Tuesday, 1 April 2014

Work of Camera Calibration (4) : SIFT-Based Method

I. Camera Frames to Camera Frames

    。Example 1:


    。Example 2:
                                      

II. Camera Frames (Dataset 1) to Kinect Frames

    。Case 1:
        - Finding keypoints on Camera Frame (left)... 1293 keypoints found.
        - Finding keypoints on KinectFrame (right)... 1121 keypoints found.
        - Found 14 matches, and 3 match is true.


    。Case 2:
        - Finding keypoints on Camera Frame (left)... 1177 keypoints found.
        - Finding keypoints on KinectFrame (right)... 1121 keypoints found.
        - Found  2 matches, and 0 matches is true.


    。Case 3:
        - Finding keypoints on Camera Frame (left)... 1170 keypoints found.
        - Finding keypoints on KinectFrame (right)... 1121 keypoints found.
        - Found 5 matches, and 0 match is true.


    。Case 4:
        - Finding keypoints on Camera Frame (left)... 1329 keypoints found.
        - Finding keypoints on KinectFrame (right)... 1121 keypoints found.
        - Found 0 match.



III. Camera Frames (Dataset 2) to Kinect Frames

    。Case 1:
        - Finding keypoints on Camera Frame (left)... 1124 keypoints found.
        - Finding keypoints on KinectFrame (right)... 1223 keypoints found.
        - Found 3 matches, and 1 match is true.


    。Case 2:
        - Finding keypoints on Camera Frame (left)... 1074 keypoints found.
        - Finding keypoints on KinectFrame (right)... 1223 keypoints found.
        - Found 5 matches, and 0 match is true.


    。Case 3:
        - Finding keypoints on Camera Frame (left)... 1426 keypoints found.
        - Finding keypoints on KinectFrame (right)... 1223 keypoints found.
        - Found 2 matches, and 0 match is true.


    。Case 4:
        - Finding keypoints on Camera Frame (left)... 1217 keypoints found.
        - Finding keypoints on KinectFrame (right)... 1121 keypoints found.
        - Found 2 matches, and 0 match is true.



IV. Camera Frames (Dataset 3) to Kinect Frames

    。Case 1:
        - Finding keypoints on Camera Frame (left)... 1286 keypoints found.
        - Finding keypoints on KinectFrame (right)... 1611 keypoints found.
        - Found 3 matches, and 2 matches are true.


    。Case 2:
        - Finding keypoints on Camera Frame (left)... 1058 keypoints found.
        - Finding keypoints on KinectFrame (right)... 1611 keypoints found.
        - Found 1 matches, and 1 match is true.


   。Case 3:
        - Finding keypoints on Camera Frame (left)... 933 keypoints found.
        - Finding keypoints on KinectFrame (right)... 1611 keypoints found.
        - Found 3 matches, and 0 match is true.


V. Notes of Problems During Programming

    1. 'if isrgb(image)':
        。Need to be modified to 'if (ndims(image)==3)'
        。http://blog.csdn.net/meianan/article/details/8859792


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