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Cephalometric landmark detection is essential for orthodontic diagnostics and treatment planning. Nevertheless, the scarcity of samples in data collection and the extensive effort required for manual annotation have significantly impeded…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Dongqian Guo , Wencheng Han , Pang Lyu , Yuxi Zhou , Jianbing Shen

Recent methods for audio-driven talking head synthesis often optimize neural radiance fields (NeRF) on a monocular talking portrait video, leveraging its capability to render high-fidelity and 3D-consistent novel-view frames. However, they…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Jaehoon Ko , Kyusun Cho , Joungbin Lee , Heeji Yoon , Sangmin Lee , Sangjun Ahn , Seungryong Kim

The recent advances in text and image synthesis show a great promise for the future of generative models in creative fields. However, a less explored area is the one of 3D model generation, with a lot of potential applications to game…

Computer Vision and Pattern Recognition · Computer Science 2023-12-14 Antoine Schnepf , Flavian Vasile , Ugo Tanielian

Artificial intelligence (AI) has become a commodity for people because of the advent of generative AI (GenAI) models that bridge the usability gap of AI by providing a natural language interface to interact with complex models. These GenAI…

Computation and Language · Computer Science 2025-09-30 Fabián Villena , Claudia Véliz , Rosario García-Huidobro , Sebastián Aguayo

Tooth image segmentation is a cornerstone of dental digitization. However, traditional image encoders relying on fixed-resolution feature maps often lead to discontinuous segmentation and poor discrimination between target regions and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Xinxin Zhao , Jian Jiang , Yan Tian , Liqin Wu , Zhaocheng Xu , Teddy Yang , Yunuo Zou , Xun Wang

A critical step in virtual dental treatment planning is to accurately delineate all tooth-bone structures from CBCT with high fidelity and accurate anatomical information. Previous studies have established several methods for CBCT…

3D shape generation aims to produce innovative 3D content adhering to specific conditions and constraints. Existing methods often decompose 3D shapes into a sequence of localized components, treating each element in isolation without…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Ruikai Cui , Weizhe Liu , Weixuan Sun , Senbo Wang , Taizhang Shang , Yang Li , Xibin Song , Han Yan , Zhennan Wu , Shenzhou Chen , Hongdong Li , Pan Ji

Point cloud completion estimates complete shapes from incomplete point clouds to obtain higher-quality point cloud data. Most existing methods only consider global object features, ignoring spatial and semantic information of adjacent…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Pengcheng Shi , Haozhe Cheng , Xu Han , Yiyang Zhou , Jihua Zhu

Automatic tooth instance segmentation on 3D dental models is a fundamental task for computer-aided orthodontic treatments. Existing learning-based methods rely heavily on expensive point-wise annotations. To alleviate this problem, we are…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Liangdong Qiu , Chongjie Ye , Pei Chen , Yunbi Liu , Xiaoguang Han , Shuguang Cui

Cone beam computed tomography (CBCT) is a common way of diagnosing dental related diseases. Accurate segmentation of 3D tooth is of importance for the treatment. Although deep learning based methods have achieved convincing results in…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Chunshi Wang , Bin Zhao , Shuxue Ding

Optical Intraoral Scanners (IOS) are widely used in digital dentistry to provide detailed 3D information of dental crowns and the gingiva. Accurate 3D tooth segmentation in IOSs is critical for various dental applications, while previous…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Huimin Xiong , Kunle Li , Kaiyuan Tan , Yang Feng , Joey Tianyi Zhou , Jin Hao , Haochao Ying , Jian Wu , Zuozhu Liu

We present ShapeCrafter, a neural network for recursive text-conditioned 3D shape generation. Existing methods to generate text-conditioned 3D shapes consume an entire text prompt to generate a 3D shape in a single step. However, humans…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Rao Fu , Xiao Zhan , Yiwen Chen , Daniel Ritchie , Srinath Sridhar

Despite the availability of large-scale 3D datasets and advancements in 3D generative models, the complexity and uneven quality of 3D geometry and texture data continue to hinder the performance of 3D generation techniques. In most existing…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Xin Yang , Jiantao Lin , Yingjie Xu , Haodong Li , Yingcong Chen

Most existing text-to-image generation methods adopt a multi-stage modular architecture which has three significant problems: 1) Training multiple networks increases the run time and affects the convergence and stability of the generative…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Zhenxing Zhang , Lambert Schomaker

The planning of digital orthodontic treatment requires providing tooth alignment, which not only consumes a lot of time and labor to determine manually but also relays clinical experiences heavily. In this work, we proposed a lightweight…

Computer Vision and Pattern Recognition · Computer Science 2024-11-13 ZhenXing Dong , JiaZhou Chen , YangHui Xu

The field of dentistry is in the era of digital transformation. Particularly, artificial intelligence is anticipated to play a significant role in digital dentistry. AI holds the potential to significantly assist dental practitioners and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Kyoungyeon Choi , Jaewon Shin , Eunyi Lyou

Given large amount of real photos for training, Convolutional neural network shows excellent performance on object recognition tasks. However, the process of collecting data is so tedious and the background are also limited which makes it…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Yida Wang , Weihong Deng

3D Morphable models of the human body capture variations among subjects and are useful in reconstruction and editing applications. Current dental models use an explicit mesh scene representation and model only the teeth, ignoring the gum.…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Congyi Zhang , Mohamed Elgharib , Gereon Fox , Min Gu , Christian Theobalt , Wenping Wang

Generative Adversarial Networks (GANs) have gained significant attention in several computer vision tasks for generating high-quality synthetic data. Various medical applications including diagnostic imaging and radiation therapy can…

Image and Video Processing · Electrical Eng. & Systems 2022-07-25 Sanaz Mohammadjafari , Mucahit Cevik , Ayse Basar

Dental template and parametric dental models are important tools for various applications in digital dentistry. However, constructing an unbiased dental template and accurate parametric dental models remains a challenging task due to the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Lei Ma , Jingyang Zhang , Ke Deng , Peng Xue , Zhiming Cui , Yu Fang , Minhui Tang , Yue Zhao , Min Zhu , Zhongxiang Ding , Dinggang Shen