Search Results for author: Zitong Yu

Found 24 papers, 11 papers with code

Pixel Difference Networks for Efficient Edge Detection

1 code implementation ICCV 2021 Zhuo Su, Wenzhe Liu, Zitong Yu, Dewen Hu, Qing Liao, Qi Tian, Matti Pietikäinen, Li Liu

A faster version of PiDiNet with less than 0. 1M parameters can still achieve comparable performance among state of the arts with 200 FPS.

BSDS500 Edge Detection

iMiGUE: An Identity-free Video Dataset for Micro-Gesture Understanding and Emotion Analysis

1 code implementation CVPR 2021 Xin Liu, Henglin Shi, Haoyu Chen, Zitong Yu, Xiaobai Li, Guoying Zhaoz?

We introduce a new dataset for the emotional artificial intelligence research: identity-free video dataset for Micro-Gesture Understanding and Emotion analysis (iMiGUE).

Emotion Recognition

Deep Learning for Face Anti-Spoofing: A Survey

1 code implementation28 Jun 2021 Zitong Yu, Yunxiao Qin, Xiaobai Li, Chenxu Zhao, Zhen Lei, Guoying Zhao

Face anti-spoofing (FAS) has lately attracted increasing attention due to its vital role in securing face recognition systems from presentation attacks (PAs).

Domain Generalization Face Anti-Spoofing +1

Non-contact Pain Recognition from Video Sequences with Remote Physiological Measurements Prediction

no code implementations18 May 2021 Ruijing Yang, Ziyu Guan, Zitong Yu, Guoying Zhao, Xiaoyi Feng, Jinye Peng

The framework is able to capture both local and long-range dependencies via the proposed attention mechanism for the learned appearance representations, which are further enriched by temporally attended physiological cues (remote photoplethysmography, rPPG) that are recovered from videos in the auxiliary task.

Medical Diagnosis Multi-Task Learning

Dual-Cross Central Difference Network for Face Anti-Spoofing

1 code implementation4 May 2021 Zitong Yu, Yunxiao Qin, Hengshuang Zhao, Xiaobai Li, Guoying Zhao

In this paper, we propose two Cross Central Difference Convolutions (C-CDC), which exploit the difference of the center and surround sparse local features from the horizontal/vertical and diagonal directions, respectively.

Face Anti-Spoofing Face Recognition

TransRPPG: Remote Photoplethysmography Transformer for 3D Mask Face Presentation Attack Detection

no code implementations15 Apr 2021 Zitong Yu, Xiaobai Li, Pichao Wang, Guoying Zhao

3D mask face presentation attack detection (PAD) plays a vital role in securing face recognition systems from emergent 3D mask attacks.

Face Presentation Attack Detection Face Recognition

A physics and learning-based transmission-less attenuation compensation method for SPECT

no code implementations10 Feb 2021 Zitong Yu, Md Ashequr Rahman, Thomas Schindler, Richard Laforest, Abhinav K. Jha

The proposed method uses data acquired in the scatter window to reconstruct an initial estimate of the attenuation map using a physics-based approach.

Medical Physics

Revisiting Pixel-Wise Supervision for Face Anti-Spoofing

1 code implementation24 Nov 2020 Zitong Yu, Xiaobai Li, Jingang Shi, Zhaoqiang Xia, Guoying Zhao

Face anti-spoofing (FAS) plays a vital role in securing face recognition systems from the presentation attacks (PAs).

Face Anti-Spoofing Face Recognition

2nd Place Scheme on Action Recognition Track of ECCV 2020 VIPriors Challenges: An Efficient Optical Flow Stream Guided Framework

no code implementations10 Aug 2020 Haoyu Chen, Zitong Yu, Xin Liu, Wei Peng, Yoon Lee, Guoying Zhao

To address the problem of training on small datasets for action recognition tasks, most prior works are either based on a large number of training samples or require pre-trained models transferred from other large datasets to tackle overfitting problems.

Action Recognition Optical Flow Estimation

Video-based Remote Physiological Measurement via Cross-verified Feature Disentangling

1 code implementation ECCV 2020 Xuesong Niu, Zitong Yu, Hu Han, Xiaobai Li, Shiguang Shan, Guoying Zhao

Remote physiological measurements, e. g., remote photoplethysmography (rPPG) based heart rate (HR), heart rate variability (HRV) and respiration frequency (RF) measuring, are playing more and more important roles under the application scenarios where contact measurement is inconvenient or impossible.

Heart Rate Variability

Face Anti-Spoofing with Human Material Perception

no code implementations ECCV 2020 Zitong Yu, Xiaobai Li, Xuesong Niu, Jingang Shi, Guoying Zhao

In this paper we rephrase face anti-spoofing as a material recognition problem and combine it with classical human material perception [1], intending to extract discriminative and robust features for FAS.

Face Anti-Spoofing Face Recognition +1

AutoHR: A Strong End-to-end Baseline for Remote Heart Rate Measurement with Neural Searching

no code implementations26 Apr 2020 Zitong Yu, Xiaobai Li, Xuesong Niu, Jingang Shi, Guoying Zhao

Remote photoplethysmography (rPPG), which aims at measuring heart activities without any contact, has great potential in many applications (e. g., remote healthcare).

Data Augmentation Neural Architecture Search +1

Multi-Modal Face Anti-Spoofing Based on Central Difference Networks

1 code implementation17 Apr 2020 Zitong Yu, Yunxiao Qin, Xiaobai Li, Zezheng Wang, Chenxu Zhao, Zhen Lei, Guoying Zhao

Face anti-spoofing (FAS) plays a vital role in securing face recognition systems from presentation attacks.

Face Anti-Spoofing Face Recognition

Searching Central Difference Convolutional Networks for Face Anti-Spoofing

2 code implementations CVPR 2020 Zitong Yu, Chenxu Zhao, Zezheng Wang, Yunxiao Qin, Zhuo Su, Xiaobai Li, Feng Zhou, Guoying Zhao

Here we propose a novel frame level FAS method based on Central Difference Convolution (CDC), which is able to capture intrinsic detailed patterns via aggregating both intensity and gradient information.

Face Anti-Spoofing Face Recognition +1

Remote Heart Rate Measurement from Highly Compressed Facial Videos: an End-to-end Deep Learning Solution with Video Enhancement

no code implementations ICCV 2019 Zitong Yu, Wei Peng, Xiaobai Li, Xiaopeng Hong, Guoying Zhao

The method includes two parts: 1) a Spatio-Temporal Video Enhancement Network (STVEN) for video enhancement, and 2) an rPPG network (rPPGNet) for rPPG signal recovery.

Video Compression Video Enhancement

Remote Photoplethysmograph Signal Measurement from Facial Videos Using Spatio-Temporal Networks

2 code implementations7 May 2019 Zitong Yu, Xiaobai Li, Guoying Zhao

Recent studies demonstrated that the average heart rate (HR) can be measured from facial videos based on non-contact remote photoplethysmography (rPPG).

Emotion Recognition Heart Rate Variability

Pedestrian re-identification based on Tree branch network with local and global learning

no code implementations31 Mar 2019 Hui Li, Meng Yang, Zhihui Lai, Wei-Shi Zheng, Zitong Yu

Deep part-based methods in recent literature have revealed the great potential of learning local part-level representation for pedestrian image in the task of person re-identification.

Person Re-Identification

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