传感技术学报2024，Vol.37Issue(2)：310-316,7.DOI:10.3969/j.issn.1004-1699.2024.02.016
电子剪切散斑3CCD传感图像特征去噪优化检测方法
An Optimized Detection Method of Electronic Shear Speckle 3CCD Sensing Image Feature Denoising
摘要
Abstract
Aiming at the problem of poor quality and detection effect of shearing speckle pattern due to high speckle index and low peak signal to noise ratio of electronic shearing speckle interference image acquired by CCD(Charge coupled Device)optical sensor,an opti-mized detection method for feature denoising of 3CCD sensing image of electronic shearing speckle is proposed.The reason of the problems caused by the electronic shearing speckle technique in the surface deformation detection of three-dimensional objects are analyzed.The 3CCD image sensor is used instead of the single CCD image sensor.The homomorphic filtering noise reduction processing image is intro-duced,and a phase interferometry technique is designed,which is combined with the Canny detection algorithm to achieve the optimal de-tection of electronic shearing speckle denoising.The experimental results show that the electronic shear speckle intelligent detection meth-od using 3CCD sensor and denoising technology has lower image speckle index,higher peak signal-to-noise ratio and shorter detection time,which are 0.023 4,19.5 dB and 16.2 ms respectively.The surface deformation measurement error of three-dimensional objects is within 0.09 mm,indicating that the method effectively improves the image quality and thus improves the practical application value.关键词
光学传感器/电子剪切散斑检测/同态滤波/相位干涉/3CCD/降低误差/去噪优化Key words
optical sensor/electronic shear speckle detection/homomorphic filtering/phase interference/3CCD/reduce errors/denoising optimization分类
信息技术与安全科学引用本文复制引用
杜朝,卫雅芬..电子剪切散斑3CCD传感图像特征去噪优化检测方法[J].传感技术学报,2024,37(2):310-316,7.基金项目
江苏省科技计划项目(BE2021354) （BE2021354）
