From 43424a343ac6db51e0e5404ec5910dbded31c693 Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@gmail.com>
Date: Tue, 18 Feb 2014 07:32:18 +0000
Subject: [PATCH] VOC Features Code complete?
---
src/tests.c | 99 ++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 77 insertions(+), 22 deletions(-)
diff --git a/src/tests.c b/src/tests.c
index 47c9787..07f5287 100644
--- a/src/tests.c
+++ b/src/tests.c
@@ -366,7 +366,7 @@
void train_VOC()
{
- network net = parse_network_cfg("cfg/voc_backup_sig_20.cfg");
+ network net = parse_network_cfg("cfg/voc_start.cfg");
srand(2222222);
int i = 20;
char *labels[] = {"aeroplane","bicycle","bird","boat","bottle","bus","car","cat","chair","cow","diningtable","dog","horse","motorbike","person","pottedplant","sheep","sofa","train","tvmonitor"};
@@ -374,7 +374,7 @@
float momentum = .9;
float decay = 0.01;
while(i++ < 1000 || 1){
- data train = load_data_image_pathfile_random("images/VOC2012/train_paths.txt", 1000, labels, 20, 300, 400);
+ data train = load_data_image_pathfile_random("images/VOC2012/val_paths.txt", 1000, labels, 20, 300, 400);
image im = float_to_image(300, 400, 3,train.X.vals[0]);
show_image(im, "input");
@@ -389,25 +389,56 @@
free_data(train);
if(i%10==0){
char buff[256];
- sprintf(buff, "cfg/voc_backup_sig_%d.cfg", i);
+ sprintf(buff, "cfg/voc_clean_ramp_%d.cfg", i);
save_network(net, buff);
}
//lr *= .99;
}
}
-void features_VOC()
+int voc_size(int x)
{
- int i,j;
+ x = x-1+3;
+ x = x-1+3;
+ x = (x-1)*2+1;
+ x = x-1+5;
+ x = (x-1)*2+1;
+ x = (x-1)*4+11;
+ return x;
+}
+
+image features_output_size(network net, IplImage *src, int outh, int outw)
+{
+ int h = voc_size(outh);
+ int w = voc_size(outw);
+
+ IplImage *sized = cvCreateImage(cvSize(w,h), src->depth, src->nChannels);
+ cvResize(src, sized, CV_INTER_LINEAR);
+ image im = ipl_to_image(sized);
+ reset_network_size(net, im.h, im.w, im.c);
+ forward_network(net, im.data);
+ image out = get_network_image_layer(net, 5);
+ //printf("%d %d\n%d %d\n", outh, out.h, outw, out.w);
+ free_image(im);
+ cvReleaseImage(&sized);
+ return copy_image(out);
+}
+
+void features_VOC(int part, int total)
+{
+ int i,j, count = 0;
network net = parse_network_cfg("cfg/voc_features.cfg");
char *path_file = "images/VOC2012/all_paths.txt";
char *out_dir = "voc_features/";
list *paths = get_paths(path_file);
node *n = paths->front;
- while(n){
+ int size = paths->size;
+ for(count = 0; count < part*size/total; ++count) n = n->next;
+ while(n && count++ < (part+1)*size/total){
char *path = (char *)n->val;
char buff[1024];
sprintf(buff, "%s%s.txt",out_dir, path);
+ printf("%s\n", path);
FILE *fp = fopen(buff, "w");
if(fp == 0) file_error(buff);
@@ -417,35 +448,59 @@
printf("Cannot load file image %s\n", path);
exit(0);
}
+ int w = src->width;
+ int h = src->height;
+ int sbin = 8;
+ int interval = 10;
+ double scale = pow(2., 1./interval);
+ int m = (w<h)?w:h;
+ int max_scale = 1+floor((double)log((double)m/(5.*sbin))/log(scale));
+ image *ims = calloc(max_scale+interval, sizeof(image));
- for(i = 0; i < 10; ++i){
- int w = 1024 - 90*i; //PICKED WITH CAREFUL CROSS-VALIDATION!!!!
- int h = (int)((double)w/src->width * src->height);
- IplImage *sized = cvCreateImage(cvSize(w,h), src->depth, src->nChannels);
- cvResize(src, sized, CV_INTER_LINEAR);
- image im = ipl_to_image(sized);
- reset_network_size(net, im.h, im.w, im.c);
- forward_network(net, im.data);
- free_image(im);
- image out = get_network_image_layer(net, 5);
+ for(i = 0; i < interval; ++i){
+ double factor = 1./pow(scale, i);
+ double ih = round(h*factor);
+ double iw = round(w*factor);
+ int ex_h = round(ih/4.) - 2;
+ int ex_w = round(iw/4.) - 2;
+ ims[i] = features_output_size(net, src, ex_h, ex_w);
+
+ ih = round(h*factor);
+ iw = round(w*factor);
+ ex_h = round(ih/8.) - 2;
+ ex_w = round(iw/8.) - 2;
+ ims[i+interval] = features_output_size(net, src, ex_h, ex_w);
+ for(j = i+interval; j < max_scale; j += interval){
+ factor /= 2.;
+ ih = round(h*factor);
+ iw = round(w*factor);
+ ex_h = round(ih/8.) - 2;
+ ex_w = round(iw/8.) - 2;
+ ims[j+interval] = features_output_size(net, src, ex_h, ex_w);
+ }
+ }
+ for(i = 0; i < max_scale+interval; ++i){
+ image out = ims[i];
+ //printf("%d, %d\n", out.h, out.w);
fprintf(fp, "%d, %d, %d\n",out.c, out.h, out.w);
for(j = 0; j < out.c*out.h*out.w; ++j){
if(j != 0)fprintf(fp, ",");
fprintf(fp, "%g", out.data[j]);
}
fprintf(fp, "\n");
- out.c = 1;
- show_image(out, "output");
- cvWaitKey(10);
- cvReleaseImage(&sized);
+ free_image(out);
}
+ free(ims);
fclose(fp);
+ cvReleaseImage(&src);
n = n->next;
}
}
-int main()
+int main(int argc, char *argv[])
{
+ int part = atoi(argv[1]);
+ int total = atoi(argv[2]);
//feenableexcept(FE_DIVBYZERO | FE_INVALID | FE_OVERFLOW);
//test_blas();
@@ -456,7 +511,7 @@
//test_nist();
//test_full();
//train_VOC();
- features_VOC();
+ features_VOC(part, total);
//test_random_preprocess();
//test_random_classify();
//test_parser();
--
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