Search Results for author: Shiqian Wu

Found 17 papers, 1 papers with code

Adjacency-hopping de Bruijn Sequences for Non-repetitive Coding

no code implementations6 Sep 2023 Bin Chen, Zhenglin Liang, Shiqian Wu

A special type of cyclic sequences named adjacency-hopping de Bruijn sequences is introduced in this paper.

Single Image Deraining via Feature-based Deep Convolutional Neural Network

no code implementations3 May 2023 Chaobing Zheng, Jun Jiang, Wenjian Ying, Shiqian Wu

A single image deraining algorithm based on the combination of data-driven and model-based approaches is proposed.

Single Image Deraining

Part Aware Contrastive Learning for Self-Supervised Action Recognition

1 code implementation1 May 2023 Yilei Hua, Wenhan Wu, Ce Zheng, Aidong Lu, Mengyuan Liu, Chen Chen, Shiqian Wu

This paper proposes an attention-based contrastive learning framework for skeleton representation learning, called SkeAttnCLR, which integrates local similarity and global features for skeleton-based action representations.

Contrastive Learning Data Augmentation +3

Efficient Robust Principal Component Analysis via Block Krylov Iteration and CUR Decomposition

no code implementations CVPR 2023 Shun Fang, Zhengqin Xu, Shiqian Wu, Shoulie Xie

Specifically, the Krylov iteration method is employed to approximate the eigenvalue decomposition in the rank estimation, which requires O(ndrq + n(rq)^2) for an (nxd) input matrix, in which q is a parameter with a small value, r is the target rank.

Single Image Deraining via Rain-Steaks Aware Deep Convolutional Neural Network

no code implementations16 Sep 2022 Chaobing Zheng, Yuwen Li, Shiqian Wu

It is challenging to remove rain-steaks from a single rainy image because the rain steaks are spatially varying in the rainy image.

Autonomous Navigation Single Image Deraining

Dual-Scale Single Image Dehazing Via Neural Augmentation

no code implementations13 Sep 2022 Zhengguo Li, Chaobing Zheng, Haiyan Shu, Shiqian Wu

Model-based single image dehazing algorithms restore haze-free images with sharp edges and rich details for real-world hazy images at the expense of low PSNR and SSIM values for synthetic hazy images.

Image Dehazing Single Image Dehazing +1

Adaptive Weighted Guided Image Filtering for Depth Enhancement in Shape-From-Focus

no code implementations18 Jan 2022 Yuwen Li, Zhengguo Li, Chaobing Zheng, Shiqian Wu

In order to preserve the edges accurately in the refined depth map, the guidance image is constructed from the multi-focus image sequence, and the coefficient of the AWGIF is utilized to suppress the noise while enhancing the fine depth details.

Spectral Reconstruction

Model-Based Single Image Deep Dehazing

no code implementations22 Nov 2021 Zhengguo Li, Chaobing Zheng, Haiyan Shu, Shiqian Wu

Model-based single image dehazing algorithms restore images with sharp edges and rich details at the expense of low PSNR values.

Image Dehazing Single Image Dehazing

Hybrid Saturation Restoration for LDR Images of HDR Scenes

no code implementations11 Nov 2021 Chaobing Zheng, Zhengguo Li, Shiqian Wu

It is an ill-posed problem to restore the saturated regions of the LDR image.

Single image dehazing via combining the prior knowledge and CNNs

no code implementations10 Nov 2021 Yuwen Li, Chaobing Zheng, Shiqian Wu, Wangming Xu

If the transmission map of a pixel is small, the base layer of the haze image is used to recover a haze-free image via atmospheric scattering model, finally.

Image Dehazing Single Image Dehazing +1

Adaptive Rank Estimate in Robust Principal Component Analysis

no code implementations CVPR 2021 Zhengqin Xu, Rui He, Shoulie Xie, Shiqian Wu

In this paper, an adaptive rank estimate based RPCA (ARE-RPCA) is proposed, which adaptively assigns weights on different singular values via rank estimation.

Single Image Brightening via Multi-Scale Exposure Fusion with Hybrid Learning

no code implementations4 Jul 2020 Chaobing Zheng, Zhengguo Li, Yi Yang, Shiqian Wu

In this paper, a single image brightening algorithm is introduced to brighten such an image.

SSIM

Illumination Normalization via Merging Locally Enhanced Textures for Robust Face Recognition

no code implementations10 May 2019 Chaobing Zheng, Shiqian Wu, Wangming Xu, Shoulie Xie

Finally, the local contrast equalization (LCE) is performed on the fused face image to reduce the influence caused by over or under saturated pixel values in highlight or dark regions.

Face Recognition Robust Face Recognition

Exposure Interpolation by Combining Model-driven and Data-driven Methods

no code implementations9 May 2019 Chaobing Zheng, Zhengguo Li, Shiqian Wu

A natural question raised here is "Is there any space for conventional methods on these problems?"

A novel online multi-label classifier for high-speed streaming data applications

no code implementations1 Sep 2016 Rajasekar Venkatesan, Meng Joo Er, Mihika Dave, Mahardhika Pratama, Shiqian Wu

In this paper, a high-speed online neural network classifier based on extreme learning machines for multi-label classification is proposed.

Classification General Classification +2

A Novel Online Real-time Classifier for Multi-label Data Streams

no code implementations31 Aug 2016 Rajasekar Venkatesan, Meng Joo Er, Shiqian Wu, Mahardhika Pratama

In this paper, a novel extreme learning machine based online multi-label classifier for real-time data streams is proposed.

Classification General Classification +2

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