Search Results for author: Shangquan Sun

Found 6 papers, 5 papers with code

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

Logit Standardization in Knowledge Distillation

1 code implementation CVPR 2024 Shangquan Sun, Wenqi Ren, Jingzhi Li, Rui Wang, Xiaochun Cao

Knowledge distillation involves transferring soft labels from a teacher to a student using a shared temperature-based softmax function.

Knowledge Distillation

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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