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Single view metrology from scene constraints
Wang, GH; Hu, ZY; Wu, FC; Tsui, HT
AbstractThe problem of how to retrieve Euclidean entities of a 3D scene from a single uncalibrated image is studied in this paper. We first present two methods to compute the camera projection matrix through the homography of a reference space plane and its vertical vanishing point. Then, we show how to use the projection matrix and some available scene constraints to retrieve geometrical entities of the scene, such as height of an object on the reference plane, measurements on a vertical or arbitrary plane with respect to the reference plane, distance from a point to a line, etc. In particular, the method is further employed to compute the volume and surface area of some regular and symmetric objects from a single image, the undertaking seems no similar report in the literature to our knowledge. In addition, all the algorithms are formulated in an explicit and linear geometric framework, and the involved computation is linear. Finally, extensive experiments on simulated data and real images as well as a comparative test with a closely related method in the literature validate our proposed methods. (c) 2005 Elsevier B.V. All rights reserved.
KeywordComputer Vision Single View Metrology Projective Matrix Metric Measurement Geometrical Constraints
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
Indexed BySCI
WOS Research AreaComputer Science ; Engineering ; Optics
WOS SubjectComputer Science, Artificial Intelligence ; Computer Science, Software Engineering ; Computer Science, Theory & Methods ; Engineering, Electrical & Electronic ; Optics
WOS IDWOS:000231400700007
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Document Type期刊论文
Affiliation1.Aviat Univ Airforce, Dept Control Engn, Changchun 130022, Peoples R China
2.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100080, Peoples R China
3.Chinese Univ Hong Kong, Dept Elect Engn, Shatin, Hong Kong, Peoples R China
Recommended Citation
GB/T 7714
Wang, GH,Hu, ZY,Wu, FC,et al. Single view metrology from scene constraints[J]. IMAGE AND VISION COMPUTING,2005,23(9):831-840.
APA Wang, GH,Hu, ZY,Wu, FC,&Tsui, HT.(2005).Single view metrology from scene constraints.IMAGE AND VISION COMPUTING,23(9),831-840.
MLA Wang, GH,et al."Single view metrology from scene constraints".IMAGE AND VISION COMPUTING 23.9(2005):831-840.
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