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Deformable registration is ubiquitous in medical image analysis. Many deformable registration methods minimize sum of squared difference (SSD) as the registration cost with respect to deformable model parameters. In this work, we construct…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Sayan Ghosal , Nilanjan Ray

We address the problem of clothed human reconstruction from a single image or uncalibrated multi-view images. Existing methods struggle with reconstructing detailed geometry of a clothed human and often require a calibrated setting for…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Yukang Cao , Kai Han , Kwan-Yee K. Wong

This paper introduces a learning-based modeling framework for a magnetically steerable soft suction device designed for endoscopic endonasal brain tumor resection. The device is miniaturized (4 mm outer diameter, 2 mm inner diameter, 40 mm…

Robotics · Computer Science 2026-02-06 Majid Roshanfar , Alex Zhang , Changyan He , Amir Hooshiar , Dale J. Podolsky , Thomas Looi , Eric Diller

Active-stereo-based 3D shape measurement is crucial for various purposes, such as industrial inspection, reverse engineering, and medical systems, due to its strong ability to accurately acquire the shape of textureless objects. Active…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Ryo Furukawa , Kota Nishihara , Hiroshi Kawasaki

Research on autonomous surgery has largely focused on simple task automation in controlled environments. However, real-world surgical applications demand dexterous manipulation over extended durations and generalization to the inherent…

Although the recent image-based 3D object detection methods using Pseudo-LiDAR representation have shown great capabilities, a notable gap in efficiency and accuracy still exist compared with LiDAR-based methods. Besides, over-reliance on…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Peixuan Li , Shun Su , Huaici Zhao

This paper presents the development and evaluation of a medical service robot equipped with 3D LiDAR and advanced localization capabilities for use in hospital environments. The robot employs LiDAR-based Simultaneous Localization and…

Robotics · Computer Science 2024-11-08 Sayat Ibrayev , Arman Ibrayeva , Bekzat Amanov , Serik Tolenov

Due to the unique characteristics of underwater environments, accurate 3D reconstruction of underwater objects poses a challenging problem in tasks such as underwater exploration and mapping. Traditional methods that rely on multiple sensor…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Zeyu Chen , Jingyi Tang , Gu Wang , Shengquan Li , Xinghui Li , Xiangyang Ji , Xiu Li

Precise image segmentation provides clinical study with instructive information. Despite the remarkable progress achieved in medical image segmentation, there is still an absence of a 3D foundation segmentation model that can segment a wide…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Yuxin Du , Fan Bai , Tiejun Huang , Bo Zhao

Localization of a robotic system within a previously mapped environment is important for reducing estimation drift and for reusing previously built maps. Existing techniques for geometry-based localization have focused on the description of…

Neural surface reconstruction (NSR) has recently shown strong potential for urban 3D reconstruction from multi-view aerial imagery. However, existing NSR methods often suffer from geometric ambiguity and instability, particularly under…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Da Li , Chen Yao , Tong Mao , Jiacheng Bao , Houjun Sun

In this paper, we first propose a spatial-temporal coupled risk assessment paradigm by constructing a three-dimensional spatial-temporal risk field (STRF). Specifically, we introduce spatial-temporal distances to quantify the impact of…

Optimization and Control · Mathematics 2026-03-31 Guodong Ma , Baofeng Sun , Hongchao Liang , Wenyu Yang , Huxing Zhou

Translating natural language instructions into executable motion plans is a fundamental challenge in robotics. Traditional approaches are typically constrained by their reliance on domain-specific expertise to customize planners, and often…

Robotics · Computer Science 2025-10-21 Jia Li , Guoxiang Zhao

Dynamic quadrupedal locomotion over rough terrains reveals remarkable progress over the last few decades. Small-scale quadruped robots are adequately flexible and adaptable to traverse uneven terrains along sagittal direction, such as…

Robotics · Computer Science 2021-10-27 Hongwu Zhu , Dong Wang , Nathan Boyd , Ziyi Zhou , Lecheng Ruan , Aidong Zhang , Ning Ding , Ye Zhao , Jianwen Luo

In this paper a new technique is presented that extracts the geometry of lumbar vertebral bodies from spiral CT scans. Our new multi-step segmentation approach yields highly accurate and precise measurement of the bone mineral density (BMD)…

Computer Vision and Pattern Recognition · Computer Science 2017-05-23 Andre Mastmeyer , Klaus Engelke , Willi Kalender

Autonomy in robotic surgery is very challenging in unstructured environments, especially when interacting with deformable soft tissues. The main difficulty is to generate model-based control methods that account for deformation dynamics…

Robotics · Computer Science 2021-05-03 Fei Liu , Zihan Li , Yunhai Han , Jingpei Lu , Florian Richter , Michael C. Yip

Mapping and 3D detection are two major issues in vision-based robotics, and self-driving. While previous works only focus on each task separately, we present an innovative and efficient multi-task deep learning framework (SM3D) for…

Computer Vision and Pattern Recognition · Computer Science 2021-11-25 Runfa Li , Truong Nguyen

Segment matching is an important intermediate task in computer vision that establishes correspondences between semantically or geometrically coherent regions across images. Unlike keypoint matching, which focuses on localized features,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Rohit Jayanti , Swayam Agrawal , Vansh Garg , Siddharth Tourani , Muhammad Haris Khan , Sourav Garg , Madhava Krishna

3D decomposition/segmentation still remains a challenge as large-scale 3D annotated data is not readily available. Contemporary approaches typically leverage 2D machine-generated segments, integrating them for 3D consistency. While the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Tianhao Wu , Chuanxia Zheng , Tat-Jen Cham , Qianyi Wu

Accurate and reliable selection of the appropriate acetabular cup size is crucial for restoring joint biomechanics in total hip arthroplasty (THA). This paper proposes a novel framework that integrates square-root velocity function…