Image and video coding standards, such as JPEG, H.264/AVC, are widely used in industry. In these standards, block-based transforms are employed to compact signal energy. The transform coefficients are coarsely quantized. The quantization is the source error that causes coding artifacts, such as bl.....
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Although the hardware on imaging has a significant development in the past decades, the dynamic range of light we can reproduce is still quite limited compared to that of the real world. Particularly, people are often troubled when taking a photograph by that: a picture is under or over-exposed. T.....
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It Makes More Sense Internet users have long been able to communicate using text, images and sound. Now, thanks to new technology developed at the Chinese University of Hong Kong, another means of interaction can be added to the list: the ability to touch. While costly existing systems for remote .....
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