Handbook of Computer Vision and Applications: Volume 3: From Features to Understanding
Handbook of Computer Vision and Applications: Volume 3: From Features to Understanding
Computer Vision
Multiple View Geometry in Computer Vision
Multiple View Geometry in Computer Vision
Fusion of laser and visual data for robot motion planning and collision avoidance
Machine Vision and Applications
Handbook of Mathematical Models in Computer Vision
Handbook of Mathematical Models in Computer Vision
Tracking of vehicle trajectory by combining a camera and a laser rangefinder
Machine Vision and Applications
Camera calibration with genetic algorithms
IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans
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Currently, there is a great interest in the study of three-dimensional reconstruction from digital images. The applications of photogrammetric algorithms has allowed us significant improvements in procedures of camera calibration, movement of objects in scenes, shape from shading and range images. The procedure of the distance estimation from simple images is important to find the depth measurements in any procedure of three-dimensional reconstruction of scenes. In this work, we describe an adaptation of a scanner prototype based on a laser pointer and a webcam. It was applied to the robust estimation of absolute distance on images obtained from real time video sequences. Experimental tests were performed in order to demonstrate the effectiveness of the distance calculation in real time through a geometric model and a simple system of linear regression. From a wide data set of tests with different scanning parameter, good results on range finding were obtained.