From be9ccb7d7f4135a41910e6401fbe0c604f1a4080 Mon Sep 17 00:00:00 2001
From: AlexeyAB <alexeyab84@gmail.com>
Date: Thu, 01 Mar 2018 21:09:52 +0000
Subject: [PATCH] Added F1 score to accuracy statistic
---
src/detector.c | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/src/detector.c b/src/detector.c
index 43d92df..d7cc8a0 100644
--- a/src/detector.c
+++ b/src/detector.c
@@ -495,7 +495,7 @@
return 0;
}
-void validate_detector_map(char *datacfg, char *cfgfile, char *weightfile)
+void validate_detector_map(char *datacfg, char *cfgfile, char *weightfile, float thresh_calc_avg_iou)
{
int j;
list *options = read_data_cfg(datacfg);
@@ -552,7 +552,7 @@
args.h = net.h;
args.type = IMAGE_DATA;
- const float thresh_calc_avg_iou = 0.24;
+ //const float thresh_calc_avg_iou = 0.24;
float avg_iou = 0;
int tp_for_thresh = 0;
int fp_for_thresh = 0;
@@ -781,6 +781,12 @@
mean_average_precision += avg_precision;
}
+ const float cur_precision = (float)tp_for_thresh / ((float)tp_for_thresh + (float)fp_for_thresh);
+ const float cur_recall = (float)tp_for_thresh / ((float)tp_for_thresh + (float)(unique_truth_count - tp_for_thresh));
+ const float f1_score = 2.F * cur_precision * cur_recall / (cur_precision + cur_recall);
+ printf(" for thresh = %1.2f, precision = %1.2f, recall = %1.2f, F1-score = %1.2f \n",
+ thresh_calc_avg_iou, cur_precision, cur_recall, f1_score);
+
printf(" for thresh = %0.2f, TP = %d, FP = %d, FN = %d, average IoU = %2.2f %% \n",
thresh_calc_avg_iou, tp_for_thresh, fp_for_thresh, unique_truth_count - tp_for_thresh, avg_iou * 100);
@@ -909,7 +915,7 @@
else if(0==strcmp(argv[2], "train")) train_detector(datacfg, cfg, weights, gpus, ngpus, clear);
else if(0==strcmp(argv[2], "valid")) validate_detector(datacfg, cfg, weights);
else if(0==strcmp(argv[2], "recall")) validate_detector_recall(datacfg, cfg, weights);
- else if(0==strcmp(argv[2], "map")) validate_detector_map(datacfg, cfg, weights);
+ else if(0==strcmp(argv[2], "map")) validate_detector_map(datacfg, cfg, weights, thresh);
else if(0==strcmp(argv[2], "demo")) {
list *options = read_data_cfg(datacfg);
int classes = option_find_int(options, "classes", 20);
--
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