From 8fd18add6e060a433629fae3fa2a7ef75df4644e Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@gmail.com>
Date: Wed, 04 Nov 2015 03:23:42 +0000
Subject: [PATCH] CVPR Experiments
---
src/region_layer.c | 91 +++++++++++++++++++++++++++++++++++++++------
1 files changed, 79 insertions(+), 12 deletions(-)
diff --git a/src/region_layer.c b/src/region_layer.c
index ecb89c6..3fff22b 100644
--- a/src/region_layer.c
+++ b/src/region_layer.c
@@ -57,10 +57,33 @@
activate_array(l.output + index + offset, locations*l.n*(1+l.coords), LOGISTIC);
}
}
+ if (l.object_logistic) {
+ for(b = 0; b < l.batch; ++b){
+ int index = b*l.inputs;
+ int p_index = index + locations*l.classes;
+ activate_array(l.output + p_index, locations*l.n, LOGISTIC);
+ }
+ }
+
+ if (l.coord_logistic) {
+ for(b = 0; b < l.batch; ++b){
+ int index = b*l.inputs;
+ int coord_index = index + locations*(l.classes + l.n);
+ activate_array(l.output + coord_index, locations*l.n*l.coords, LOGISTIC);
+ }
+ }
+
+ if (l.class_logistic) {
+ for(b = 0; b < l.batch; ++b){
+ int class_index = b*l.inputs;
+ activate_array(l.output + class_index, locations*l.classes, LOGISTIC);
+ }
+ }
if(state.train){
float avg_iou = 0;
float avg_cat = 0;
+ float avg_allcat = 0;
float avg_obj = 0;
float avg_anyobj = 0;
int count = 0;
@@ -81,15 +104,18 @@
int best_index = -1;
float best_iou = 0;
- float best_rmse = 4;
+ float best_rmse = 20;
- if (!is_obj) continue;
+ if (!is_obj){
+ continue;
+ }
int class_index = index + i*l.classes;
for(j = 0; j < l.classes; ++j) {
l.delta[class_index+j] = l.class_scale * (state.truth[truth_index+1+j] - l.output[class_index+j]);
*(l.cost) += l.class_scale * pow(state.truth[truth_index+1+j] - l.output[class_index+j], 2);
if(state.truth[truth_index + 1 + j]) avg_cat += l.output[class_index+j];
+ avg_allcat += l.output[class_index+j];
}
box truth = float_to_box(state.truth + truth_index + 1 + l.classes);
@@ -108,6 +134,7 @@
}
float iou = box_iou(out, truth);
+ //iou = 0;
float rmse = box_rmse(out, truth);
if(best_iou > 0 || iou > 0){
if(iou > best_iou){
@@ -121,18 +148,38 @@
}
}
}
- int p_index = index + locations*l.classes + i*l.n + best_index;
- *(l.cost) -= l.noobject_scale * pow(l.output[p_index], 2);
- *(l.cost) += l.object_scale * pow(1-l.output[p_index], 2);
- avg_obj += l.output[p_index];
- l.delta[p_index+0] = l.object_scale * (1.-l.output[p_index]);
- if(l.rescore){
- l.delta[p_index+0] = l.object_scale * (best_iou - l.output[p_index]);
+ if(l.forced){
+ if(truth.w*truth.h < .1){
+ best_index = 1;
+ }else{
+ best_index = 0;
+ }
}
int box_index = index + locations*(l.classes + l.n) + (i*l.n + best_index) * l.coords;
int tbox_index = truth_index + 1 + l.classes;
+
+ box out = float_to_box(l.output + box_index);
+ out.x /= l.side;
+ out.y /= l.side;
+ if (l.sqrt) {
+ out.w = out.w*out.w;
+ out.h = out.h*out.h;
+ }
+ float iou = box_iou(out, truth);
+
+ //printf("%d", best_index);
+ int p_index = index + locations*l.classes + i*l.n + best_index;
+ *(l.cost) -= l.noobject_scale * pow(l.output[p_index], 2);
+ *(l.cost) += l.object_scale * pow(1-l.output[p_index], 2);
+ avg_obj += l.output[p_index];
+ l.delta[p_index] = l.object_scale * (1.-l.output[p_index]);
+
+ if(l.rescore){
+ l.delta[p_index] = l.object_scale * (iou - l.output[p_index]);
+ }
+
l.delta[box_index+0] = l.coord_scale*(state.truth[tbox_index + 0] - l.output[box_index + 0]);
l.delta[box_index+1] = l.coord_scale*(state.truth[tbox_index + 1] - l.output[box_index + 1]);
l.delta[box_index+2] = l.coord_scale*(state.truth[tbox_index + 2] - l.output[box_index + 2]);
@@ -142,16 +189,31 @@
l.delta[box_index+3] = l.coord_scale*(sqrt(state.truth[tbox_index + 3]) - l.output[box_index + 3]);
}
- *(l.cost) += pow(1-best_iou, 2);
- avg_iou += best_iou;
+ *(l.cost) += pow(1-iou, 2);
+ avg_iou += iou;
++count;
}
if(l.softmax){
gradient_array(l.output + index + locations*l.classes, locations*l.n*(1+l.coords),
LOGISTIC, l.delta + index + locations*l.classes);
}
+ if (l.object_logistic) {
+ int p_index = index + locations*l.classes;
+ gradient_array(l.output + p_index, locations*l.n, LOGISTIC, l.delta + p_index);
+ }
+
+ if (l.class_logistic) {
+ int class_index = index;
+ gradient_array(l.output + class_index, locations*l.classes, LOGISTIC, l.delta + class_index);
+ }
+
+ if (l.coord_logistic) {
+ int coord_index = index + locations*(l.classes + l.n);
+ gradient_array(l.output + coord_index, locations*l.n*l.coords, LOGISTIC, l.delta + coord_index);
+ }
+ //printf("\n");
}
- printf("Region Avg IOU: %f, Avg Cat Pred: %f, Avg Obj: %f, Avg Any: %f, count: %d\n", avg_iou/count, avg_cat/count, avg_obj/count, avg_anyobj/(l.batch*locations*l.n), count);
+ printf("Region Avg IOU: %f, Pos Cat: %f, All Cat: %f, Pos Obj: %f, Any Obj: %f, count: %d\n", avg_iou/count, avg_cat/count, avg_allcat/(count*l.classes), avg_obj/count, avg_anyobj/(l.batch*locations*l.n), count);
}
}
@@ -164,6 +226,11 @@
void forward_region_layer_gpu(const region_layer l, network_state state)
{
+ if(!state.train){
+ copy_ongpu(l.batch*l.inputs, state.input, 1, l.output_gpu, 1);
+ return;
+ }
+
float *in_cpu = calloc(l.batch*l.inputs, sizeof(float));
float *truth_cpu = 0;
if(state.truth){
--
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