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In this paper a scheme of utilizing shape independent basis functions for the hierarchical multiresolution image compression is shown. For a given image texture region segmentation method is used. Following polygonal approximation of created segments causes a degradation of their boundaries. Using NURBS and Bezier interpolation and approximation segments' boundaries are created, thus achieving an...
Arbitrarily shaped video objects are an important concept in modern video coding methods. The techniques presently used are not based on image elements but rather video objects having an arbitrary shape. The contour of this shape has to be transmitted and therefore compressed as well. The example is standard MPEG-4. In mobile video communication, transmission errors and loss of data can occur. In...
For error masking in the static images, it is good to know image classification. Having an effective classificator, we should achieve selecting a method good enough for restoration of missing image segments. It is very important especially for texture images. Common methods usually fail in these cases. It is necessary to select the method, which is dedicated for synthesizing an image or for inpainting...
For the communication via digital video, many techniques presently used are not based on image elements but rather video objects having an arbitrary shape. The contour of this shape has to be transmitted and therefore compressed as well. The example is standard MPEG-4. In mobile video communication, transmission errors and loss of data will occur. In the paper, different approaches to object contour...
A scheme of utilizing shape independent basis functions for the hierarchical multiresolution image compression is shown. First, the input image is segmented and its segmentspsila boundaries are NURBS approximated, thus achieving an image mask. Second, this image mask and the image are used as the input of the tree-level hierarchical encoder. Hierarchical encoder subsamples image and image mask and...
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