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Spine injections are commonly performed in several clinical procedures. The localization of the target vertebral level (i.e. the position of a vertebra in a spine) is typically done by back palpation or under X-ray guidance, yielding either…

Image and Video Processing · Electrical Eng. & Systems 2020-02-27 Maria Tirindelli , Maria Victorova , Javier Esteban , Seong Tae Kim , David Navarro-Alarcon , Yong Ping Zheng , Nassir Navab

Spinal metastasis is the most common disease in bone metastasis and may cause pain, instability and neurological injuries. Early detection of spinal metastasis is critical for accurate staging and optimal treatment. The diagnosis is usually…

Computer Vision and Pattern Recognition · Computer Science 2024-02-15 Shiqi Peng , Bolin Lai , Guangyu Yao , Xiaoyun Zhang , Ya Zhang , Yan-Feng Wang , Hui Zhao

To decrease patient waiting time for diagnosis of the Coronary Artery Disease, automatic methods are applied to identify its severity using Coronary Computed Tomography Angiography scans or extracted Multiplanar Reconstruction (MPR) images,…

Image and Video Processing · Electrical Eng. & Systems 2020-06-16 Mariia Dobko , Bohdan Petryshak , Oles Dobosevych

This paper discusses the image processing and computer vision algorithms for real time detection and tracking of a sample wheel of a vehicle. During the manual tyre changing process, spinal and other muscular injuries are common and even…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Gideon Gbenga Oladipupo

In the growing field of virtual auditory display, personalized head-related transfer functions (HRTFs) play a vital role in establishing an accurate sound image for mixed and augmented reality applications. In this work, we propose an HRTF…

Audio and Speech Processing · Electrical Eng. & Systems 2025-02-06 Yuxiang Wang , You Zhang , Zhiyao Duan , Mark Bocko

Precise patient positioning and thus precise positioning of the planning target volume (PTV) is a prerequisite for effective treatment in percutaneous radiation therapy. Conventional imaging modalities used to ensure exact positioning for…

Medical Physics · Physics 2016-02-12 Manfred Wiencierz , Kathrin Kruppa , Lutz Lüdemann

This paper proposes a RANSAC-based algorithm for determining the axial rotation angle of an object from a pair of its tomographic projections. An equation is derived for calculating the rotation angle using one correct keypoints…

Computer Vision and Pattern Recognition · Computer Science 2019-10-07 Mikhail O. Chekanov , Oleg S. Shipitko , Egor I. Ershov

Implant prosthesis is the most appropriate treatment for dentition defect or dentition loss, which usually involves a surgical guide design process to decide the implant position. However, such design heavily relies on the subjective…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Xinquan Yang , Xuguang Li , Xuechen Li , Peixi Wu , Linlin Shen , Yongqiang Deng

Plain radiography is widely used to detect mechanical loosening of total hip replacement (THR) implants. Currently, radiographs are assessed manually by medical professionals, which may be prone to poor inter and intra observer reliability…

Image and Video Processing · Electrical Eng. & Systems 2022-07-06 Alireza Borjali , Antonia F. Chen , Orhun K. Muratoglu , Mohammad A. Morid , Kartik M. Varadarajan

Deep convolutional neural networks accuracy is heavily impacted by rotations of the input data. In this paper, we propose a convolutional predictor that is invariant to rotations in the input. This architecture is capable of predicting the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Rosemberg Rodriguez Salas , Eva Dokladalova , Petr Dokládal

This work presents an evaluation of CNN models and data augmentation to carry out the hierarchical localization of a mobile robot by using omnidireccional images. In this sense, an ablation study of different state-of-the-art CNN models…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 J. J. Cabrera , O. J. Céspedes , S. Cebollada , O. Reinoso , L. Payá

Objective. Achieving appropriate spinopelvic alignment has been shown to be associated with improved clinical symptoms. However, measurement of spinopelvic radiographic parameters is time-intensive and interobserver reliability is a…

Colorectal liver metastases (CLM) significantly impact colon cancer patients, influencing survival based on systemic chemotherapy response. Traditional methods like tumor grading scores (e.g., tumor regression grade - TRG) for prognosis…

Turn-By-Turn (TBT) betatron oscillation data is a very powerful tool in studying machine optics. Hundreds and thousands of turns of free oscillations are taken in just few tens of milliseconds. With beam covering all positions and angles at…

Accelerator Physics · Physics 2012-08-14 M. J. Yang

Robot-assisted endovascular intervention offers a safe and effective solution for remote catheter manipulation, reducing radiation exposure while enabling precise navigation. Reinforcement learning (RL) has recently emerged as a promising…

Robotics · Computer Science 2026-02-25 Hao Wang , Tianliang Yao , Bo Lu , Zhiqiang Pei , Liu Dong , Lei Ma , Peng Qi

We propose a new, two-stage approach to the vertebrae centroid detection and localization problem. The first stage detects where the vertebrae appear in the scan using 3D samples, the second identifies the specific vertebrae within that…

Image and Video Processing · Electrical Eng. & Systems 2019-10-15 James McCouat , Ben Glocker

State-of-the-art computer- and robot-assisted surgery systems heavily depend on intraoperative imaging technologies such as CT and fluoroscopy to generate detailed 3D visualization of the patient's anatomy. While imaging techniques are…

Image and Video Processing · Electrical Eng. & Systems 2024-10-04 Aidana Massalimova , Florentin Liebmann , Sascha Jecklin , Fabio Carrillo , Farshad Mazda , Philipp Fürnstahl

Not everybody can be equipped with professional photography skills and sufficient shooting time, and there can be some tilts in the captured images occasionally. In this paper, we propose a new and practical task, named Rotation Correction,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Lang Nie , Chunyu Lin , Kang Liao , Shuaicheng Liu , Yao Zhao

Convolutional neural networks have not only been applied for classification of voxels, objects, or images, for instance, but have also been proposed as a bodypart regressor. We pick up this underexplored idea and evaluate its value for…

Image and Video Processing · Electrical Eng. & Systems 2019-09-20 Hans Meine , Alessa Hering