Wenfei Zhang, Liyong Ren, Fei Xing, Fang Zhang, Xiaolu Ge, Guomei Wang, Shenggui Fu. Novel Polarimetric Dehazing Method Using Discrete Cosine Transform Based Laplacian Pyramid[J]. Laser & Optoelectronics Progress, 2020, 57(6): 061102
- Laser & Optoelectronics Progress
- Vol. 57, Issue 6, 061102 (2020)
Fig. 1. Schematic of image pyramid
Fig. 2. Flowchart of Laplacian pyramid construction and reconstruction. (a) Construction; (b) reconstruction
Fig. 3. Schematic of the construction for the second level in Laplacian pyramid. (a) The second level of image pyramid; (b) the third level of image pyramid; (c) expanded image of the third level of image pyramid; (d) the second level of Laplacian pyramid
Fig. 4. Images of pyramid. (a) Image pyramid; (b) Laplacian pyramid
Fig. 5. Schematic of the imaging model in haze
Fig. 6. Hazy images with different polarization states. (a) I0; (b) I45; (c) I90; (d) I135
Fig. 7. Dehazing results by different methods. (a) Hazy images; (b) MSRCR; (c) DCP; (d) proposed method
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Table 1. Contrast results of different dehazing methods
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Table 2. NIQE results of different dehazing methods
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