Bin ZUO, Qiang XU, Ran PANG, Jinlong XIE, Yuwei ZHAI, Fang GAO. Block Image Enhancement Method Based on Global Adaptive Processing[J]. Acta Photonica Sinica, 2023, 52(4): 0428003
- Acta Photonica Sinica
- Vol. 52, Issue 4, 0428003 (2023)
Fig. 1. The framework of the algorithm
Fig. 2. Dividing the original image into image blocks
Fig. 3. The locally stretched image
Fig. 4. One wide-histogram-body-class image and its grayscale histogram
Fig. 5. One narrow-histogram-body-class image and its grayscale histogram
Fig. 6. The block enhanced image and noise block distribution obtained by adjacent block identification
Fig. 7. Comparison of enhanced effects of the port image by different methods
Fig. 8. Comparison of enhanced effects of the sea surface image by different methods
Fig. 9. Comparison of enhanced effects of the cloud image by different methods
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Table 1. Comparison of enhancement evaluation index of different methods
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Table 2. The running average time of different methods
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