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Visual re-localization means using a single image as input to estimate the camera's location and orientation relative to a pre-recorded environment. The highest-scoring methods are "structure based," and need the query camera's intrinsics…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Mehmet Ozgur Turkoglu , Eric Brachmann , Konrad Schindler , Gabriel Brostow , Aron Monszpart

Intra-operative automatic semantic segmentation of knee joint structures can assist surgeons during knee arthroscopy in terms of situational awareness. However, due to poor imaging conditions (e.g., low texture, overexposure, etc.),…

图像与视频处理 · 电气工程与系统科学 2020-07-08 Fengbei Liu , Yaqub Jonmohamadi , Gabriel Maicas , Ajay K. Pandey , Gustavo Carneiro

Effective transperineal ultrasound image guidance in prostate external beam radiotherapy requires consistent alignment between probe and prostate at each session during patient set-up. Probe placement and ultrasound image inter-pretation…

计算机视觉与模式识别 · 计算机科学 2020-10-07 Alexander Grimwood , Helen McNair , Yipeng Hu , Ester Bonmati , Dean Barratt , Emma Harris

This paper presents a iterative optimization method, explicit shape regression, for face pose detection and localization. The regression function is learnt to find out the entire facial shape and minimize the alignment errors. A cascaded…

计算机视觉与模式识别 · 计算机科学 2017-09-12 Wenye He

3D pose estimation is a key component of many important computer vision tasks such as autonomous navigation and 3D scene understanding. Most state-of-the-art approaches to 3D pose estimation solve this problem as a pose-classification…

计算机视觉与模式识别 · 计算机科学 2017-08-21 Siddharth Mahendran , Haider Ali , Rene Vidal

The morphological changes in knee cartilage (especially femoral and tibial cartilages) are closely related to the progression of knee osteoarthritis, which is expressed by magnetic resonance (MR) images and assessed on the cartilage…

图像与视频处理 · 电气工程与系统科学 2022-06-22 Dong Liang , Jun Liu , Kuanquan Wang , Gongning Luo , Wei Wang , Shuo Li

Real-time robotic grasping, supporting a subsequent precise object-in-hand operation task, is a priority target towards highly advanced autonomous systems. However, such an algorithm which can perform sufficiently-accurate grasping with…

计算机视觉与模式识别 · 计算机科学 2021-11-12 Tuan-Tang Le , Trung-Son Le , Yu-Ru Chen , Joel Vidal , Chyi-Yeu Lin

Applications providing automated coaching for physical training are increasing in popularity, for example physical therapy. These applications rely on accurate and robust pose estimation using monocular video streams. State-of-the-art…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Tobias Leuthold , Michele Xiloyannis , Yves Zimmermann

The task of human pose estimation (HPE) deals with the ill-posed problem of estimating the 3D position of human joints directly from images and videos. In recent literature, most of the works tackle the problem mostly by using convolutional…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Nicola Garau , Nicola Conci

This paper addresses the problem of 3D human pose and shape estimation from a single image. Previous approaches consider a parametric model of the human body, SMPL, and attempt to regress the model parameters that give rise to a mesh…

计算机视觉与模式识别 · 计算机科学 2019-05-09 Nikos Kolotouros , Georgios Pavlakos , Kostas Daniilidis

3D human pose and shape estimation (HPE) aims to reconstruct the 3D human body, face, and hands from a single image. Although powerful deep learning models have achieved accurate estimation in this task, they require enormous memory and…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Zhiteng Li , Yulun Zhang , Jing Lin , Haotong Qin , Jinjin Gu , Xin Yuan , Linghe Kong , Xiaokang Yang

3D hand pose estimation from a single depth image plays an important role in computer vision and human-computer interaction. Although recent hand pose estimation methods using convolution neural network (CNN) have shown notable improvements…

计算机视觉与模式识别 · 计算机科学 2020-08-28 Cheol-hwan Yoo , Seo-won Ji , Yong-goo Shin , Seung-wook Kim , Sung-jea Ko

International standards for biometric identity documents mandate strict compliance with pose requirements, including the square presentation of a subject's shoulders. However, the literature on automated quality assessment offers few…

计算机视觉与模式识别 · 计算机科学 2025-11-19 Alfonso Pedro Ridao

Accurate prediction of knee osteoarthritis (KOA) progression from structural MRI has a potential to enhance disease understanding and support clinical trials. Prior art focused on manually designed imaging biomarkers, which may not fully…

图像与视频处理 · 电气工程与系统科学 2024-08-07 Egor Panfilov , Simo Saarakkala , Miika T. Nieminen , Aleksei Tiulpin

Three-dimensional models of craniofacial variation over the general population are useful for assessing pre- and post-operative head shape when treating various craniofacial conditions, such as craniosynostosis. We present a new method of…

计算机视觉与模式识别 · 计算机科学 2016-01-22 Nick Pears , Christian Duncan

Current 6D object pose methods consist of deep CNN models fully optimized for a single object but with its architecture standardized among objects with different shapes. In contrast to previous works, we explicitly exploit each object's…

计算机视觉与模式识别 · 计算机科学 2020-09-04 Pedro Castro , Anil Armagan , Tae-Kyun Kim

Determining the 3D orientations of an object in an image, known as single-image pose estimation, is a crucial task in 3D vision applications. Existing methods typically learn 3D rotations parametrized in the spatial domain using Euler…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Jongmin Lee , Minsu Cho

Pose estimation of 3D objects in monocular images is a fundamental and long-standing problem in computer vision. Existing deep learning approaches for 6D pose estimation typically rely on the assumption of availability of 3D object models…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Fu Li , Hao Yu , Ivan Shugurov , Benjamin Busam , Shaowu Yang , Slobodan Ilic

Scene understanding from images is a challenging problem encountered in autonomous driving. On the object level, while 2D methods have gradually evolved from computing simple bounding boxes to delivering finer grained results like instance…

计算机视觉与模式识别 · 计算机科学 2020-03-11 Rui Wang , Nan Yang , Joerg Stueckler , Daniel Cremers

Accurate reconstruction of implanted knee models is crucial in orthopedic surgery and biomedical engineering, enhancing preoperative planning, optimizing implant design, and improving surgical outcomes. Traditional methods rely on…

图像与视频处理 · 电气工程与系统科学 2024-08-06 Viet-Dung Nguyen , Michael T. LaCour , Richard D. Komistek