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Common e-commerce websites rely heavily on JPEG images for product presentation. In this paper we present a new coding scheme and file format that is tailored to the presentation of single-color products. A JPEG image file can be transcoded into this new format leading to substantial reduction in file size (Average of 28%) with practically no quality degradation. We describe how we can take advantage...
E-commerce websites rely heavily on JPEG images for product presentation. We describe a new coding scheme and file format that is tailored to the presentation of single-color products with multiple color choices: Instead of using multiple files of the same product at different colors, the new file format allows the transmission of all color choices in one file. On the decoder side images of the same...
In this paper, we present a novel and low-complexity lossless compression for gray-scale images. The gray-scale image is first separated into bit-planes. These bit-planes are then performed a binary wavelet transform (BWT) to obtain an efficient representation for compression. The BWT bits of significant bit-planes are then encoded by the run-length coder that uses Golomb-Rice codes for run-encoding...
E-commerce websites rely heavily on JPEG images for product presentation. We describe a new coding scheme and file format that is tailored to the presentation of single-color products with multiple color choices: Instead of using multiple files of the same product at different colors, the new file format allows the transmission of all color choices in one file. On the decoder side images of the same...
Common e-commerce websites rely heavily on JPEG images for product presentation. In this paper we present a new coding scheme and file format that is tailored to the presentation of single-color products. A JPEG image file can be transcoded into this new format leading to substantial reduction in file size (Average of 28%) with practically no quality degradation. We describe how we can take advantage...
Many image or video coding standards that are based on discrete cosine transform (DCT) rely on a step size matrix to normalize the DCT coefficients prior to quantization. The JPEG lossy image coding standard, for example, transmits the step size matrix as part of the bit-stream. In this study we present several low complexity lossless and lossy compression schemes that are applicable to the step size...
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