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Regressing 3D rotations of objects from 2D images is a crucial yet challenging task, with broad applications in autonomous driving, virtual reality, and robotic control. Existing rotation regression models often rely on large amounts of…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Mei Li , Huayi Zhou , Suizhi Huang , Yuxiang Lu , Yue Ding , Hongtao Lu

Usually, lesions are not isolated but are associated with the surrounding tissues. For example, the growth of a tumour can depend on or infiltrate into the surrounding tissues. Due to the pathological nature of the lesions, it is…

图像与视频处理 · 电气工程与系统科学 2022-10-12 Lin Wang , Xiufen Ye , Donghao Zhang , Wanji He , Lie Ju , Yi Luo , Huan Luo , Xin Wang , Wei Feng , Kaimin Song , Xin Zhao , Zongyuan Ge

We present an unsupervised data-driven approach for non-rigid shape matching. Shape matching identifies correspondences between two shapes and is a fundamental step in many computer vision and graphics applications. Our approach is designed…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Aymen Merrouche , Joao Regateiro , Stefanie Wuhrer , Edmond Boyer

In natural images, object skeletons are used to represent geometric shapes. However, even slight variations in pose or movement can cause noticeable changes in skeleton structure, increasing the difficulty of detecting the skeleton and…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Daoyong Fu , Xiang Zhang , Zhaohuan Zhan , Fan Yang , Ke Yang

Spinal degeneration plagues many elders, office workers, and even the younger generations. Effective pharmic or surgical interventions can help relieve degenerative spine conditions. However, the traditional diagnosis procedure is often too…

计算机视觉与模式识别 · 计算机科学 2021-11-11 Jiabo He , Wei Liu , Yu Wang , Xingjun Ma , Xian-Sheng Hua

The lack of fine-grained 3D shape segmentation data is the main obstacle to developing learning-based 3D segmentation techniques. We propose an effective semi-supervised method for learning 3D segmentations from a few labeled 3D shapes and…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Chun-Yu Sun , Yu-Qi Yang , Hao-Xiang Guo , Peng-Shuai Wang , Xin Tong , Yang Liu , Heung-Yeung Shum

Robotic systems are transforming image-guided interventions by enhancing accuracy and minimizing radiation exposure. A significant challenge in robotic assistance lies in surgical path planning, which often relies on the registration of…

Segmentation of 3D knee MR images is important for the assessment of osteoarthritis. Like other medical data, the volume-wise labeling of knee MR images is expertise-demanded and time-consuming; hence semi-supervised learning (SSL),…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Yiqun Lin , Huifeng Yao , Zezhong Li , Guoyan Zheng , Xiaomeng Li

Deep learning networks have shown promising performance for accurate object localization in medial images, but require large amount of annotated data for supervised training, which is expensive and expertise burdensome. To address this…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Wenhui Lei , Wei Xu , Ran Gu , Hao Fu , Shaoting Zhang , Guotai Wang

State-of-the-art computer- and robot-assisted surgery systems heavily depend on intraoperative imaging technologies such as CT and fluoroscopy to generate detailed 3D visualization of the patient's anatomy. While imaging techniques are…

图像与视频处理 · 电气工程与系统科学 2024-10-04 Aidana Massalimova , Florentin Liebmann , Sascha Jecklin , Fabio Carrillo , Farshad Mazda , Philipp Fürnstahl

The raising availability of 3D cameras and dramatic improvement of computer vision algorithms in the recent decade, accelerated the research of automatic movement assessment solutions. Such solutions can be implemented at home, using…

计算机视觉与模式识别 · 计算机科学 2020-07-31 Tal Hakim

Contemporary approaches to solving various problems that require analyzing three-dimensional (3D) meshes and point clouds have adopted the use of deep learning algorithms that directly process 3D data such as point coordinates, normal…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Stefan Novaković , Vladimir Risojević

3D object detection is an important yet demanding task that heavily relies on difficult to obtain 3D annotations. To reduce the required amount of supervision, we propose 3DIoUMatch, a novel semi-supervised method for 3D object detection…

计算机视觉与模式识别 · 计算机科学 2021-07-07 He Wang , Yezhen Cong , Or Litany , Yue Gao , Leonidas J. Guibas

While numerous 3D detection works leverage the complementary relationship between RGB images and point clouds, developments in the broader framework of semi-supervised object recognition remain uninfluenced by multi-modal fusion. Current…

计算机视觉与模式识别 · 计算机科学 2022-03-18 Jinhyung Park , Chenfeng Xu , Yiyang Zhou , Masayoshi Tomizuka , Wei Zhan

Scoliosis is traditionally assessed based solely on 2D lateral deviations, but recent studies have also revealed the importance of other imaging planes in understanding the deformation of the spine. Consequently, extracting the spinal…

图像与视频处理 · 电气工程与系统科学 2024-12-03 Emmanuelle Bourigault , Amir Jamaludin , Andrew Zisserman

To meet the clinical demand for accurate 3D lumbar spine assessment in a weight-bearing position, this study presents a novel, fully automatic framework for high-precision 3D reconstruction from biplanar X-ray images, overcoming the…

图像与视频处理 · 电气工程与系统科学 2025-10-08 Wanxin Yu , Zhemin Zhu , Cong Wang , Yihang Bao , Chunjie Xia , Rongshan Cheng , Yan Yu , Tsung-Yuan Tsai

One of the most successful approaches in Multi-View Stereo estimates a depth map and a normal map for each view via PatchMatch-based optimization and fuses them into a consistent 3D points cloud. This approach relies on photo-consistency to…

计算机视觉与模式识别 · 计算机科学 2019-03-27 Andrea Romanoni , Matteo Matteucci

Supervised deep learning methods for semantic medical image segmentation are getting increasingly popular in the past few years.However, in resource constrained settings, getting large number of annotated images is very difficult as it…

计算机视觉与模式识别 · 计算机科学 2022-08-03 Pratima Upretee , Bishesh Khanal

The thighbone is the largest bone supporting the lower body. If the thighbone fracture is not treated in time, it will lead to lifelong inability to walk. Correct diagnosis of thighbone disease is very important in orthopedic medicine. Deep…

图像与视频处理 · 电气工程与系统科学 2022-10-21 Jinman Wei , Jinkun Yao , Guoshan Zhanga , Bin Guan , Yueming Zhang , Shaoquan Wang

The work proposes an image segmentation algorithm that isolates slender regions in three-dimensional microstructures. Characterizing slender regions in material microstructures is an extremely important aspect in material science because…

数据分析、统计与概率 · 物理学 2025-03-13 Vinit Vijay Deshpande , Romana Piat