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Unsupervised retrieval of image features is vital for many computer vision tasks where the annotation is missing or scarce. In this work, we propose a new unsupervised approach to detect the landmarks in images, validating it on the popular…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Iaroslav Bespalov , Nazar Buzun , Dmitry V. Dylov

Pose estimation, i.e. predicting a 3D rigid transformation with respect to a fixed co-ordinate frame in, SE(3), is an omnipresent problem in medical image analysis with applications such as: image rigid registration, anatomical standard…

Computer Vision and Pattern Recognition · Computer Science 2018-07-18 Benjamin Hou , Nina Miolane , Bishesh Khanal , Matthew C. H. Lee , Amir Alansary , Steven McDonagh , Jo V. Hajnal , Daniel Rueckert , Ben Glocker , Bernhard Kainz

Surgical robots are usually controlled using a priori models based on the robots' geometric parameters, which are calibrated before the surgical procedure. One of the challenges in using robots in real surgical settings is that those…

Robotics · Computer Science 2022-06-03 Masakazu Yoshimura , Murilo Marques Marinho , Kanako Harada , Mamoru Mitsuishi

3D human pose and shape recovery from a monocular RGB image is a challenging task. Existing learning based methods highly depend on weak supervision signals, e.g. 2D and 3D joint location, due to the lack of in-the-wild paired 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Zhiwei Liu , Xiangyu Zhu , Lu Yang , Xiang Yan , Ming Tang , Zhen Lei , Guibo Zhu , Xuetao Feng , Yan Wang , Jinqiao Wang

Annotating medical imaging datasets is costly, so fine-tuning (or transfer learning) is the most effective method for digital pathology vision applications such as disease classification and semantic segmentation. However, due to texture…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Tushar Kataria , Beatrice Knudsen , Shireen Elhabian

Despite the successes of deep neural networks on many challenging vision tasks, they often fail to generalize to new test domains that are not distributed identically to the training data. The domain adaptation becomes more challenging for…

Computer Vision and Pattern Recognition · Computer Science 2021-03-08 Devavrat Tomar , Manana Lortkipanidze , Guillaume Vray , Behzad Bozorgtabar , Jean-Philippe Thiran

Over the last decade, convolutional neural networks (CNNs) have emerged as the leading algorithms in image classification and segmentation. Recent publication of large medical imaging databases have accelerated their use in the biomedical…

Image and Video Processing · Electrical Eng. & Systems 2020-05-11 John McManigle , Raquel Bartz , Lawrence Carin

In this work, we present an end-to-end deep learning framework for X-ray image diagnosis. As the first step, our system determines whether a submitted image is an X-ray or not. After it classifies the type of the X-ray, it runs the…

Image and Video Processing · Electrical Eng. & Systems 2020-03-20 Kudaibergen Urinbayev , Yerassyl Orazbek , Yernur Nurambek , Almas Mirzakhmetov , Huseyin Atakan Varol

Medical image segmentation is a relevant task as it serves as the first step for several diagnosis processes, thus it is indispensable in clinical usage. Whilst major success has been reported using supervised techniques, they assume a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Lihao Liu , Angelica I Aviles-Rivero , Carola-Bibiane Schönlieb

Image-based localization, or camera relocalization, is a fundamental problem in computer vision and robotics, and it refers to estimating camera pose from an image. Recent state-of-the-art approaches use learning based methods, such as…

Computer Vision and Pattern Recognition · Computer Science 2018-06-26 Xiaotian Li , Juha Ylioinas , Juho Kannala

Guidewire segmentation during endovascular interventions holds the potential to significantly enhance procedural accuracy, improving visualization and providing critical feedback that can support both physicians and robotic systems in…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Yuxuan Wen , Evgenia Roussinova , Olivier Brina , Paolo Machi , Mohamed Bouri

Automotive self-localization is an essential task for any automated driving function. This means that the vehicle has to reliably know its position and orientation with an accuracy of a few centimeters and degrees, respectively. This paper…

Individual tooth segmentation from cone beam computed tomography (CBCT) images is an essential prerequisite for an anatomical understanding of orthodontic structures in several applications, such as tooth reformation planning and implant…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Minyoung Chung , Minkyung Lee , Jioh Hong , Sanguk Park , Jusang Lee , Jingyu Lee , Jeongjin Lee , Yeong-Gil Shin

Localizing anatomical landmarks are important tasks in medical image analysis. However, the landmarks to be localized often lack prominent visual features. Their locations are elusive and easily confused with the background, and thus…

Image and Video Processing · Electrical Eng. & Systems 2022-12-23 Xiaofeng Lei , Shaohua Li , Xinxing Xu , Huazhu Fu , Yong Liu , Yih-Chung Tham , Yangqin Feng , Mingrui Tan , Yanyu Xu , Jocelyn Hui Lin Goh , Rick Siow Mong Goh , Ching-Yu Cheng

Precise initialization plays a critical role in the performance of localization algorithms, especially in the context of robotics, autonomous driving, and computer vision. Poor localization accuracy is often a consequence of inaccurate…

Robotics · Computer Science 2025-05-15 Srinivas Ravuri , Yuan Xu , Martin Ludwig Zehetner , Ketan Motlag , Sahin Albayrak

Purpose: Automated C-arm positioning ensures timely treatment in patients requiring emergent interventions. When a conventional Deep Learning (DL) approach for C-arm control fails, clinicians must revert to manual operation, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Jay Jung , Ahmad Arrabi , Jax Luo , Scott Raymond , Safwan Wshah

Landmark localization is a challenging problem in computer vision with a multitude of applications. Recent deep learning based methods have shown improved results by regressing likelihood maps instead of regressing the coordinates directly.…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Brian Teixeira , Birgi Tamersoy , Vivek Singh , Ankur Kapoor

Assessment of spontaneous movements can predict the long-term developmental disorders in high-risk infants. In order to develop algorithms for automated prediction of later disorders, highly precise localization of segments and joints by…

Computer Vision and Pattern Recognition · Computer Science 2022-02-21 Daniel Groos , Lars Adde , Ragnhild Støen , Heri Ramampiaro , Espen A. F. Ihlen

Ultrasound is progressing toward becoming an affordable and versatile solution to medical imaging. With the advent of COVID-19 global pandemic, there is a need to fully automate ultrasound imaging as it requires trained operators in close…

Image and Video Processing · Electrical Eng. & Systems 2023-02-28 Jianzhi Long , Jicang Cai , Abdullah Al-Battal , Shiwei Jin , Jing Zhang , Dacheng Tao , Truong Nguyen

Unsupervised registration strategies bypass requirements in ground truth transforms or segmentations by optimising similarity metrics between fixed and moved volumes. Among these methods, a recent subclass of approaches based on…

Computer Vision and Pattern Recognition · Computer Science 2025-03-10 Benjamin Billot , Ramya Muthukrishnan , Esra Abaci-Turk , P. Ellen Grant , Nicholas Ayache , Hervé Delingette , Polina Golland