Search Results for author: Wen Zheng

Found 23 papers, 11 papers with code

Contextual Knowledge Learning For Dialogue Generation

no code implementations29 May 2023 Wen Zheng, Natasa Milic-Frayling, Ke Zhou

We guide the model training through a Contextual Knowledge Learning (CKL) process which involves Latent Vectors for context and knowledge, respectively.

Dialogue Generation Response Generation

Towards Generalizable Graph Contrastive Learning: An Information Theory Perspective

no code implementations20 Nov 2022 Yige Yuan, Bingbing Xu, HuaWei Shen, Qi Cao, Keting Cen, Wen Zheng, Xueqi Cheng

Guided by the bound, we design a GCL framework named InfoAdv with enhanced generalization ability, which jointly optimizes the generalization metric and InfoMax to strike the right balance between pretext task fitting and the generalization ability on downstream tasks.

Contrastive Learning Data Augmentation +1

PMP-Net++: Point Cloud Completion by Transformer-Enhanced Multi-step Point Moving Paths

1 code implementation19 Feb 2022 Xin Wen, Peng Xiang, Zhizhong Han, Yan-Pei Cao, Pengfei Wan, Wen Zheng, Yu-Shen Liu

It moves each point of incomplete input to obtain a complete point cloud, where total distance of point moving paths (PMPs) should be the shortest.

Point Cloud Completion Representation Learning

Snowflake Point Deconvolution for Point Cloud Completion and Generation with Skip-Transformer

1 code implementation18 Feb 2022 Peng Xiang, Xin Wen, Yu-Shen Liu, Yan-Pei Cao, Pengfei Wan, Wen Zheng, Zhizhong Han

Our insight into the detailed geometry is to introduce a skip-transformer in the SPD to learn the point splitting patterns that can best fit the local regions.

Image Reconstruction Point Cloud Completion

BlendGAN: Implicitly GAN Blending for Arbitrary Stylized Face Generation

3 code implementations NeurIPS 2021 Mingcong Liu, Qiang Li, Zekui Qin, Guoxin Zhang, Pengfei Wan, Wen Zheng

Specifically, we first train a self-supervised style encoder on the generic artistic dataset to extract the representations of arbitrary styles.

Face Generation

SnowflakeNet: Point Cloud Completion by Snowflake Point Deconvolution with Skip-Transformer

2 code implementations ICCV 2021 Peng Xiang, Xin Wen, Yu-Shen Liu, Yan-Pei Cao, Pengfei Wan, Wen Zheng, Zhizhong Han

However, previous methods usually suffered from discrete nature of point cloud and unstructured prediction of points in local regions, which makes it hard to reveal fine local geometric details on the complete shape.

Point Cloud Completion

Exploring Set Similarity for Dense Self-supervised Representation Learning

no code implementations CVPR 2022 Zhaoqing Wang, Qiang Li, Guoxin Zhang, Pengfei Wan, Wen Zheng, Nannan Wang, Mingming Gong, Tongliang Liu

By considering the spatial correspondence, dense self-supervised representation learning has achieved superior performance on various dense prediction tasks.

Instance Segmentation Keypoint Detection +4

Improving Robustness for Pose Estimation via Stable Heatmap Regression

no code implementations8 May 2021 Yumeng Zhang, Li Chen, Yufeng Liu, Xiaoyan Guo, Wen Zheng, Junhai Yong

Deep learning methods have achieved excellent performance in pose estimation, but the lack of robustness causes the keypoints to change drastically between similar images.

Pose Estimation regression

Cycle4Completion: Unpaired Point Cloud Completion using Cycle Transformation with Missing Region Coding

1 code implementation CVPR 2021 Xin Wen, Zhizhong Han, Yan-Pei Cao, Pengfei Wan, Wen Zheng, Yu-Shen Liu

We provide a comprehensive evaluation in experiments, which shows that our model with the learned bidirectional geometry correspondence outperforms state-of-the-art unpaired completion methods.

Point Cloud Completion

Camera-Space Hand Mesh Recovery via Semantic Aggregation and Adaptive 2D-1D Registration

1 code implementation CVPR 2021 Xingyu Chen, Yufeng Liu, Chongyang Ma, Jianlong Chang, Huayan Wang, Tian Chen, Xiaoyan Guo, Pengfei Wan, Wen Zheng

In the root-relative mesh recovery task, we exploit semantic relations among joints to generate a 3D mesh from the extracted 2D cues.

PMP-Net: Point Cloud Completion by Learning Multi-step Point Moving Paths

1 code implementation CVPR 2021 Xin Wen, Peng Xiang, Zhizhong Han, Yan-Pei Cao, Pengfei Wan, Wen Zheng, Yu-Shen Liu

As a result, the network learns a strict and unique correspondence on point-level, which can capture the detailed topology and structure relationships between the incomplete shape and the complete target, and thus improves the quality of the predicted complete shape.

Point Cloud Completion

Approximation of Response Knowledge Retrieval in Knowledge-grounded Dialogue Generation

1 code implementation Findings of the Association for Computational Linguistics 2020 Wen Zheng, Natasa Milic-Frayling, Ke Zhou

This paper is concerned with improving dialogue generation models through injection of knowledge, e. g., content relevant to the post that can increase the quality of responses.

Dialogue Generation Retrieval

Siamese Keypoint Prediction Network for Visual Object Tracking

1 code implementation7 Jun 2020 Qiang Li, Zekui Qin, Wenbo Zhang, Wen Zheng

Visual object tracking aims to estimate the location of an arbitrary target in a video sequence given its initial bounding box.

Visual Object Tracking

Adaptive Wasserstein Hourglass for Weakly Supervised Hand Pose Estimation from Monocular RGB

no code implementations11 Sep 2019 Yumeng Zhang, Li Chen, Yufeng Liu, Junhai Yong, Wen Zheng

During training, based on the relation between these common characteristics and 3D pose learned from fully-annotated synthetic datasets, it is beneficial for the network to restore the 3D pose of weakly labeled real-world datasets with the aid of 2D annotations and depth images.

3D Hand Pose Estimation Domain Adaptation

StyleRemix: An Interpretable Representation for Neural Image Style Transfer

no code implementations27 Feb 2019 Hongmin Xu, Qiang Li, Wenbo Zhang, Wen Zheng

Multi-Style Transfer (MST) intents to capture the high-level visual vocabulary of different styles and expresses these vocabularies in a joint model to transfer each specific style.

Style Transfer

End-to-end Hand Mesh Recovery from a Monocular RGB Image

2 code implementations ICCV 2019 Xiong Zhang, Qiang Li, Hong Mo, Wenbo Zhang, Wen Zheng

In this paper, we present a HAnd Mesh Recovery (HAMR) framework to tackle the problem of reconstructing the full 3D mesh of a human hand from a single RGB image.

3D Hand Pose Estimation

GraB: Visual Saliency via Novel Graph Model and Background Priors

no code implementations CVPR 2016 Qiaosong Wang, Wen Zheng, Robinson Piramuthu

We propose an unsupervised bottom-up saliency detection approach by exploiting novel graph structure and background priors.

Saliency Detection Superpixels

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