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This paper address issues that arise in copyright protection systems of digital images, which employ blind watermark verification structures in the curvelet domain. First, we observe that statistical distribution with heavy algebraic tails, such as the alpha-stable family, are in many cases more accurate modeling tools for the curvelet coefficients than(More)
Rough logic is a nonstandard logic defined information systems. In the paper, meaning of the logical formulas is defined as granulation. Operations, related properties of the granulations are discussed further. Lock resolution of the granulations is studied. Studying significance of the granulations will offer an application in inference of expert systems.(More)
Western industrial cluster literature pays little attention to specialized markets (SMs) and the geographical agglomeration of distributors or sale agencies (SAs). This paper takes Linyin, Shandong, a famous commodity city in Northeastern China, as an example, to discuss the determinants that make SAs in SMs of the toy industry move towards upstream(More)
This paper discusses a type of intelligent transfusion system based on computer vision, which key is the algorithm of image segmentation and liquid level detection. The template matching is adopted for image segmentation, and a fast and efficient automatic detection algorithm is proposed to detect liquid level by designing temporal difference, accumulative(More)
The WRKY gene family, which encodes proteins in the regulation processes of diverse developmental stages, is one of the largest families of transcription factors in higher plants. In this study, by searching for interspecies gene colinearity (microsynteny) and dating the age distributions of duplicated genes, we found 35 chromosomal segments of subgroup I(More)
Developing an effective target appearance model is a challenging task due to the influence of factors such as partial occlusion, illumination variations, fast motion, etc. Existing appearance models usually utilize the tracking results from previous frames as target templates upon which the target appearance model is built by linear combinations of the(More)