Camera lens defect enhancement algorithm based on improved gamma transform
H Zhang, C Hua, J Ma - 2021 40th Chinese Control Conference …, 2021 - ieeexplore.ieee.org
An image enhancement algorithm based on local entropy and local standard deviation to
improve gamma transform was proposed to solve the problem of camera lens blue spot …
improve gamma transform was proposed to solve the problem of camera lens blue spot …
High-contrast dark-field imaging method for detecting optical surface micro-defects
L Li, Q Liu, X Zhang - … Symposium on Novel Technology of X …, 2019 - spiedigitallibrary.org
Surface and subsurface defects significantly impact on the performance of optical
components, especially on high-power laser optics, of which the damage threshold will be …
components, especially on high-power laser optics, of which the damage threshold will be …