From c7b10ceadb1a78e7480d281444a31ae2a7dc1b05 Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@gmail.com>
Date: Fri, 06 May 2016 23:25:16 +0000
Subject: [PATCH] so much need to commit
---
src/data.c | 365 +++++++++++++++++++++++++++++++++++++++++++++++-----
1 files changed, 329 insertions(+), 36 deletions(-)
diff --git a/src/data.c b/src/data.c
index 17772c1..b0368ee 100644
--- a/src/data.c
+++ b/src/data.c
@@ -22,6 +22,19 @@
return lines;
}
+char **get_random_paths_indexes(char **paths, int n, int m, int *indexes)
+{
+ char **random_paths = calloc(n, sizeof(char*));
+ int i;
+ for(i = 0; i < n; ++i){
+ int index = rand_r(&data_seed)%m;
+ indexes[i] = index;
+ random_paths[i] = paths[index];
+ if(i == 0) printf("%s\n", paths[index]);
+ }
+ return random_paths;
+}
+
char **get_random_paths(char **paths, int n, int m)
{
char **random_paths = calloc(n, sizeof(char*));
@@ -54,7 +67,12 @@
X.cols = 0;
for(i = 0; i < n; ++i){
- image im = load_image(paths[i], w, h, 1);
+ image im = load_image(paths[i], w, h, 3);
+
+ image gray = grayscale_image(im);
+ free_image(im);
+ im = gray;
+
X.vals[i] = im.data;
X.cols = im.h*im.w*im.c;
}
@@ -77,6 +95,32 @@
return X;
}
+matrix load_image_cropped_paths(char **paths, int n, int min, int max, int size)
+{
+ int i;
+ matrix X;
+ X.rows = n;
+ X.vals = calloc(X.rows, sizeof(float*));
+ X.cols = 0;
+
+ for(i = 0; i < n; ++i){
+ image im = load_image_color(paths[i], 0, 0);
+ image crop = random_crop_image(im, min, max, size);
+ int flip = rand_r(&data_seed)%2;
+ if (flip) flip_image(crop);
+ /*
+ show_image(im, "orig");
+ show_image(crop, "crop");
+ cvWaitKey(0);
+ */
+ free_image(im);
+ X.vals[i] = crop.data;
+ X.cols = crop.h*crop.w*crop.c;
+ }
+ return X;
+}
+
+
box_label *read_boxes(char *filename, int *n)
{
box_label *boxes = calloc(1, sizeof(box_label));
@@ -144,11 +188,50 @@
}
}
+void fill_truth_swag(char *path, float *truth, int classes, int flip, float dx, float dy, float sx, float sy)
+{
+ char *labelpath = find_replace(path, "images", "labels");
+ labelpath = find_replace(labelpath, "JPEGImages", "labels");
+
+ labelpath = find_replace(labelpath, ".jpg", ".txt");
+ labelpath = find_replace(labelpath, ".JPG", ".txt");
+ labelpath = find_replace(labelpath, ".JPEG", ".txt");
+ int count = 0;
+ box_label *boxes = read_boxes(labelpath, &count);
+ randomize_boxes(boxes, count);
+ correct_boxes(boxes, count, dx, dy, sx, sy, flip);
+ float x,y,w,h;
+ int id;
+ int i;
+
+ for (i = 0; i < count && i < 30; ++i) {
+ x = boxes[i].x;
+ y = boxes[i].y;
+ w = boxes[i].w;
+ h = boxes[i].h;
+ id = boxes[i].id;
+
+ if (w < .0 || h < .0) continue;
+
+ int index = (4+classes) * i;
+
+ truth[index++] = x;
+ truth[index++] = y;
+ truth[index++] = w;
+ truth[index++] = h;
+
+ if (id < classes) truth[index+id] = 1;
+ }
+ free(boxes);
+}
+
void fill_truth_region(char *path, float *truth, int classes, int num_boxes, int flip, float dx, float dy, float sx, float sy)
{
char *labelpath = find_replace(path, "images", "labels");
labelpath = find_replace(labelpath, "JPEGImages", "labels");
+
labelpath = find_replace(labelpath, ".jpg", ".txt");
+ labelpath = find_replace(labelpath, ".JPG", ".txt");
labelpath = find_replace(labelpath, ".JPEG", ".txt");
int count = 0;
box_label *boxes = read_boxes(labelpath, &count);
@@ -294,7 +377,7 @@
data load_data_captcha(char **paths, int n, int m, int k, int w, int h)
{
if(m) paths = get_random_paths(paths, n, m);
- data d;
+ data d = {0};
d.shallow = 0;
d.X = load_image_paths(paths, n, w, h);
d.y = make_matrix(n, k*NUMCHARS);
@@ -309,7 +392,7 @@
data load_data_captcha_encode(char **paths, int n, int m, int w, int h)
{
if(m) paths = get_random_paths(paths, n, m);
- data d;
+ data d = {0};
d.shallow = 0;
d.X = load_image_paths(paths, n, w, h);
d.X.cols = 17100;
@@ -342,6 +425,33 @@
return y;
}
+matrix load_tags_paths(char **paths, int n, int k)
+{
+ matrix y = make_matrix(n, k);
+ int i;
+ int count = 0;
+ for(i = 0; i < n; ++i){
+ char *label = find_replace(paths[i], "imgs", "labels");
+ label = find_replace(label, "_iconl.jpeg", ".txt");
+ FILE *file = fopen(label, "r");
+ if(!file){
+ label = find_replace(label, "labels", "labels2");
+ file = fopen(label, "r");
+ if(!file) continue;
+ }
+ ++count;
+ int tag;
+ while(fscanf(file, "%d", &tag) == 1){
+ if(tag < k){
+ y.vals[i][tag] = 1;
+ }
+ }
+ fclose(file);
+ }
+ printf("%d/%d\n", count, n);
+ return y;
+}
+
char **get_labels(char *filename)
{
list *plist = get_paths(filename);
@@ -352,6 +462,9 @@
void free_data(data d)
{
+ if(d.indexes){
+ free(d.indexes);
+ }
if(!d.shallow){
free_matrix(d.X);
free_matrix(d.y);
@@ -361,11 +474,11 @@
}
}
-data load_data_region(int n, char **paths, int m, int w, int h, int size, int classes)
+data load_data_region(int n, char **paths, int m, int w, int h, int size, int classes, float jitter)
{
char **random_paths = get_random_paths(paths, n, m);
int i;
- data d;
+ data d = {0};
d.shallow = 0;
d.X.rows = n;
@@ -380,13 +493,13 @@
int oh = orig.h;
int ow = orig.w;
- int dw = ow/10;
- int dh = oh/10;
+ int dw = (ow*jitter);
+ int dh = (oh*jitter);
- int pleft = (rand_uniform() * 2*dw - dw);
- int pright = (rand_uniform() * 2*dw - dw);
- int ptop = (rand_uniform() * 2*dh - dh);
- int pbot = (rand_uniform() * 2*dh - dh);
+ int pleft = rand_uniform(-dw, dw);
+ int pright = rand_uniform(-dw, dw);
+ int ptop = rand_uniform(-dh, dh);
+ int pbot = rand_uniform(-dh, dh);
int swidth = ow - pleft - pright;
int sheight = oh - ptop - pbot;
@@ -417,7 +530,7 @@
{
if(m) paths = get_random_paths(paths, 2*n, m);
int i,j;
- data d;
+ data d = {0};
d.shallow = 0;
d.X.rows = n;
@@ -475,11 +588,64 @@
return d;
}
+data load_data_swag(char **paths, int n, int classes, float jitter)
+{
+ int index = rand_r(&data_seed)%n;
+ char *random_path = paths[index];
+
+ image orig = load_image_color(random_path, 0, 0);
+ int h = orig.h;
+ int w = orig.w;
+
+ data d = {0};
+ d.shallow = 0;
+ d.w = w;
+ d.h = h;
+
+ d.X.rows = 1;
+ d.X.vals = calloc(d.X.rows, sizeof(float*));
+ d.X.cols = h*w*3;
+
+ int k = (4+classes)*30;
+ d.y = make_matrix(1, k);
+
+ int dw = w*jitter;
+ int dh = h*jitter;
+
+ int pleft = rand_uniform(-dw, dw);
+ int pright = rand_uniform(-dw, dw);
+ int ptop = rand_uniform(-dh, dh);
+ int pbot = rand_uniform(-dh, dh);
+
+ int swidth = w - pleft - pright;
+ int sheight = h - ptop - pbot;
+
+ float sx = (float)swidth / w;
+ float sy = (float)sheight / h;
+
+ int flip = rand_r(&data_seed)%2;
+ image cropped = crop_image(orig, pleft, ptop, swidth, sheight);
+
+ float dx = ((float)pleft/w)/sx;
+ float dy = ((float)ptop /h)/sy;
+
+ image sized = resize_image(cropped, w, h);
+ if(flip) flip_image(sized);
+ d.X.vals[0] = sized.data;
+
+ fill_truth_swag(random_path, d.y.vals[0], classes, flip, dx, dy, 1./sx, 1./sy);
+
+ free_image(orig);
+ free_image(cropped);
+
+ return d;
+}
+
data load_data_detection(int n, char **paths, int m, int classes, int w, int h, int num_boxes, int background)
{
char **random_paths = get_random_paths(paths, n, m);
int i;
- data d;
+ data d = {0};
d.shallow = 0;
d.X.rows = n;
@@ -497,10 +663,10 @@
int dw = ow/10;
int dh = oh/10;
- int pleft = (rand_uniform() * 2*dw - dw);
- int pright = (rand_uniform() * 2*dw - dw);
- int ptop = (rand_uniform() * 2*dh - dh);
- int pbot = (rand_uniform() * 2*dh - dh);
+ int pleft = rand_uniform(-dw, dw);
+ int pright = rand_uniform(-dw, dw);
+ int ptop = rand_uniform(-dh, dh);
+ int pbot = rand_uniform(-dh, dh);
int swidth = ow - pleft - pright;
int sheight = oh - ptop - pbot;
@@ -542,19 +708,30 @@
check_error(status);
#endif
- printf("Loading data: %d\n", rand_r(&data_seed));
+ //printf("Loading data: %d\n", rand_r(&data_seed));
load_args a = *(struct load_args*)ptr;
- if (a.type == CLASSIFICATION_DATA){
+ if (a.type == OLD_CLASSIFICATION_DATA){
*a.d = load_data(a.paths, a.n, a.m, a.labels, a.classes, a.w, a.h);
+ } else if (a.type == CLASSIFICATION_DATA){
+ *a.d = load_data_augment(a.paths, a.n, a.m, a.labels, a.classes, a.min, a.max, a.size);
+ } else if (a.type == STUDY_DATA){
+ *a.d = load_data_study(a.paths, a.n, a.m, a.labels, a.classes, a.min, a.max, a.size);
} else if (a.type == DETECTION_DATA){
*a.d = load_data_detection(a.n, a.paths, a.m, a.classes, a.w, a.h, a.num_boxes, a.background);
+ } else if (a.type == WRITING_DATA){
+ *a.d = load_data_writing(a.paths, a.n, a.m, a.w, a.h, a.out_w, a.out_h);
} else if (a.type == REGION_DATA){
- *a.d = load_data_region(a.n, a.paths, a.m, a.w, a.h, a.num_boxes, a.classes);
+ *a.d = load_data_region(a.n, a.paths, a.m, a.w, a.h, a.num_boxes, a.classes, a.jitter);
+ } else if (a.type == SWAG_DATA){
+ *a.d = load_data_swag(a.paths, a.n, a.classes, a.jitter);
} else if (a.type == COMPARE_DATA){
*a.d = load_data_compare(a.n, a.paths, a.m, a.classes, a.w, a.h);
} else if (a.type == IMAGE_DATA){
*(a.im) = load_image_color(a.path, 0, 0);
*(a.resized) = resize_image(*(a.im), a.w, a.h);
+ } else if (a.type == TAG_DATA){
+ *a.d = load_data_tag(a.paths, a.n, a.m, a.classes, a.min, a.max, a.size);
+ //*a.d = load_data(a.paths, a.n, a.m, a.labels, a.classes, a.w, a.h);
}
free(ptr);
return 0;
@@ -565,20 +742,18 @@
pthread_t thread;
struct load_args *ptr = calloc(1, sizeof(struct load_args));
*ptr = args;
- if(pthread_create(&thread, 0, load_thread, ptr)) {
- error("Thread creation failed");
- }
+ if(pthread_create(&thread, 0, load_thread, ptr)) error("Thread creation failed");
return thread;
}
-data load_data_writing(char **paths, int n, int m, int w, int h)
+data load_data_writing(char **paths, int n, int m, int w, int h, int out_w, int out_h)
{
if(m) paths = get_random_paths(paths, n, m);
char **replace_paths = find_replace_paths(paths, n, ".png", "-label.png");
- data d;
+ data d = {0};
d.shallow = 0;
d.X = load_image_paths(paths, n, w, h);
- d.y = load_image_paths_gray(replace_paths, n, w/8, h/8);
+ d.y = load_image_paths_gray(replace_paths, n, out_w, out_h);
if(m) free(paths);
int i;
for(i = 0; i < n; ++i) free(replace_paths[i]);
@@ -589,7 +764,7 @@
data load_data(char **paths, int n, int m, char **labels, int k, int w, int h)
{
if(m) paths = get_random_paths(paths, n, m);
- data d;
+ data d = {0};
d.shallow = 0;
d.X = load_image_paths(paths, n, w, h);
d.y = load_labels_paths(paths, n, labels, k);
@@ -597,6 +772,42 @@
return d;
}
+data load_data_study(char **paths, int n, int m, char **labels, int k, int min, int max, int size)
+{
+ data d = {0};
+ d.indexes = calloc(n, sizeof(int));
+ if(m) paths = get_random_paths_indexes(paths, n, m, d.indexes);
+ d.shallow = 0;
+ d.X = load_image_cropped_paths(paths, n, min, max, size);
+ d.y = load_labels_paths(paths, n, labels, k);
+ if(m) free(paths);
+ return d;
+}
+
+data load_data_augment(char **paths, int n, int m, char **labels, int k, int min, int max, int size)
+{
+ if(m) paths = get_random_paths(paths, n, m);
+ data d = {0};
+ d.shallow = 0;
+ d.X = load_image_cropped_paths(paths, n, min, max, size);
+ d.y = load_labels_paths(paths, n, labels, k);
+ if(m) free(paths);
+ return d;
+}
+
+data load_data_tag(char **paths, int n, int m, int k, int min, int max, int size)
+{
+ if(m) paths = get_random_paths(paths, n, m);
+ data d = {0};
+ d.w = size;
+ d.h = size;
+ d.shallow = 0;
+ d.X = load_image_cropped_paths(paths, n, min, max, size);
+ d.y = load_tags_paths(paths, n, k);
+ if(m) free(paths);
+ return d;
+}
+
matrix concat_matrix(matrix m1, matrix m2)
{
int i, count = 0;
@@ -615,7 +826,7 @@
data concat_data(data d1, data d2)
{
- data d;
+ data d = {0};
d.shallow = 1;
d.X = concat_matrix(d1.X, d2.X);
d.y = concat_matrix(d1.y, d2.y);
@@ -624,7 +835,7 @@
data load_categorical_data_csv(char *filename, int target, int k)
{
- data d;
+ data d = {0};
d.shallow = 0;
matrix X = csv_to_matrix(filename);
float *truth_1d = pop_column(&X, target);
@@ -641,7 +852,7 @@
data load_cifar10_data(char *filename)
{
- data d;
+ data d = {0};
d.shallow = 0;
long i,j;
matrix X = make_matrix(10000, 3072);
@@ -660,8 +871,8 @@
X.vals[i][j] = (double)bytes[j+1];
}
}
- translate_data_rows(d, -128);
- scale_data_rows(d, 1./128);
+ //translate_data_rows(d, -128);
+ scale_data_rows(d, 1./255);
//normalize_data_rows(d);
fclose(fp);
return d;
@@ -687,10 +898,21 @@
}
}
+void smooth_data(data d)
+{
+ int i, j;
+ float scale = 1. / d.y.cols;
+ float eps = .1;
+ for(i = 0; i < d.y.rows; ++i){
+ for(j = 0; j < d.y.cols; ++j){
+ d.y.vals[i][j] = eps * scale + (1-eps) * d.y.vals[i][j];
+ }
+ }
+}
data load_all_cifar10()
{
- data d;
+ data d = {0};
d.shallow = 0;
int i,j,b;
matrix X = make_matrix(50000, 3072);
@@ -701,7 +923,7 @@
for(b = 0; b < 5; ++b){
char buff[256];
- sprintf(buff, "data/cifar10/data_batch_%d.bin", b+1);
+ sprintf(buff, "data/cifar/cifar-10-batches-bin/data_batch_%d.bin", b+1);
FILE *fp = fopen(buff, "rb");
if(!fp) file_error(buff);
for(i = 0; i < 10000; ++i){
@@ -716,11 +938,59 @@
fclose(fp);
}
//normalize_data_rows(d);
- translate_data_rows(d, -128);
- scale_data_rows(d, 1./128);
+ //translate_data_rows(d, -128);
+ scale_data_rows(d, 1./255);
+ smooth_data(d);
return d;
}
+data load_go(char *filename)
+{
+ FILE *fp = fopen(filename, "rb");
+ matrix X = make_matrix(3363059, 361);
+ matrix y = make_matrix(3363059, 361);
+ int row, col;
+
+ if(!fp) file_error(filename);
+ char *label;
+ int count = 0;
+ while((label = fgetl(fp))){
+ int i;
+ if(count == X.rows){
+ X = resize_matrix(X, count*2);
+ y = resize_matrix(y, count*2);
+ }
+ sscanf(label, "%d %d", &row, &col);
+ char *board = fgetl(fp);
+
+ int index = row*19 + col;
+ y.vals[count][index] = 1;
+
+ for(i = 0; i < 19*19; ++i){
+ float val = 0;
+ if(board[i] == '1') val = 1;
+ else if(board[i] == '2') val = -1;
+ X.vals[count][i] = val;
+ }
+ ++count;
+ free(label);
+ free(board);
+ }
+ X = resize_matrix(X, count);
+ y = resize_matrix(y, count);
+
+ data d = {0};
+ d.shallow = 0;
+ d.X = X;
+ d.y = y;
+
+
+ fclose(fp);
+
+ return d;
+}
+
+
void randomize_data(data d)
{
int i;
@@ -760,6 +1030,29 @@
}
}
+data get_random_data(data d, int num)
+{
+ data r = {0};
+ r.shallow = 1;
+
+ r.X.rows = num;
+ r.y.rows = num;
+
+ r.X.cols = d.X.cols;
+ r.y.cols = d.y.cols;
+
+ r.X.vals = calloc(num, sizeof(float *));
+ r.y.vals = calloc(num, sizeof(float *));
+
+ int i;
+ for(i = 0; i < num; ++i){
+ int index = rand()%d.X.rows;
+ r.X.vals[i] = d.X.vals[index];
+ r.y.vals[i] = d.y.vals[index];
+ }
+ return r;
+}
+
data *split_data(data d, int part, int total)
{
data *split = calloc(2, sizeof(data));
--
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