D. Taubman and A. Zakhor. Orientation adaptive subband coding of images. IEEE Trans. Image Processing, 3(4):421--437, July 1994. Home/Search Document Not in Database Summary Related Articles Check |
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Image Compression with Function Trees - Battiato, Gallo, Nicotra (2001) (Correct)
.... data structures for representing and or compressing digital images [2] 3] 4] It is possible to find applications of quad tree decomposition in many different contexts, such as the compression of sub band coefficients in wavelet decomposition and coding of the sub blocks data in EBCOT algorithm [5][6] The quad tree decomposition is an important tool for fractal image compression where many suitable smart variants of quad trees are used and applied (see [7] for a detailed survey) Function tree representation, introduced in [1] is another possible improvement of the original scheme ....
....a suitable data structure, i.e. a record storing all the relevant information. The structure of a typical node, together with a rough estimate of its content in bit is schematically reported in Figure 2. Graph of a discrete function Region Below Trapezoidal region Direction: South Boundary: [6,7,6,5,4,5,5,6] Figure 2. Scheme of the record relative to a node in a function tree. Function trees may be computed in the very same fashion than quad trees. In short a typical algorithm recursively reads the input, creates a new node in the tree and checks if the corresponding sub region is entirely black, ....
D. Taubman and A. Zakhor, "Orientation Adaptive Subband Coding of Images", IEEE Trans. on Image Processing. Vol. 3, No. 4, pp. 421-437, July 1994;
Efficient Implementation of Deformable Filter Banks - Manduchi, Perona, Shy (1997) (1 citation) (Correct)
....problems (enhancement, denoising) may also be approached successfully using elementary descriptors such as edges and textures. Image compression schemes using sub bands coders, oriented along the preferred texture orientation in the image, proved advantageous in terms of visual rendition [1, 2, 3, 4, 5, 6]. Velocity may be interpreted as orientation in spatio temporal domain, and motion compensated spatio temporal filters may be used succesfully for prediction, interpolation and smoothing [7] as well as for coding [8] Regardless of the specific descriptor of interest, most techniques start ....
D. Taubman and A. Zakhor. Orientation adaptive subband coding of images. IEEE Trans. Image Processing, 3(4):421--437, July 1994.
Efficient Implementation of Deformable Filter Banks - Manduchi, Perona, Shy (1997) (1 citation) (Correct)
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D. Taubman and A. Zakhor. Orientation adaptive subband coding of images. IEEE Trans. Image Processing, 3(4):421--437, July 1994.
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