SLAM method applied to a multi-lens combination panoramic camera
A panoramic camera, multi-lens technology, applied in computer parts, character and pattern recognition, image analysis, etc., can solve problems such as inability to achieve measurement functions
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[0069] The concrete operation process of the inventive method is as attached figure 1 As shown, the system consists of three parallel threads, which are respectively responsible for panoramic image pose tracking, sparse map construction and closed-loop correction. The pose tracking thread mainly completes system initialization, feature extraction, matching and projection on the panoramic image, pose solution optimization, and key frame selection; the sparse map construction thread is mainly responsible for establishing sparse map points based on the initial pose and matching points, The pose and map points are locally optimized, and wrong map points and redundant key frames are eliminated; the closed-loop correction thread is mainly responsible for detecting whether the motion of the camera has returned to the previous position (that is, closed loop), and adding closed-loop constraints to correct the pose And global pose and map point optimization (that is, global beam adjustm...
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