Signal Processing

Download Emerging Topics in Computer Vision by Gerard Medioni, Sing Bing Kang PDF

By Gerard Medioni, Sing Bing Kang

The state-of-the artwork in computing device imaginative and prescient: concept, purposes, and programming even if you are a operating engineer, developer, researcher, or scholar, this can be your unmarried authoritative resource for present day key machine imaginative and prescient techniques. Gerard Medioni and Sing Bing Kang current advances in laptop imaginative and prescient comparable to digicam calibration, multi-view geometry, and face detection, and introduce vital new issues corresponding to imaginative and prescient for lighting tricks and the tensor vote casting framework. they start with the basics, hide choose purposes intimately, and introduce well known techniques to desktop imaginative and prescient programming. digital camera calibration utilizing 3D gadgets, 2nd planes, 1D strains, and self-calibration Extracting digital camera movement and scene constitution from photo sequences powerful regression for version becoming utilizing M-estimators, RANSAC, and Hough transforms Image-based lights for illuminating scenes and items with real-world gentle photos Content-based photo retrieval, protecting queries, illustration, indexing, seek, studying, and extra Face detection, alignment, and recognition--with new strategies for key demanding situations Perceptual interfaces for integrating imaginative and prescient, speech, and haptic modalities improvement with the Open resource laptop imaginative and prescient Library (OpenCV) the hot SAI framework and styles for architecting laptop imaginative and prescient functions

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Faugeras. Self-calibration of a moving camera from point correspondences and fundamental matrices. The International Journal of Computer Vision, 22(3):261–289, 1997. -T. Luong. Matrice Fondamentale et Calibration Visuelle sur l’Environnement-Vers une plus grande autonomie des syst`emes robotiques. PhD thesis, Universit´e de Paris-Sud, Centre d’Orsay, December 1992. [22] S. J. Maybank and O. D. Faugeras. A theory of self-calibration of a moving camera. The International Journal of Computer Vision, 8(2):123–152, August 1992.

4 Camera Calibration with 2D Objects: Plane-based Technique In this section, we describe how a camera can be calibrated using a moving plane. We first examine the constraints on the camera’s intrinsic parameters provided by observing a single plane. 1 Homography between the model plane and its image Without loss of generality, we assume the model plane is on Z = 0 of the world coordinate system. 4. Camera Calibration with 2D Objects: Plane Based Technique 19 R by ri . 1), we have       X u X Y       s v = A r1 r2 r3 t   = A r1 r2 t Y  .

1. 1. A central perspective transformation Definition 1. 2. Projective Geometry 47 on the object plane, Πo , to points on the image plane Πi , by intersecting the line through E, called the centre, and X with Πi . We can immediately see the following properties of the planar perspective transformation: – All points on Πo maps to points on Πi except for points on l, where l is defined as the intersection of Πo with the plane incident with E and parallel with Πi . – All points on Πi are images of points on Πo except for points on h, called the horizon, where h is defined as the intersection of Πi with the plane incident with E and parallel with Πo .

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