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When a high dynamic range (HDR) image is synthesized by using a set of differently exposed low dynamic range (LDR) images, it is important to design an anti-ghost scheme to prevent ghosting artifacts from the final HDR image. An anti-ghosting process is typically comprised of detection and correction of moving regions. In this paper, we propose a new method to estimate intensity mapping functions...
It is known that in the field of image synthesis, multi-frame image processing can produce better results than just single-image enhancement techniques. Such a technique uses similarity assessment to select the images for synthesis. In this paper, we propose a new image similarity assessment index by using complex wavelet. It is found that the proposed index is robust to small rotations and translations...
Based on a 1 km Chinese land cover product and a 1 km Chinese vegetation NPP product using MODIS, we have calculated some Chinese grassland productivity indexes of the year 2001. The results match the actual distribution of Chinese grassland productivity well.
Data collections often have inconsistencies that arise due to a variety of reasons, and it is desirable to be able to identify and resolve them efficiently. Similarity queries are commonly used in data cleaning for matching similar data. In this work we concentrate on the following problem of approximate string matching based on edit distance: from a collection of strings, how to find those strings...
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