Search Results for author: Yongsheng Liang

Found 19 papers, 0 papers with code

Bandwidth-efficient Inference for Neural Image Compression

no code implementations6 Sep 2023 Shanzhi Yin, Tongda Xu, Yongsheng Liang, Yuanyuan Wang, Yanghao Li, Yan Wang, Jingjing Liu

With neural networks growing deeper and feature maps growing larger, limited communication bandwidth with external memory (or DRAM) and power constraints become a bottleneck in implementing network inference on mobile and edge devices.

Data Compression Image Compression +1

Universal Learned Image Compression With Low Computational Cost

no code implementations23 Jun 2022 Bowen Li, Yao Xin, Youneng Bao, Fanyang Meng, Yongsheng Liang, Wen Tan

Recently, learned image compression methods have developed rapidly and exhibited excellent rate-distortion performance when compared to traditional standards, such as JPEG, JPEG2000 and BPG.

Image Compression MS-SSIM +1

Context-aware Visual Tracking with Joint Meta-updating

no code implementations4 Apr 2022 Qiuhong Shen, Xin Li, Fanyang Meng, Yongsheng Liang

These deep trackers usually do not perform online update or update single sub-branch of the tracking model, for which they cannot adapt to the appearance variation of objects.

Meta-Learning Visual Object Tracking +1

Exploring Structural Sparsity in Neural Image Compression

no code implementations9 Feb 2022 Shanzhi Yin, Chao Li, Wen Tan, Youneng Bao, Yongsheng Liang, Wei Liu

Neural image compression have reached or out-performed traditional methods (such as JPEG, BPG, WebP).

Image Compression

Universal Efficient Variable-rate Neural Image Compression

no code implementations18 Nov 2021 Shanzhi Yin, Chao Li, Youneng Bao, Yongsheng Liang

Recently, Learning-based image compression has reached comparable performance with traditional image codecs(such as JPEG, BPG, WebP).

Image Compression

Surrogate-assisted cooperative signal optimization for large-scale traffic networks

no code implementations3 Mar 2021 Yongsheng Liang, Zhigang Ren, Lin Wang, Hanqing Liu, Wenhao Du

The decomposition operation significantly narrows the search space of the whole traffic network, and the surrogate-assisted optimizer greatly lowers the computational burden by reducing the number of expensive traffic simulations.

Enhancing hierarchical surrogate-assisted evolutionary algorithm for high-dimensional expensive optimization via random projection

no code implementations1 Mar 2021 Xiaodong Ren, Daofu Guo, Zhigang Ren, Yongsheng Liang, An Chen

By remarkably reducing real fitness evaluations, surrogate-assisted evolutionary algorithms (SAEAs), especially hierarchical SAEAs, have been shown to be effective in solving computationally expensive optimization problems.

Evolutionary Algorithms

A Surrogate-Assisted Variable Grouping Algorithm for General Large Scale Global Optimization Problems

no code implementations19 Jan 2021 An Chen, Zhigang Ren, Muyi Wang, Yongsheng Liang, Hanqing Liu, Wenhao Du

SVG first designs a general-separability-oriented detection criterion according to whether the optimum of a variable changes with other variables.

Problem Decomposition

TCDesc: Learning Topology Consistent Descriptors

no code implementations5 Jun 2020 Honghu Pan, Fanyang Meng, Zhenyu He, Yongsheng Liang, Wei Liu

Then we define topology distance between descriptors as the difference of their topology vectors.

An Eigenspace Divide-and-Conquer Approach for Large-Scale Optimization

no code implementations5 Apr 2020 Zhigang Ren, Yongsheng Liang, Muyi Wang, Yang Yang, An Chen

Different from existing DC-based algorithms that perform decomposition and optimization in the original decision space, EDC first establishes an eigenspace by conducting singular value decomposition on a set of high-quality solutions selected from recent generations.

Evolutionary Algorithms

A Global Information Based Adaptive Threshold for Grouping Large Scale Global Optimization Problems

no code implementations1 Mar 2018 An Chen, Yi-Peng Zhang, Zhigang Ren, Yongsheng Liang, Bei Pang

On the one hand, by reducing the sensitivity of the indicator in DG to the roundoff error and the magnitude of contribution weight of subcomponent, we proposed a new indicator for two variables which is much more sensitive to their interaction.

Enhancing Cooperative Coevolution for Large Scale Optimization by Adaptively Constructing Surrogate Models

no code implementations1 Mar 2018 Bei Pang, Zhigang Ren, Yongsheng Liang, An Chen

As for the nonseparable sub-problems, the surrogate models are employed to evaluate the corresponding sub-solutions, and the original simulation model is only adopted to reevaluate some good sub-solutions selected by surrogate models.

Niching an Archive-based Gaussian Estimation of Distribution Algorithm via Adaptive Clustering

no code implementations1 Mar 2018 Yongsheng Liang, Zhigang Ren, Bei Pang, An Chen

As a model-based evolutionary algorithm, estimation of distribution algorithm (EDA) possesses unique characteristics and has been widely applied to global optimization.

Clustering

Surrogate Model Assisted Cooperative Coevolution for Large Scale Optimization

no code implementations27 Feb 2018 Zhigang Ren, Bei Pang, Yongsheng Liang, An Chen, Yi-Peng Zhang

It has been shown that cooperative coevolution (CC) can effectively deal with large scale optimization problems (LSOPs) through a divide-and-conquer strategy.

Enhancing Gaussian Estimation of Distribution Algorithm by Exploiting Evolution Direction with Archive

no code implementations25 Feb 2018 Yongsheng Liang, Zhigang Ren, Xianghua Yao, Zuren Feng, An Chen

This study first systematically analyses the reasons for the deficiency of the traditional GEDA, then tries to enhance its performance by exploiting its evolution direction, and finally develops a new GEDA variant named EDA2.

A Bidirectional Adaptive Bandwidth Mean Shift Strategy for Clustering

no code implementations22 Dec 2017 Fanyang Meng, Hong Liu, Yongsheng Liang, Wei Liu, Jihong Pei

The bandwidth of a kernel function is a crucial parameter in the mean shift algorithm.

Clustering

Cannot find the paper you are looking for? You can Submit a new open access paper.