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Developing machine learning algorithms to understand person-to-person engagement can result in natural user experiences for communal devices such as Amazon Alexa. Among other cues such as voice activity and gaze, a person's audio-visual…

Audio and Speech Processing · Electrical Eng. & Systems 2020-12-02 Srinivas Parthasarathy , Shiva Sundaram

The potential of the nasal region for expression robust 3D face recognition is thoroughly investigated by a novel five-step algorithm. First, the nose tip location is coarsely detected and the face is segmented, aligned and the nasal region…

Computer Vision and Pattern Recognition · Computer Science 2019-01-03 Mehryar Emambakhsh , Adrian Evans

In the last years, the consolidation of deep neural network architectures for information extraction in document images has brought big improvements in the performance of each of the tasks involved in this process, consisting of text…

Computer Vision and Pattern Recognition · Computer Science 2020-05-05 Manuel Carbonell , Alicia Fornés , Mauricio Villegas , Josep Lladós

Leaf segmentation is the most direct and effective way for high-throughput plant phenotype data analysis and quantitative researches of complex traits. Currently, the primary goal of plant phenotyping is to raise the accuracy of the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Ruohao Guo , Liao Qu , Dantong Niu , Zhenbo Li , Jun Yue

In this paper we propose to learn a mapping from image pixels into a dense template grid through a fully convolutional network. We formulate this task as a regression problem and train our network by leveraging upon manually annotated…

Computer Vision and Pattern Recognition · Computer Science 2017-06-21 Rıza Alp Güler , George Trigeorgis , Epameinondas Antonakos , Patrick Snape , Stefanos Zafeiriou , Iasonas Kokkinos

Facial landmark localization aims to detect the predefined points of human faces, and the topic has been rapidly improved with the recent development of neural network based methods. However, it remains a challenging task when dealing with…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Zixuan Xu , Banghuai Li , Miao Geng , Ye Yuan

Action Units (AUs) are geometrically-based atomic facial muscle movements known to produce appearance changes at specific facial locations. Motivated by this observation we propose a novel AU modelling problem that consists of jointly…

Computer Vision and Pattern Recognition · Computer Science 2020-04-15 Ioanna Ntinou , Enrique Sanchez , Adrian Bulat , Michel Valstar , Georgios Tzimiropoulos

Recently, deep learning-based facial landmark detection for in-the-wild faces has achieved significant improvement. However, there are still challenges in face landmark detection in other domains (e.g. cartoon, caricature, etc). This is due…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Yuanming Li , Gwantae Kim , Jeong-gi Kwak , Bon-hwa Ku , Hanseok Ko

Exploring proper way to conduct multi-speech feature fusion for cross-corpus speech emotion recognition is crucial as different speech features could provide complementary cues reflecting human emotion status. While most previous approaches…

Sound · Computer Science 2024-06-14 Xueyu Liu , Jie Lin , Chao Wang

Spoken language understanding, which extracts intents and/or semantic concepts in utterances, is conventionally formulated as a post-processing of automatic speech recognition. It is usually trained with oracle transcripts, but needs to…

Sound · Computer Science 2020-07-30 Viet-Trung Dang , Tianyu Zhao , Sei Ueno , Hirofumi Inaguma , Tatsuya Kawahara

Dense facial landmark detection is one of the key elements of face processing pipeline. It is used in virtual face reenactment, emotion recognition, driver status tracking, etc. Early approaches were suitable for facial landmark detection…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Kostiantyn Khabarlak , Larysa Koriashkina

Multimodal dimensional emotion recognition has drawn a great attention from the affective computing community and numerous schemes have been extensively investigated, making a significant progress in this area. However, several questions…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Dung Nguyen , Duc Thanh Nguyen , Rui Zeng , Thanh Thi Nguyen , Son N. Tran , Thin Nguyen , Sridha Sridharan , Clinton Fookes

We present a deep learning framework for real-time speech-driven 3D facial animation from just raw waveforms. Our deep neural network directly maps an input sequence of speech audio to a series of micro facial action unit activations and…

Computer Vision and Pattern Recognition · Computer Science 2017-12-11 Hai X. Pham , Yuting Wang , Vladimir Pavlovic

The human face is a silent communicator, expressing emotions and thoughts through its facial expressions. With the advancements in computer vision in recent years, facial emotion recognition technology has made significant strides, enabling…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Arnab Kumar Roy , Hemant Kumar Kathania , Adhitiya Sharma , Abhishek Dey , Md. Sarfaraj Alam Ansari

This work proposes a novel face-swapping framework FlowFace++, utilizing explicit semantic flow supervision and end-to-end architecture to facilitate shape-aware face-swapping. Specifically, our work pretrains a facial shape discriminator…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Yu Zhang , Hao Zeng , Bowen Ma , Wei Zhang , Zhimeng Zhang , Yu Ding , Tangjie Lv , Changjie Fan

Existing works on multimodal affective computing tasks, such as emotion recognition, generally adopt a two-phase pipeline, first extracting feature representations for each single modality with hand-crafted algorithms and then performing…

Computation and Language · Computer Science 2021-12-06 Wenliang Dai , Samuel Cahyawijaya , Zihan Liu , Pascale Fung

Video retargeting for digital face animation is used in virtual reality, social media, gaming, movies, and video conference, aiming to animate avatars' facial expressions based on videos of human faces. The standard method to represent…

Graphics · Computer Science 2023-06-22 Ariel Larey , Omri Asraf , Adam Kelder , Itzik Wilf , Ofer Kruzel , Nati Daniel

Frame semantic parsing is a semantic analysis task based on FrameNet which has received great attention recently. The task usually involves three subtasks sequentially: (1) target identification, (2) frame classification and (3) semantic…

Computation and Language · Computer Science 2021-09-28 Zhichao Lin , Yueheng Sun , Meishan Zhang

Traditional visual speech recognition systems consist of two stages, feature extraction and classification. Recently, several deep learning approaches have been presented which automatically extract features from the mouth images and aim to…

Computer Vision and Pattern Recognition · Computer Science 2017-01-23 Stavros Petridis , Zuwei Li , Maja Pantic

We present a novel boundary-aware face alignment algorithm by utilising boundary lines as the geometric structure of a human face to help facial landmark localisation. Unlike the conventional heatmap based method and regression based…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Wayne Wu , Chen Qian , Shuo Yang , Quan Wang , Yici Cai , Qiang Zhou