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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…

计算机视觉与模式识别 · 计算机科学 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…

图像与视频处理 · 电气工程与系统科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

图像与视频处理 · 电气工程与系统科学 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.…

图像与视频处理 · 电气工程与系统科学 2022-03-03 Yuhe Zhang , Zisheng Yao , Tobias Ritschel , Pablo Villanueva-Perez