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Non-Blind Deblurring for Fluorescence: A Deformable Latent Space Approach with Kernel Parameterization

Journal Article · · Proceedings - IEEE Workshop on Applications of Computer Vision

We report N\non-blind deblurring (NBD) is a modeling method of the image deblurring problem in computer vision, where the blurring kernel is known or can be externally estimated. In this paper, we attempt to solve a parametric NBD problem, inspired by the simultaneous acquisition of ptychography and fluorescent imaging (FI). Ptychography is an imaging method that favors larger probes, i.e. convolutional kernels, while FI relies on a small probe for high resolution. Also, the kernel can be solved during ptychographic reconstruction. With Ptycho-FI using the same larger kernel, we can perform NBD on the blurred fluorescent images to achieve high-resolution FI, and thus speed up the experiments. To this end, we design a deep latent space deformation network that is directly parameterized by the kernel. The network consists of three components: encoder, deformer, and decoder, where the deformer is specifically meant to rectify the latent space representations of blurred images to a standard latent space, regardless of the kernel. The deformation network is trained with a two-stage training scheme. We conduct extensive experiments to confirm that our parametric model can adapt to drastically different blurring kernels and perform robust deblurring.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation
Grant/Contract Number:
SC0012704
OSTI ID:
1887817
Report Number(s):
BNL-223348-2022-JAAM
Journal Information:
Proceedings - IEEE Workshop on Applications of Computer Vision, Journal Name: Proceedings - IEEE Workshop on Applications of Computer Vision Vol. 2022; ISSN 1550-5790
Publisher:
IEEECopyright Statement
Country of Publication:
United States
Language:
English

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