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1
Intro
2
Outline
3
Linear approximation for imaging process
4
The error effects
5
Model based approaches
6
Deep learning (DL) based approaches
7
Data bottleneck in DL
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Data collection in video superresolution
9
Goal of the talk
10
Image denoising
11
The basic idea
12
Model formulation
13
Numerical method
14
One remark on overfitting issue
15
Quantitative results for real noisy images
16
Qualitative results
17
Latent space verification
18
Real-world noisy images from Huawei
19
Image segmentation
20
Probabilistic model
21
Examples
22
Deep CV model
23
Distributions in latent space
24
Motivation
25
The case of unpaired datasets
26
Unpaired degradation modeling
27
The idea
28
The loss function
29
Inference invariant condition
30
Synthetic noisy images
31
Experiments
32
Visual results
33
Summary
Description:
Explore robust imaging models without paired data in this 56-minute conference talk from the 44th Imaging & Inverse Problems (IMAGINE) OneWorld SIAM-IS Virtual Seminar Series. Delve into Prof. Chenglong Bao's research on combining classical mathematical modeling with deep neural networks to improve interpretability in image processing. Discover how Bayesian inference frameworks can be leveraged to build AI-aided robust models for applications such as image denoising and segmentation. Examine the challenges of collecting paired training data and learn about innovative approaches to overcome this limitation. Gain insights into linear approximation for imaging processes, error effects, and the data bottleneck in deep learning. Analyze quantitative and qualitative results for real noisy images, including examples from Huawei. Understand the probabilistic model for image segmentation and explore unpaired degradation modeling techniques. Conclude with a summary of experimental findings and visual results demonstrating the effectiveness of these novel approaches in practical imaging systems. Read more

Learning Robust Imaging Models without Paired Data

Society for Industrial and Applied Mathematics
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