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Implementing automatic visual tracking for underwater robots often remains a great challenge. In this paper, we demonstrate an active visual tracking case with a free-swimming robotic fish by use of a combination of TI DM3730-centered embedded hardware and software. Specifically, automatic recognition algorithms mainly involving color-based identification and shape-based identification are proposed...
In scene categorization, one single histogram based on the sole universal codebook is used to characterize an image in most state-of-the-art scene categorization methods, which is lack of enough discriminative ability to separate the images among different categories and results in low classification accuracy. In order to solve the problem, in this paper, we propose a novel scene categorization approach...
A novel geometry based matching approach is proposed for images with multi objects. In the proposed method, shape and topology ordered graphic is developed to model both shape and structural information for images. Vertexes are used to represent shape attributes, while edges are employed to define structural attributes between objects. The similarity between images is measured with two consecutive...
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