From a9e16d914a5e1247c4149d95afbe8f68ca846a53 Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@gmail.com>
Date: Wed, 23 Sep 2015 00:34:48 +0000
Subject: [PATCH] more writing stuff
---
src/writing.c | 41 +++++++++++++++++++++++++++++++----------
1 files changed, 31 insertions(+), 10 deletions(-)
diff --git a/src/writing.c b/src/writing.c
index e0c1d1a..02d3fcc 100644
--- a/src/writing.c
+++ b/src/writing.c
@@ -19,17 +19,34 @@
load_weights(&net, weightfile);
}
printf("Learning Rate: %g, Momentum: %g, Decay: %g\n", net.learning_rate, net.momentum, net.decay);
- int imgs = 1024;
- int i = *net.seen/imgs;
+ int imgs = net.batch*net.subdivisions;
list *plist = get_paths("figures.list");
char **paths = (char **)list_to_array(plist);
- printf("%d\n", plist->size);
clock_t time;
- while(1){
- ++i;
+ int N = plist->size;
+ printf("N: %d\n", N);
+
+ data train, buffer;
+
+ load_args args = {0};
+ args.w = net.w;
+ args.h = net.h;
+ args.paths = paths;
+ args.n = imgs;
+ args.m = N;
+ args.downsample = 1;
+ args.d = &buffer;
+ args.type = WRITING_DATA;
+
+ pthread_t load_thread = load_data_in_thread(args);
+ int epoch = (*net.seen)/N;
+ while(get_current_batch(net) < net.max_batches || net.max_batches == 0){
time=clock();
- data train = load_data_writing(paths, imgs, plist->size, 256, 256, 1);
+ pthread_join(load_thread, 0);
+ train = buffer;
+ load_thread = load_data_in_thread(args);
printf("Loaded %lf seconds\n",sec(clock()-time));
+
time=clock();
float loss = train_network(net, train);
@@ -51,12 +68,12 @@
if(avg_loss == -1) avg_loss = loss;
avg_loss = avg_loss*.9 + loss*.1;
- printf("%d: %f, %f avg, %lf seconds, %d images\n", i, loss, avg_loss, sec(clock()-time), *net.seen);
+ printf("%d, %.3f: %f, %f avg, %f rate, %lf seconds, %d images\n", get_current_batch(net), (float)(*net.seen)/N, loss, avg_loss, get_current_rate(net), sec(clock()-time), *net.seen);
free_data(train);
- //if(i%100 == 0 && net.learning_rate > .00001) net.learning_rate *= .97;
- if(i%1000==0){
+ if(*net.seen/N > epoch){
+ epoch = *net.seen/N;
char buff[256];
- sprintf(buff, "%s/%s_%d.weights", backup_directory, base, i);
+ sprintf(buff, "%s/%s_%d.weights",backup_directory,base, epoch);
save_weights(net, buff);
}
}
@@ -85,6 +102,10 @@
printf("%s: Predicted in %f seconds.\n", filename, sec(clock()-time));
image pred = get_network_image(net);
+ image t = threshold_image(pred, .2);
+ free_image(pred);
+ pred = t;
+
if (outfile) {
printf("Save image as %s.png (shape: %d %d)\n", outfile, pred.w, pred.h);
save_image(pred, outfile);
--
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