DIBR 3 Feature Points Based Watermarking Method for Depth-Image-Based Rendering Based 3D Images and Apparatus Therefor

摘要

The feature point-based watermarking method and apparatus for DIBR 3-dimensional image is disclosed. A feature point-based watermark insertion method according to one embodiment of the present invention includes the steps of extracting feature points from the image; Determining an insertion region for inserting the watermark on the basis of the extracted feature points; Converting the determined insertion region in the frequency domain from the spatial domain, and inserts a predetermined watermark into the insertion region is transformed to the frequency domain; And a step of converting the insertion area of ​​the watermark is inserted in the space domain.;