摘要
全景环形透镜(PAL)利用平面圆柱投影法(FCP),将三维空间的像成在一个环形区域,由于其成像原理不同于人眼习惯的中心投影法(CCP),故不利于人眼的观察以及测量,极大地限制了PAL的应用领域。现提出了一种新的展开方法,实现了从FCP到CCP的转换,结果表明,三维立体空间环形像的展开效果良好,更符合人的观察习惯,极大地拓展了PAL的应用领域。
Panoramic annular lens （PAL） is based on the principle of flat cylinder perspective（FCP）, it images the three-dimensional space around its axis onto a two-dimensional annular space. For the principle it based on is FCP, which is different from central convergence perspective （CCP） , the way human use to view the world. So the image of PAL doesn＇t suit with our human, thus limits the usage of PAL, In this article, a new image process method is provided by the method of changing the principle of FCP to CCP, and expands the use of PAL into the three-dimensional space, makes it possible to the fields of endoscope, navigation, robot vision and large-scale inspection.
出处
《光学仪器》
2005年第6期43-47,共5页
Optical Instruments
关键词
全景环形透镜(PAL)
图像处理
线性化
立体视觉
实时监测
panoramic annular lens （PAL）
image processing
linearization
three-dimensional vision
real-time inspection
