Search Results for author: Ke Shang

Found 15 papers, 5 papers with code

DiffMAC: Diffusion Manifold Hallucination Correction for High Generalization Blind Face Restoration

no code implementations15 Mar 2024 Nan Gao, Jia Li, Huaibo Huang, Zhi Zeng, Ke Shang, Shuwu Zhang, Ran He

Experimental results demonstrate the superiority of DiffMAC over state-of-the-art methods, with a high degree of generalization in real-world and heterogeneous settings.

Attribute Blind Face Restoration +1

Effects of Archive Size on Computation Time and Solution Quality for Multi-Objective Optimization

1 code implementation7 Sep 2022 Tianye Shu, Ke Shang, Hisao Ishibuchi, Yang Nan

In this study, we examine the effects of the archive size on three aspects: (i) the quality of the selected final solution set, (ii) the total computation time for the archive maintenance and the final solution set selection, and (iii) the required memory size.

HV-Net: Hypervolume Approximation based on DeepSets

no code implementations4 Mar 2022 Ke Shang, WeiYu Chen, Weiduo Liao, Hisao Ishibuchi

In this letter, we propose HV-Net, a new method for hypervolume approximation in evolutionary multi-objective optimization.

Learning to Approximate: Auto Direction Vector Set Generation for Hypervolume Contribution Approximation

1 code implementation18 Jan 2022 Ke Shang, Tianye Shu, Hisao Ishibuchi

The learned direction vector set can then be used in the $R_2^{\text{HVC}}$ indicator to improve its approximation quality.

Benchmarking Subset Selection from Large Candidate Solution Sets in Evolutionary Multi-objective Optimization

1 code implementation18 Jan 2022 Ke Shang, Tianye Shu, Hisao Ishibuchi, Yang Nan, Lie Meng Pang

This paper aims to fill this research gap by proposing a benchmark test suite for subset selection from large candidate solution sets, and comparing some representative methods using the proposed test suite.

Benchmarking

Clustering-Based Subset Selection in Evolutionary Multiobjective Optimization

no code implementations19 Aug 2021 WeiYu Chen, Hisao Ishibuchi, Ke Shang

Subset selection is an important component in evolutionary multiobjective optimization (EMO) algorithms.

Clustering Multiobjective Optimization

Hypervolume-Optimal $μ$-Distributions on Line/Plane-based Pareto Fronts in Three Dimensions

no code implementations20 Apr 2021 Ke Shang, Hisao Ishibuchi, WeiYu Chen, Yang Nan, Weiduo Liao

Then, we show that a uniform solution set on the plane-based Pareto front is not always optimal for hypervolume maximization.

Fast Greedy Subset Selection from Large Candidate Solution Sets in Evolutionary Multi-objective Optimization

1 code implementation1 Feb 2021 WeiYu Chen, Hisao Ishibuchi, Ke Shang

Especially, in an EMO algorithm with an unbounded external archive, subset selection is an essential post-processing procedure to select a pre-specified number of solutions as the final result.

Evolutionary Multi-Objective Optimization Algorithm Framework with Three Solution Sets

no code implementations14 Dec 2020 Hisao Ishibuchi, Lie Meng Pang, Ke Shang

The three solution sets are the main population of an EMO algorithm, an external archive to store promising solutions, and a final solution set which is presented to the decision maker.

Decomposition-Based Multi-Objective Evolutionary Algorithm Design under Two Algorithm Frameworks

no code implementations17 Aug 2020 Lie Meng Pang, Hisao Ishibuchi, Ke Shang

In the final population framework, the final population of an EMO algorithm is presented to the decision maker.

Vocal Bursts Valence Prediction

Algorithm Configurations of MOEA/D with an Unbounded External Archive

no code implementations27 Jul 2020 Lie Meng Pang, Hisao Ishibuchi, Ke Shang

In this framework, which is referred to as the solution selection framework, the final population does not have to be a good solution set.

Lazy Greedy Hypervolume Subset Selection from Large Candidate Solution Sets

no code implementations4 Jul 2020 Wei-Yu Chen, Hisao Ishibuhci, Ke Shang

Subset selection is a popular topic in recent years and a number of subset selection methods have been proposed.

Solution Subset Selection for Final Decision Making in Evolutionary Multi-Objective Optimization

no code implementations15 Jun 2020 Hisao Ishibuchi, Lie Meng Pang, Ke Shang

The selection of a single final solution from the obtained solutions is assumed to be done by a human decision maker.

Decision Making Evolutionary Algorithms

Effects of Discretization of Decision and Objective Spaces on the Performance of Evolutionary Multiobjective Optimization Algorithms

no code implementations22 Mar 2020 Wei-Yu Chen, Hisao Ishibuchi, Ke Shang

In other studies, it is shown that the objective space discretization improves the performance on combinatorial multi-objective problems.

Multiobjective Optimization

R2-based Hypervolume Contribution Approximation

1 code implementation15 May 2018 Ke Shang, Hisao Ishibuchi, Xizi Ni

The basic idea of the proposed method is to use different line segments only in the hypervolume contribution region for the hypervolume contribution approximation.

Optimization and Control

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