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Fringe projection profilometry (FPP) is one of the most popular three-dimensional (3D) shape measurement techniques, and has becoming more prevalently adopted in intelligent manufacturing, defect detection and some other important…

Image and Video Processing · Electrical Eng. & Systems 2020-04-24 Jiaming Qian , Shijie Feng , Tianyang Tao , Yan Hu , Yixuan Li , Qian Chen , Chao Zuo

Low-level 3D representations, such as point clouds, meshes, NeRFs and 3D Gaussians, are commonly used for modeling 3D objects and scenes. However, cognitive studies indicate that human perception operates at higher levels and interprets 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Zhirui Gao , Renjiao Yi , Yuhang Huang , Wei Chen , Chenyang Zhu , Kai Xu

Constructing 3D structures from serial section data is a long standing problem in microscopy. The structure of a fiber reinforced composite material can be reconstructed using a tracking-by-detection model. Tracking-by-detection algorithms…

Computer Vision and Pattern Recognition · Computer Science 2018-05-28 Hongkai Yu , Dazhou Guo , Zhipeng Yan , Wei Liu , Jeff Simmons , Craig P. Przybyla , Song Wang

This work presents a novel self-supervised representation learning method to learn efficient representations without labels on images from a 3DPM sensor (3-Dimensional Particle Measurement; estimates the particle size distribution of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Prakash Chandra Chhipa , Richa Upadhyay , Rajkumar Saini , Lars Lindqvist , Richard Nordenskjold , Seiichi Uchida , Marcus Liwicki

Accurate segmentation of nodules in both 2D breast ultrasound (BUS) and 3D automated breast ultrasound (ABUS) is crucial for clinical diagnosis and treatment planning. Therefore, developing an automated system for nodule segmentation can…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Yuhao Huang , Ao Chang , Haoran Dou , Xing Tao , Xinrui Zhou , Yan Cao , Ruobing Huang , Alejandro F Frangi , Lingyun Bao , Xin Yang , Dong Ni

The performance of existing point cloud-based 3D object detection methods heavily relies on large-scale high-quality 3D annotations. However, such annotations are often tedious and expensive to collect. Semi-supervised learning is a good…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Na Zhao , Tat-Seng Chua , Gim Hee Lee

Data-driven fault detection has been regarded as a 3D image segmentation task. The models trained from synthetic data are difficult to generalize in some surveys. Recently, training 3D fault segmentation using sparse manual 2D slices is…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Yimin Dou , Kewen Li , Jianbing Zhu , Timing Li , Shaoquan Tan , Zongchao Huang

Accurate 3D shape representation is essential in engineering applications such as design, optimization, and simulation. In practice, engineering workflows require structured, part-based representations, as objects are inherently designed as…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Nicolas Talabot , Olivier Clerc , Arda Cinar Demirtas , Alexis Goujon , Hieu Le , Doruk Oner , Pascal Fua

Confidence-based pseudo-label selection usually generates overly confident yet incorrect predictions, due to the early misleadingness of model and overfitting inaccurate pseudo-labels in the learning process, which heavily degrades the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Peng Zhang , Zhihui Lai , Heng Kong

Non-destructive testing is an important technique for detecting defects in multi-layer materials, enabling the evaluation of structural integrity without causing damage on test materials. Terahertz time-domain spectroscopy (THz-TDS) offers…

Signal Processing · Electrical Eng. & Systems 2025-02-10 Dogus Can Sevdiren , Furkan H. Ilgac , Aydin Sezgin

Accurate segmentation of cervical structures in transvaginal ultrasound (TVS) is critical for assessing the risk of spontaneous preterm birth (PTB), yet the scarcity of labeled data limits the performance of supervised learning approaches.…

Depth completion is an important vision task, and many efforts have been made to enhance the quality of depth maps from sparse depth measurements. Despite significant advances, training these models to recover dense depth from sparse…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Rizhao Fan , Zhigen Li , Heping Li , Ning An

Automatic medical image segmentation plays a crucial role in computer aided diagnosis. However, fully supervised learning approaches often require extensive and labor-intensive annotation efforts. To address this challenge, weakly…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Lei Shi , Xi Fang , Naiyu Wang , Junxing Zhang

We propose an approach for 3D reconstruction and segmentation of a single object placed on a flat surface from an input video. Our approach is to perform dense depth map estimation for multiple views using a proposed objective function that…

Computer Vision and Pattern Recognition · Computer Science 2016-07-29 Tanmay Gupta , Daeyun Shin , Naren Sivagnanadasan , Derek Hoiem

Limitations on bandwidth and power consumption impose strict bounds on data rates of diagnostic imaging systems. Consequently, the design of suitable (i.e. task- and data-aware) compression and reconstruction techniques has attracted…

Image and Video Processing · Electrical Eng. & Systems 2021-01-26 Iris A. M. Huijben , Bastiaan S. Veeling , Kees Janse , Massimo Mischi , Ruud J. G. van Sloun

3D weakly supervised semantic segmentation (3D WSSS) aims to achieve semantic segmentation by leveraging sparse or low-cost annotated data, significantly reducing reliance on dense point-wise annotations. Previous works mainly employ class…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Xiaoxu Xu , Xuexun Liu , Jinlong Li , Yitian Yuan , Qiudan Zhang , Lin Ma , Nicu Sebe , Xu Wang

Automated 3-D breast ultrasound (ABUS) is a newfound system for breast screening that has been proposed as a supplementary modality to mammography for breast cancer detection. While ABUS has better performance in dense breasts, reading ABUS…

Image and Video Processing · Electrical Eng. & Systems 2021-09-30 Hamed Fayyaz , Ehsan Kozegar , Tao Tan , Mohsen Soryani

Deep convolutional neural networks are widely used in medical image segmentation but require many labeled images for training. Annotating three-dimensional medical images is a time-consuming and costly process. To overcome this limitation,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Weiyi Xie , Nathalie Willems , Nikolas Lessmann , Tom Gibbons , Daniele De Massari

3D segmentation is a core problem in computer vision and, similarly to many other dense prediction tasks, it requires large amounts of annotated data for adequate training. However, densely labeling 3D point clouds to employ…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Ozan Unal , Christos Sakaridis , Luc Van Gool

Defect engineering has been profoundly employed to confer desirable functionality to materials that pristine lattices inherently lack. Although single atomic-resolution scanning transmission electron microscopy (STEM) images are widely…