[1] Huang D, Swanson E, Lin C et al. Optical coherence tomography[J]. Science, 254, 1178-1181(1991).
[2] Xu M J, Yang J Z, Zhao D Z et al. An image-enhancement method based on variable-order fractional differential operators[J]. Bio-Medical Materials and Engineering, 26, S1325-S1333(2015).
[3] Rogowska J, Brezinski M E. Image processing techniques for noise removal, enhancement and segmentation of cartilage OCT images[J]. Physics in Medicine and Biology, 47, 641-655(2002).
[7] Schmitt J M, Xiang S H, Yung K M. Speckle in optical coherence tomography[J]. Journal of Biomedical Optics, 4, 95-105(1999).
[8] Iftimia N, Bouma B E, Tearney G J. Speckle reduction in optical coherence tomography by “path length encoded” angular compounding[J]. Journal of Biomedical Optics, 8, 260-263(2003).
[11] Duan J M, Lu W Q, Tench C et al. Denoising optical coherence tomography using second order total generalized variation decomposition[J]. Biomedical Signal Processing and Control, 24, 120-127(2016).
[12] Sudeep P V, Issac Niwas S, Palanisamy P et al. Enhancement and bias removal of optical coherence tomography images: an iterative approach with adaptive bilateral filtering[J]. Computers in Biology and Medicine, 71, 97-107(2016).
[13] Skala M C, Crow M J, Wax A et al. Photothermal optical coherence tomography of epidermal growth factor receptor in live cells using immunotargeted gold nanospheres[J]. Nano Letters, 8, 3461-3467(2008).
[14] Tucker-Schwartz J M, Meyer T A, Patil C A et al. In vivo imaging of gold nanorod contrast agents using photothermal optical coherence tomography[J]. Proceedings of SPIE, 8571, 85712C(2013).
[15] Jeon W, Jeong W, Son K et al. Speckle noise reduction for digital holographic images using multi-scale convolutional neural networks[J]. Optics Letters, 43, 4240-4243(2018).
[17] Zhou K C, Qian R, Degan S et al. Optical coherence refraction tomography[J]. Nature Photonics, 13, 794-802(2019).
[18] Rubinoff I, Beckmann L, Wang Y et al. Speckle reduction in visible-light optical coherence tomography using scan modulation[J]. Neurophotonics, 6, 041107(2019).
[19] Shi F, Cai N, Gu Y B et al. DeSpecNet: a CNN-based method for speckle reduction in retinal optical coherence tomography images[J]. Physics in Medicine and Biology, 64, 175010(2019).
[20] Chen H G, Fu S J, Wang H et al. Speckle reduction based on fractional-order filtering and boosted singular value shrinkage for optical coherence tomography image[J]. Biomedical Signal Processing and Control, 52, 281-292(2019).
[21] Tang P J, Liu S J, Chen J B et al. Cross-correlation photothermal optical coherence tomography with high effective resolution[J]. Optics Letters, 42, 4974-4977(2017).
[22] Mallat S G. A theory for multiresolution signal decomposition: the wavelet representation[J]. IEEE Transactions on Pattern Analysis and Machine Intelligence, 11, 674-693(1989).
[24] Rogowska J, Brezinski M E. Evaluation of the adaptive speckle suppression filter for coronary optical coherence tomography imaging[J]. IEEE Transactions on Medical Imaging, 19, 1261-1266(2000).
[25] Wei W Y. New Ostu image segmentation based on intensity stretching on DWT fields[J]. Journal of Northwest Normal University (Natural Science), 45, 46-48(2009).