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Face detection, as a fundamental technology for various applications, is always deployed on edge devices which have limited memory storage and low computing power. This paper introduces a Light and Fast Face Detector (LFFD) for edge…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Yonghao He , Dezhong Xu , Lifang Wu , Meng Jian , Shiming Xiang , Chunhong Pan

We aim to construct a system that captures real-world facial images through the front camera on a laptop. The system is capable of processing/recognizing the captured image and predict a result in real-time. In this system, we exploit the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-25 Ching-Da Wu , Li-Heng Chen

Previous methods for dynamic facial expression recognition (DFER) in the wild are mainly based on Convolutional Neural Networks (CNNs), whose local operations ignore the long-range dependencies in videos. Transformer-based methods for DFER…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Fuyan Ma , Bin Sun , Shutao Li

Diffusion models have achieved unprecedented performance in image generation, yet they suffer from slow inference due to their iterative sampling process. To address this, early-exiting has recently been proposed, where the depth of the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Daniel Gallo Fernández , Răzvan-Andrei Matişan , Alejandro Monroy Muñoz , Ana-Maria Vasilcoiu , Janusz Partyka , Tin Hadži Veljković , Metod Jazbec

With the increasing availability of consumer depth sensors, 3D face recognition (FR) has attracted more and more attention. However, the data acquired by these sensors are often coarse and noisy, making them impractical to use directly. In…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Ruizhuo Xu , Ke Wang , Chao Deng , Mei Wang , Xi Chen , Wenhui Huang , Junlan Feng , Weihong Deng

Various imaging modalities are used in patient diagnosis, each offering unique advantages and valuable insights into anatomy and pathology. Computed Tomography (CT) is crucial in diagnostics, providing high-resolution images for precise…

Image and Video Processing · Electrical Eng. & Systems 2024-12-30 Rabeya Tus Sadia , Jie Zhang , Jin Chen

Ultra-Wide-Field Fluorescein Angiography (UWF-FA) enables precise identification of ocular diseases using sodium fluorescein, which can be potentially harmful. Existing research has developed methods to generate UWF-FA from Ultra-Wide-Field…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Zhaojie Fang , Xiao Yu , Guanyu Zhou , Ke Zhuang , Yifei Chen , Ruiquan Ge , Changmiao Wang , Gangyong Jia , Qing Wu , Juan Ye , Maimaiti Nuliqiman , Peifang Xu , Ahmed Elazab

We present a lightweight two-stage framework for low-light image enhancement (LLIE) that achieves competitive perceptual quality with significantly fewer parameters than existing methods. Our approach combines frozen algorithm-based…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Shimon Murai , Teppei Kurita , Ryuta Satoh , Yusuke Moriuchi

The contemporary state-of-the-art of Dynamic Facial Expression Recognition (DFER) technology facilitates remarkable progress by deriving emotional mappings of facial expressions from video content, underpinned by training on voluminous…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Haoran Wang , Xinji Mai , Zeng Tao , Xuan Tong , Junxiong Lin , Yan Wang , Jiawen Yu , Boyang Wang , Shaoqi Yan , Qing Zhao , Ziheng Zhou , Shuyong Gao , Wenqiang Zhang

The performance of CLIP in dynamic facial expression recognition (DFER) task doesn't yield exceptional results as observed in other CLIP-based classification tasks. While CLIP's primary objective is to achieve alignment between images and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-08 Zeng Tao , Yan Wang , Junxiong Lin , Haoran Wang , Xinji Mai , Jiawen Yu , Xuan Tong , Ziheng Zhou , Shaoqi Yan , Qing Zhao , Liyuan Han , Wenqiang Zhang

Latent Diffusion Models (LDMs) produce high-quality, photo-realistic images, however, the latency incurred by multiple costly inference iterations can restrict their applicability. We introduce LatentCRF, a continuous Conditional Random…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Kanchana Ranasinghe , Sadeep Jayasumana , Andreas Veit , Ayan Chakrabarti , Daniel Glasner , Michael S Ryoo , Srikumar Ramalingam , Sanjiv Kumar

Single-view novel view synthesis (NVS), the task of generating images from new viewpoints based on a single reference image, is important but challenging in computer vision. Recent advancements in NVS have leveraged Denoising Diffusion…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Yifeng Xiong , Haoyu Ma , Shanlin Sun , Kun Han , Hao Tang , Xiaohui Xie

Deep Neural Networks (DNNs) have shown to outperform traditional methods in various visual recognition tasks including Facial Expression Recognition (FER). In spite of efforts made to improve the accuracy of FER systems using DNN, existing…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Behzad Hasani , Mohammad H. Mahoor

In recent years, diffusion models have become one of the main methods for generating images. However, detecting images generated by these models remains a challenging task. This paper proposes a novel method for detecting images generated…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Dmitry Vesnin , Dmitry Levshun , Andrey Chechulin

Dynamic facial expression recognition (DFER) is a task that estimates emotions from facial expression video sequences. For practical applications, accurately recognizing ambiguous facial expressions -- frequently encountered in in-the-wild…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Ryosuke Kawamura , Hideaki Hayashi , Shunsuke Otake , Noriko Takemura , Hajime Nagahara

This work studies the challenging problem of acquiring high-quality underwater images via 4-D light field (LF) imaging. To this end, we propose GeoDiff-LF, a novel diffusion-based framework built upon SD-Turbo to enhance underwater 4-D LF…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Yuji Lin , Qian Zhao , Zongsheng Yue , Junhui Hou , Deyu Meng

Multi-label classification has broad applications and depends on powerful representations capable of capturing multi-label interactions. We introduce \textit{Diff-Feat}, a simple but powerful framework that extracts intermediate features…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Tian Lan , Yiming Zheng , Jianxin Yin

In the Fourier domain, luminance information is primarily encoded in the amplitude spectrum, while spatial structures are captured in the phase components. The traditional Fourier Frequency information fitting employs pixel-wise loss…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Yan Xingyang , Huang Xiaohong , Zhang Zhao , You Tian , Xu Ziheng

Convolutional neural networks (CNNs) and their variations have shown effectiveness in facial expression recognition (FER). However, they face challenges when dealing with high computational complexity and multi-view head poses in real-world…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Ali Ezati , Mohammadreza Dezyani , Rajib Rana , Roozbeh Rajabi , Ahmad Ayatollahi

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…

Computer Vision and Pattern Recognition · Computer Science 2017-06-07 Prudhvi Raj Dachapally
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