From d97331b88ff3d50035b1e22c9d0eb671b61227e3 Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@gmail.com>
Date: Wed, 15 Apr 2015 07:32:32 +0000
Subject: [PATCH] level adjustment for images
---
src/data.h | 34 +++++++++++++++++++++++++++++-----
1 files changed, 29 insertions(+), 5 deletions(-)
diff --git a/src/data.h b/src/data.h
index 0a1830e..8e3e1d9 100644
--- a/src/data.h
+++ b/src/data.h
@@ -1,9 +1,24 @@
#ifndef DATA_H
#define DATA_H
+#include <pthread.h>
#include "matrix.h"
#include "list.h"
+extern unsigned int data_seed;
+
+static inline float distance_from_edge(int x, int max)
+{
+ int dx = (max/2) - x;
+ if (dx < 0) dx = -dx;
+ dx = (max/2) + 1 - dx;
+ dx *= 2;
+ float dist = (float)dx/max;
+ if (dist > 1) dist = 1;
+ return dist;
+}
+
+
typedef struct{
matrix X;
matrix y;
@@ -12,14 +27,23 @@
void free_data(data d);
-data load_data_image_pathfile(char *filename, char **labels, int k, int h, int w);
-data load_data_image_pathfile_part(char *filename, int part, int total,
- char **labels, int k, int h, int w);
-data load_data_image_pathfile_random(char *filename, int n, char **labels,
- int k, int h, int w);
+
+void print_letters(float *pred, int n);
+data load_data_captcha(char **paths, int n, int m, int k, int w, int h);
+data load_data_captcha_encode(char **paths, int n, int m, int w, int h);
+data load_data(char **paths, int n, int m, char **labels, int k, int w, int h);
+pthread_t load_data_thread(char **paths, int n, int m, char **labels, int k, int w, int h, data *d);
+
+pthread_t load_data_detection_thread(int n, char **paths, int m, int classes, int w, int h, int nh, int nw, int background, data *d);
+data load_data_detection_jitter_random(int n, char **paths, int m, int classes, int w, int h, int num_boxes, int background);
+
data load_cifar10_data(char *filename);
data load_all_cifar10();
+
list *get_paths(char *filename);
+char **get_labels(char *filename);
+void get_random_batch(data d, int n, float *X, float *y);
+void get_next_batch(data d, int n, int offset, float *X, float *y);
data load_categorical_data_csv(char *filename, int target, int k);
void normalize_data_rows(data d);
void scale_data_rows(data d, float s);
--
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