Search Results for author: Shangquan Sun

Found 7 papers, 5 papers with code

Semi-Supervised State-Space Model with Dynamic Stacking Filter for Real-World Video Deraining

no code implementations CVPR 2025 Shangquan Sun, Wenqi Ren, Juxiang Zhou, Shu Wang, Jianhou Gan, Xiaochun Cao

Significant progress has been made in video restoration under rainy conditions over the past decade, largely propelled by advancements in deep learning.

object-detection Object Detection +3

EnsIR: An Ensemble Algorithm for Image Restoration via Gaussian Mixture Models

1 code implementation30 Oct 2024 Shangquan Sun, Wenqi Ren, Zikun Liu, Hyunhee Park, Rui Wang, Xiaochun Cao

We estimate the range-wise ensemble weights on a reference set and store them in a lookup table (LUT) for efficient ensemble inference on the test set.

Deblurring Ensemble Learning +3

A Hybrid Transformer-Mamba Network for Single Image Deraining

1 code implementation31 Aug 2024 Shangquan Sun, Wenqi Ren, Juxiang Zhou, Jianhou Gan, Rui Wang, Xiaochun Cao

Existing deraining Transformers employ self-attention mechanisms with fixed-range windows or along channel dimensions, limiting the exploitation of non-local receptive fields.

Mamba Single Image Deraining

Restoring Images in Adverse Weather Conditions via Histogram Transformer

1 code implementation14 Jul 2024 Shangquan Sun, Wenqi Ren, Xinwei Gao, Rui Wang, Xiaochun Cao

It is powered by a mechanism dubbed histogram self-attention, which sorts and segments spatial features into intensity-based bins.

Image Restoration

DI-Retinex: Digital-Imaging Retinex Theory for Low-Light Image Enhancement

no code implementations4 Apr 2024 Shangquan Sun, Wenqi Ren, Jingyang Peng, Fenglong Song, Xiaochun Cao

Many existing methods for low-light image enhancement (LLIE) based on Retinex theory ignore important factors that affect the validity of this theory in digital imaging, such as noise, quantization error, non-linearity, and dynamic range overflow.

Low-Light Image Enhancement Quantization

Rethinking Image Restoration for Object Detection

1 code implementation NIPS 2022 Shangquan Sun, Wenqi Ren, Tao Wang, Xiaochun Cao

To address the issue, we propose a targeted adversarial attack in the restoration procedure to boost object detection performance after restoration.

Adversarial Attack Domain Adaptation +5

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