Video inpainting of occluding and occluded objects
Patwardhan, K.A.; Sapiro, G.; Bertalmio, M.
Image Processing, 2005. ICIP 2005. IEEE International Conference on
Volume 2, Issue , 11-14 Sept. 2005 Page(s): II - 69-72
Digital Object Identifier 10.1109/ICIP.2005.1529993
Summary: We present a basic technique to fill-in missing parts of a video sequence taken from a static camera. Two important cases are considered. The first case is concerned with the removal of non-stationary objects that occlude stationary background. We use a priority based spatio-temporal synthesis scheme for inpainting the stationary background. The second and more difficult case involves filling-in moving objects when they are partially occluded. For this, we propose a priority scheme to first inpaint the occluded moving objects and then fill-in the remaining area with stationary background using the method proposed for the first case. We use as input an optical-flow based mask, which tells if an undamaged pixel is moving or is stationary. The moving object is inpainted by copying patches from undamaged frames, and this copying is independent of the background of the moving object in either frame. This work has applications in a variety of different areas, including video special effects and restoration and enhancement of damaged videos. The examples shown in the paper illustrate these ideas.
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