This paper presented an automatic panorama generation and free roaming algorithm for the tedious previous approaches
on panorama generation and limitations of single-viewpoint roaming. Firstly, it describes the single-viewpoint panorama
generation method: detecting the image point features in SIFT operator, getting the robust homography estimation in
RANSAC and stitching the panoramic images by multi-band blending. Secondly, we present the free roaming method. In
this method the corresponding pixels in new-viewpoint image can be set from the original images matching points and the
new-viewpoint image can be blended by corresponding TIN piece rendering at last. Experimental results show that it is
practicable and meets the actual requirements.
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