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With the transition of facial expression recognition (FER) from laboratory-controlled to challenging in-the-wild conditions and the recent success of deep learning techniques in various fields, deep neural networks have increasingly been…

计算机视觉与模式识别 · 计算机科学 2020-04-20 Shan Li , Weihong Deng

Recently, there has been a significant advancement in text-to-image diffusion models, leading to groundbreaking performance in 2D image generation. These advancements have been extended to 3D models, enabling the generation of novel 3D…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Jangho Park , Gihyun Kwon , Jong Chul Ye

Facial expression recognition (FER) remains a challenging task due to the ambiguity of expressions. The derived noisy labels significantly harm the performance in real-world scenarios. To address this issue, we present a new FER model named…

计算机视觉与模式识别 · 计算机科学 2023-07-21 Zhiyu Wu , Jinshi Cui

Facial expression recognition (FER) is a subset of computer vision with important applications for human-computer-interaction, healthcare, and customer service. FER represents a challenging problem-space because accurate classification…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Ezra Engel , Lishan Li , Chris Hudy , Robert Schleusner

While recent works on blind face image restoration have successfully produced impressive high-quality (HQ) images with abundant details from low-quality (LQ) input images, the generated content may not accurately reflect the real appearance…

计算机视觉与模式识别 · 计算机科学 2024-12-09 Chi-Wei Hsiao , Yu-Lun Liu , Cheng-Kun Yang , Sheng-Po Kuo , Kevin Jou , Chia-Ping Chen

In recent years, Facial Expression Recognition (FER) has gained increasing attention. Most current work focuses on supervised learning, which requires a large amount of labeled and diverse images, while FER suffers from the scarcity of…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Jie Song , Mengqiao He , Jinhua Feng , Bairong Shen

The recovery of high-quality images from images corrupted by lens flare presents a significant challenge in low-level vision. Contemporary deep learning methods frequently entail training a lens flare removing model from scratch. However,…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Tianwen Zhou , Qihao Duan , Zitong Yu

Given the audio-visual clip of the speaker, facial reaction generation aims to predict the listener's facial reactions. The challenge lies in capturing the relevance between video and audio while balancing appropriateness, realism, and…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Jiaming Li , Sheng Wang , Xin Wang , Yitao Zhu , Honglin Xiong , Zixu Zhuang , Qian Wang

Faithful image super-resolution (SR) not only needs to recover images that appear realistic, similar to image generation tasks, but also requires that the restored images maintain fidelity and structural consistency with the input. To this…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Junyang Chen , Jinshan Pan , Jiangxin Dong

Diffusion models excel at image restoration via probabilistic modeling of forward noise addition and reverse denoising, and their ability to handle complex noise while preserving fine details makes them well-suited for Low-Light Image…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Ying Liu , Junchao Zhang , Caiyun Wu

Facial Expression Recognition (FER) holds significant importance in human-computer interactions. Existing cross-domain FER methods often transfer knowledge solely from a single labeled source domain to an unlabeled target domain, neglecting…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Yuxiang Yang , Lu Wen , Xinyi Zeng , Yuanyuan Xu , Xi Wu , Jiliu Zhou , Yan Wang

The study of Dynamic Facial Expression Recognition (DFER) is a nascent field of research that involves the automated recognition of facial expressions in video data. Although existing research has primarily focused on learning…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Feng Liu , Hanyang Wang , Siyuan Shen

Facial Expression Recognition (FER) is an important task in computer vision and has wide applications in human-computer interaction, intelligent security, emotion analysis, and other fields. However, the limited size of FER datasets limits…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Jun Yu , Zhongpeng Cai , Renda Li , Gongpeng Zhao , Guochen Xie , Jichao Zhu , Wangyuan Zhu

We introduce LTCF-Net, a novel network architecture designed for enhancing low-light images. Unlike Retinex-based methods, our approach utilizes two color spaces - LAB and YUV - to efficiently separate and process color information, by…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Gaojing Zhang , Jinglun Feng

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

Estimating scene lighting from a single image or video remains a longstanding challenge in computer vision and graphics. Learning-based approaches are constrained by the scarcity of ground-truth HDR environment maps, which are expensive to…

图形学 · 计算机科学 2025-09-05 Ruofan Liang , Kai He , Zan Gojcic , Igor Gilitschenski , Sanja Fidler , Nandita Vijaykumar , Zian Wang

Light-field microscopy (LFM) enables single-shot capture of multi-angular information from biological samples, supporting real-time volumetric imaging. However, traditional physics-based algorithms often suffer from limited spatial…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Qihong Zhao , Shaokang Yan , Zhimin Qiao , Jinjia Wang , Bo Xiong

The Latent Diffusion Model (LDM) has demonstrated strong capabilities in high-resolution image generation and has been widely employed for Pose-Guided Person Image Synthesis (PGPIS), yielding promising results. However, the compression…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Jiaqi Liu , Jichao Zhang , Paolo Rota , Nicu Sebe

Instead of performing text-conditioned denoising in the image domain, latent diffusion models (LDMs) operate in latent space of a variational autoencoder (VAE), enabling more efficient processing at reduced computational costs. However,…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Jason Becker , Chris Wendler , Peter Baylies , Robert West , Christian Wressnegger

Automated Facial Expression Recognition (FER) has been a challenging task for decades. Many of the existing works use hand-crafted features such as LBP, HOG, LPQ, and Histogram of Optical Flow (HOF) combined with classifiers such as Support…

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