29 October 2014 Texture-adaptive hyperspectral video acquisition system with a spatial light modulator
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Abstract
We present a new hybrid camera system based on spatial light modulator (SLM) to capture texture-adaptive high-resolution hyperspectral video. The hybrid camera system records a hyperspectral video with low spatial resolution using a gray camera and a high-spatial resolution video using a RGB camera. The hyperspectral video is subsampled by the SLM. The subsampled points can be adaptively selected according to the texture characteristic of the scene by combining with digital imaging analysis and computational processing. In this paper, we propose an adaptive sampling method utilizing texture segmentation and wavelet transform (WT). We also demonstrate the effectiveness of the sampled pattern on the SLM with the proposed method.
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Xiaojing Fang, Jiao Feng, Yongjin Wang, "Texture-adaptive hyperspectral video acquisition system with a spatial light modulator", Proc. SPIE 9273, Optoelectronic Imaging and Multimedia Technology III, 92730F (29 October 2014); doi: 10.1117/12.2071445; https://doi.org/10.1117/12.2071445
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