Mr. Jiaqi Liu Profile

Jiaqi Liu

at Nanjing Univ of Science and Technology

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Proceedings Article | 8 October 2015 Paper

A novel method of target recognition based on 3D-color-space locally adaptive regression kernels model

Jiaqi Liu, Jing Han, Yi Zhang, Lianfa Bai

Proceedings Volume 9675, 96753A (2015) https://doi.org/10.1117/12.2205151

KEYWORDS: RGB color model, 3D modeling, 3D image processing, Target recognition, 3D acquisition, Visualization, Principal component analysis, Composites, Statistical modeling, Target detection

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Locally adaptive regression kernels model can describe the edge shape of images accurately and graphic trend of images integrally, but it did not consider images’ color information while the color is an important element of an image. Therefore, we present a novel method of target recognition based on 3-D-color-space locally adaptive regression kernels model. Different from the general additional color information, this method directly calculate the local similarity features of 3-D data from the color image. The proposed method uses a few examples of an object as a query to detect generic objects with incompact, complex and changeable shapes. Our method involves three phases: First, calculating the novel color-space descriptors from the RGB color space of query image which measure the likeness of a voxel to its surroundings. Salient features which include spatial- dimensional and color -dimensional information are extracted from said descriptors, and simplifying them to construct a non-similar local structure feature set of the object class by principal components analysis (PCA). Second, we compare the salient features with analogous features from the target image. This comparison is done using a matrix generalization of the cosine similarity measure. Then the similar structures in the target image are obtained using local similarity structure statistical matching. Finally, we use the method of non-maxima suppression in the similarity image to extract the object position and mark the object in the test image. Experimental results demonstrate that our approach is effective and accurate in improving the ability to identify targets.

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