Rephotography using Image Collections

• Main Authors: Kun-Ting Li, 李坤庭
• Other Authors: Bing-Yu Chen
• Format: Others
• Language: zh-TW
• Published: 2011
• Online Access: http://ndltd.ncl.edu.tw/handle/47623233470222444241

碩士 === 國立臺灣大學 === 資訊網路與多媒體研究所 === 99 === This thesis proposes a novel system that ``rephotographs'' a historical photograph with a collection of images. Rather than finding the accurate viewpoint of the historical photo, users only need to take a number of photographs around the target scene. We adopt the structure from motion technique to estimate the spatial relationship among these photographs, and construct a 3D point cloud. Based on the user-specified correspondences between the projected 3D point cloud and historical photograph, the camera parameters of the historical photograph can be estimated. We then combine forwarding and backward warping images to render an initial result. Finally, inpainting and content-preserving warping are used to refine it, and the photograph at the same viewpoint of the historical one can be produced by this photo collection.