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We show that cellular automata can classify data by inducing a form of dynamical phase coexistence. We use Monte Carlo methods to search for general two-dimensional deterministic automata that classify images on the basis of activity, the…

神经与进化计算 · 计算机科学 2023-08-02 Stephen Whitelam , Isaac Tamblyn

The progress we are currently witnessing in many computer vision applications, including automatic face analysis, would not be made possible without tremendous efforts in collecting and annotating large scale visual databases. To this end,…

计算机视觉与模式识别 · 计算机科学 2018-06-15 Shiyang Cheng , Irene Kotsia , Maja Pantic , Stefanos Zafeiriou

The face expression is the first thing we pay attention to when we want to understand a person's state of mind. Thus, the ability to recognize facial expressions in an automatic way is a very interesting research field. In this paper,…

计算机视觉与模式识别 · 计算机科学 2024-02-16 Enrico Randellini , Leonardo Rigutini , Claudio Sacca'

Extraction of discriminative features from salient facial patches plays a vital role in effective facial expression recognition. The accurate detection of facial landmarks improves the localization of the salient patches on face images.…

计算机视觉与模式识别 · 计算机科学 2018-07-19 S L Happy , Aurobinda Routray

This paper proposes a novel 4D Facial Expression Recognition (FER) method using Collaborative Cross-domain Dynamic Image Network (CCDN). Given a 4D data of face scans, we first compute its geometrical images, and then combine their…

计算机视觉与模式识别 · 计算机科学 2020-02-10 Muzammil Behzad , Nhat Vo , Xiaobai Li , Guoying Zhao

Cloud Mining technique can be applied to various documents. Acquisition and storage of video data is an easy task but retrieval of information from video data is a challenging task. So video Cloud Mining plays an important role in efficient…

信息检索 · 计算机科学 2013-11-19 P. Kiran Sree , Inampudi Ramesh Babu , SSSN Usha Devi N

We propose an image-based, facial reenactment system that replaces the face of an actor in an existing target video with the face of a user from a source video, while preserving the original target performance. Our system is fully automatic…

计算机视觉与模式识别 · 计算机科学 2016-02-09 Pablo Garrido , Levi Valgaerts , Ole Rehmsen , Thorsten Thormaehlen , Patrick Perez , Christian Theobalt

Different people have different facial expressions while speaking emotionally. A realistic facial animation system should consider such identity-specific speaking styles and facial idiosyncrasies to achieve high-degree of naturalness and…

人工智能 · 计算机科学 2023-10-27 Elif Bozkurt

In this paper, we present a large-scale, multi-source, and unconstrained database called SDFE-LV for spotting the onset and offset frames of a complete dynamic facial expression from long videos, which is known as the topic of dynamic…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Xiaolin Xu , Yuan Zong , Wenming Zheng , Yang Li , Chuangao Tang , Xingxun Jiang , Haolin Jiang

This thesis describes the design and implementation of a smile detector based on deep convolutional neural networks. It starts with a summary of neural networks, the difficulties of training them and new training methods, such as Restricted…

计算机视觉与模式识别 · 计算机科学 2015-08-27 Patrick O. Glauner

Face animation deals with controlling and generating facial features with a wide range of applications. The methods based on unsupervised keypoint positioning can produce realistic and detailed virtual portraits. However, they cannot…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Hong Li , Boyu Liu , Xuhui Liu , Baochang Zhang

We propose a real time deep learning framework for video-based facial expression capture. Our process uses a high-end facial capture pipeline based on FACEGOOD to capture facial expression. We train a convolutional neural network to produce…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Hongwei Xu , Leijia Dai , Jianxing Fu , Xiangyuan Wang , Quanwei Wang

Facial expression detection involves two interrelated tasks: spotting, which identifies the onset and offset of expressions, and recognition, which classifies them into emotional categories. Most existing methods treat these tasks…

计算机视觉与模式识别 · 计算机科学 2025-04-11 Yini Fang , Alec Diallo , Yiqi Shi , Frederic Jumelle , Bertram Shi

Expressions and facial action units (AUs) are two levels of facial behavior descriptors. Expression auxiliary information has been widely used to improve the AU detection performance. However, most existing expression representations can…

计算机视觉与模式识别 · 计算机科学 2022-10-31 Rudong An , Wei Zhang , Hao Zeng , Wei Chen , Zhigang Deng , Yu Ding

We propose a novel convolutional neural network approach to address the fine-grained recognition problem of multi-view dynamic facial action unit detection. We leverage recent gains in large-scale object recognition by formulating the task…

计算机视觉与模式识别 · 计算机科学 2018-08-21 Andres Romero , Juan Leon , Pablo Arbelaez

We present techniques for improving performance driven facial animation, emotion recognition, and facial key-point or landmark prediction using learned identity invariant representations. Established approaches to these problems can work…

计算机视觉与模式识别 · 计算机科学 2016-05-24 David Rim , Sina Honari , Md Kamrul Hasan , Chris Pal

In this paper a novel efficient method for representation of facial action units by encoding an image sequence as a fourth-order tensor is presented. The multilinear tensor-based extension of the biased discriminant analysis (BDA)…

计算机视觉与模式识别 · 计算机科学 2010-04-06 Mahmoud Khademi , Mehran Safayani , Mohammad T. Manzuri-Shalmani

Facial Expression Classification is an interesting research problem in recent years. There are a lot of methods to solve this problem. In this research, we propose a novel approach using Canny, Principal Component Analysis (PCA) and…

计算机视觉与模式识别 · 计算机科学 2011-11-18 Le Hoang Thai , Nguyen Do Thai Nguyen , Tran Son Hai

Each human face is unique. It has its own shape, topology, and distinguishing features. As such, developing and testing facial tracking systems are challenging tasks. The existing face recognition and tracking algorithms in Computer Vision…

计算机视觉与模式识别 · 计算机科学 2015-06-03 Catarina Runa Miranda , Pedro Mendes , Pedro Coelho , Xenxo Alvarez , João Freitas , Miguel Sales Dias , Verónica Costa Orvalho

Developing a reliable and practical face recognition system is a long-standing goal in computer vision research. Existing literature suggests that pixel-wise face alignment is the key to achieve high-accuracy face recognition. By assuming a…

计算机视觉与模式识别 · 计算机科学 2015-01-21 Yuting Zhang , Kui Jia , Yueming Wang , Gang Pan , Tsung-Han Chan , Yi Ma