Search Results for author: Yifei Liu

Found 12 papers, 6 papers with code

Towards Variable and Coordinated Holistic Co-Speech Motion Generation

no code implementations30 Mar 2024 Yifei Liu, Qiong Cao, Yandong Wen, Huaiguang Jiang, Changxing Ding

This paper addresses the problem of generating lifelike holistic co-speech motions for 3D avatars, focusing on two key aspects: variability and coordination.

Quantization

Enhancing Court View Generation with Knowledge Injection and Guidance

1 code implementation7 Mar 2024 Ang Li, Yiquan Wu, Yifei Liu, Fei Wu, Ming Cai, Kun Kuang

Court View Generation (CVG) is a challenging task in the field of Legal Artificial Intelligence (LegalAI), which aims to generate court views based on the plaintiff claims and the fact descriptions.

Text Generation

Boosting Data Analytics With Synthetic Volume Expansion

1 code implementation27 Oct 2023 Xiaotong Shen, Yifei Liu, Rex Shen

This article explores the effectiveness of statistical methods on synthetic data and the privacy risks of synthetic data.

Sentiment Analysis Synthetic Data Generation +1

Precedent-Enhanced Legal Judgment Prediction with LLM and Domain-Model Collaboration

no code implementations13 Oct 2023 Yiquan Wu, Siying Zhou, Yifei Liu, Weiming Lu, Xiaozhong Liu, Yating Zhang, Changlong Sun, Fei Wu, Kun Kuang

Precedents are the previous legal cases with similar facts, which are the basis for the judgment of the subsequent case in national legal systems.

FireFly A Synthetic Dataset for Ember Detection in Wildfire

1 code implementation6 Aug 2023 Yue Hu, Xinan Ye, Yifei Liu, Souvik Kundu, Gourav Datta, Srikar Mutnuri, Namo Asavisanu, Nora Ayanian, Konstantinos Psounis, Peter Beerel

This paper presents "FireFly", a synthetic dataset for ember detection created using Unreal Engine 4 (UE4), designed to overcome the current lack of ember-specific training resources.

object-detection Object Detection

Revisiting Token Pruning for Object Detection and Instance Segmentation

1 code implementation12 Jun 2023 Yifei Liu, Mathias Gehrig, Nico Messikommer, Marco Cannici, Davide Scaramuzza

In relation to the dense counterpart that utilizes all tokens, our method realizes an increase in inference speed, achieving up to 34% faster performance for the entire network and 46% for the backbone.

Image Classification Instance Segmentation +4

Perturbation-Assisted Sample Synthesis: A Novel Approach for Uncertainty Quantification

1 code implementation30 May 2023 Yifei Liu, Rex Shen, Xiaotong Shen

The framework focuses on uncertainty quantification in complex data scenarios, particularly involving unstructured data while utilizing deep learning models.

Image Generation Prediction Intervals +3

Crop mapping in the small sample/no sample case: an approach using a two-level cascade classifier and integrating domain knowledge

no code implementations26 Dec 2022 Yunze Zang, Yifei Liu, Xuehong Chen, Anqi Li, Yichen Zhai, Shijie Li, Luling Liu, Chuanhai Zhu, Ruilin Chen, Shupeng Li, Na Jie

To solve this problem, a crop mapping method in the small sample/no sample case that integrating domain knowledge and using a cascaded classification framework that combine a weak classifier learned from samples with strong features and a strong classifier trained by samples with weak feature was proposed.

Management valid

Multi-objective Explanations of GNN Predictions

no code implementations29 Nov 2021 Yifei Liu, Chao Chen, Yazheng Liu, Xi Zhang, Sihong Xie

We design a user study to investigate such joint effects and use the findings to design a multi-objective optimization (MOO) algorithm to find Pareto optimal explanations that are well-balanced in simulatability and counterfactual.

counterfactual Decision Making +1

Rigorous Explanation of Inference on Probabilistic Graphical Models

no code implementations21 Apr 2020 Yifei Liu, Chao Chen, Xi Zhang, Sihong Xie

There is no existing method to rigorously attribute the inference outcomes to the contributing factors of the graphical models.

Attribute Decision Making

Scalable Explanation of Inferences on Large Graphs

no code implementations13 Aug 2019 Chao Chen, Yifei Liu, Xi Zhang, Sihong Xie

Probabilistic inferences distill knowledge from graphs to aid human make important decisions.

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