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Ensuring robustness in face recognition systems across various challenging conditions is crucial for their versatility. State-of-the-art methods often incorporate additional information, such as depth, thermal, or angular data, to enhance…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Muhammad Zeshan Alam , Sousso kelowani , Mohamed Elsaeidy

Group emotion recognition in the wild is a challenging problem, due to the unstructured environments in which everyday life pictures are taken. Some of the obstacles for an effective classification are occlusions, variable lighting…

计算机视觉与模式识别 · 计算机科学 2017-09-13 Luca Surace , Massimiliano Patacchiola , Elena Battini Sönmez , William Spataro , Angelo Cangelosi

The spatio-angular resolution of a light field (LF) display is a crucial factor for delivering adequate spatial image quality and eliciting an accommodation response. Previous studies have modelled retinal image formation with an LF display…

图像与视频处理 · 电气工程与系统科学 2022-10-12 Yuta Miyanishi , Erdem Sahin , Atanas Gotchev

This paper introduces LLDif, a novel diffusion-based facial expression recognition (FER) framework tailored for extremely low-light (LL) environments. Images captured under such conditions often suffer from low brightness and significantly…

计算机视觉与模式识别 · 计算机科学 2024-08-09 Zhifeng Wang , Kaihao Zhang , Ramesh Sankaranarayana

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…

计算机视觉与模式识别 · 计算机科学 2021-05-24 Leilei Cao , Yao Xiao , Lin Xu

Facial Expression Recognition is a vital research topic in most fields ranging from artificial intelligence and gaming to Human-Computer Interaction (HCI) and Psychology. This paper proposes a hybrid model for Facial Expression recognition,…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Ozioma Collins Oguine , Kanyifeechukwu Jane Oguine , Hashim Ibrahim Bisallah , Daniel Ofuani

Emotion being a subjective thing, leveraging knowledge and science behind labeled data and extracting the components that constitute it, has been a challenging problem in the industry for many years. With the evolution of deep learning in…

计算机视觉与模式识别 · 计算机科学 2017-06-07 Prudhvi Raj Dachapally

Unlike the constraint frontal face condition, faces in the wild have various unconstrained interference factors, such as complex illumination, changing perspective and various occlusions. Facial expressions recognition (FER) in the wild is…

计算机视觉与模式识别 · 计算机科学 2020-02-03 Chuang Wang , Ruimin Hu , Min Hu , Jiang Liu , Ting Ren , Shan He , Ming Jiang , Jing Miao

Facial Expression Recognition(FER) is one of the most important topic in Human-Computer interactions(HCI). In this work we report details and experimental results about a facial expression recognition method based on state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2021-01-25 Donato Cafarelli , Fabio Valerio Massoli , Fabrizio Falchi , Claudio Gennaro , Giuseppe Amato

Dense 3D facial motion capture from only monocular in-the-wild pairs of RGB images is a highly challenging problem with numerous applications, ranging from facial expression recognition to facial reenactment. In this work, we propose…

计算机视觉与模式识别 · 计算机科学 2020-05-18 Mohammad Rami Koujan , Anastasios Roussos , Stefanos Zafeiriou

Light Field (LF) offers unique advantages such as post-capture refocusing and depth estimation, but low-light conditions limit these capabilities. To restore low-light LFs we should harness the geometric cues present in different LF views,…

图像与视频处理 · 电气工程与系统科学 2020-12-29 Mohit Lamba , Kranthi Kumar , Kaushik Mitra

This paper explores the problem of reconstructing high-resolution light field (LF) images from hybrid lenses, including a high-resolution camera surrounded by multiple low-resolution cameras. To tackle this challenge, we propose a novel…

计算机视觉与模式识别 · 计算机科学 2020-08-04 Jing Jin , Junhui Hou , Jie Chen , Sam Kwong , Jingyi Yu

A Light Field (LF) camera consists of an additional two-dimensional array of micro-lenses placed between the main lens and sensor, compared to a conventional camera. The sensor pixels under each micro-lens receive light from a sub-aperture…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Suresh Nehra , Aupendu Kar , Jayanta Mukhopadhyay , Prabir Kumar Biswas

Automated affective computing in the wild is a challenging task in the field of computer vision. This paper presents three neural network-based methods proposed for the task of facial affect estimation submitted to the First…

计算机视觉与模式识别 · 计算机科学 2020-04-17 Behzad Hasani , Mohammad H. Mahoor

Facial expression recognition has been an active research area over the past few decades, and it is still challenging due to the high intra-class variation. Traditional approaches for this problem rely on hand-crafted features such as SIFT,…

计算机视觉与模式识别 · 计算机科学 2019-02-05 Shervin Minaee , Amirali Abdolrashidi

In this paper, we tackle the challenge of face recognition in the wild, where images often suffer from low quality and real-world distortions. Traditional heuristic approaches-either training models directly on these degraded images or…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Yunhao Liu , Yu-Ju Tsai , Kelvin C. K. Chan , Xiangtai Li , Lu Qi , Ming-Hsuan Yang

Understanding how networks of neurons process information is one of the key challenges in modern neuroscience. A necessary step to achieve this goal is to be able to observe the dynamics of large populations of neurons over a large area of…

图像与视频处理 · 电气工程与系统科学 2022-03-09 Pingfan Song , Herman Verinaz Jadan , Carmel L. Howe , Amanda J. Foust , Pier Luigi Dragotti

Facial expressions are important cues to observe human emotions. Facial expression recognition has attracted many researchers for years, but it is still a challenging topic since expression features vary greatly with the head poses,…

计算机视觉与模式识别 · 计算机科学 2020-09-15 S. D. Lalitha , K. K. Thyagharajan

Heterogeneous Face Recognition (HFR) aims at matching face images captured across different sensing modalities, such as thermal-to-visible or near-infrared-to-visible, enhancing the usability of face recognition systems in challenging…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Anjith George , Sebastien Marcel

Recently, facial expression recognition (FER) in the wild has gained a lot of researchers' attention because it is a valuable topic to enable the FER techniques to move from the laboratory to the real applications. In this paper, we focus…

计算机视觉与模式识别 · 计算机科学 2020-08-14 Xingxun Jiang , Yuan Zong , Wenming Zheng , Chuangao Tang , Wanchuang Xia , Cheng Lu , Jiateng Liu