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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include "ClassifierTestCaseData.hpp"
#include <array>
#include <string>
#include <vector>
#include <memory>
/// Caffe requires BGR images, not normalized, mean adjusted and resized using smooth resize of STB library
using ImageSet = std::pair<const std::string, unsigned int>;
class CaffePreprocessor
{
public:
using DataType = float;
using TTestCaseData = ClassifierTestCaseData<DataType>;
explicit CaffePreprocessor(const std::string& binaryFileDirectory,
unsigned int width = 227,
unsigned int height = 227,
const std::vector<ImageSet>& imageSet = std::vector<ImageSet>());
std::unique_ptr<TTestCaseData> GetTestCaseData(unsigned int testCaseId);
private:
unsigned int GetNumImageElements() const { return 3 * m_Width * m_Height; }
unsigned int GetNumImageBytes() const { return 4 * GetNumImageElements(); }
std::string m_BinaryDirectory;
unsigned int m_Height;
unsigned int m_Width;
// Mean value of the database [B, G, R].
const std::array<float, 3> m_MeanBgr = {{104.007965f, 116.669472f, 122.675102f}};
const std::vector<ImageSet> m_ImageSet;
};
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