From 228d3663f871d0e4bdee468572eb80141cb4fe3f Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@gmail.com>
Date: Sat, 15 Feb 2014 00:09:07 +0000
Subject: [PATCH] Extracting features from VOC with temp filters
---
src/tests.c | 62 ++++++++++++++++++++++++++++---
1 files changed, 56 insertions(+), 6 deletions(-)
diff --git a/src/tests.c b/src/tests.c
index 09ec7b2..47c9787 100644
--- a/src/tests.c
+++ b/src/tests.c
@@ -366,20 +366,21 @@
void train_VOC()
{
- network net = parse_network_cfg("cfg/voc_backup_ramp_80.cfg");
+ network net = parse_network_cfg("cfg/voc_backup_sig_20.cfg");
srand(2222222);
- int i = 0;
+ 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"};
float lr = .00001;
float momentum = .9;
float decay = 0.01;
while(i++ < 1000 || 1){
- visualize_network(net);
- cvWaitKey(100);
data train = load_data_image_pathfile_random("images/VOC2012/train_paths.txt", 1000, labels, 20, 300, 400);
+
image im = float_to_image(300, 400, 3,train.X.vals[0]);
show_image(im, "input");
+ visualize_network(net);
cvWaitKey(100);
+
normalize_data_rows(train);
clock_t start = clock(), end;
float loss = train_network_sgd(net, train, 1000, lr, momentum, decay);
@@ -388,13 +389,61 @@
free_data(train);
if(i%10==0){
char buff[256];
- sprintf(buff, "cfg/voc_backup_ramp_%d.cfg", i);
+ sprintf(buff, "cfg/voc_backup_sig_%d.cfg", i);
save_network(net, buff);
}
//lr *= .99;
}
}
+void features_VOC()
+{
+ int i,j;
+ 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){
+ char *path = (char *)n->val;
+ char buff[1024];
+ sprintf(buff, "%s%s.txt",out_dir, path);
+ FILE *fp = fopen(buff, "w");
+ if(fp == 0) file_error(buff);
+
+ IplImage* src = 0;
+ if( (src = cvLoadImage(path,-1)) == 0 )
+ {
+ printf("Cannot load file image %s\n", path);
+ exit(0);
+ }
+
+ 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);
+ 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);
+ }
+ fclose(fp);
+ n = n->next;
+ }
+}
+
int main()
{
//feenableexcept(FE_DIVBYZERO | FE_INVALID | FE_OVERFLOW);
@@ -406,7 +455,8 @@
//test_ensemble();
//test_nist();
//test_full();
- train_VOC();
+ //train_VOC();
+ features_VOC();
//test_random_preprocess();
//test_random_classify();
//test_parser();
--
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