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The aim of craniofacial reconstruction is to produce a likeness of a face from the skull. Few works in computerized assisted facial reconstruction have been done in the past, due to poor machine performances and data availability, and major…

Medical Physics · Physics 2016-08-16 Maxime Berar , Michel Desvignes , Gérard Bailly , Yohan Payan

Unsafe surgical care is a critical health concern, often linked to limitations in surgeon experience, skills, and situational awareness. Integrating patient-specific 3D models into the surgical field can enhance visualization, provide…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Alberto Neri , Veronica Penza , Nazim Haouchine , Leonardo S. Mattos

Vessel dynamics simulation is vital in studying the relationship between geometry and vascular disease progression. Reliable dynamics simulation relies on high-quality vascular meshes. Most of the existing mesh generation methods highly…

Image and Video Processing · Electrical Eng. & Systems 2024-12-03 Dengqiang Jia , Xinnian Yang , Xiaosong Xiong , Shijie Huang , Feiyu Hou , Li Qin , Kaicong Sun , Kannie Wai Yan Chan , Dinggang Shen

We present \emph{SPHEAR}, an accurate, differentiable parametric statistical 3D human head model, enabled by a novel 3D registration method based on spherical embeddings. We shift the paradigm away from the classical Non-Rigid Registration…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Eduard Gabriel Bazavan , Andrei Zanfir , Thiemo Alldieck , Teodor Alexandru Szente , Mihai Zanfir , Cristian Sminchisescu

Recent developments in the registration of histology and micro-computed tomography ({\mu}CT) have broadened the perspective of pathological applications such as virtual histology based on {\mu}CT. This topic remains challenging because of…

As a fundamental problem in computer vision, 3D point cloud registration (PCR) aims to seek the optimal pose to align a point cloud pair. In this paper, we present a 3D registration method with maximal cliques (MAC). The key insight is to…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Xiyu Zhang , Jiaqi Yang , Shikun Zhang , Yanning Zhang

Meshes are ubiquitous in visual computing and simulation, yet most existing machine learning techniques represent meshes only indirectly, e.g. as the level set of a scalar field or deformation of a template, or as a disordered triangle soup…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Tianchang Shen , Zhaoshuo Li , Marc Law , Matan Atzmon , Sanja Fidler , James Lucas , Jun Gao , Nicholas Sharp

Volume approximation is an important problem found in many applications of computer graphics, vision, and image processing. The problem is about computing an accurate and compact approximate representation of 3D volumes using some simple…

Graphics · Computer Science 2013-08-20 Feng Sun , Yi-King Choi , Yizhou Yu , Wenping Wang

Open-vocabulary 3D instance segmentation is cutting-edge for its ability to segment 3D instances without predefined categories. However, progress in 3D lags behind its 2D counterpart due to limited annotated 3D data. To address this, recent…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Mi Yan , Jiazhao Zhang , Yan Zhu , He Wang

Point clouds have become an increasingly important representation for 3D medical imaging, offering a compact, surface-preserving alternative to traditional voxel or mesh-based approaches. Recent advances in deep learning have enabled rapid…

Image and Video Processing · Electrical Eng. & Systems 2026-02-04 Tongxu Zhang , Zhiming Liang , Bei Wang

Recent years have witnessed significant progress in 3D hand mesh recovery. Nevertheless, because of the intrinsic 2D-to-3D ambiguity, recovering camera-space 3D information from a single RGB image remains challenging. To tackle this…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Xingyu Chen , Yufeng Liu , Chongyang Ma , Jianlong Chang , Huayan Wang , Tian Chen , Xiaoyan Guo , Pengfei Wan , Wen Zheng

Nonlinear registration of 2D histological sections with corresponding slices of MRI data is a critical step of 3D histology reconstruction. This task is difficult due to the large differences in image contrast and resolution, as well as the…

Computer Vision and Pattern Recognition · Computer Science 2018-09-28 Juan Eugenio Iglesias , Marc Modat , Loic Peter , Allison Stevens , Roberto Annunziata , Tom Vercauteren , Ed Lein , Bruce Fischl , Sebastien Ourselin

We propose a novel 3D shape correspondence method based on the iterative alignment of so-called smooth shells. Smooth shells define a series of coarse-to-fine shape approximations designed to work well with multiscale algorithms. The main…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Marvin Eisenberger , Zorah Lähner , Daniel Cremers

Image registration is a fundamental medical image analysis task. Ideally, registration should focus on aligning semantically corresponding voxels, i.e., the same anatomical locations. However, existing methods often optimize similarity…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Lin Tian , Zi Li , Fengze Liu , Xiaoyu Bai , Jia Ge , Le Lu , Marc Niethammer , Xianghua Ye , Ke Yan , Daikai Jin

Head and neck squamous cell carcinoma (HNSCC) has one of the highest rates of recurrence cases among solid malignancies. Recurrence rates can be reduced by improving positive margins localization. Frozen section analysis (FSA) of resected…

Image and Video Processing · Electrical Eng. & Systems 2025-11-03 Qingyun Yang , Fangjie Li , Jiayi Xu , Zixuan Liu , Sindhura Sridhar , Whitney Jin , Jennifer Du , Jon Heiselman , Michael Miga , Michael Topf , Jie Ying Wu

Biological specimens exhibit significant variations in size and shape, challenging autonomous robotic manipulation. We focus on the mouse skull window creation task to illustrate these challenges. The study introduces a microscopic stereo…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Xiaofeng Lin , Saúl Alexis Heredia Pérez , Kanako Harada

We developed a generative patch based 3D image registration model that can register very high resolution images obtained from a biochemical process name tissue clearing. Tissue clearing process removes lipids and fats from the tissue and…

Image and Video Processing · Electrical Eng. & Systems 2025-02-03 Abdullah Naziba , Clinton Fookes , Dimitri Perrin

Rigged 3D assets are fundamental to 3D deformation and animation. However, existing 3D generation methods face challenges in generating animatable geometry, while rigging techniques lack fine-grained structural control over skeleton…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Ruisi Zhao , Haoren Zheng , Zongxin Yang , Hehe Fan , Yi Yang

Image registration is a key technique in medical image analysis to estimate deformations between image pairs. A good deformation model is important for high-quality estimates. However, most existing approaches use ad-hoc deformation models…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Marc Niethammer , Roland Kwitt , Francois-Xavier Vialard

This paper introduces a multimodal elastic registration algorithm applied to match a generic Finite Element model of the face to several patients morphologies. The method is automatic and appears to be accurate and robust. The computing…

Medical Physics · Physics 2007-05-23 Thierry Leloup , Matthieu Chabanas , Yohan Payan