[1] Liu Y, Wang Z, Huang J H. Recent progress on aberration compensation and coherent noise suppression in digital holography[J]. Applied Sciences, 8, 444(2018).

[2] Quan C G, Kang X, Tay C J. Speckle noise reduction in digital holography by multiple holograms[J]. Optical Engineering, 46, 115801(2007).

[3] Rong L, Xiao W, Pan F et al. Speckle noise reduction in digital holography by use of multiple polarization holograms[J]. Chinese Optics Letters, 8, 653-655(2010).

[4] Xiao W, Zhang J, Rong L et al. Improvement of speckle noise suppression in digital holography by rotating linear polarization state[J]. Chinese Optics Letters, 9, 060901(2011).

[5] Nomura T, Okamura M, Nitanai E et al. Image quality improvement of digital holography by superposition of reconstructed images obtained by multiple wavelengths[J]. Applied Optics, 47, D38-D43(2008).

[6] Pan F, Xiao W, Liu S et al. Coherent noise reduction in digital holographic phase contrast microscopy by slightly shifting object[J]. Optics Express, 19, 3862-3869(2011).

[7] Liu Y, Wang Z, Huang J H et al. Coherent noise reduction of reconstruction of digital holographic microscopy using a laterally shifting hologram aperture[J]. Optical Engineering, 55, 121725(2016).

[8] Cai X O. Reduction of speckle noise in the reconstructed image of digital holography[J]. Optik, 121, 394-399(2010).

[9] Zhang H X, Wang Q, Zhang T F et al. A denoising method for intensity images of laser active imaging system[J]. Electronics Optics & Control, 23, 52-56(2016).

[10] Fukuoka T, Mori Y, Nomura T. Speckle reduction by spatial-domain mask in digital holography[J]. Journal of Display Technology, 12, 315-322(2016).

[11] Di J L, Tang J, Wu J et al. Research progress in the applications of convolutional neural networks in optical information processing[J]. Laser & Optoelectronics Progress, 58, 1600001(2021).

[12] Wang Y, Zhang M L, Wang Y et al. Partially coherent illumination-based digital holographic microscopy and its applications[J]. Laser & Optoelectronics Progress, 58, 1811005(2021).

[13] Wan Y H, Liu C, Man T L et al. Incoherent correlation digital holography: principle, development, and applications[J]. Laser & Optoelectronics Progress, 58, 1811004(2021).

[14] Ding H F, Popescu G. Instantaneous spatial light interference microscopy[J]. Optics Express, 18, 1569-1575(2010).

[15] Bhaduri B, Pham H, Mir M et al. Diffraction phase microscopy with white light[J]. Optics Letters, 37, 1094-1096(2012).

[16] León-Rodríguez M, Rodríguez-Vera R, Rayas J A et al. High topographical accuracy by optical shot noise reduction in digital holographic microscopy[J]. Journal of Optical Society of America A, 29, 498-506(2012).

[17] Garcia-Sucerquia J. Noise reduction in digital lensless holographic microscopy by engineering the light from a light-emitting diode[J]. Applied Optics, 52, A232-A239(2013).

[18] Dubois F, Callens N, Yourassowsky C et al. Digital holographic microscopy with reduced spatial coherence for three-dimensional particle flow analysis[J]. Applied Optics, 45, 864-871(2006).

[19] Choi Y, Yang T D, Lee K J et al. Full-field and single-shot quantitative phase microscopy using dynamic speckle illumination[J]. Optics Letters, 36, 2465-2467(2011).

[20] Kubota S, Goodman J W. Very efficient speckle contrast reduction realized by moving diffuser device[J]. Applied Optics, 49, 4385-4391(2010).

[21] Kuratomi Y, Sekiya K, Satoh H et al. Speckle reduction mechanism in laser rear projection displays using a small moving diffuser[J]. Journal of the Optical Society of America A, 27, 1812-1817(2010).

[22] Hamid F, Jeeranan B, Byung J C et al. Speckle reduction in quantitative phase imaging by generating spatially incoherent laser field at electroactive optical diffusers[J]. Optics Express, 25, 10791-10800(2017).

[23] Choi Y, Hosseini P, Choi W et al. Dynamic speckle illumination wide-field reflection phase microscopy[J]. Optics Letters, 39, 6062-6065(2014).

[24] Tu Q, Yu Y J, Zhou W J. A method to eliminate the noise of holographic system by using a rotated diffuser[J]. Optical Instruments, 36, 337-341(2014).

[25] Liu Y, Bu P H, Jiao M X et al. Dynamic speckle illumination digital holographic microscopy by doubly scattered system[J]. Photonics, 8, 276(2021).

[26] Li D Y, Kelly D P, Sheridan J T. K speckle: space-time correlation function of doubly scattered light in an imaging system[J]. Journal of the Optical Society of America A, 30, 969-978(2013).

[27] Li D Y, Kelly D P, Sheridan J T. Speckle suppression by doubly scattering systems[J]. Applied Optics, 52, 8617-8626(2013).

[28] Meng P H. Speckle reduction in digital holography coherence imaging system[D], 17-19(2013).