Method for collecting teaching process in real time by mobile devices
A technology of real-time acquisition and mobile equipment, applied in the computer field, can solve the problem of inability to record the teaching process completely.
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[0016] The method for real-time acquisition of a teaching process using a mobile device in the present invention includes the following steps: S1: using two or more mobile shooting devices to shoot the teaching process; the two or more mobile shooting devices include a reference shooting device; S2: Establish a reference coordinate system with the lower left corner of the image captured by the reference shooting device as the origin; S3: Coordinate transformation of images captured by other mobile shooting devices to the reference coordinate system; S4: Adjust the radial distortion of the image after the coordinate transformation; S5: Capture the feature points of the image after distortion adjustment, and stitch the image so that the same feature points in the images taken by different mobile shooting devices coincide. The present invention also includes the following steps: S6: performing color equalization processing on the spliced images. The reference coordinate system ...
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