Compression and decompression system with reversible wavelets and lossy reconstruction
First Claim
Patent Images
1. A method for performing a reconstruction of an image, the method comprising:
- receiving a digital signal representative of an image;
generating a reconstruction value of a pixel of the image; and
clipping the reconstruction value if the reconstruction value exceeds the bounds of neighboring coefficients to create reconstructed data for a reconstructed image to be stored, wherein the reconstruction value is clipped to a coefficient value within the bounds of the neighboring coefficients.
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Abstract
A method and apparatus for encoding and decoding data that includes generating transformed signals in response to input data. In one embodiment, the transformed signals are generated using a reversible wavelet transform. The present invention also includes a method and apparatus for compressing the transform signals into data representing a losslessly compressed version of the input data. In one embodiment, the present invention decomposes the input data using reversible wavelet transforms.
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Citations
8 Claims
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1. A method for performing a reconstruction of an image, the method comprising:
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receiving a digital signal representative of an image; generating a reconstruction value of a pixel of the image; and clipping the reconstruction value if the reconstruction value exceeds the bounds of neighboring coefficients to create reconstructed data for a reconstructed image to be stored, wherein the reconstruction value is clipped to a coefficient value within the bounds of the neighboring coefficients. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification