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Facial expression recognition (FER) is vital for human-computer interaction and emotion analysis, yet recognizing expressions in low-resolution images remains challenging. This paper introduces a practical method called Dynamic Resolution…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Songpan Wang , Xu Li , Tianxiang Jiang , Yuanlun Xie

High dynamic range (HDR) imaging is a crucial task in computational photography, which captures details across diverse lighting conditions. Traditional HDR fusion methods face limitations in dynamic scenes with extreme exposure differences,…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Shi Guo , Zixuan Chen , Ziran Zhang , Yutian Chen , Gangwei Xu , Tianfan Xue

3D face shape is more expressive and viewpoint-consistent than its 2D counterpart. However, 3D facial landmark localization in a single image is challenging due to the ambiguous nature of landmarks under 3D perspective. Existing approaches…

计算机视觉与模式识别 · 计算机科学 2018-01-30 Hongwen Zhang , Qi Li , Zhenan Sun

Deep learning technique has dramatically boosted the performance of face alignment algorithms. However, due to large variability and lack of samples, the alignment problem in unconstrained situations, \emph{e.g}\onedot large head poses,…

计算机视觉与模式识别 · 计算机科学 2020-06-26 Xiehe Huang , Weihong Deng , Haifeng Shen , Xiubao Zhang , Jieping Ye

Accurate face landmark localization is an essential part of face recognition, reconstruction and morphing. To accurately localize face landmarks, we present our heatmap regression approach. Each model consists of a MobileNetV2 backbone…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Samuel W. F. Earp , Aubin Samacoits , Sanjana Jain , Pavit Noinongyao , Siwa Boonpunmongkol

There is an urgent need to apply face alignment in a memory-efficient and real-time manner due to the recent explosion of face recognition applications. However, impact factors such as large pose variation and computational inefficiency,…

计算机视觉与模式识别 · 计算机科学 2019-11-04 Bin Sun , Ming Shao , Siyu Xia , Yun Fu

In this paper, we present a deep learning based image feature extraction method designed specifically for face images. To train the feature extraction model, we construct a large scale photo-realistic face image dataset with ground-truth…

计算机视觉与模式识别 · 计算机科学 2018-03-13 Boyi Jiang , Juyong Zhang , Bailin Deng , Yudong Guo , Ligang Liu

The demand for immersive and interactive communication has driven advancements in 3D video conferencing, yet achieving high-fidelity 3D talking face representation at low bitrates remains a challenge. Traditional 2D video compression…

计算机视觉与模式识别 · 计算机科学 2026-01-30 Jianglong Li , Jun Xu , Bingcong Lu , Zhengxue Cheng , Hongwei Hu , Ronghua Wu , Li Song

We introduce a novel method for robust and accurate 3D object pose estimation from a single color image under large occlusions. Following recent approaches, we first predict the 2D projections of 3D points related to the target object and…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Markus Oberweger , Mahdi Rad , Vincent Lepetit

High dynamic range (HDR) imaging is an important task in image processing that aims to generate well-exposed images in scenes with varying illumination. Although existing multi-exposure fusion methods have achieved impressive results,…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Jun Xiao , Qian Ye , Tianshan Liu , Cong Zhang , Kin-Man Lam

Video super-resolution, which aims at producing a high-resolution video from its corresponding low-resolution version, has recently drawn increasing attention. In this work, we propose a novel method that can effectively incorporate…

计算机视觉与模式识别 · 计算机科学 2020-07-22 Takashi Isobe , Songjiang Li , Xu Jia , Shanxin Yuan , Gregory Slabaugh , Chunjing Xu , Ya-Li Li , Shengjin Wang , Qi Tian

What's the most accurate 3D model of your face you can obtain while sitting at your desk? We attempt to answer this question in our work. High fidelity face reconstructions have so far been limited to either studio settings or through…

计算机视觉与模式识别 · 计算机科学 2020-03-20 Shubham Agrawal , Anuj Pahuja , Simon Lucey

High Dynamic Range (HDR) images are generated using multiple exposures of a scene. When a hand-held camera is used to capture a static scene, these images need to be aligned by globally shifting each image in both dimensions. For a fast and…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Kadir Cenk Alpay , Kadir Berkay Aydemir , Alptekin Temizel

State-of-the-art human pose estimation methods are based on heat map representation. In spite of the good performance, the representation has a few issues in nature, such as not differentiable and quantization error. This work shows that a…

计算机视觉与模式识别 · 计算机科学 2018-09-19 Xiao Sun , Bin Xiao , Fangyin Wei , Shuang Liang , Yichen Wei

Video stabilization remains a fundamental problem in computer vision, particularly pixel-level synthesis solutions for video stabilization, which synthesize full-frame outputs, add to the complexity of this task. These methods aim to…

计算机视觉与模式识别 · 计算机科学 2025-08-27 Muhammad Kashif Ali , Eun Woo Im , Dongjin Kim , Tae Hyun Kim , Vivek Gupta , Haonan Luo , Tianrui Li

Single-view RGB object pose estimators have reached a level of precision and efficiency that makes them good candidates for vision-based robot control. However, off-the-shelf methods lack temporal consistency and robustness that are…

机器人学 · 计算机科学 2026-05-05 Kateryna Zorina , Vojtech Priban , Mederic Fourmy , Josef Sivic , Vladimir Petrik

Temporal modeling is crucial for video super-resolution. Most of the video super-resolution methods adopt the optical flow or deformable convolution for explicitly motion compensation. However, such temporal modeling techniques increase the…

计算机视觉与模式识别 · 计算机科学 2022-04-15 Takashi Isobe , Xu Jia , Xin Tao , Changlin Li , Ruihuang Li , Yongjie Shi , Jing Mu , Huchuan Lu , Yu-Wing Tai

Prevailing High Dynamic Range (HDR) video reconstruction methods are fundamentally trapped in a fragile alignment-and-fusion paradigm. While explicit spatial alignment can successfully recover fine details in controlled environments, it…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Qianyu Zhang , Bolun Zheng , Lingyu Zhu , Aiai Huang , Zongpeng Li , Shiqi Wang

In this paper, we propose HeadNeRF, a novel NeRF-based parametric head model that integrates the neural radiance field to the parametric representation of the human head. It can render high fidelity head images in real-time on modern GPUs,…

计算机视觉与模式识别 · 计算机科学 2022-05-03 Yang Hong , Bo Peng , Haiyao Xiao , Ligang Liu , Juyong Zhang

Wide area surveillance has many applications and tracking of objects under observation is an important task, which often needs high spatio-temporal resolution (HSTR) video for better precision. This paper presents the usage of multiple…

计算机视觉与模式识别 · 计算机科学 2022-04-12 H. Umut Suluhan , Hasan F. Ates , Bahadir K. Gunturk