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Linear measurements of the left ventricle (LV) in the Parasternal Long Axis (PLAX) view using B-mode echocardiography are crucial for cardiac assessment. These involve placing 4-6 landmarks along a virtual scanline (SL) perpendicular to the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Durgesh K. Singh , Ahcene Boubekki , Qing Cao , Svein Arne Aase , Robert Jenssen , Michael Kampffmeyer

Landmark digitization is essential in geometric morphometrics, enabling the quantification of biological shapes, such as facial structures, for in-depth morphological analysis. Traditional landmarking, which identifies specific anatomical…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Karel Kleisner , Jaroslav Trnka , Petr Turecek

Radiotherapists require accurate registration of MR/CT images to effectively use information from both modalities. In a typical registration pipeline, rigid or affine transformations are applied to roughly align the fixed and moving images…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Xiaoyu Bai , Fan Bai , Xiaofei Huo , Jia Ge , Tony C. W. Mok , Zi Li , Minfeng Xu , Jingren Zhou , Le Lu , Dakai Jin , Xianghua Ye , Jingjing Lu , Ke Yan

Contouring of organs at risk is an important but time consuming part of radiotherapy treatment planning. Several authors proposed methods for automatic delineation but the clinical experts eye remains the gold standard method. In this…

Computer Vision and Pattern Recognition · Computer Science 2018-12-13 Bruno A. G. da Silva , Alvaro L. Fazenda , Fabiano C. Paixao

Landmark detection is a critical component of the image processing pipeline for automated aortic size measurements. Given that the thoracic aorta has a relatively conserved topology across the population and that a human annotator with…

Image and Video Processing · Electrical Eng. & Systems 2023-04-18 Zhangxing Bian , Jiayang Zhong , Yanglong Lu , Charles R. Hatt , Nicholas S. Burris

Accurate localization in diverse environments is a fundamental challenge in computer vision and robotics. The task involves determining a sensor's precise position and orientation, typically a camera, within a given space. Traditional…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Luca Di Giammarino , Boyang Sun , Giorgio Grisetti , Marc Pollefeys , Hermann Blum , Daniel Barath

The reliable deployment of deep learning in medical imaging requires uncertainty quantification that provides rigorous error guarantees while remaining anatomically meaningful. Conformal prediction (CP) is a powerful distribution-free…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Mélanie Gaillochet , Christian Desrosiers , Hervé Lombaert

The electrophysiological source imagine reconstruction is sensitive to the head model construction, which depends on the accuracy of the anatomical landmarks locations knowns as fiducials. This work describes how to perform automatic…

Quantitative Methods · Quantitative Biology 2019-12-17 E. E. Gallego Martínez , A. González-Mitjans , M. L. Bringas-Vega , P. A. Valdés-Sosa

Cancer cases have been rising globally, resulting in nearly 10 million deaths in 2023. Biopsy, crucial for diagnosis, is often performed under ultrasound (US) guidance, demanding precise hand coordination and cognitive decision-making.…

Robotics · Computer Science 2024-10-15 Pratima Mohan , Aayush Agrawal , Niravkumar A. Patel

Visual localization is a key technique to a variety of applications, e.g., autonomous driving, AR/VR, and robotics. For these real applications, both efficiency and accuracy are important especially on edge devices with limited computing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-10 Fei Xue , Ignas Budvytis , Roberto Cipolla

For compression fracture detection and evaluation, an automatic X-ray image segmentation technique that combines deep-learning and level-set methods is proposed. Automatic segmentation is much more difficult for X-ray images than for CT or…

Medical Physics · Physics 2019-04-17 Kang Cheol Kim , Hyun Cheol Cho , Tae Jun Jang , Jong Mun Choi , Jin Keun Seo

Natural language offers a convenient, flexible interface for controlling robotic C-arm X-ray systems, making advanced functionality and controls accessible. However, enabling language interfaces requires specialized AI models that interpret…

Heatmap-based methods play an important role in anatomical landmark detection. However, most current heatmap-based methods assume that the distributions of all landmarks are the same and the distribution of each landmark is isotropic, which…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Ziyang Ye , Haiyang Yu , Bin Li

Biologically inspired, from the early HMAX model to Spatial Pyramid Matching, pooling has played an important role in visual recognition pipelines. Spatial pooling, by grouping of local codes, equips these methods with a certain degree of…

Computer Vision and Pattern Recognition · Computer Science 2015-05-06 Mateusz Malinowski , Mario Fritz

During spinal fusion surgery, screws are placed close to critical nerves suggesting the need for highly accurate screw placement. Verifying screw placement on high-quality tomographic imaging is essential. C-arm Cone-beam CT (CBCT) provides…

Computer Vision and Pattern Recognition · Computer Science 2022-01-20 Mareike Thies , Jan-Nico Zäch , Cong Gao , Russell Taylor , Nassir Navab , Andreas Maier , Mathias Unberath

This work proposes an autonomous docking control for nonholonomic constrained mobile robots and applies it to an intelligent mobility device or wheelchair for assisting the user in approaching resting furniture such as a chair or a bed. We…

Robotics · Computer Science 2021-07-29 Yang Chen , Diego Paez-Granados , Bruno Leme , Kenji Suzuki

Neurofibromatosis Type 1 is a genetic disorder characterized by the development of neurofibromas (NFs), which exhibit significant variability in size, morphology, and anatomical location. Accurate and automated segmentation of these tumors…

Image and Video Processing · Electrical Eng. & Systems 2025-11-18 Georgii Kolokolnikov , Marie-Lena Schmalhofer , Lennart Well , Said Farschtschi , Victor-Felix Mautner , Inka Ristow , Rene Werner

Robotic ultrasound (US) imaging aims at overcoming some of the limitations of free-hand US examinations, e.g. difficulty in guaranteeing intra- and inter-operator repeatability. However, due to anatomical and physiological variations…

Robotics · Computer Science 2022-08-11 Zhongliang Jiang , Yuan Gao , Le Xie , Nassir Navab

As autonomous systems increasingly rely on onboard sensing for localization and perception, the parallel tasks of motion planning and state estimation become more strongly coupled. This coupling is well-captured by augmenting the planning…

Robotics · Computer Science 2020-09-14 Kristoffer M. Frey , Ted J. Steiner , Jonathan P. How

Cardiac Magnetic Resonance (CMR) images are widely used for cardiac diagnosis and ventricular assessment. Extracting specific landmarks like the right ventricular insertion points is of importance for spatial alignment and 3D modeling. The…

Computer Vision and Pattern Recognition · Computer Science 2022-01-31 Sven Koehler , Lalith Sharan , Julian Kuhm , Arman Ghanaat , Jelizaveta Gordejeva , Nike K. Simon , Niko M. Grell , Florian André , Sandy Engelhardt
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