Center for Advanced Computer Studies, University of Louisiana at Lafayette, 70504-4330, USA.
IEEE Trans Pattern Anal Mach Intell. 2011 Mar;33(3):446-58. doi: 10.1109/TPAMI.2010.96.
The ray projection and its application to recovering a projective geometric transformation and an affine lighting change between two objects are mathematically studied. A novel technique, viz., variable contour, is proposed for accurately evaluating the ray projection. Moreover, a novel flexible framework of the ray projection is devised for the joint recovery of the eight parameters for the projective transformation and the two parameters for the lighting change. Finally, the framework is experimentally evaluated by recovering a variety of geometric and photometric transformations between real images of indoor and outdoor scenes. Its robustness to image blur and occlusion is demonstrated. Its versatility is illustrated through matching different objects in different classes.
研究了光线投射及其在恢复两个物体之间的射影几何变换和仿射光照变化中的应用。提出了一种新颖的技术，即可变轮廓，用于准确评估光线投射。此外，还设计了一种新颖的光线投射灵活框架，用于联合恢复射影变换的八个参数和光照变化的两个参数。最后，通过恢复室内和室外场景的真实图像之间的各种几何和光度变换来对框架进行实验评估。演示了其对图像模糊和遮挡的鲁棒性。通过匹配不同类别的不同对象说明了其多功能性。
Zotero 插件