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Related papers: 3D Probabilistic Segmentation and Volumetry from 2…

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We present DiffHuman, a probabilistic method for photorealistic 3D human reconstruction from a single RGB image. Despite the ill-posed nature of this problem, most methods are deterministic and output a single solution, often resulting in a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Akash Sengupta , Thiemo Alldieck , Nikos Kolotouros , Enric Corona , Andrei Zanfir , Cristian Sminchisescu

3D medical image segmentation is a challenging task with crucial implications for disease diagnosis and treatment planning. Recent advances in deep learning have significantly enhanced fully supervised medical image segmentation. However,…

Image and Video Processing · Electrical Eng. & Systems 2025-06-23 Runmin Jiang , Zhaoxin Fan , Junhao Wu , Lenghan Zhu , Xin Huang , Tianyang Wang , Heng Huang , Min Xu

Current medical image segmentation relies on the region-based (Dice, F1-score) and boundary-based (Hausdorff distance, surface distance) metrics as the de-facto standard. While these metrics are widely used, they lack a unified…

Image and Video Processing · Electrical Eng. & Systems 2024-05-15 Zheyuan Zhang , Ulas Bagci

We propose a novel hands-free method to interactively segment 3D medical volumes. In our scenario, a human user progressively segments an organ by answering a series of questions of the form "Is this voxel inside the object to segment?". At…

Computer Vision and Pattern Recognition · Computer Science 2016-09-21 Florian Dubost , Loic Peter , Christian Rupprecht , Benjamin Gutierrez-Becker , Nassir Navab

High-quality 3D human body reconstruction requires high-fidelity and large-scale training data and appropriate network design that effectively exploits the high-resolution input images. To tackle these problems, we propose a simple yet…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Sang-Hun Han , Min-Gyu Park , Ju Hong Yoon , Ju-Mi Kang , Young-Jae Park , Hae-Gon Jeon

In this paper, we tackle the problem of active robotic 3D reconstruction of an object. In particular, we study how a mobile robot with an arm-held camera can select a favorable number of views to recover an object's 3D shape efficiently.…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Soomin Lee , Le Chen , Jiahao Wang , Alexander Liniger , Suryansh Kumar , Fisher Yu

Diffusion Probabilistic Methods are employed for state-of-the-art image generation. In this work, we present a method for extending such models for performing image segmentation. The method learns end-to-end, without relying on a…

Computer Vision and Pattern Recognition · Computer Science 2022-09-08 Tomer Amit , Tal Shaharbany , Eliya Nachmani , Lior Wolf

Single Photon Emission Computed Tomography (SPECT) is one of the nuclear medicine imaging modalities used for functional analysis of animal and human organs. Gamma rays emitted from the scanned body are filtered with collimators and…

Image and Video Processing · Electrical Eng. & Systems 2020-12-15 Manu Francis , Muhammed Tarek , Mark Pickering , Murat Tahtali

Magnetic Resonance Imaging (MRI) is a technology for non-invasive imaging of anatomical features in detail. It can help in functional analysis of organs of a specimen but it is very costly. In this work, methods for (i) virtual…

Image and Video Processing · Electrical Eng. & Systems 2023-03-17 Somoballi Ghoshal , Shremoyee Goswami , Amlan Chakrabarti , Susmita Sur-Kolay

This paper investigates a 2D to 3D image translation method with a straightforward technique, enabling correlated 2D X-ray to 3D CT-like reconstruction. We observe that existing approaches, which integrate information across multiple 2D…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Abril Corona-Figueroa , Hubert P. H. Shum , Chris G. Willcocks

Here we present a number of improvements to weak lensing 3D power spectrum analysis, 3D cosmic shear, that uses the shape and redshift information of every galaxy to constrain cosmological parameters. We show how photometric redshift…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 T. D. Kitching , A. F. Heavens , L. Miller

We propose a unified formulation for the problem of 3D human pose estimation from a single raw RGB image that reasons jointly about 2D joint estimation and 3D pose reconstruction to improve both tasks. We take an integrated approach that…

Computer Vision and Pattern Recognition · Computer Science 2017-11-27 Denis Tome , Chris Russell , Lourdes Agapito

In this paper, we introduce a method to build an adapted mesh representation of a 3D object for X-Ray tomography reconstruction. Using this representation, we provide means to reduce the computational cost of reconstruction by way of…

Computer Vision and Pattern Recognition · Computer Science 2015-07-30 Anthony Cazasnoves , Fanny Buyens , Sylvie Sevestre

Despite advances in deep learning, robustness under domain shift remains a major bottleneck in medical imaging settings. Findings on natural images suggest that deep neural models can show a strong textural bias when carrying out image…

Image and Video Processing · Electrical Eng. & Systems 2021-06-29 Seoin Chai , Daniel Rueckert , Ahmed E. Fetit

Fluorescence microscopy has been a significant tool to observe long-term imaging of embryos (in vivo) growth over time. However, cumulative exposure is phototoxic to such sensitive live samples. While techniques like light-sheet…

Image and Video Processing · Electrical Eng. & Systems 2022-01-05 Varun Mannam , Jacob Brandt , Cody J. Smith , Scott Howard

With the introduction of spectral-domain optical coherence tomography (OCT), resulting in a significant increase in acquisition speed, the fast and accurate segmentation of 3-D OCT scans has become evermore important. This paper presents a…

Computer Vision and Pattern Recognition · Computer Science 2014-04-01 Fabian Rathke , Stefan Schmidt , Christoph Schnörr

Detailed 3D reconstruction is an important challenge with application to robotics, augmented and virtual reality, which has seen impressive progress throughout the past years. Advancements were driven by the availability of depth cameras…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Andrea Nicastro , Ronald Clark , Stefan Leutenegger

Current volumetric biomedical foundation models struggle to generalize as public 3D datasets are small and do not cover the broad diversity of medical procedures, conditions, anatomical regions, and imaging protocols. We address this by…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Neel Dey , Benjamin Billot , Hallee E. Wong , Clinton J. Wang , Mengwei Ren , P. Ellen Grant , Adrian V. Dalca , Polina Golland

Weakly supervised segmentation is an important problem in medical image analysis due to the high cost of pixelwise annotation. Prior methods, while often focusing on weak labels of 2D images, exploit few structural cues of volumetric…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Qian He , Shuailin Li , Xuming He

We propose a Transformer architecture for volumetric segmentation, a challenging task that requires keeping a complex balance in encoding local and global spatial cues, and preserving information along all axes of the volume. Encoder of the…

Image and Video Processing · Electrical Eng. & Systems 2022-07-04 Himashi Peiris , Munawar Hayat , Zhaolin Chen , Gary Egan , Mehrtash Harandi