56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
// Copyright (C) 2018-2023 Intel Corporation
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
//
|
|
|
|
/**
|
|
* \brief Mnist reader
|
|
* \file MnistUbyte.h
|
|
*/
|
|
#pragma once
|
|
|
|
#include <memory>
|
|
#include <string>
|
|
|
|
// clang-format off
|
|
#include "format_reader.h"
|
|
#include "register.h"
|
|
// clang-format on
|
|
|
|
namespace FormatReader {
|
|
/**
|
|
* \class MnistUbyte
|
|
* \brief Reader for mnist db files
|
|
*/
|
|
class MnistUbyte : public Reader {
|
|
private:
|
|
int reverseInt(int i);
|
|
|
|
static Register<MnistUbyte> reg;
|
|
|
|
public:
|
|
/**
|
|
* \brief Constructor of Mnist reader
|
|
* @param filename - path to input data
|
|
* @return MnistUbyte reader object
|
|
*/
|
|
explicit MnistUbyte(const std::string& filename);
|
|
virtual ~MnistUbyte() {}
|
|
|
|
/**
|
|
* \brief Get size
|
|
* @return size
|
|
*/
|
|
size_t size() const override {
|
|
return _width * _height * 1;
|
|
}
|
|
|
|
std::shared_ptr<unsigned char> getData(size_t width, size_t height) override {
|
|
if ((width * height != 0) && (_width * _height != width * height)) {
|
|
std::cout << "[ WARNING ] Image won't be resized! Please use OpenCV.\n";
|
|
return nullptr;
|
|
}
|
|
return _data;
|
|
}
|
|
};
|
|
} // namespace FormatReader
|