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Recent research on texture synthesis for 3D shapes benefits a lot from dramatically developed 2D text-to-image diffusion models, including inpainting-based and optimization-based approaches. However, these methods ignore the modal gap…

计算机视觉与模式识别 · 计算机科学 2024-08-16 Shang Liu , Chaohui Yu , Chenjie Cao , Wen Qian , Fan Wang

Modeling the absorbed dose during X-ray imaging is essential for optimizing radiation exposure. Monte Carlo simulations (MCS) are the gold standard for precise 3D dose estimation but require significant computation time. Deep learning…

医学物理 · 物理学 2025-02-14 Maxime Rousselot , Jing Zhang , Didier Benoit , Chi-Hieu Pham , Julien Bert

Registration is a fundamental task in medical robotics and is often a crucial step for many downstream tasks such as motion analysis, intra-operative tracking and image segmentation. Popular registration methods such as ANTs and NiftyReg…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Wentao Zhu , Yufang Huang , Daguang Xu , Zhen Qian , Wei Fan , Xiaohui Xie

A cross-benchmark has been done on three critical aspects, data imputing, feature selection and regression algorithms, for machine learning based chemical vapor deposition (CVD) virtual metrology (VM). The result reveals that linear feature…

机器学习 · 计算机科学 2021-07-29 Yunsong Xie , Ryan Stearrett

Additive manufacturing (AM), particularly 3D printing, has revolutionized the production of complex structures across various industries. However, ensuring quality and detecting defects in 3D-printed objects remain significant challenges.…

图像与视频处理 · 电气工程与系统科学 2024-04-29 Md Manjurul Ahsan , Shivakumar Raman , Zahed Siddique

While Marching Cubes (MC) and Marching Tetrahedra (MTet) are widely adopted in 3D reconstruction pipelines due to their simplicity and efficiency, their differentiable variants remain suboptimal for mesh extraction. This often limits the…

计算几何 · 计算机科学 2026-01-21 Wylliam Cantin Charawi , Adrien Gruson , Jane Wu , Christian Desrosiers , Diego Thomas

One of the main concerns in design and process planning for multi-axis additive and subtractive manufacturing is collision avoidance between moving objects (e.g., tool assemblies) and stationary objects (e.g., a part unified with fixtures).…

图形学 · 计算机科学 2024-09-06 George P. Harabin , Amir Mirzendehdel , Morad Behandish

Camera and LiDAR sensor modalities provide complementary appearance and geometric information useful for detecting 3D objects for autonomous vehicle applications. However, current end-to-end fusion methods are challenging to train and…

计算机视觉与模式识别 · 计算机科学 2022-10-28 Anas Mahmoud , Jordan S. K. Hu , Steven L. Waslander

3D convolutional neural networks (3D-CNN) have been used for object recognition based on the voxelized shape of an object. In this paper, we present a 3D-CNN based method to learn distinct local geometric features of interest within an…

计算机视觉与模式识别 · 计算机科学 2017-07-18 Aditya Balu , Sambit Ghadai , Kin Gwn Lore , Gavin Young , Adarsh Krishnamurthy , Soumik Sarkar

Industrial X-ray computed tomography (XCT) is a powerful tool for non-destructive characterization of materials and manufactured components. XCT commonly accompanied by advanced image analysis and computer vision algorithms to extract…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Anika Tabassum , Amirkoushyar Ziabari

Deep learning-based methods achieved impressive results for the segmentation of medical images. With the development of 3D fully convolutional networks (FCNs), it has become feasible to produce improved results for multi-organ segmentation…

计算机视觉与模式识别 · 计算机科学 2018-01-19 Chen Shen , Holger R. Roth , Hirohisa Oda , Masahiro Oda , Yuichiro Hayashi , Kazunari Misawa , Kensaku Mori

Deep learning and the collocation method are merged and used to solve partial differential equations describing structures' deformation. We have considered different types of materials: linear elasticity, hyperelasticity (neo-Hookean) with…

机器学习 · 计算机科学 2021-11-24 Diab W. Abueidda , Qiyue Lu , Seid Koric

We present a 3D modeling method which enables end-users to refine or detailize 3D shapes using machine learning, expanding the capabilities of AI-assisted 3D content creation. Given a coarse voxel shape (e.g., one produced with a simple box…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Qimin Chen , Zhiqin Chen , Vladimir G. Kim , Noam Aigerman , Hao Zhang , Siddhartha Chaudhuri

We present a novel method for characterizing the microstructure of a material from volumetric datasets such as 3D image data from computed tomography (CT). The method is based on a new statistical model for the distribution of voxel…

材料科学 · 物理学 2021-01-06 Elise Otterlei Brenne , Vedrana Andersen Dahl , Peter Stanley Jørgensen

Automatic continuous time, continuous value assessment of a patient's pain from face video is highly sought after by the medical profession. Despite the recent advances in deep learning that attain impressive results in many domains, pain…

计算机视觉与模式识别 · 计算机科学 2017-01-18 Joy Egede , Michel Valstar , Brais Martinez

Additive Manufacturing (AM) is transforming the manufacturing sector by enabling efficient production of intricately designed products and small-batch components. However, metal parts produced via AM can include flaws that cause inferior…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Duy Nhat Phan , Sushant Jha , James P. Mavo , Erin L. Lanigan , Linh Nguyen , Lokendra Poudel , Rahul Bhowmik

Shape deviation modeling and compensation in additive manufacturing are pivotal for achieving high geometric accuracy and enabling industrial-scale production. Critical challenges persist, including generalizability across complex…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Juheon Lee , Lei , Chen , Juan Carlos Catana , Hui Wang , Jun Zeng

Cone-beam X-ray Computed Tomography (XCT) with large detectors and corresponding large-scale 3D reconstruction plays a pivotal role in micron-scale characterization of materials and parts across various industries. In this work, we present…

计算机视觉与模式识别 · 计算机科学 2025-01-27 Aniket Pramanik , Obaidullah Rahman , Singanallur V. Venkatakrishnan , Amirkoushyar Ziabari

Multi-directional 3D printing has the capability of decreasing or eliminating the need for support structures. Recent work proposed a beam-guided search algorithm to find an optimized sequence of plane-clipping, which gives volume…

图形学 · 计算机科学 2020-07-21 Chenming Wu , Yong-Jin Liu , Charlie C. L. Wang

In this work, we propose a deep learning approach to improve docking-based virtual screening. The introduced deep neural network, DeepVS, uses the output of a docking program and learns how to extract relevant features from basic data such…

定量方法 · 定量生物学 2016-11-22 Janaina Cruz Pereira , Ernesto Raul Caffarena , Cicero dos Santos