重新整理文件夹结构，并添加CNN训练代码。

others/include/camera/video_wrapper.h

@@ -0,0 +1,43 @@
+//
+// Created by zhikun on 18-11-16.
+// wrapper for video read from file
+//
+
+#ifndef STEREOVISION_FROM_VIDEO_FILE_VIDEO_WRAPPER_H
+#define STEREOVISION_FROM_VIDEO_FILE_VIDEO_WRAPPER_H
+
+
+#include <opencv2/core/core.hpp>
+#include <opencv2/highgui/highgui.hpp>
+#include <opencv2/imgproc/imgproc.hpp>
+
+#include "wrapper_head.h"
+
+
+class VideoWrapper:public WrapperHead {
+public:
+    VideoWrapper(const std::string& filename0, const std::string& filename1);
+    ~VideoWrapper();
+
+
+    /**
+     * @brief initialize cameras
+     * @return bool value: whether it success
+     */
+    bool init() final;
+
+
+    /**
+     * @brief read images from camera
+     * @param src_left : output source video of left camera
+     * @param src_right : output source video of right camera
+     * @return bool value: whether the reading is successful
+     */
+    bool read(cv::Mat &src_left, cv::Mat &src_right) final;
+private:
+    cv::VideoCapture video0, video1;
+
+};
+
+
+#endif //STEREOVISION_FROM_VIDEO_FILE_VIDEO_WRAPPER_H