MNIST-3LNN
1.0
A simple 3-layer neural network to recognize handwritten single digit numbers from the MNIST image files.
|
Utitlies for handling the MNIST files. More...
#include <stdint.h>
#include <stdio.h>
Go to the source code of this file.
Data Structures | |
struct | MNIST_Image |
Data block defining a MNIST image. More... | |
struct | MNIST_ImageFileHeader |
Data block defining a MNIST image file header. More... | |
struct | MNIST_LabelFileHeader |
Data block defining a MNIST label file header. More... | |
Macros | |
#define | MNIST_TRAINING_SET_IMAGE_FILE_NAME "data/train-images-idx3-ubyte" |
MNIST image training file in the data folder. More... | |
#define | MNIST_TRAINING_SET_LABEL_FILE_NAME "data/train-labels-idx1-ubyte" |
MNIST label training file in the data folder. More... | |
#define | MNIST_TESTING_SET_IMAGE_FILE_NAME "data/t10k-images-idx3-ubyte" |
MNIST image testing file in the data folder. More... | |
#define | MNIST_TESTING_SET_LABEL_FILE_NAME "data/t10k-labels-idx1-ubyte" |
MNIST label testing file in the data folder. More... | |
#define | MNIST_MAX_TRAINING_IMAGES 60000 |
number of images+labels in the TRAIN file/s More... | |
#define | MNIST_MAX_TESTING_IMAGES 10000 |
number of images+labels in the TEST file/s More... | |
#define | MNIST_IMG_WIDTH 28 |
image width in pixel More... | |
#define | MNIST_IMG_HEIGHT 28 |
image height in pixel More... | |
Typedefs | |
typedef struct MNIST_ImageFileHeader | MNIST_ImageFileHeader |
typedef struct MNIST_LabelFileHeader | MNIST_LabelFileHeader |
typedef struct MNIST_Image | MNIST_Image |
typedef uint8_t | MNIST_Label |
Functions | |
FILE * | openMNISTImageFile (char *fileName) |
Read MNIST IMAGE file header. More... | |
FILE * | openMNISTLabelFile (char *fileName) |
Read MNIST label file header. More... | |
MNIST_Image | getImage (FILE *imageFile) |
Returns the next image in given MNIST image file. More... | |
MNIST_Label | getLabel (FILE *labelFile) |
Returns the next label in given MNIST label file. More... | |
int | getStandardDigitPixel (int num, int pixelId) |
#define MNIST_IMG_HEIGHT 28 |
image height in pixel
Definition at line 24 of file mnist-utils.h.
#define MNIST_IMG_WIDTH 28 |
image width in pixel
Definition at line 23 of file mnist-utils.h.
#define MNIST_MAX_TESTING_IMAGES 10000 |
number of images+labels in the TEST file/s
Definition at line 22 of file mnist-utils.h.
#define MNIST_MAX_TRAINING_IMAGES 60000 |
number of images+labels in the TRAIN file/s
Definition at line 21 of file mnist-utils.h.
#define MNIST_TESTING_SET_IMAGE_FILE_NAME "data/t10k-images-idx3-ubyte" |
MNIST image testing file in the data folder.
Definition at line 16 of file mnist-utils.h.
#define MNIST_TESTING_SET_LABEL_FILE_NAME "data/t10k-labels-idx1-ubyte" |
MNIST label testing file in the data folder.
Definition at line 17 of file mnist-utils.h.
#define MNIST_TRAINING_SET_IMAGE_FILE_NAME "data/train-images-idx3-ubyte" |
MNIST image training file in the data folder.
Definition at line 13 of file mnist-utils.h.
#define MNIST_TRAINING_SET_LABEL_FILE_NAME "data/train-labels-idx1-ubyte" |
MNIST label training file in the data folder.
Definition at line 14 of file mnist-utils.h.
typedef struct MNIST_Image MNIST_Image |
Definition at line 31 of file mnist-utils.h.
typedef struct MNIST_ImageFileHeader MNIST_ImageFileHeader |
Definition at line 28 of file mnist-utils.h.
typedef uint8_t MNIST_Label |
Definition at line 32 of file mnist-utils.h.
typedef struct MNIST_LabelFileHeader MNIST_LabelFileHeader |
Definition at line 29 of file mnist-utils.h.
MNIST_Image getImage | ( | FILE * | imageFile | ) |
Returns the next image in given MNIST image file.
Returns the next image in the given MNIST image file
Definition at line 139 of file mnist-utils.c.
MNIST_Label getLabel | ( | FILE * | labelFile | ) |
Returns the next label in given MNIST label file.
Returns the next label in the given MNIST label file
Definition at line 159 of file mnist-utils.c.
int getStandardDigitPixel | ( | int | num, |
int | pixelId | ||
) |
Definition at line 178 of file mnist-utils.c.
FILE* openMNISTImageFile | ( | char * | fileName | ) |
Read MNIST IMAGE file header.
Open MNIST image file and read header info by reading the header info, the read pointer is moved to the position of the 1st IMAGE
Definition at line 93 of file mnist-utils.c.
FILE* openMNISTLabelFile | ( | char * | fileName | ) |
Read MNIST label file header.
Open MNIST label file and read header info by reading the header info, the read pointer is moved to the position of the 1st LABEL
Definition at line 117 of file mnist-utils.c.