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This paper proposes a novel idea based feature selection in the verification system of palmprint, which can realize the specific feature selection for different user using genetic algorithm (GA). In the stage of enrollment, discrete wavelet transforms (DWT) and statistical methods are first used for feature extraction. Then GA is employed for feature selection, which means that each user has a specific...
Computer-aided plant species identification acts significantly on plant digital museum system and systematic botany, which is the groundwork for research and development of plant. This paper presents a new method for plant species identification using leaf image. It focuses on the stable features extraction of leaf, such as the geometrical features of shape and the texture features of venation. The...
This paper proposes a watermarking technique based on image features. Four subimages are obtained from the host image by using subsampling. Wavelet transform is applied to the subimages. A key will be formed by comparing the DWT mid-frequency coefficients of the subimages. In contrast to conventional approaches, our method can strengthen the fidelity of images through considering local image characteristics,...
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