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3D face reconstruction (3DFR) algorithms are based on specific assumptions tailored to the limits and characteristics of the different application scenarios. In this study, we investigate how multiple state-of-the-art 3DFR algorithms can be…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Simone Maurizio La Cava , Roberto Casula , Sara Concas , Giulia Orrù , Ruben Tolosana , Martin Drahansky , Julian Fierrez , Gian Luca Marcialis

In the field of face recognition, a model learns to distinguish millions of face images with fewer dimensional embedding features, and such vast information may not be properly encoded in the conventional model with a single branch. We…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Yonghyun Kim , Wonpyo Park , Myung-Cheol Roh , Jongju Shin

In this paper, we propose a 3D geometry-aware deformable Gaussian Splatting method for dynamic view synthesis. Existing neural radiance fields (NeRF) based solutions learn the deformation in an implicit manner, which cannot incorporate 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Zhicheng Lu , Xiang Guo , Le Hui , Tianrui Chen , Min Yang , Xiao Tang , Feng Zhu , Yuchao Dai

Previous methods for dynamic facial expression recognition (DFER) in the wild are mainly based on Convolutional Neural Networks (CNNs), whose local operations ignore the long-range dependencies in videos. Transformer-based methods for DFER…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Fuyan Ma , Bin Sun , Shutao Li

Recent advances in neural radiance fields have enabled the high-fidelity 3D reconstruction of complex scenes for novel view synthesis. However, it remains underexplored how the appearance of such representations can be efficiently edited…

Computer Vision and Pattern Recognition · Computer Science 2023-01-25 Zhengfei Kuang , Fujun Luan , Sai Bi , Zhixin Shu , Gordon Wetzstein , Kalyan Sunkavalli

Recently, the 3D Gaussian Splatting (3D-GS) method has achieved great success in novel view synthesis, providing real-time rendering while ensuring high-quality rendering results. However, this method faces challenges in modeling specular…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Zhiru Wang , Shiyun Xie , Chengwei Pan , Guoping Wang

Since Facial Action Unit (AU) annotations require domain expertise, common AU datasets only contain a limited number of subjects. As a result, a crucial challenge for AU detection is addressing identity overfitting. We find that AUs and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Zhipeng Hu , Wei Zhang , Lincheng Li , Yu Ding , Wei Chen , Zhigang Deng , Xin Yu

Facial expressions are one of the most powerful, natural and immediate means for human being to communicate their emotions and intensions. Recognition of facial expression has many applications including human-computer interaction,…

Computer Vision and Pattern Recognition · Computer Science 2016-04-18 Deepak Ghimire , Sunghwan Jeong , Joonwhoan Lee , Sang Hyun Park

This survey aims to investigate fundamental deep learning (DL) based 3D reconstruction techniques that produce photo-realistic 3D models and scenes, highlighting Neural Radiance Fields (NeRFs), Latent Diffusion Models (LDM), and 3D Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Yonge Bai , LikHang Wong , TszYin Twan

Light field (LF) representations aim to provide photo-realistic, free-viewpoint viewing experiences. However, the most popular LF representations are images from multiple views. Multi-view image-based representations generally need to…

Multimedia · Computer Science 2018-05-30 Xiang Zhang , Philip A. Chou , Ming-Ting Sun , Maolong Tang , Shanshe Wang , Siwei Ma , Wen Gao

Scale variation is one of the most challenging problems in face detection. Modern face detectors employ feature pyramids to deal with scale variation. However, it might break the feature consistency across different scales of faces. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Leilei Cao , Yao Xiao , Lin Xu

In this paper a local pattern descriptor in high order derivative space is proposed for face recognition. The proposed local directional gradient pattern (LDGP) is a 1D local micropattern computed by encoding the relationships between the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-05 Soumendu Chakraborty , Satish Kumar Singh , Pavan Chakraborty

In this paper we proposed an ordered patch based method using Conditional Random Field (CRF) in order to encode local properties and their spatial relationship in images to address texture classification, face recognition, and scene…

Computer Vision and Pattern Recognition · Computer Science 2016-10-06 Fariborz Taherkhani

The Facial Action Coding System (FACS) encodes the action units (AUs) in facial images, which has attracted extensive research attention due to its wide use in facial expression analysis. Many methods that perform well on automatic facial…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Xuri Ge , Joemon M. Jose , Songpei Xu , Xiao Liu , Hu Han

This paper introduces a design method for densergraph-frequency graph Fourier frames (DGFFs) to enhance graph signal processing and analysis. The graph Fourier transform (GFT) enables us to analyze graph signals in the graph spectral domain…

Signal Processing · Electrical Eng. & Systems 2025-03-18 Kaito Nitani , Seisuke Kyochi

Visual object tracking is a challenging computer vision task with numerous real-world applications. Here we propose a simple but efficient Spectral Filter Tracking (SFT)method. To characterize rotational and translation invariance of…

Computer Vision and Pattern Recognition · Computer Science 2017-07-19 Zhen Cui , You yi Cai , Wen ming Zheng , Jian Yang

We propose a precise and efficient normal estimation method that can deal with noise and nonuniform density for unstructured 3D point clouds. Unlike existing approaches that directly take patches and ignore the local neighborhood…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Keqiang Li , Mingyang Zhao , Huaiyu Wu , Dong-Ming Yan , Zhen Shen , Fei-Yue Wang , Gang Xiong

The emergence of deepfake technologies has become a matter of social concern as they pose threats to individual privacy and public security. It is now of great significance to develop reliable deepfake detectors. However, with numerous face…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Liang Shi , Jie Zhang , Shiguang Shan

Face parsing is defined as the per-pixel labeling of images containing human faces. The labels are defined to identify key facial regions like eyes, lips, nose, hair, etc. In this work, we make use of the structural consistency of the human…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Mausoom Sarkar , Nikitha SR , Mayur Hemani , Rishabh Jain , Balaji Krishnamurthy

Prostate cancer grading from whole-slide images (WSIs) remains a challenging task due to the large-scale nature of WSIs, the presence of heterogeneous tissue structures, and difficulty of selecting diagnostically relevant regions. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Masum Shah Junayed , John Derek Van Vessem , Qian Wan , Gahie Nam , Sheida Nabavi