Search Results for author: Yun Zhang

Found 26 papers, 3 papers with code

The Ninth NTIRE 2024 Efficient Super-Resolution Challenge Report

1 code implementation16 Apr 2024 Bin Ren, Nancy Mehta, Radu Timofte, Hongyuan Yu, Cheng Wan, Yuxin Hong, Bingnan Han, Zhuoyuan Wu, Yajun Zou, Yuqing Liu, Jizhe Li, Keji He, Chao Fan, Heng Zhang, Xiaolin Zhang, Xuanwu Yin, Kunlong Zuo, Bohao Liao, Peizhe Xia, Long Peng, Zhibo Du, Xin Di, Wangkai Li, Yang Wang, Wei Zhai, Renjing Pei, Jiaming Guo, Songcen Xu, Yang Cao, ZhengJun Zha, Yan Wang, Yi Liu, Qing Wang, Gang Zhang, Liou Zhang, Shijie Zhao, Long Sun, Jinshan Pan, Jiangxin Dong, Jinhui Tang, Xin Liu, Min Yan, Menghan Zhou, Yiqiang Yan, Yixuan Liu, Wensong Chan, Dehua Tang, Dong Zhou, Li Wang, Lu Tian, Barsoum Emad, Bohan Jia, Junbo Qiao, Yunshuai Zhou, Yun Zhang, Wei Li, Shaohui Lin, Shenglong Zhou, Binbin Chen, Jincheng Liao, Suiyi Zhao, Zhao Zhang, Bo wang, Yan Luo, Yanyan Wei, Feng Li, Mingshen Wang, Yawei Li, Jinhan Guan, Dehua Hu, Jiawei Yu, Qisheng Xu, Tao Sun, Long Lan, Kele Xu, Xin Lin, Jingtong Yue, Lehan Yang, Shiyi Du, Lu Qi, Chao Ren, Zeyu Han, YuHan Wang, Chaolin Chen, Haobo Li, Mingjun Zheng, Zhongbao Yang, Lianhong Song, Xingzhuo Yan, Minghan Fu, Jingyi Zhang, Baiang Li, Qi Zhu, Xiaogang Xu, Dan Guo, Chunle Guo, Jiadi Chen, Huanhuan Long, Chunjiang Duanmu, Xiaoyan Lei, Jie Liu, Weilin Jia, Weifeng Cao, Wenlong Zhang, Yanyu Mao, Ruilong Guo, Nihao Zhang, Qian Wang, Manoj Pandey, Maksym Chernozhukov, Giang Le, Shuli Cheng, Hongyuan Wang, Ziyan Wei, Qingting Tang, Liejun Wang, Yongming Li, Yanhui Guo, Hao Xu, Akram Khatami-Rizi, Ahmad Mahmoudi-Aznaveh, Chih-Chung Hsu, Chia-Ming Lee, Yi-Shiuan Chou, Amogh Joshi, Nikhil Akalwadi, Sampada Malagi, Palani Yashaswini, Chaitra Desai, Ramesh Ashok Tabib, Ujwala Patil, Uma Mudenagudi

In sub-track 1, the practical runtime performance of the submissions was evaluated, and the corresponding score was used to determine the ranking.

Image Super-Resolution

Eliminating Warping Shakes for Unsupervised Online Video Stitching

1 code implementation11 Mar 2024 Lang Nie, Chunyu Lin, Kang Liao, Yun Zhang, Shuaicheng Liu, Yao Zhao

In this paper, we retarget video stitching to an emerging issue, named warping shake, when extending image stitching to video stitching.

Image Stitching Video Stabilization

SUR-FeatNet: Predicting the Satisfied User Ratio Curvefor Image Compression with Deep Feature Learning

1 code implementation7 Jan 2020 Hanhe Lin, Vlad Hosu, Chunling Fan, Yun Zhang, Yuchen Mu, Raouf Hamzaoui, Dietmar Saupe

We then use deep feature learning to predict samples of the SUR curve and apply the method of least squares to fit the parametric model to the predicted samples.

Image Compression Transfer Learning

Neighborhood Preserved Sparse Representation for Robust Classification on Symmetric Positive Definite Matrices

no code implementations27 Jan 2016 Ming Yin, Shengli Xie, Yi Guo, Junbin Gao, Yun Zhang

Due to its promising classification performance, sparse representation based classification(SRC) algorithm has attracted great attention in the past few years.

Classification General Classification +2

R$^3$-Net: A Deep Network for Multi-oriented Vehicle Detection in Aerial Images and Videos

no code implementations16 Aug 2018 Qingpeng Li, Lichao Mou, Qizhi Xu, Yun Zhang, Xiao Xiang Zhu

In this paper, we propose a novel deep network, called rotatable region-based residual network (R$^3$-Net), to detect multi-oriented vehicles in aerial images and videos.

Motion Estimation Position +1

Attention Distillation for Learning Video Representations

no code implementations5 Apr 2019 Miao Liu, Xin Chen, Yun Zhang, Yin Li, James M. Rehg

To this end, we make use of attention modules that learn to highlight regions in the video and aggregate features for recognition.

Action Recognition Video Recognition

A Novel Deep Neural Network Based Approach for Sparse Code Multiple Access

no code implementations4 Jun 2019 Jinzhi Lin, Shengzhong Feng, Zhile Yang, Yun Zhang, Yong Zhang

Furthermore, by manipulating the mapping vectors, an autoencoder is able to generalize SCMA, thus a dense code multiple access (DCMA) scheme is proposed.

Stereo-based Multi-motion Visual Odometry for Mobile Robots

no code implementations15 Oct 2019 Qing Zhao, Bin Luo, Yun Zhang

In this letter, a stereo-based multi-motion visual odometry method is proposed to acquire the poses of the robot and other moving objects.

Motion Segmentation Visual Odometry

DymSLAM:4D Dynamic Scene Reconstruction Based on Geometrical Motion Segmentation

no code implementations10 Mar 2020 Chenjie Wang, Bin Luo, Yun Zhang, Qing Zhao, Lu Yin, Wei Wang, Xin Su, Yajun Wang, Chengyuan Li

The only input of DymSLAM is stereo video, and its output includes a dense map of the static environment, 3D model of the moving objects and the trajectories of the camera and the moving objects.

Motion Segmentation

A Dynamic 3D Spontaneous Micro-expression Database: Establishment and Evaluation

no code implementations31 Jul 2021 Fengping Wang, Jie Li, Siqi Zhang, Chun Qi, Yun Zhang, Danmin Miao

Micro-expressions are spontaneous, unconscious facial movements that show people's true inner emotions and have great potential in related fields of psychological testing.

Sphere Face Model:A 3D Morphable Model with Hypersphere Manifold Latent Space

no code implementations4 Dec 2021 Diqiong Jiang, Yiwei Jin, FangLue Zhang, Zhe Zhu, Yun Zhang, Ruofeng Tong, Min Tang

However, the shape parameters of traditional 3DMMs satisfy the multivariate Gaussian distribution while the identity embeddings satisfy the hypersphere distribution, and this conflict makes it challenging for face reconstruction models to preserve the faithfulness and the shape consistency simultaneously.

Face Model Face Reconstruction

Distortion-Aware Loop Filtering of Intra 360^o Video Coding with Equirectangular Projection

no code implementations20 Feb 2022 Pingping Zhang, Xu Wang, Linwei Zhu, Yun Zhang, Shiqi Wang, Sam Kwong

In this paper, we propose a distortion-aware loop filtering model to improve the performance of intra coding for 360$^o$ videos projected via equirectangular projection (ERP) format.

ERP Image Reconstruction

Remote blood pressure measurement via spatiotemporal mapping of a short-time facial video

no code implementations7 Mar 2022 Jialiang Zhuang, Bin Li, Yun Zhang, YuHeng Chen, Xiujuan Zheng

Blood pressure (BP) monitoring is vital in daily healthcare, especially for cardiovascular diseases.

Deep Learning-Based Intra Mode Derivation for Versatile Video Coding

no code implementations8 Apr 2022 Linwei Zhu, Yun Zhang, Na Li, Gangyi Jiang, Sam Kwong

To further improve the performance of intra coding in Versatile Video Coding (VVC), an intelligent intra mode derivation method is proposed in this paper, termed as Deep Learning based Intra Mode Derivation (DLIMD).

Multi-class Classification Quantization

FastBVP-Net: a lightweight pulse extraction network for measuring heart rhythm via facial videos

no code implementations25 Jun 2022 Jialiang Zhuang, YuHeng Chen, Yun Zhang, Xiujuan Zheng

Remote photoplethysmography (rPPG) is an attractive camera-based health monitoring method that can measure the heart rhythm from facial videos.

Heart rate estimation Heart Rate Variability

Epigenetic factor competition reshapes the EMT landscape

no code implementations13 Sep 2022 M. Ali Al-Radhawi, Shubham Tripathi, Yun Zhang, Eduardo D. Sontag, Herbert Levine

In such models, epigenetic factors are usually proposed to act on the chromatin regions directly involved in the expression of relevant genes.

Enhancing Recommender Systems: A Strategy to Mitigate False Negative Impact

no code implementations25 Nov 2022 Kexin Shi, Yun Zhang, BingYi Jing, Wenjia Wang

In implicit collaborative filtering (CF) task of recommender systems, recent works mainly focus on model structure design with promising techniques like graph neural networks (GNNs).

Collaborative Filtering Recommendation Systems

LSCD: A Large-Scale Screen Content Dataset for Video Compression

no code implementations18 Aug 2023 Yuhao Cheng, Siru Zhang, Yiqiang Yan, Rong Chen, Yun Zhang

Multimedia compression allows us to watch videos, see pictures and hear sounds within a limited bandwidth, which helps the flourish of the internet.

Video Compression

Data Upcycling Knowledge Distillation for Image Super-Resolution

no code implementations25 Sep 2023 Yun Zhang, Wei Li, Simiao Li, Hanting Chen, Zhijun Tu, Wenjia Wang, BingYi Jing, Shaohui Lin, Jie Hu

Knowledge distillation (KD) compresses deep neural networks by transferring task-related knowledge from cumbersome pre-trained teacher models to compact student models.

Image Super-Resolution Knowledge Distillation +1

CBQ: Cross-Block Quantization for Large Language Models

no code implementations13 Dec 2023 Xin Ding, Xiaoyu Liu, Zhijun Tu, Yun Zhang, Wei Li, Jie Hu, Hanting Chen, Yehui Tang, Zhiwei Xiong, Baoqun Yin, Yunhe Wang

Post-training quantization (PTQ) has played a key role in compressing large language models (LLMs) with ultra-low costs.

Quantization

Graph Elimination Networks

no code implementations2 Jan 2024 Shuo Wang, Ge Cheng, Yun Zhang

Graph Neural Networks (GNNs) are widely applied across various domains, yet they perform poorly in deep layers.

Soften to Defend: Towards Adversarial Robustness via Self-Guided Label Refinement

no code implementations14 Mar 2024 Daiwei Yu, Zhuorong Li, Lina Wei, Canghong Jin, Yun Zhang, Sixian Chan

However, most AT methods suffer from robust overfitting, i. e., a significant generalization gap in adversarial robustness between the training and testing curves.

Adversarial Robustness Memorization

Knowledge Distillation with Multi-granularity Mixture of Priors for Image Super-Resolution

no code implementations3 Apr 2024 Simiao Li, Yun Zhang, Wei Li, Hanting Chen, Wenjia Wang, BingYi Jing, Shaohui Lin, Jie Hu

Knowledge distillation (KD) is a promising yet challenging model compression technique that transfers rich learning representations from a well-performing but cumbersome teacher model to a compact student model.

Image Super-Resolution Knowledge Distillation +1

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