Advanced Real-Time Manipulation of Video Streams by Jan Herling PDF

By Jan Herling

ISBN-10: 3658058099

ISBN-13: 9783658058098

ISBN-10: 3658058102

ISBN-13: 9783658058104

Diminished truth is a brand new attention-grabbing expertise that eliminates real-world content material from stay video streams. This sensational dwell video manipulation really gets rid of genuine items and generates a coherent video circulate in real-time. audience can't discover transformed content material. present ways are limited to relocating gadgets and static or nearly static cameras and don't let real-time manipulation of video content material. Jan Herling offers a brand new and cutting edge procedure for real-time item removing with arbitrary digicam movements.

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Extra resources for Advanced Real-Time Manipulation of Video Streams

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A) Original image with mask, b) initial (horizontal) gradient image, c) final (horizontal) gradient image, d) resulting color image after solving the Poisson equation. The images are kindly received by the author of [85]. The major difference compared to previous approaches is the application of a principal component analysis (PCA) to reduce the dimensions of the data set. Although this transformation requires a certain length of training time for each pyramid layer, the overall patch matching process can be improved due to the reduced data set.

1, a simplified overview of the above presented approaches is given to compare the most significant differences between the individual approaches. 9, a detailed performance analysis is provided for all introduced approaches. 3 Image Composition In the following the image processing approach of Hays et al. [39] is introduced that does neither match to the category of image inpainting approaches nor to the category of image manipulation algorithms. Hays et al. proposed a different way to handle the task of content removal.

This replacement is repeated until the hole is closed. In contrast to the approach of Bertalmio, this approach uses a correspondence map for all pixels inside the undesired pixel area. The correspondence map stores exactly one reference pixel from the remaining image content for each hole pixel. This map is defined based on the visual appearance of the eight direct surrounding neighborhoods of each pixel. Demanet et al. further introduced several optimizations such as a randomized matching search, mapping propagation for neighboring pixels (like Ashikhmin [2]) and a multiresolution approach to improve the overall performance.

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Advanced Real-Time Manipulation of Video Streams by Jan Herling


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