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Content-based image retrieval (CBIR) is an interesting but difficult topic of research. It uses the visual features to achieve the image searching on database. In this paper, we propose an image indexing for CBIR based on color feature, which consider both the computational complexity and the spatial relationship. We use a 3D mathematical model to design the color codebook and exploit the feature...
The integer color transform is a reversible operation that can transform one color coordinate into another one and both the inputs and the outputs are of integer forms. In this paper, we improve the integer color transforms derived in previous works. First, we relax the constraint that the scaling for each row should be the same. From this, the method of deriving the integer color transform becomes...
A music similarity measure system based on the instrumentation information is proposed in this paper. We combine our previous instrumentation analysis algorithm with a newly designed similarity measure system, which aims at comparing songs solely on their instrumentation content. Several midlevel features are designed and integrated along with the existing low-level feature MFCCs. The weighted distance...
Digital watermark is used to prove the rightful ownership or protect a customer's right of using the medium. Liu et al. proposed a SVD-based watermarking scheme, but their method has a serious defect; for un-watermarked images it still incorrectly extracts out the watermark. In this paper, we propose an improved SVD-based watermarking method to resolve this defect. We will show our method is successful...
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