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Related papers: PartSTAD: 2D-to-3D Part Segmentation Task Adaptati…

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3D object part segmentation is essential in computer vision applications. While substantial progress has been made in 2D object part segmentation, the 3D counterpart has received less attention, in part due to the scarcity of annotated 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Anh Thai , Weiyao Wang , Hao Tang , Stefan Stojanov , Matt Feiszli , James M. Rehg

Accurate representation of tooth position is extremely important in treatment. 3D dental image segmentation is a widely used method, however labelled 3D dental datasets are a scarce resource, leading to the problem of small samples that…

Image and Video Processing · Electrical Eng. & Systems 2024-02-29 Yifu Zhang , Zuozhu Liu , Yang Feng , Renjing Xu

We introduce SAM3D, a new approach to semi-automatic zero-shot segmentation of 3D images building on the existing Segment Anything Model. We achieve fast and accurate segmentations in 3D images with a four-step strategy involving: user…

Image and Video Processing · Electrical Eng. & Systems 2024-08-09 Trevor J. Chan , Aarush Sahni , Yijin Fang , Jie Li , Alisha Luthra , Alison Pouch , Chamith S. Rajapakse

Multi-modal 3D semantic segmentation is vital for applications such as autonomous driving and virtual reality (VR). To effectively deploy these models in real-world scenarios, it is essential to employ cross-domain adaptation techniques…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Mingyu Yang , Jitong Lu , Hun-Seok Kim

Recently, progress in acquisition equipment such as LiDAR sensors has enabled sensing increasingly spacious outdoor 3D environments. Making sense of such 3D acquisitions requires fine-grained scene understanding, such as constructing…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Cedric Perauer , Laurenz Adrian Heidrich , Haifan Zhang , Matthias Nießner , Anastasiia Kornilova , Alexey Artemov

Segmenting 3D objects into parts is a long-standing challenge in computer vision. To overcome taxonomy constraints and generalize to unseen 3D objects, recent works turn to open-world part segmentation. These approaches typically transfer…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Zhe Zhu , Le Wan , Rui Xu , Yiheng Zhang , Honghua Chen , Zhiyang Dou , Cheng Lin , Yuan Liu , Mingqiang Wei

LIDAR semantic segmentation, which assigns a semantic label to each 3D point measured by the LIDAR, is becoming an essential task for many robotic applications such as autonomous driving. Fast and efficient semantic segmentation methods are…

Computer Vision and Pattern Recognition · Computer Science 2021-04-28 Iñigo Alonso , Luis Riazuelo , Luis Montesano , Ana C. Murillo

3D teeth segmentation, involving the localization of tooth instances and their semantic categorization in 3D dental models, is a critical yet challenging task in digital dentistry due to the complexity of real-world dentition. In this…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Zhiguo Lu , Jianwen Lou , Mingjun Ma , Hairong Jin , Youyi Zheng , Kun Zhou

Recognizing 3D part instances from a 3D point cloud is crucial for 3D structure and scene understanding. Several learning-based approaches use semantic segmentation and instance center prediction as training tasks and fail to further…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Chunyu Sun , Xin Tong , Yang Liu

Semantic segmentation of multichannel images is a fundamental task for many applications. Selecting an appropriate channel combination from the original multichannel image can improve the accuracy of semantic segmentation and reduce the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Yuanzhi Cai , Jagannath Aryal , Yuan Fang , Hong Huang , Lei Fan

Precision medicine, such as patient-adaptive treatments assisted by medical image analysis, poses new challenges for segmentation algorithms in adapting to new patients, due to the large variability across different patients and the limited…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Chenhui Zhao , Liyue Shen

Segment anything model (SAM) demonstrates strong generalization ability on natural image segmentation. However, its direct adaptation in medical image segmentation tasks shows significant performance drops. It also requires an excessive…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Heng Guo , Jianfeng Zhang , Jiaxing Huang , Tony C. W. Mok , Dazhou Guo , Ke Yan , Le Lu , Dakai Jin , Minfeng Xu

Parameter-efficient fine-tuning (PEFT) of pre-trained 3D point cloud Transformers has emerged as a promising technique for 3D point cloud analysis. While existing PEFT methods attempt to minimize the number of tunable parameters, they often…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Takahiko Furuya

3D semantic segmentation is a fundamental building block for several scene understanding applications such as autonomous driving, robotics and AR/VR. Several state-of-the-art semantic segmentation models suffer from the part…

Computer Vision and Pattern Recognition · Computer Science 2021-11-17 Anirud Thyagharajan , Benjamin Ummenhofer , Prashant Laddha , Om J Omer , Sreenivas Subramoney

3D semantic segmentation is a critical task in many real-world applications, such as autonomous driving, robotics, and mixed reality. However, the task is extremely challenging due to ambiguities coming from the unstructured, sparse, and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Adriano Cardace , Pierluigi Zama Ramirez , Samuele Salti , Luigi Di Stefano

Medical image segmentation plays a pivotal role in clinical diagnostics and treatment planning, yet existing models often face challenges in generalization and in handling both 2D and 3D data uniformly. In this paper, we introduce Medical…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Jiayuan Zhu , Abdullah Hamdi , Yunli Qi , Yueming Jin , Junde Wu

It has been shown that traditional deep learning methods for electronic microscopy segmentation usually suffer from low transferability when samples and annotations are limited, while large-scale vision foundation models are more robust…

Image and Video Processing · Electrical Eng. & Systems 2024-03-14 Yiran Wang , Li Xiao

Segmenting 3D assets into their constituent parts is crucial for enhancing 3D understanding, facilitating model reuse, and supporting various applications such as part generation. However, current methods face limitations such as poor…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Changfeng Ma , Yang Li , Xinhao Yan , Jiachen Xu , Yunhan Yang , Chunshi Wang , Zibo Zhao , Yanwen Guo , Zhuo Chen , Chunchao Guo

Test-Time Training (TTT) proposes to adapt a pre-trained network to changing data distributions on-the-fly. In this work, we propose the first TTT method for 3D semantic segmentation, TTT-KD, which models Knowledge Distillation (KD) from…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Lisa Weijler , Muhammad Jehanzeb Mirza , Leon Sick , Can Ekkazan , Pedro Hermosilla

Accurate segmentation of 3D medical images is critical for clinical applications like disease assessment and treatment planning. While the Segment Anything Model 2 (SAM2) has shown remarkable success in video object segmentation by…

Image and Video Processing · Electrical Eng. & Systems 2025-10-13 Yeqing Yang , Le Xu , Lixia Tian