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Hierarchical correspondance of gray connected components in stereo images using epipolar geometry

100%

Wang Y. , Bhattacharya P.

tom Vol. 8, No. 1

19-54

In this paper, we propose a new feature--based method for stereo matching. The matching primitives that we use are the boundaries of cerain parameter--dependet connected components of images. Under cerain assumptions, there is a one--to--one correspondence between subsets of the points on the boundaries of connected components of stereo pairs. This correspondance can be identified using the epipolar geometry. Using matched biundareies, we can identify the corresponding connected components determined by the boundaries. By changing the values of the parameters, we obtain a hierarchy of connected components in a gray image, which in turn provides us with a hierarchical stereo correspondance method.

An active structure approach to stereo matching

86%

Philipp M.

Machine Graphics and Vision

2000

tom Vol. 9, No. 3

633-645

A new global method of image matching in stereopsis is proposed. It relies on the matching of points (tokens) belonging to image edges. The matching is based on the smooth disparity field constraint and the intensity-constancy constrain on the tokens using epipolar geometry. The paper describes the way the tokens are chosen and the matching prosedure. Results are presented for sample image pairs.

Analysis of 3D photogrammetric reconstruction

86%

Velichova D.

tom Vol. 30

59--62

Paper brings information about process of analytics reconstruction of 3D real data of objects selected from photographic images using software application CamWitt. Reconstruction algorithms are based on classical methods of photogrammetry and principles of epipolar geometry.

W pracy podano analityczną metodę odtwarzania rzeczywistych danych 3D obiektów wybranych z obrazów fotograficznych za pomocą aplikacji CamWitt. Algorytmy rekonstrukcji oparte są na klasycznych metodach fotogrametrii i zasadach geometrii epipolarnej.