Search Results for author: Chunwei Tian

Found 17 papers, 12 papers with code

A self-supervised CNN for image watermark removal

1 code implementation9 Mar 2024 Chunwei Tian, Menghua Zheng, Tiancai Jiao, WangMeng Zuo, Yanning Zhang, Chia-Wen Lin

Popular convolutional neural networks mainly use paired images in a supervised way for image watermark removal.

Perceptive self-supervised learning network for noisy image watermark removal

1 code implementation4 Mar 2024 Chunwei Tian, Menghua Zheng, Bo Li, Yanning Zhang, Shichao Zhang, David Zhang

Specifically, mentioned paired watermark images are obtained in a self supervised way, and paired noisy images (i. e., noisy and reference images) are obtained in a supervised way.

Self-Supervised Learning

A Heterogeneous Dynamic Convolutional Neural Network for Image Super-resolution

1 code implementation24 Feb 2024 Chunwei Tian, Xuanyu Zhang, Jia Ren, WangMeng Zuo, Yanning Zhang, Chia-Wen Lin

The lower network utilizes a symmetric architecture to enhance relations of different layers to mine more structural information, which is complementary with a upper network for image super-resolution.

Image Super-Resolution

Image super-resolution via dynamic network

1 code implementation16 Oct 2023 Chunwei Tian, Xuanyu Zhang, Qi Zhang, Mingming Yang, Zhaojie Ju

In this paper, we present a dynamic network for image super-resolution (DSRNet), which contains a residual enhancement block, wide enhancement block, feature refinement block and construction block.

Image Super-Resolution

A cross Transformer for image denoising

1 code implementation16 Oct 2023 Chunwei Tian, Menghua Zheng, WangMeng Zuo, Shichao Zhang, Yanning Zhang, Chia-Wen Ling

To avoid loss of key information, PB uses three heterogeneous networks to implement multiple interactions of multi-level features to broadly search for extra information for improving the adaptability of an obtained denoiser for complex scenes.

Image Denoising

A heterogeneous group CNN for image super-resolution

1 code implementation26 Sep 2022 Chunwei Tian, Yanning Zhang, WangMeng Zuo, Chia-Wen Lin, David Zhang, Yixuan Yuan

To prevent loss of original information, a multi-level enhancement mechanism guides a CNN to achieve a symmetric architecture for promoting expressive ability of HGSRCNN.

Image Super-Resolution

Multi-stage image denoising with the wavelet transform

1 code implementation26 Sep 2022 Chunwei Tian, Menghua Zheng, WangMeng Zuo, Bob Zhang, Yanning Zhang, David Zhang

In this paper, we propose a multi-stage image denoising CNN with the wavelet transform (MWDCNN) via three stages, i. e., a dynamic convolutional block (DCB), two cascaded wavelet transform and enhancement blocks (WEBs) and a residual block (RB).

Image Denoising

Image Super-resolution with An Enhanced Group Convolutional Neural Network

1 code implementation29 May 2022 Chunwei Tian, Yixuan Yuan, Shichao Zhang, Chia-Wen Lin, WangMeng Zuo, David Zhang

In this paper, we present an enhanced super-resolution group CNN (ESRGCNN) with a shallow architecture by fully fusing deep and wide channel features to extract more accurate low-frequency information in terms of correlations of different channels in single image super-resolution (SISR).

Image Super-Resolution

Asymmetric CNN for image super-resolution

1 code implementation25 Mar 2021 Chunwei Tian, Yong Xu, WangMeng Zuo, Chia-Wen Lin, David Zhang

In this paper, we propose an asymmetric CNN (ACNet) comprising an asymmetric block (AB), a memory enhancement block (MEB) and a high-frequency feature enhancement block (HFFEB) for image super-resolution.

Image Super-Resolution

Lightweight image super-resolution with enhanced CNN

1 code implementation8 Jul 2020 Chunwei Tian, Ruibin Zhuge, Zhihao Wu, Yong Xu, WangMeng Zuo, Chen Chen, Chia-Wen Lin

Finally, the IRB uses coarse high-frequency features from the RB to learn more accurate SR features and construct a SR image.

Image Super-Resolution

Designing and Training of A Dual CNN for Image Denoising

1 code implementation8 Jul 2020 Chunwei Tian, Yong Xu, WangMeng Zuo, Bo Du, Chia-Wen Lin, David Zhang

The enhancement block gathers and fuses the global and local features to provide complementary information for the latter network.

Image Denoising

Deep Learning on Image Denoising: An overview

no code implementations31 Dec 2019 Chunwei Tian, Lunke Fei, Wenxian Zheng, Yong Xu, WangMeng Zuo, Chia-Wen Lin

However, there are substantial differences in the various types of deep learning methods dealing with image denoising.

Image Denoising

Image denoising using deep CNN with batch renormalization

2 code implementations Neural Networks 2019 Chunwei Tian, Yong Xu, WangMeng Zuo

In this paper, we report the design of a novel network called a batch-renormalization denoising network (BRDNet).

Image Denoising

Enhanced CNN for image denoising

no code implementations28 Oct 2018 Chunwei Tian, Yong Xu, Lunke Fei, Junqian Wang, Jie Wen, Nan Luo

Owing to flexible architectures of deep convolutional neural networks (CNNs), CNNs are successfully used for image denoising.

Image Denoising

Deep Learning for Image Denoising: A Survey

no code implementations11 Oct 2018 Chunwei Tian, Yong Xu, Lunke Fei, Ke Yan

Since the proposal of big data analysis and Graphic Processing Unit (GPU), the deep learning technology has received a great deal of attention and has been widely applied in the field of imaging processing.

BIG-bench Machine Learning Image Denoising

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