3D to 2D bijection for spherical objects under equidistant fisheye projection
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- 作者：Aamir Ahmad ; aahmad@isr.ist.utl.pt" class="auth_mail ; Joã ; o Xavier jxavier@isr.ist.utl.pt" class="auth_mail ; José ; Santos-Victor jasv@isr.ist.utl.pt" class="auth_mail ; Pedro Lima pal@isr.ist.utl.pt" class="auth_mail
- 关键词：Equidistant projection ; Fisheye lens ; Spherical object detection ; Omnidirectional vision ; 3D detection
- 刊名：Computer Vision and Image Understanding
- 出版年：August 2014
- 年：2014
- 卷：125
- 期：Complete
- 页码：172-183
- 全文大小：1775 K
文摘
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Detecting the 3D position of a known-radius spherical object with a single camera.
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A bijection principle between the spherical object in 3D and its image in 2D.
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The core contribution is the formal proof of the bijection principle.
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A fish-eye lens-based camera with equidistant projection model is used.
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Experimental verification of the bijection principle is provided.