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Draw top5 accuracy on the Loss-chart for training Classifier

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pull/4477/head
AlexeyAB 6 years ago
parent fc663f6efe
commit 6c28da5def
3 changed files with 80 additions and 30 deletions
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  1. 76
      src/classifier.c
  2. 25
      src/detector.c
  3. 5
      src/image.c

76
src/classifier.c
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@ -23,13 +23,15 @@
image get_image_from_stream(CvCapture *cap);
image get_image_from_stream_cpp(CvCapture *cap);
#include "http_stream.h"
IplImage* draw_train_chart(float max_img_loss, int max_batches, int number_of_lines, int img_size, int dont_show);
void draw_train_loss(IplImage* img, int img_size, float avg_loss, float max_img_loss, int current_batch, int max_batches,
float precision, int draw_precision, int dont_show, int mjpeg_port);
float precision, int draw_precision, char *accuracy_name, int dont_show, int mjpeg_port);
#endif
float validate_classifier_single(char *datacfg, char *filename, char *weightfile, network *existing_net, int topk_custom);
float *get_regression_values(char **labels, int n)
{
float *v = calloc(n, sizeof(float));
@ -42,7 +44,7 @@ float *get_regression_values(char **labels, int n)
return v;
}
void train_classifier(char *datacfg, char *cfgfile, char *weightfile, int *gpus, int ngpus, int clear, int dont_show, int mjpeg_port)
void train_classifier(char *datacfg, char *cfgfile, char *weightfile, int *gpus, int ngpus, int clear, int dont_show, int mjpeg_port, int calc_topk)
{
int i;
@ -83,7 +85,7 @@ void train_classifier(char *datacfg, char *cfgfile, char *weightfile, int *gpus,
list *plist = get_paths(train_list);
char **paths = (char **)list_to_array(plist);
printf("%d\n", plist->size);
int N = plist->size;
int train_images_num = plist->size;
clock_t time;
load_args args = {0};
@ -105,14 +107,14 @@ void train_classifier(char *datacfg, char *cfgfile, char *weightfile, int *gpus,
args.paths = paths;
args.classes = classes;
args.n = imgs;
args.m = N;
args.m = train_images_num;
args.labels = labels;
args.type = CLASSIFICATION_DATA;
#ifdef OPENCV
//args.threads = 3;
IplImage* img = NULL;
float max_img_loss = 5;
float max_img_loss = 10;
int number_of_lines = 100;
int img_size = 1000;
img = draw_train_chart(max_img_loss, net.max_batches, number_of_lines, img_size, dont_show);
@ -126,6 +128,8 @@ void train_classifier(char *datacfg, char *cfgfile, char *weightfile, int *gpus,
int iter_save = get_current_batch(net);
int iter_save_last = get_current_batch(net);
int iter_topk = get_current_batch(net);
float topk = 0;
while(get_current_batch(net) < net.max_batches || net.max_batches == 0){
time=clock();
@ -152,9 +156,32 @@ void train_classifier(char *datacfg, char *cfgfile, char *weightfile, int *gpus,
i = get_current_batch(net);
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);
int calc_topk_for_each = iter_topk + 4 * train_images_num / (net.batch * net.subdivisions); // calculate TOPk for each 4 Epochs
calc_topk_for_each = fmax(calc_topk_for_each, net.burn_in);
calc_topk_for_each = fmax(calc_topk_for_each, 1000);
if (i % 10 == 0) {
if (calc_topk) {
fprintf(stderr, "\n (next TOP5 calculation at %d iterations) ", calc_topk_for_each);
if (topk > 0) fprintf(stderr, " Last accuracy TOP5 = %2.2f %% \n", topk * 100);
}
if (net.cudnn_half) {
if (i < net.burn_in * 3) fprintf(stderr, " Tensor Cores are disabled until the first %d iterations are reached.\n", 3 * net.burn_in);
else fprintf(stderr, " Tensor Cores are used.\n");
}
}
int draw_precision = 0;
if (calc_topk && (i >= calc_topk_for_each || i == net.max_batches)) {
iter_topk = i;
topk = validate_classifier_single(datacfg, cfgfile, weightfile, &net, 5); // calc TOP5
printf("\n accuracy TOP5 = %f \n", topk);
draw_precision = 1;
}
printf("%d, %.3f: %f, %f avg, %f rate, %lf seconds, %d images\n", get_current_batch(net), (float)(*net.seen)/ train_images_num, loss, avg_loss, get_current_rate(net), sec(clock()-time), *net.seen);
#ifdef OPENCV
draw_train_loss(img, img_size, avg_loss, max_img_loss, i, net.max_batches, -1, 0, dont_show, mjpeg_port);
draw_train_loss(img, img_size, avg_loss, max_img_loss, i, net.max_batches, topk, draw_precision, "top5", dont_show, mjpeg_port);
#endif // OPENCV
if (i >= (iter_save + 1000)) {
@ -512,14 +539,25 @@ void validate_classifier_full(char *datacfg, char *filename, char *weightfile)
}
void validate_classifier_single(char *datacfg, char *filename, char *weightfile)
float validate_classifier_single(char *datacfg, char *filename, char *weightfile, network *existing_net, int topk_custom)
{
int i, j;
network net = parse_network_cfg(filename);
network net;
int old_batch = -1;
if (existing_net) {
net = *existing_net; // for validation during training
old_batch = net.batch;
set_batch_network(&net, 1);
}
else {
net = parse_network_cfg_custom(filename, 1, 0);
if (weightfile) {
load_weights(&net, weightfile);
}
set_batch_network(&net, 1);
//set_batch_network(&net, 1);
fuse_conv_batchnorm(net);
calculate_binary_weights(net);
}
srand(time(0));
list *options = read_data_cfg(datacfg);
@ -530,7 +568,9 @@ void validate_classifier_single(char *datacfg, char *filename, char *weightfile)
char *valid_list = option_find_str(options, "valid", "data/train.list");
int classes = option_find_int(options, "classes", 2);
int topk = option_find_int(options, "top", 1);
if (topk_custom > 0) topk = topk_custom; // for validation during training
if (topk > classes) topk = classes;
printf(" TOP calculation...\n");
char **labels = get_labels(label_list);
list *plist = get_paths(valid_list);
@ -571,8 +611,15 @@ void validate_classifier_single(char *datacfg, char *filename, char *weightfile)
if(indexes[j] == class_id) avg_topk += 1;
}
printf("%d: top 1: %f, top %d: %f\n", i, avg_acc/(i+1), topk, avg_topk/(i+1));
if (existing_net) printf("\r");
else printf("\n");
printf("%d: top 1: %f, top %d: %f", i, avg_acc/(i+1), topk, avg_topk/(i+1));
}
if (existing_net) {
set_batch_network(&net, old_batch);
}
float topk_result = avg_topk / i;
return topk_result;
}
void validate_classifier_multi(char *datacfg, char *filename, char *weightfile)
@ -1198,6 +1245,7 @@ void run_classifier(int argc, char **argv)
}
int mjpeg_port = find_int_arg(argc, argv, "-mjpeg_port", -1);
int calc_topk = find_int_arg(argc, argv, "-topk", -1);
char *gpu_list = find_char_arg(argc, argv, "-gpus", 0);
int *gpus = 0;
int gpu = 0;
@ -1233,13 +1281,13 @@ void run_classifier(int argc, char **argv)
int layer = layer_s ? atoi(layer_s) : -1;
if(0==strcmp(argv[2], "predict")) predict_classifier(data, cfg, weights, filename, top);
else if(0==strcmp(argv[2], "try")) try_classifier(data, cfg, weights, filename, atoi(layer_s));
else if(0==strcmp(argv[2], "train")) train_classifier(data, cfg, weights, gpus, ngpus, clear, dont_show, mjpeg_port);
else if(0==strcmp(argv[2], "train")) train_classifier(data, cfg, weights, gpus, ngpus, clear, dont_show, mjpeg_port, calc_topk);
else if(0==strcmp(argv[2], "demo")) demo_classifier(data, cfg, weights, cam_index, filename);
else if(0==strcmp(argv[2], "gun")) gun_classifier(data, cfg, weights, cam_index, filename);
else if(0==strcmp(argv[2], "threat")) threat_classifier(data, cfg, weights, cam_index, filename);
else if(0==strcmp(argv[2], "test")) test_classifier(data, cfg, weights, layer);
else if(0==strcmp(argv[2], "label")) label_classifier(data, cfg, weights);
else if(0==strcmp(argv[2], "valid")) validate_classifier_single(data, cfg, weights);
else if(0==strcmp(argv[2], "valid")) validate_classifier_single(data, cfg, weights, NULL, -1);
else if(0==strcmp(argv[2], "validmulti")) validate_classifier_multi(data, cfg, weights);
else if(0==strcmp(argv[2], "valid10")) validate_classifier_10(data, cfg, weights);
else if(0==strcmp(argv[2], "validcrop")) validate_classifier_crop(data, cfg, weights);

25
src/detector.c
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@ -25,10 +25,10 @@
#pragma comment(lib, "opencv_imgproc" OPENCV_VERSION ".lib")
#pragma comment(lib, "opencv_highgui" OPENCV_VERSION ".lib")
#endif
IplImage* draw_train_chart(float max_img_loss, int max_batches, int number_of_lines, int img_size, int dont_show);
void draw_train_loss(IplImage* img, int img_size, float avg_loss, float max_img_loss, int current_batch, int max_batches,
float precision, int draw_precision, int dont_show, int mjpeg_port);
float precision, int draw_precision, char *accuracy_name, int dont_show, int mjpeg_port);
#define CV_RGB(r, g, b) cvScalar( (b), (g), (r), 0 )
#endif // OPENCV
@ -244,20 +244,23 @@ void train_detector(char *datacfg, char *cfgfile, char *weightfile, int *gpus, i
avg_loss = avg_loss*.9 + loss*.1;
i = get_current_batch(net);
if (mean_average_precision > 0) {
printf("\n Last accuracy mAP@0.5 = %2.2f %% ", mean_average_precision*100);
int calc_map_for_each = iter_map + 4 * train_images_num / (net.batch * net.subdivisions); // calculate mAP for each 4 Epochs
calc_map_for_each = fmax(calc_map_for_each, net.burn_in);
calc_map_for_each = fmax(calc_map_for_each, 1000);
if (calc_map) {
printf("\n (next mAP calculation at %d iterations) ", calc_map_for_each);
if (mean_average_precision > 0) printf("\n Last accuracy mAP@0.5 = %2.2f %% ", mean_average_precision * 100);
}
int calc_map_for_each = 4 * train_images_num / (net.batch * net.subdivisions); // calculate mAP for each 4 Epochs
if (calc_map) printf("\n (next mAP calculation at %d iterations) ", (iter_map + calc_map_for_each));
if (net.cudnn_half) {
if (i < net.burn_in * 3) printf("\n Tensor Cores are disabled until the first %d iterations are reached.", 3 * net.burn_in);
else printf("\n Tensor Cores are used.");
if (i < net.burn_in * 3) fprintf(stderr, "\n Tensor Cores are disabled until the first %d iterations are reached.", 3 * net.burn_in);
else fprintf(stderr, "\n Tensor Cores are used.");
}
printf("\n %d: %f, %f avg loss, %f rate, %lf seconds, %d images\n", get_current_batch(net), loss, avg_loss, get_current_rate(net), (what_time_is_it_now() - time), i*imgs);
int draw_precision = 0;
if (calc_map && (i >= (iter_map + calc_map_for_each) || i == net.max_batches) && i >= net.burn_in && i >= 1000) {
if (calc_map && (i >= calc_map_for_each || i == net.max_batches)) {
if (l.random) {
printf("Resizing to initial size: %d x %d \n", init_w, init_h);
args.w = init_w;
@ -281,7 +284,7 @@ void train_detector(char *datacfg, char *cfgfile, char *weightfile, int *gpus, i
draw_precision = 1;
}
#ifdef OPENCV
draw_train_loss(img, img_size, avg_loss, max_img_loss, i, net.max_batches, mean_average_precision, draw_precision, dont_show, mjpeg_port);
draw_train_loss(img, img_size, avg_loss, max_img_loss, i, net.max_batches, mean_average_precision, draw_precision, "mAP%", dont_show, mjpeg_port);
#endif // OPENCV
//if (i % 1000 == 0 || (i < 1000 && i % 100 == 0)) {
@ -975,7 +978,7 @@ float validate_detector_map(char *datacfg, char *cfgfile, char *weightfile, floa
thresh_calc_avg_iou, tp_for_thresh, fp_for_thresh, unique_truth_count - tp_for_thresh, avg_iou * 100);
mean_average_precision = mean_average_precision / classes;
printf("\n IoU threshold = %2.2f %% \n", iou_thresh * 100);
printf("\n IoU threshold = %2.0f %% \n", iou_thresh * 100);
printf(" mean average precision (mAP@%0.2f) = %f, or %2.2f %% \n", iou_thresh, mean_average_precision, mean_average_precision * 100);

5
src/image.c
Unescape View File

@ -762,7 +762,7 @@ IplImage* draw_train_chart(float max_img_loss, int max_batches, int number_of_li
}
void draw_train_loss(IplImage* img, int img_size, float avg_loss, float max_img_loss, int current_batch, int max_batches,
float precision, int draw_precision, int dont_show, int mjpeg_port)
float precision, int draw_precision, char *accuracy_name, int dont_show, int mjpeg_port)
{
int img_offset = 50;
int draw_size = img_size - img_offset;
@ -780,7 +780,7 @@ void draw_train_loss(IplImage* img, int img_size, float avg_loss, float max_img_
static float old_precision = 0;
static int iteration_old = 0;
static int text_iteration_old = 0;
if(iteration_old == 0) cvPutText(img, "mAP%", cvPoint(0, 12), &font, CV_RGB(255, 0, 0));
if(iteration_old == 0) cvPutText(img, accuracy_name, cvPoint(0, 12), &font, CV_RGB(255, 0, 0));
cvLine(img,
cvPoint(img_offset + draw_size * (float)iteration_old / max_batches, draw_size * (1 - old_precision)),
@ -815,7 +815,6 @@ void draw_train_loss(IplImage* img, int img_size, float avg_loss, float max_img_
k = cvWaitKey(20);
}
if (k == 's' || current_batch == (max_batches - 1) || current_batch % 100 == 0) {
//cvSaveImage("chart.jpg", img, 0);
save_cv_png(img, "chart.png");
cvPutText(img, "- Saved", cvPoint(250, img_size - 10), &font, CV_RGB(255, 0, 0));
}

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