Active Sensor Planning for Multiview Vision Tasks - download pdf or read online

By Shengyong Chen, Y. F. Li, Jianwei Zhang, Wanliang Wang

ISBN-10: 3540770712

ISBN-13: 9783540770718

This particular e-book explores the $64000 matters in learning for energetic visible notion. The book’s 11 chapters draw on contemporary very important paintings in robotic imaginative and prescient over ten years, quite within the use of recent recommendations. Implementation examples are supplied with theoretical equipment for checking out in a true robotic method. With those optimum sensor making plans techniques, this booklet will provide the robotic imaginative and prescient method the adaptability wanted in lots of useful purposes.

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Finally, the region of acceptable viewpoints is the intersection of all regions. 1 lists some fundamental works on sensor modeling and vision planning for robotic tasks. It provides an overview of typically used sensors, controllable parameters, proposed methods, and applied tasks. 1. Summary of typical works on fundamental sensor planning Reference Cowan 1988 Sensors Camera; Extension to laser scanner Parameters Resolution, focus (depth of field), field of view, visibility, view angle; 6 extrinsic parameters of the sensor Optical constraints (resolution, focus/ depth-of-field, field-of-view, and detectability) Position, look direction (pan/tilt), focal length Method Geometrical computation Task General model based vision task Tarabanis 1991 Camera Volume intersection method VIM General purpose Remagnino1 995 Camera Geometrical computation General sensors Perception number, sensor location Triggs 1995 Camera Task, camera, robot and environment Yao 1995 Camera Tarabanis 1995 Stamos1998 Camera Generalized viewpoint, depth of field, field of view, resolution Camera pose, optical settings, task constraints Field-of-view, visibility Geometrical approach, Bayesian statistics Probabilistic heuristic search, combined evaluation function Tree annealing General task in partially known environment Equipment design, general task Giraud 1995 Lehel et al.

The x-coordinate value of the i th stripe, xp (i), can be determined by the light coding method. The stripe coordinate xp and the projection angle Dpi are illustrated in Figs. 22. 34 Chapter 2 Active Vision Sensors illumination Dp(i) lens vp LCD/DMD xp(i) Fig. 22. 32) is the relationship between the stripe locations on the camera and the projector and is termed the geometrical constraint. 4 Rectification of Stripe Locations Within a view of the camera, there can be tens or hundreds of stripes from the scene.

41) The stripe location on the camera coordinate is, thus, rectified as xc ' W1  W2 x p . 31) can be written as vc v pV1  v p xcV2  vc x pV3  x p xcV4 0. 39) can be expressed as ªv p v c «v v « p c « « «¬v p vc vc A1 vp X1 vc A2 vp X 2 ... vc An ... 37). 44). 1 (The rank of the matrix A) Rank( A ) = 3. Proof. Consider the 3u3 matrix Alt in the left-top corner of the nu4 matrix A. If det(Alt) z 0 , then rank(A) t 3 is true. 46) With row operations, it may be transformed to ª «v v Alt'= « p c « 0 « « 0 ¬ vc A1 vc ( A2  A1 ) 0 º » ».

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Active Sensor Planning for Multiview Vision Tasks by Shengyong Chen, Y. F. Li, Jianwei Zhang, Wanliang Wang


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