Download e-book for iPad: Advanced Real-Time Manipulation of Video Streams by Jan Herling

By Jan Herling

ISBN-10: 3658058099

ISBN-13: 9783658058098

ISBN-10: 3658058102

ISBN-13: 9783658058104

Diminished fact is a brand new interesting expertise that gets rid of real-world content material from reside video streams. This sensational stay video manipulation really eliminates genuine items and generates a coherent video circulation in real-time. audience can't realize transformed content material. current methods are constrained to relocating items and static or virtually static cameras and don't let real-time manipulation of video content material. Jan Herling provides a brand new and cutting edge process for real-time item removing with arbitrary digital camera movements.

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Additional info for Advanced Real-Time Manipulation of Video Streams

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2009 The previously introduced approach of Simakov et al. has been improved by Barnes et al. 14: Information propagation of PatchMatch by Barnes et al. Left to right and top to bottom information propagation step for one patch, possible candidates are P ′ and P ′′ and will be compared with Pcurrent , P ′ lies one pixel below Ptop and P ′′ lies one pixel to the right of Plef t . of Simakov with the proposed randomized search and the multiresolution approach of Demanet and the information propagation as proposed by Ashikhmin.

2010 The approach of Takeda et al. [95] allows for removing a near object occluding a distant landscape. The approach is not real-time capable and needs the entire video stream in advance. As the object to be removed is near and the landscape distant, the relative position of the undesired object moves during the video sequence. Takeda determines the homography of the landscape for successive video frames. The near foreground object is removed by copying visual information from previous or prospective images capturing the original background.

Recent state-of-the-art approaches for texture synthesis, image inpainting and image manipulation share the problem that none of them allows realtime computation. A minor number of approaches can be applied with interactive framerates, achieving at most one frame per second (depending on frame and mask dimensions). The majority of approaches introduced need several minutes or even hours to process one single image. The presented approaches may be classified according to several of their individual properties.

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Advanced Real-Time Manipulation of Video Streams by Jan Herling

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