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Capturing and rendering life-like hair is particularly challenging due to its fine geometric structure, the complex physical interaction and its non-trivial visual appearance.Yet, hair is a critical component for believable avatars. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Ziyan Wang , Giljoo Nam , Tuur Stuyck , Stephen Lombardi , Michael Zollhoefer , Jessica Hodgins , Christoph Lassner

We present a statistical model for $3$D human faces in varying expression, which decomposes the surface of the face using a wavelet transform, and learns many localized, decorrelated multilinear models on the resulting coefficients. Using…

Computer Vision and Pattern Recognition · Computer Science 2014-07-02 Alan Brunton , Timo Bolkart , Stefanie Wuhrer

Many modern video-based human action recognition (HAR) approaches use 2D skeleton as the intermediate representation in their prediction pipelines. Despite overall encouraging results, these approaches still struggle in many common scenes,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Zhuoxuan Peng , Yiyi Ding , Yang Lin , S. -H. Gary Chan

We introduce a new implicit shape representation called Primary Ray-based Implicit Function (PRIF). In contrast to most existing approaches based on the signed distance function (SDF) which handles spatial locations, our representation…

Computer Vision and Pattern Recognition · Computer Science 2022-08-15 Brandon Yushan Feng , Yinda Zhang , Danhang Tang , Ruofei Du , Amitabh Varshney

Dynamic facial expression recognition has many useful applications in social networks, multimedia content analysis, security systems and others. This challenging process must be done under recurrent problems of image illumination and low…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Ali Raza Shahid , Sheheryar Khan , Hong Yan

State-of-the-art methods of attribute detection from faces almost always assume the presence of a full, unoccluded face. Hence, their performance degrades for partially visible and occluded faces. In this paper, we introduce SPLITFACE, a…

Computer Vision and Pattern Recognition · Computer Science 2018-07-19 Upal Mahbub , Sayantan Sarkar , Rama Chellappa

We propose a new image representation for texture categorization and facial analysis, relying on the use of higher-order local differential statistics as features. It has been recently shown that small local pixel pattern distributions can…

Computer Vision and Pattern Recognition · Computer Science 2015-10-05 Gaurav Sharma , Frederic Jurie

The capacity to recognize faces under varied poses is a fundamental human ability that presents a unique challenge for computer vision systems. Compared to frontal face recognition, which has been intensively studied and has gradually…

Computer Vision and Pattern Recognition · Computer Science 2016-07-19 Changxing Ding , Dacheng Tao

Most facial landmark detection methods predict landmarks by mapping the input facial appearance features to landmark heatmaps and have achieved promising results. However, when the face image is suffering from large poses, heavy occlusions…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Jun Wan , Jun Liu , Jie Zhou , Zhihui Lai , Linlin Shen , Hang Sun , Ping Xiong , Wenwen Min

In this paper, we proposed a novel pipeline for image-level classification in the hyperspectral images. By doing this, we show that the discriminative spectral information at image-level features lead to significantly improved performance…

Computer Vision and Pattern Recognition · Computer Science 2016-05-12 Vivek Sharma , Luc Van Gool

As multimedia content is quickly growing, the field of facial recognition has become one of the major research fields, particularly in the recent years. The most problematic area to researchers in image processing and computer vision is the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Aya Kaysan Bahjat

Capsule networks are designed to present the objects by a set of parts and their relationships, which provide an insight into the procedure of visual perception. Although recent works have shown the success of capsule networks on simple…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Chang Yu , Xiangyu Zhu , Xiaomei Zhang , Zidu Wang , Zhaoxiang Zhang , Zhen Lei

Facial expression is the most natural means for human beings to communicate their emotions. Most facial expression analysis studies consider the case of acted expressions. Spontaneous facial expression recognition is significantly more…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Dawood Al Chanti , Alice Caplier

Face images captured in heterogeneous environments, e.g., sketches generated by the artists or composite-generation software, photos taken by common cameras and infrared images captured by corresponding infrared imaging devices, usually…

Computer Vision and Pattern Recognition · Computer Science 2016-07-04 Chunlei Peng , Xinbo Gao , Nannan Wang , Jie Li

We present \emph{SPHEAR}, an accurate, differentiable parametric statistical 3D human head model, enabled by a novel 3D registration method based on spherical embeddings. We shift the paradigm away from the classical Non-Rigid Registration…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Eduard Gabriel Bazavan , Andrei Zanfir , Thiemo Alldieck , Teodor Alexandru Szente , Mihai Zanfir , Cristian Sminchisescu

Traditional shape descriptors have been gradually replaced by convolutional neural networks due to their superior performance in feature extraction and classification. The state-of-the-art methods recognize object shapes via image…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Wenlong Shi , Changsheng Lu , Ming Shao , Yinjie Zhang , Siyu Xia , Piotr Koniusz

This research presents an improved real-time face recognition system at a low resolution of 15 pixels with pose and emotion and resolution variations. We have designed our datasets named LRD200 and LRD100, which have been used for training…

Computer Vision and Pattern Recognition · Computer Science 2021-04-16 Kamal Chandra Paul , Semih Aslan

The aim of this paper is to give a wavelet series representation of Linear Multifractional Stable Motion (LMSM in brief), which is more explicit than that introduced in (Ayache & Hamonier 2012). Instead of using Daubechies wavelet, which is…

Probability · Mathematics 2014-05-23 Julien Hamonier

Local descriptors used in face recognition are robust in a sense that these descriptors perform well in varying pose, illumination and lighting conditions. Accuracy of these descriptors depends on the precision of mapping the relationship…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Soumendu Chakraborty , Satish Kumar Singh , Pavan Chakraborty

We investigate the problem of facial expression recognition using 3D data. Building from one of the most successful frameworks for facial analysis using exclusively 3D geometry, we extend the analysis from a curve-based representation into…

Computer Vision and Pattern Recognition · Computer Science 2017-05-22 Dmytro Derkach , Federico M. Sukno