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Digital orthodontics represents a prominent and critical application of computer vision technology in the medical field. So far, the labor-intensive process of collecting clinical data, particularly in acquiring paired 3D orthodontic teeth…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Changsong Lei , Yaqian Liang , Shaofeng Wang , Jiajia Dai , Yong-Jin Liu

Robotic-assisted surgery allows surgeons to conduct precise surgical operations with stereo vision and flexible motor control. However, the lack of 3D spatial perception limits situational awareness during procedures and hinders mastering…

Image and Video Processing · Electrical Eng. & Systems 2022-03-07 Shang Zhao , Ce Wang , Qiyuan Wang , Yanzhe Liu , S Kevin Zhou

We present ToothCraft, a diffusion-based model for the contextual generation of tooth crowns, trained on artificially created incomplete teeth. Building upon recent advancements in conditioned diffusion models for 3D shapes, we developed a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Dávid Pukanec , Tibor Kubík , Michal Španěl

Cascaded regression has been recently applied to reconstructing 3D faces from single 2D images directly in shape space, and achieved state-of-the-art performance. This paper investigates thoroughly such cascaded regression based 3D face…

Computer Vision and Pattern Recognition · Computer Science 2017-04-19 Feng Liu , Dan Zeng , Jing Li , Qijun Zhao

Automatic motion compensation and adjustment of an intraoperative imaging modality's field of view is a common problem during interventions. Optical coherence tomography (OCT) is an imaging modality which is used in interventions due to its…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Nils Gessert , Martin Gromniak , Matthias Schlüter , Alexander Schlaefer

Estimating the 3D structure of the drivable surface and surrounding environment is a crucial task for assisted and autonomous driving. It is commonly solved either by using 3D sensors such as LiDAR or directly predicting the depth of points…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Haobo Yuan , Teng Chen , Wei Sui , Jiafeng Xie , Lefei Zhang , Yuan Li , Qian Zhang

Convolutional neural networks (CNNs) are used in many areas of computer vision, such as object tracking and recognition, security, military, and biomedical image analysis. This review presents the application of convolutional neural…

This paper presents a new approach for 3D shape generation, inversion, and manipulation, through a direct generative modeling on a continuous implicit representation in wavelet domain. Specifically, we propose a compact wavelet…

Computer Vision and Pattern Recognition · Computer Science 2023-02-02 Jingyu Hu , Ka-Hei Hui , Zhengzhe Liu , Ruihui Li , Chi-Wing Fu

This paper presents a new approach for 3D shape generation, enabling direct generative modeling on a continuous implicit representation in wavelet domain. Specifically, we propose a compact wavelet representation with a pair of coarse and…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Ka-Hei Hui , Ruihui Li , Jingyu Hu , Chi-Wing Fu

Occlusions are a common occurrence in unconstrained face images. Single image 3D reconstruction from such face images often suffers from corruption due to the presence of occlusions. Furthermore, while a plurality of 3D reconstructions is…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Rahul Dey , Vishnu Naresh Boddeti

Several variants of Neural Radiance Fields (NeRFs) have significantly improved the accuracy of synthesized images and surface reconstruction of 3D scenes/objects. In all of these methods, a key characteristic is that none can train the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Gonçalo Dias Pais , Valter Piedade , Moitreya Chatterjee , Marcus Greiff , Pedro Miraldo

In this work we target a learnable output representation that allows continuous, high resolution outputs of arbitrary shape. Recent works represent 3D surfaces implicitly with a Neural Network, thereby breaking previous barriers in…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Julian Chibane , Aymen Mir , Gerard Pons-Moll

The remarkable achievements of both generative models of 2D images and neural field representations for 3D scenes present a compelling opportunity to integrate the strengths of both approaches. In this work, we propose a methodology that…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Azmi Haider , Dan Rosenbaum

Diagnosing dental diseases from radiographs is time-consuming and challenging due to the subtle nature of diagnostic evidence. Existing methods, which rely on object detection models designed for natural images with more distinct target…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Zhi Qin Tan , Xiatian Zhu , Owen Addison , Yunpeng Li

We introduce DeepJoin, an automated approach to generate high-resolution repairs for fractured shapes using deep neural networks. Existing approaches to perform automated shape repair operate exclusively on symmetric objects, require a…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 Nikolas Lamb , Sean Banerjee , Natasha Kholgade Banerjee

Accurate 3D representations of cardiac structures allow quantitative analysis of anatomy and function. In this work, we propose a method for reconstructing complete 3D cardiac shapes from segmentations of sparse planes in CT angiography…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Gino E. Jansen , Carolina Brás , R. Nils Planken , Mark J. Schuuring , Berto J. Bouma , Ivana Išgum

We present Implicit-Scale 3D Reconstruction from Monocular Multi-Food Images, a benchmark dataset designed to advance geometry-based food portion estimation in realistic dining scenarios. Existing dietary assessment methods largely rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Yuhao Chen , Gautham Vinod , Siddeshwar Raghavan , Talha Ibn Mahmud , Bruce Coburn , Jinge Ma , Fengqing Zhu , Jiangpeng He

We present RibPull, a methodology that utilizes implicit occupancy fields to bridge computational geometry and medical imaging. Implicit 3D representations use continuous functions that handle sparse and noisy data more effectively than…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Emmanouil Nikolakakis , Amine Ouasfi , Julie Digne , Razvan Marinescu

Freehand 3D ultrasound enables volumetric imaging by tracking a conventional ultrasound probe during freehand scanning, offering enriched spatial information that improves clinical diagnosis. However, the quality of reconstructed volumes is…

Image and Video Processing · Electrical Eng. & Systems 2025-03-11 Sheng Song , Yiting Chen , Duo Xu , Songhan Ge , Yunqian Huang , Junni Shi , Man Chen , Hongbo Chen , Rui Zheng

Three-dimensional (3D) X-ray imaging techniques like tomography and confocal microscopy are crucial for academic and industrial applications. These approaches access 3D information by scanning the sample with respect to the X-ray source.…

Image and Video Processing · Electrical Eng. & Systems 2022-03-03 Yuhe Zhang , Zisheng Yao , Tobias Ritschel , Pablo Villanueva-Perez