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Morphological analysis of organs based on images is a key task in medical imaging computing. Several approaches have been proposed for the quantitative assessment of morphological changes, and they have been widely used for the analysis of…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Benjamin Gutierrez-Becker , Sergios Gatidis , Daniel Gutmann , Annette Peters , Christopher Schlett Fabian Bamberg , Christian Wachinger

Soft-tissue deformation remains a major limitation in image-guided neurosurgery, where intra-operative anatomy can deviate substantially from pre-operative imaging due to brain shift, compromising navigation accuracy and surgical safety.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Eashrat Jahan Muniya , Gernot Kronreif , Ander Biguri , Wolfgang Birkfellner , Sepideh Hatamikia

As in other areas of medical image analysis, e.g. semantic segmentation, deep learning is currently driving the development of new approaches for image registration. Multi-scale encoder-decoder network architectures achieve state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Lasse Hansen , Mattias P. Heinrich

The increasing efficiency and compactness of deep learning architectures, together with hardware improvements, have enabled the complex and high-dimensional modelling of medical volumetric data at higher resolutions. Recently,…

Image and Video Processing · Electrical Eng. & Systems 2020-02-14 Petru-Daniel Tudosiu , Thomas Varsavsky , Richard Shaw , Mark Graham , Parashkev Nachev , Sebastien Ourselin , Carole H. Sudre , M. Jorge Cardoso

It is critically important to detect the content of liver fat as it is related to cardiac complications and cardiovascular disease mortality. However, existing methods are either associated with high cost and/or medical complications (e.g.,…

Image and Video Processing · Electrical Eng. & Systems 2024-06-03 Qiyue Wang , Wu Xue , Xiaoke Zhang , Fang Jin , James Hahn

This paper introduces a new interpretation of the Variational Autoencoder framework by taking a fully geometric point of view. We argue that vanilla VAE models unveil naturally a Riemannian structure in their latent space and that taking…

Machine Learning · Statistics 2022-11-04 Clément Chadebec , Stéphanie Allassonnière

Liver registration by overlaying preoperative 3D models onto intraoperative 2D frames can assist surgeons in perceiving the spatial anatomy of the liver clearly for a higher surgical success rate. Existing registration methods rely heavily…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Jun Zhou , Bingchen Gao , Kai Wang , Jialun Pei , Pheng-Ann Heng , Jing Qin

Well-labeled datasets of chest radiographs (CXRs) are difficult to acquire due to the high cost of annotation. Thus, it is desirable to learn a robust and transferable representation in an unsupervised manner to benefit tasks that lack…

Image and Video Processing · Electrical Eng. & Systems 2022-01-20 Lei Zhou , Joseph Bae , Huidong Liu , Gagandeep Singh , Jeremy Green , Amit Gupta , Dimitris Samaras , Prateek Prasanna

Automatic liver segmentation in 3D medical images is essential in many clinical applications, such as pathological diagnosis of hepatic diseases, surgical planning, and postoperative assessment. However, it is still a very challenging task…

Computer Vision and Pattern Recognition · Computer Science 2017-07-26 Dong Yang , Daguang Xu , S. Kevin Zhou , Bogdan Georgescu , Mingqing Chen , Sasa Grbic , Dimitris Metaxas , Dorin Comaniciu

Accurate and robust abdominal multi-organ segmentation from CT imaging of different modalities is a challenging task due to complex inter- and intra-organ shape and appearance variations among abdominal organs. In this paper, we propose a…

Image and Video Processing · Electrical Eng. & Systems 2022-08-03 Minfeng Xu , Heng Guo , Jianfeng Zhang , Ke Yan , Le Lu

Variational autoencoders (VAEs), that are built upon deep neural networks have emerged as popular generative models in computer vision. Most of the work towards improving variational autoencoders has focused mainly on making the…

Machine Learning · Statistics 2016-11-17 Siddharth Agrawal , Ambedkar Dukkipati

In this paper, we introduce a Variational Autoencoder (VAE) based training approach that can compress and decompress cancer pathology slides at a compression ratio of 1:512, which is better than the previously reported state of the art…

The preoperative planning of liver surgery relies on Couinaud segmentation from computed tomography (CT) images, to reduce the risk of bleeding and guide the resection procedure. Using 3D point-based representations, rather than voxelizing…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Xiaotong Zhang , Alexander Broersen , Gonnie CM van Erp , Silvia L. Pintea , Jouke Dijkstra

3D geometric contents are becoming increasingly popular. In this paper, we study the problem of analyzing deforming 3D meshes using deep neural networks. Deforming 3D meshes are flexible to represent 3D animation sequences as well as…

Graphics · Computer Science 2018-03-30 Qingyang Tan , Lin Gao , Yu-Kun Lai , Shihong Xia

In this study, a deep learning based conditional density estimation technique known as conditional variational auto-encoder (CVAE) is used to fill gaps typically observed in particle image velocimetry (PIV) measurements in combustion…

Fluid Dynamics · Physics 2023-12-12 Shashank Yellapantula

In this work we propose a multi-scale recurrent encoder-decoder architecture to predict the breathing induced organ deformation in future frames. The model was trained end-to-end from input images to predict a sequence of motion labels.…

Image and Video Processing · Electrical Eng. & Systems 2020-05-29 Liset Vázquez Romaguera , Rosalie Plantefève , Samuel Kadoury

We present a data-driven generative framework for synthesizing blood vessel 3D geometry. This is a challenging task due to the complexity of vascular systems, which are highly variating in shape, size, and structure. Existing model-based…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Paula Feldman , Miguel Fainstein , Viviana Siless , Claudio Delrieux , Emmanuel Iarussi

Semantic shape completion is a challenging problem in 3D computer vision where the task is to generate a complete 3D shape using a partial 3D shape as input. We propose a learning-based approach to complete incomplete 3D shapes through…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Swaminathan Gurumurthy , Shubham Agrawal

Accurate liver segmentation from CT scans is essential for effective diagnosis and treatment planning. Computer-aided diagnosis systems promise to improve the precision of liver disease diagnosis, disease progression, and treatment…

Image and Video Processing · Electrical Eng. & Systems 2024-04-23 Debesh Jha , Nikhil Kumar Tomar , Koushik Biswas , Gorkem Durak , Alpay Medetalibeyoglu , Matthew Antalek , Yury Velichko , Daniela Ladner , Amir Borhani , Ulas Bagci

Ultrasound (US) is a critical modality for diagnosing liver fibrosis. Unfortunately, assessment is very subjective, motivating automated approaches. We introduce a principled deep convolutional neural network (CNN) workflow that…

Image and Video Processing · Electrical Eng. & Systems 2020-08-11 Bowen Li , Ke Yan , Dar-In Tai , Yuankai Huo , Le Lu , Jing Xiao , Adam P. Harrison