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Recent advances in deep learning have significantly transformed the field of 3D shape generation, enabling the synthesis of complex, diverse, and semantically meaningful 3D objects. This survey provides a comprehensive overview of the…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Nicolas Caytuiro , Ivan Sipiran

A structured understanding of intraoral 3D scans is essential for digital orthodontics. However, existing deep-learning approaches rely heavily on modality-specific training, large annotated datasets, and controlled scanning conditions,…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Bohan Zhang , Yiyi Miao , Taoyu Wu , Tong Chen , Ji Jiang , Zhuoxiao Li , Zhe Tang , Limin Yu , Jionglong Su

Objectives: This research introduces a novel area-preserving Generative Adversarial Networks (GAN) inversion technique for effectively de-identifying dental patient images. This innovative method addresses privacy concerns while preserving…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Mingchuan Tian , Wilson Weixun Lu , Kelvin Weng Chiong Foong , Eugene Loh

Digital crown design remains a labor-intensive bottleneck in restorative dentistry. We present CrownGen, a generative framework that automates patient-customized crown design using a denoising diffusion model on a novel tooth-level point…

计算机视觉与模式识别 · 计算机科学 2026-01-05 Juyoung Bae , Moo Hyun Son , Jiale Peng , Wanting Qu , Wener Chen , Zelin Qiu , Kaixin Li , Xiaojuan Chen , Yifan Lin , Hao Chen

Talking head generation is a significant research topic that still faces numerous challenges. Previous works often adopt generative adversarial networks or regression models, which are plagued by generation quality and average facial shape…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Ziyu Yao , Xuxin Cheng , Zhiqi Huang

The creation of manufacturable and editable 3D shapes through Computer-Aided Design (CAD) remains a highly manual and time-consuming task, hampered by the complex topology of boundary representations of 3D solids and unintuitive design…

计算机视觉与模式识别 · 计算机科学 2025-04-10 Md Ferdous Alam , Faez Ahmed

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

Learning powerful deep generative models for 3D shape synthesis is largely hindered by the difficulty in ensuring plausibility encompassing correct topology and reasonable geometry. Indeed, learning the distribution of plausible 3D shapes…

计算机视觉与模式识别 · 计算机科学 2020-01-28 Jun Li , Chengjie Niu , Kai Xu

Intraoral 3D scanning is now widely adopted in modern dentistry and plays a central role in supporting key tasks such as tooth segmentation, detection, labeling, and dental landmark identification. Accurate analysis of these scans is…

计算机视觉与模式识别 · 计算机科学 2026-01-07 Achraf Ben-Hamadou , Nour Neifar , Ahmed Rekik , Oussama Smaoui , Firas Bouzguenda , Sergi Pujades , Edmond Boyer , Edouard Ladroit

The advent of large language models, enabling flexibility through instruction-driven approaches, has revolutionized many traditional generative tasks, but large models for 3D data, particularly in comprehensively handling 3D shapes with…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Fukun Yin , Xin Chen , Chi Zhang , Biao Jiang , Zibo Zhao , Jiayuan Fan , Gang Yu , Taihao Li , Tao Chen

This paper introduces a 3D shape generative model based on deep neural networks. A new image-like (i.e., tensor) data representation for genus-zero 3D shapes is devised. It is based on the observation that complicated shapes can be well…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Heli Ben-Hamu , Haggai Maron , Itay Kezurer , Gal Avineri , Yaron Lipman

Surgical planning and training based on machine learning requires a large amount of 3D anatomical models reconstructed from medical imaging, which is currently one of the major bottlenecks. Obtaining these data from real patients and during…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Ann-Sophia Müller , Moonkwang Jeong , Meng Zhang , Jiyuan Tian , Arkadiusz Miernik , Stefanie Speidel , Tian Qiu

Computer vision has advanced significantly that many discriminative approaches such as object recognition are now widely used in real applications. We present another exciting development that utilizes generative models for the mass…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Jyh-Jing Hwang , Sergei Azernikov , Alexei A. Efros , Stella X. Yu

This paper presents the development of a generative adversarial network (GAN) for synthesizing dental panoramic radiographs. Although exploratory in nature, the study aims to address the scarcity of data in dental research and education. We…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Soren Pedersen , Sanyam Jain , Mikkel Chavez , Viktor Ladehoff , Bruna Neves de Freitas , Ruben Pauwels

Recently, deep learning-based tooth segmentation methods have been limited by the expensive and time-consuming processes of data collection and labeling. Achieving high-precision segmentation with limited datasets is critical. A viable…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Yuan Li , Huan Liu , Yubo Tao , Xiangyang He , Haifeng Li , Xiaohu Guo , Hai Lin

Talking Head Generation (THG) has emerged as a transformative technology in computer vision, enabling the synthesis of realistic human faces synchronized with image, audio, text, or video inputs. This paper provides a comprehensive review…

计算机视觉与模式识别 · 计算机科学 2026-01-22 Vineet Kumar Rakesh , Soumya Mazumdar , Research Pratim Maity , Sarbajit Pal , Amitabha Das , Tapas Samanta

Precise segmentation of teeth from intra-oral scanner images is an essential task in computer-aided orthodontic surgical planning. The state-of-the-art deep learning-based methods often simply concatenate the raw geometric attributes (i.e.,…

图像与视频处理 · 电气工程与系统科学 2022-04-20 Yue Zhao , Lingming Zhang , Yang Liu , Deyu Meng , Zhiming Cui , Chenqiang Gao , Xinbo Gao , Chunfeng Lian , Dinggang Shen

Tooth segmentation is a critical technology in the field of medical image segmentation, with applications ranging from orthodontic treatment to human body identification and dental pathology assessment. Despite the development of numerous…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Dongping Zhang , Zheng Li , Fangao Zeng , Yutong Wei

Orthodontic treatment hinges on tooth alignment, which significantly affects occlusal function, facial aesthetics, and patients' quality of life. Current deep learning approaches predominantly concentrate on predicting transformation…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Yunbi Liu , Enqi Tang , Shiyu Li , Lei Ma , Juncheng Li , Shu Lou , Yongchu Pan , Qingshan Liu

The automatic design of a 3D tooth model plays a crucial role in dental digitization. However, current approaches face challenges in compositional 3D tooth generation because both the layouts and shapes of missing teeth need to be…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Yan Tian , Pengcheng Xue , Weiping Ding , Mahmoud Hassaballah , Karen Egiazarian , Aura Conci , Abdulkadir Sengur , Leszek Rutkowski