Search Results for author: Yufeng Wang

Found 13 papers, 7 papers with code

An Iterative Associative Memory Model for Empathetic Response Generation

no code implementations28 Feb 2024 Zhou Yang, Zhaochun Ren, Yufeng Wang, Chao Chen, Haizhou Sun, Xiaofei Zhu, Xiangwen Liao

Empathetic response generation is to comprehend the cognitive and emotional states in dialogue utterances and generate proper responses.

Empathetic Response Generation Response Generation

Exploiting Emotion-Semantic Correlations for Empathetic Response Generation

1 code implementation27 Feb 2024 Zhou Yang, Zhaochun Ren, Yufeng Wang, Xiaofei Zhu, Zhihao Chen, Tiecheng Cai, Yunbing Wu, Yisong Su, Sibo Ju, Xiangwen Liao

Based on dynamic emotion-semantic vectors and dependency trees, we propose a dynamic correlation graph convolutional network to guide the model in learning context meanings in dialogue and generating empathetic responses.

Dialogue Generation Empathetic Response Generation +1

DCIR: Dynamic Consistency Intrinsic Reward for Multi-Agent Reinforcement Learning

no code implementations10 Dec 2023 Kunyang Lin, Yufeng Wang, Peihao Chen, Runhao Zeng, Siyuan Zhou, Mingkui Tan, Chuang Gan

In this paper, we propose a new approach that enables agents to learn whether their behaviors should be consistent with that of other agents by utilizing intrinsic rewards to learn the optimal policy for each agent.

Multi-agent Reinforcement Learning reinforcement-learning +2

Editing 3D Scenes via Text Prompts without Retraining

no code implementations10 Sep 2023 Shuangkang Fang, Yufeng Wang, Yi Yang, Yi-Hsuan Tsai, Wenrui Ding, Shuchang Zhou, Ming-Hsuan Yang

To tackle these issues, we introduce a text-driven editing method, termed DN2N, which allows for the direct acquisition of a NeRF model with universal editing capabilities, eliminating the requirement for retraining.

3D scene Editing 3D Scene Reconstruction +2

PI-VEGAN: Physics Informed Variational Embedding Generative Adversarial Networks for Stochastic Differential Equations

no code implementations21 Jul 2023 Ruisong Gao, Yufeng Wang, Min Yang, Chuanjun Chen

We present a new category of physics-informed neural networks called physics informed variational embedding generative adversarial network (PI-VEGAN), that effectively tackles the forward, inverse, and mixed problems of stochastic differential equations.

Generative Adversarial Network

PVD-AL: Progressive Volume Distillation with Active Learning for Efficient Conversion Between Different NeRF Architectures

1 code implementation8 Apr 2023 Shuangkang Fang, Yufeng Wang, Yi Yang, Weixin Xu, Heng Wang, Wenrui Ding, Shuchang Zhou

To address this limitation and maximize the potential of each architecture, we propose Progressive Volume Distillation with Active Learning (PVD-AL), a systematic distillation method that enables any-to-any conversions between different architectures.

3D Reconstruction Novel View Synthesis

One is All: Bridging the Gap Between Neural Radiance Fields Architectures with Progressive Volume Distillation

1 code implementation29 Nov 2022 Shuangkang Fang, Weixin Xu, Heng Wang, Yi Yang, Yufeng Wang, Shuchang Zhou

In this paper, we propose Progressive Volume Distillation (PVD), a systematic distillation method that allows any-to-any conversions between different architectures, including MLP, sparse or low-rank tensors, hashtables and their compositions.

 Ranked #1 on Novel View Synthesis on NeRF (Average PSNR metric)

3D Reconstruction Neural Rendering +1

Less Emphasis on Difficult Layer Regions: Curriculum Learning for Singularly Perturbed Convection-Diffusion-Reaction Problems

1 code implementation23 Oct 2022 Yufeng Wang, Cong Xu, Min Yang, Jin Zhang

Although Physics-Informed Neural Networks (PINNs) have been successfully applied in a wide variety of science and engineering fields, they can fail to accurately predict the underlying solution in slightly challenging convection-diffusion-reaction problems.

Towards Accurate Binary Neural Networks via Modeling Contextual Dependencies

1 code implementation3 Sep 2022 Xingrun Xing, Yangguang Li, Wei Li, Wenrui Ding, Yalong Jiang, Yufeng Wang, Jing Shao, Chunlei Liu, Xianglong Liu

Second, to improve the robustness of binary models with contextual dependencies, we compute the contextual dynamic embeddings to determine the binarization thresholds in general binary convolutional blocks.

Binarization Inductive Bias

Improve Deep Image Inpainting by Emphasizing the Complexity of Missing Regions

no code implementations13 Feb 2022 Yufeng Wang, Dan Li, Cong Xu, Min Yang

Deep image inpainting research mainly focuses on constructing various neural network architectures or imposing novel optimization objectives.

Image Inpainting

Semi-supervised Multi-task Learning for Semantics and Depth

no code implementations14 Oct 2021 Yufeng Wang, Yi-Hsuan Tsai, Wei-Chih Hung, Wenrui Ding, Shuo Liu, Ming-Hsuan Yang

Multi-Task Learning (MTL) aims to enhance the model generalization by sharing representations between related tasks for better performance.

Depth Estimation Multi-Task Learning +1

Missingness Augmentation: A General Approach for Improving Generative Imputation Models

1 code implementation31 Jul 2021 Yufeng Wang, Dan Li, Cong Xu, Min Yang

However, data augmentation, as a simple yet effective method, has not received enough attention in this area.

Data Augmentation Imputation

PC-GAIN: Pseudo-label Conditional Generative Adversarial Imputation Networks for Incomplete Data

1 code implementation16 Nov 2020 Yufeng Wang, Dan Li, Xiang Li, Min Yang

Further, this classifier is incorporated into the generative adversarial framework to help the generator to yield higher quality imputation results.

Imputation Pseudo Label

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