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Deep learning has the potential to improve colonoscopy by enabling 3D reconstruction of the colon, providing a comprehensive view of mucosal surfaces and lesions, and facilitating the identification of unexplored areas. However, the…

Controllable pathology image synthesis requires reliable regulation of spatial layout, tissue morphology, and semantic detail. However, existing text-guided diffusion models offer only coarse global control and lack the ability to enforce…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Yuntao Shou , Xiangyong Cao , Qian Zhao , Deyu Meng

Managing chronic wounds is a global challenge that can be alleviated by the adoption of automatic systems for clinical wound assessment from consumer-grade videos. While 2D image analysis approaches are insufficient for handling the 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Remi Chierchia , Leo Lebrat , David Ahmedt-Aristizabal , Olivier Salvado , Clinton Fookes , Rodrigo Santa Cruz

General scene reconstruction refers to the task of estimating the full 3D geometry and texture of a scene containing previously unseen objects. In many practical applications such as AR/VR, autonomous navigation, and robotics, only a single…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Isaac Kasahara , Shubham Agrawal , Selim Engin , Nikhil Chavan-Dafle , Shuran Song , Volkan Isler

Endoscopy is the most widely used imaging technique for the diagnosis of cancerous lesions in hollow organs. However, endoscopic images are often affected by illumination artefacts: image parts may be over- or underexposed according to the…

Image and Video Processing · Electrical Eng. & Systems 2024-10-28 Axel Garcia-Vega , Ricardo Espinosa , Luis Ramirez-Guzman , Thomas Bazin , Luis Falcon-Morales , Gilberto Ochoa-Ruiz , Dominique Lamarque , Christian Daul

This contribution shows how an appropriate image pre-processing can improve a deep-learning based 3D reconstruction of colon parts. The assumption is that, rather than global image illumination corrections, local under- and over-exposures…

Image and Video Processing · Electrical Eng. & Systems 2023-04-18 Ricardo Espinosa , Carlos Axel Garcia-Vega , Gilberto Ochoa-Ruiz , Dominique Lamarque , Christian Daul

The accurate 3D reconstruction of deformable soft body tissues from endoscopic videos is a pivotal challenge in medical applications such as VR surgery and medical image analysis. Existing methods often struggle with accuracy and the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Yangsen Chen , Hao Wang

Volumetric ultrasound has the potential to significantly improve diagnostic accuracy and clinical decision-making, yet its widespread adoption remains limited by dependence on specialized hardware and restrictive acquisition protocols. In…

Image and Video Processing · Electrical Eng. & Systems 2026-02-03 Max Krähenmann , Sergio Tascon-Morales , Fabian Laumer , Julia E. Vogt , Ece Ozkan

Scanning Electron Microscopes (SEMs) are widely renowned for their ability to analyze the surface structures of microscopic objects, offering the capability to capture highly detailed, yet only grayscale, images. To create more expressive…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Takuma Nishimura , Andreea Dogaru , Martin Oeggerli , Bernhard Egger

In this work, we present a new method for 3D face reconstruction from sparse-view RGB images. Unlike previous methods which are built upon 3D morphable models (3DMMs) with limited details, we leverage an implicit representation to encode…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Moran Li , Haibin Huang , Yi Zheng , Mengtian Li , Nong Sang , Chongyang Ma

Reconstructing deformable tissues from endoscopic videos is essential in many downstream surgical applications. However, existing methods suffer from slow rendering speed, greatly limiting their practical use. In this paper, we introduce…

Computer Vision and Pattern Recognition · Computer Science 2024-02-14 Yifan Liu , Chenxin Li , Chen Yang , Yixuan Yuan

Efficient three-dimensional reconstruction and real-time visualization are critical in surgical scenarios such as endoscopy. In recent years, 3D Gaussian Splatting (3DGS) has demonstrated remarkable performance in efficient 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Taoyu Wu , Yiyi Miao , Zhuoxiao Li , Haocheng Zhao , Kang Dang , Jionglong Su , Limin Yu , Haoang Li

Video streams are utilised to guide minimally-invasive surgery and diagnostic procedures in a wide range of procedures, and many computer assisted techniques have been developed to automatically analyse them. These approaches can provide…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Rema Daher , Francisco Vasconcelos , Danail Stoyanov

While medical images such as computed tomography (CT) are stored in DICOM format in hospital PACS, it is still quite routine in many countries to print a film as a transferable medium for the purposes of self-storage and secondary…

Computer Vision and Pattern Recognition · Computer Science 2020-12-18 Quan Quan , Qiyuan Wang , Liu Li , Yuanqi Du , S. Kevin Zhou

Histopathological cancer diagnosis is based on visual examination of stained tissue slides. Hematoxylin and eosin (H\&E) is a standard stain routinely employed worldwide. It is easy to acquire and cost effective, but cells and tissue…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Zhaoyang Xu , Xingru Huang , Carlos Fernández Moro , Béla Bozóky , Qianni Zhang

Computer-generated holography (CGH) can be used to display three-dimensional (3D) images and has a special feature that no other technology possesses: it can reconstruct arbitrary object wavefronts. In this study, we investigated a…

Optics · Physics 2023-10-17 Shuhei Yoshida

Colonoscopy is the choice procedure to diagnose colon and rectum cancer, from early detection of small precancerous lesions (polyps), to confirmation of malign masses. However, the high variability of the organ appearance and the complex…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Josué Ruano , Martín Gómez , Eduardo Romero , Antoine Manzanera

Accurate depth estimation plays a critical role in the navigation of endoscopic surgical robots, forming the foundation for 3D reconstruction and safe instrument guidance. Fine-tuning pretrained models heavily relies on endoscopic surgical…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Yinheng Lin , Yiming Huang , Beilei Cui , Long Bai , Huxin Gao , Hongliang Ren , Jiewen Lai

Motion-resolved reconstruction for abdominal magnetic resonance imaging (MRI) remains a challenge due to the trade-off between residual motion blurring caused by discretized motion states and undersampling artefacts. In this work, we…

Spatial computer vision techniques have the potential to improve the diagnostic performance of colonoscopy. However, the lack of 3D colonoscopy datasets for training and validation hinders their development. This paper introduces C3VDv2,…

Image and Video Processing · Electrical Eng. & Systems 2025-09-12 Mayank V. Golhar , Lucas Sebastian Galeano Fretes , Loren Ayers , Venkata S. Akshintala , Taylor L. Bobrow , Nicholas J. Durr