3 papers
cs.CV2025
CircleFlow: Flow-Guided Camera Blur Estimation using a Circle Grid Target
Jiajian He, Enjie Hu, Shiqi Chen +4
The point spread function (PSF) serves as a fundamental descriptor linking the real-world scene to the captured signal, manifesting as camera blur. Accurate PSF estimation is cruci…
eess.IV2025
A Deep Unfolding Framework for Diffractive Snapshot Spectral Imaging
Zhengyue Zhuge, Jiahui Xu, Shiqi Chen +4
Snapshot hyperspectral imaging systems acquire spectral data cubes through compressed sensing. Recently, diffractive snapshot spectral imaging (DSSI) methods have attracted signifi…
cs.CV2024
Successive optimization of optics and post-processing with differentiable coherent PSF operator and field information
Zheng Ren, Jingwen Zhou, Wenguan Zhang +4
Recently, the joint design of optical systems and downstream algorithms is showing significant potential. However, existing rays-described methods are limited to optimizing geometr…