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相关论文: OFER: Occluded Face Expression Reconstruction

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Reconstructing an accurate 3D object model from a few image observations remains a challenging problem in computer vision. State-of-the-art approaches typically assume accurate camera poses as input, which could be difficult to obtain in…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Zhenpei Yang , Zhile Ren , Miguel Angel Bautista , Zaiwei Zhang , Qi Shan , Qixing Huang

Person re-identification (re-id) suffers from a serious occlusion problem when applied to crowded public places. In this paper, we propose to retrieve a full-body person image by using a person image with occlusions. This differs…

计算机视觉与模式识别 · 计算机科学 2018-04-23 Jiaxuan Zhuo , Zeyu Chen , Jianhuang Lai , Guangcong Wang

3D image reconstruction from a limited number of 2D images has been a long-standing challenge in computer vision and image analysis. While deep learning-based approaches have achieved impressive performance in this area, existing deep…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Nivetha Jayakumar , Tonmoy Hossain , Miaomiao Zhang

Our work aims to reconstruct a 3D object that is held and rotated by a hand in front of a static RGB camera. Previous methods that use implicit neural representations to recover the geometry of a generic hand-held object from multi-view…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Shijian Jiang , Qi Ye , Rengan Xie , Yuchi Huo , Xiang Li , Yang Zhou , Jiming Chen

Single-view 3D shape retrieval is a challenging task that is increasingly important with the growth of available 3D data. Prior work that has studied this task has not focused on evaluating how realistic occlusions impact performance, and…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Qirui Wu , Daniel Ritchie , Manolis Savva , Angel X. Chang

We present Wave-Former, a novel method capable of high-accuracy 3D shape reconstruction for completely occluded, diverse, everyday objects. This capability can open new applications spanning robotics, augmented reality, and logistics. Our…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Laura Dodds , Maisy Lam , Waleed Akbar , Yibo Cheng , Fadel Adib

Accurate 6D object pose estimation is vital for robotics, augmented reality, and scene understanding. For seen objects, high accuracy is often attainable via per-object fine-tuning but generalizing to unseen objects remains a challenge. To…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Sajjad Pakdamansavoji , Yintao Ma , Amir Rasouli , Tongtong Cao

In this paper, we present a novel approach to automatic 3D Facial Expression Recognition (FER) based on deep representation of facial 3D geometric and 2D photometric attributes. A 3D face is firstly represented by its geometric and…

计算机视觉与模式识别 · 计算机科学 2015-11-11 Huibin Li , Jian Sun , Dong Wang , Zongben Xu , Liming Chen

3D reconstruction methods such as Neural Radiance Fields (NeRFs) excel at rendering photorealistic novel views of complex scenes. However, recovering a high-quality NeRF typically requires tens to hundreds of input images, resulting in a…

Facial expressions of emotion are a major channel in our daily communications, and it has been subject of intense research in recent years. To automatically infer facial expressions, convolutional neural network based approaches has become…

计算机视觉与模式识别 · 计算机科学 2020-08-14 Bita Houshmand , Naimul Khan

This paper introduces Bifr\"ost, a novel 3D-aware framework that is built upon diffusion models to perform instruction-based image composition. Previous methods concentrate on image compositing at the 2D level, which fall short in handling…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Lingxiao Li , Kaixiong Gong , Weihong Li , Xili Dai , Tao Chen , Xiaojun Yuan , Xiangyu Yue

Occluded person re-identification (Re-ID) in images captured by multiple cameras is challenging because the target person is occluded by pedestrians or objects, especially in crowded scenes. In addition to the processes performed during…

计算机视觉与模式识别 · 计算机科学 2022-12-12 Minjung Kim , MyeongAh Cho , Heansung Lee , Suhwan Cho , Sangyoun Lee

Existing methods for reconstructing objects and humans from a monocular image suffer from severe mesh collisions and performance limitations for interacting occluding objects. This paper introduces a method to obtain a globally consistent…

计算机视觉与模式识别 · 计算机科学 2024-08-16 Sarthak Batra , Partha P. Chakrabarti , Simon Hadfield , Armin Mustafa

We present a novel deep learning approach to synthesize complete face images in the presence of large ocular region occlusions. This is motivated by recent surge of VR/AR displays that hinder face-to-face communications. Different from the…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Yajie Zhao , Weikai Chen , Jun Xing , Xiaoming Li , Zach Bessinger , Fuchang Liu , Wangmeng Zuo , Ruigang Yang

We propose PFAvatar (Pose-Fusion Avatar), a new method that reconstructs high-quality 3D avatars from Outfit of the Day(OOTD) photos, which exhibit diverse poses, occlusions, and complex backgrounds. Our method consists of two stages: (1)…

计算机视觉与模式识别 · 计算机科学 2025-11-19 Dianbing Xi , Guoyuan An , Jingsen Zhu , Zhijian Liu , Yuan Liu , Ruiyuan Zhang , Jiayuan Lu , Yuchi Huo , Rui Wang

Although facial landmark detection (FLD) has gained significant progress, existing FLD methods still suffer from performance drops on partially non-visible faces, such as faces with occlusions or under extreme lighting conditions or poses.…

计算机视觉与模式识别 · 计算机科学 2025-01-15 Jui-Che Chiang , Hou-Ning Hu , Bo-Syuan Hou , Chia-Yu Tseng , Yu-Lun Liu , Min-Hung Chen , Yen-Yu Lin

The performance of face detection has been largely improved with the development of convolutional neural network. However, the occlusion issue due to mask and sunglasses, is still a challenging problem. The improvement on the recall of…

计算机视觉与模式识别 · 计算机科学 2017-11-23 Jianfeng Wang , Ye Yuan , Gang Yu

3D face reconstruction from a single image is a challenging problem, especially under partial occlusions and extreme poses. This is because the uncertainty of the estimated 2D landmarks will affect the quality of face reconstruction. In…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Kun Li , Jing Yang , Nianhong Jiao , Jinsong Zhang , Yu-Kun Lai

Large occlusions result in a significant decline in image classification accuracy. During inference, diverse types of unseen occlusions introduce out-of-distribution data to the classification model, leading to accuracy dropping as low as…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Ketan Kotwal , Tanay Deshmukh , Preeti Gopal

Solving the challenging problem of 3D object reconstruction from a single image appropriately gives existing technologies the ability to perform with a single monocular camera rather than requiring depth sensors. In recent years, thanks to…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Guiju Ping , Mahdi Abolfazli Esfahani , Han Wang