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Contrast enhancement of optical coherence tomography images using least squares fitting and histogram matching |
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| Authors: | Yiheng Liu Zhengrong Tong Guoguang Mu |
| Affiliation: | a Institute of Modern Optics, Nankai University, Key Laboratory of Opto-electronic Information Science and Technology, Education Ministry of China, Tianjin 300071, China b School of Electronics Information and Communications Engineering, Tianjin University of Technology, Tianjin 300191, China |
| Abstract: | A method of contrast enhancement of optical coherence tomography (OCT) images based on least squares fitting and histogram matching is presented. Several different functions are adopted as the probability density functions of the gray levels to fit the normalized histogram of an OCT image and histogram matching is used to enhance the OCT image automatically. The effectiveness of the method is proved by the experimental results. |
| Keywords: | Optical coherence tomography Contrast enhancement Histogram matching |
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