 +1195,7 @@
}
void set_pixel(image m, int x, int y, int c, float val)
{
+ if (x < 0 || y < 0 || c < 0 || x >= m.w || y >= m.h || c >= m.c) return;
assert(x < m.w && y < m.h && c < m.c);
m.data[c*m.h*m.w + y*m.w + x] = val;
}
@@ -1247,5 +1321,7 @@
void free_image(image m)
{
- free(m.data);
+ if(m.data){
+ free(m.data);
+ }
}
--
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