image.hpp

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#pragma once

#include <string>
#include <stdint.h>
#include <opencv2/opencv.hpp>

/// Abstract class representing an image.  Implementing classes must provide a way to 
/// load images and construct image paths for loading features.  See tests and benchmarks
/// for example implementations of Image.
class Image {
public:
        Image(uint64_t image_id);
        
        uint64_t id; /// All images are assigned a unique id in the dataset.

        virtual ~Image();

        /// Returns the corresponding feature path given a feature name (ex. "sift").
        virtual std::string feature_path(const std::string &feat_name) const = 0;

        /// Returns the image location relative to the database data directory.
        virtual std::string location() const = 0;

private:
        
};