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The gyroscope is playing a key role in helping estimate 3D camera rotation for various vision applications on cell phones, including video stabilization and feature tracking. Successful fusion of gyroscope and camera data requires that the camera, gyroscope, and their relative pose to be calibrated. In addition, the timestamps of gyroscope readings and video frames are usually not well synchronized...
Gyroscope is playing a key role in helping estimate camera rotation during mobile video capture. The fusion of gyroscope and visual measurements needs the knowledge of camera projection parameters, the gyroscope bias and the relative orientation between gyroscope and camera. Moreover, the timestamps of gyroscope and video frames are usually not well synchronized. In this paper, we propose an online...
This paper studies force couple leveling system of heavy hydraulic press. A multi-input and multi-output nonlinear model is established on the basis of analyzing hydraulic structure and block kinematics. A cascade control structure is designed for the leveling system. In the outer loop, each corner follows the average displacement other two corners adjacent to it using PI method, and the desired pressure...
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