activity
20222026
most citedDiffusion as Sound Propagation: Physics-inspired Model for Ultrasound Image Generation

2 citations · 4 across the 17 of their papers we have counts for

collaborators

17 papers

cs.CV2026

ZODIAC: Zero-shot Octree-based Diffusion for Anatomical Completion

Miruna-Alexandra Gafencu, Vlad Bratulescu, Yordanka Velikova +2

Recovering the full 3D spine anatomy from intraoperative ultrasound is an ill-posed inverse problem, as the complete structure must be inferred from incomplete and noisy observatio…

cs.CV2026

ODeform: Learning Continuous 4D Motion for Shape Deformation with Neural ODEs

Yordanka Velikova, Mahdi Saleh, Liming Kuang +1

Modeling continuous object deformation is important for many computer vision and robotics tasks, such as manipulation and simulation. Existing approaches rely on learning-based met…

cs.CV2026

DefSynUS: Real-time Patient-specific Intrahepatic Vessel Identification via Deformation-Aware CT-US Domain Adaptation

Karl-Philippe Beaudet, Yordanka Velikova, Sidaty El Hadramy +4

Purpose: Laparoscopic ultrasound (LUS) enhances the safety of liver surgery by visualizing intrahepatic vessels in real-time. Still, vessel identification remains difficult due to…

cs.HC2026

Feasibility of Augmented Reality-Guided Robotic Ultrasound with Cone-Beam CT Integration for Spine Procedures

Tianyu Song, Felix Pabst, Feng Li +5

Accurate needle placement in spine interventions is critical for effective pain management, yet it depends on reliable identification of anatomical landmarks and careful trajectory…

cs.CV2026

Node-RF: Learning Generalized Continuous Space-Time Scene Dynamics with Neural ODE-based NeRFs

Hiran Sarkar, Liming Kuang, Yordanka Velikova +1

Predicting scene dynamics from visual observations is challenging. Existing methods capture dynamics only within observed boundaries failing to extrapolate far beyond the training…

cs.CV2025

ConceptPose: Training-Free Zero-Shot Object Pose Estimation using Concept Vectors

Liming Kuang, Yordanka Velikova, Mahdi Saleh +3

Object pose estimation is a fundamental task in computer vision and robotics, yet most methods require extensive, dataset-specific training. Concurrently, large-scale vision langua…

cs.CV2025★ 1 cited

US-X Complete: A Multi-Modal Approach to Anatomical 3D Shape Recovery

Miruna-Alexandra Gafencu, Yordanka Velikova, Nassir Navab +1

Ultrasound offers a radiation-free, cost-effective solution for real-time visualization of spinal landmarks, paraspinal soft tissues and neurovascular structures, making it valuabl…

cs.CV2025

Shape Completion and Real-Time Visualization in Robotic Ultrasound Spine Acquisitions

Miruna-Alexandra Gafencu, Reem Shaban, Yordanka Velikova +2

Ultrasound (US) imaging is increasingly used in spinal procedures due to its real-time, radiation-free capabilities; however, its effectiveness is hindered by shadowing artifacts t…

cs.CV2024

Deep Spectral Methods for Unsupervised Ultrasound Image Interpretation

Oleksandra Tmenova, Yordanka Velikova, Mahdi Saleh +1

Ultrasound imaging is challenging to interpret due to non-uniform intensities, low contrast, and inherent artifacts, necessitating extensive training for non-specialists. Advanced…

eess.IV2024★ 2 cited

Diffusion as Sound Propagation: Physics-inspired Model for Ultrasound Image Generation

Marina Domínguez, Yordanka Velikova, Nassir Navab +1

Deep learning (DL) methods typically require large datasets to effectively learn data distributions. However, in the medical field, data is often limited in quantity, and acquiring…

eess.IV2024

Shape Completion in the Dark: Completing Vertebrae Morphology from 3D Ultrasound

Miruna-Alexandra Gafencu, Yordanka Velikova, Mahdi Saleh +4

Purpose: Ultrasound (US) imaging, while advantageous for its radiation-free nature, is challenging to interpret due to only partially visible organs and a lack of complete 3D infor…

eess.IV2024

CathFlow: Self-Supervised Segmentation of Catheters in Interventional Ultrasound Using Optical Flow and Transformers

Alex Ranne, Liming Kuang, Yordanka Velikova +2

In minimally invasive endovascular procedures, contrast-enhanced angiography remains the most robust imaging technique. However, it is at the expense of the patient and clinician's…

cs.RO2023

Implicit Neural Representations for Breathing-compensated Volume Reconstruction in Robotic Ultrasound

Yordanka Velikova, Mohammad Farid Azampour, Walter Simson +2

Ultrasound (US) imaging is widely used in diagnosing and staging abdominal diseases due to its lack of non-ionizing radiation and prevalent availability. However, significant inter…

eess.IV2023

AiAReSeg: Catheter Detection and Segmentation in Interventional Ultrasound using Transformers

Alex Ranne, Yordanka Velikova, Nassir Navab +1

To date, endovascular surgeries are performed using the golden standard of Fluoroscopy, which uses ionising radiation to visualise catheters and vasculature. Prolonged Fluoroscopic…

eess.IV2023

Can ultrasound confidence maps predict sonographers' labeling variability?

Vanessa Gonzalez Duque, Leonhard Zirus, Yordanka Velikova +2

Measuring cross-sectional areas in ultrasound images is a standard tool to evaluate disease progress or treatment response. Often addressed today with supervised deep-learning segm…

eess.IV2023★ 1 cited

LOTUS: Learning to Optimize Task-based US representations

Yordanka Velikova, Mohammad Farid Azampour, Walter Simson +2

Anatomical segmentation of organs in ultrasound images is essential to many clinical applications, particularly for diagnosis and monitoring. Existing deep neural networks require…

eess.IV2022

CACTUSS: Common Anatomical CT-US Space for US examinations

Yordanka Velikova, Walter Simson, Mehrdad Salehi +3

Abdominal aortic aneurysm (AAA) is a vascular disease in which a section of the aorta enlarges, weakening its walls and potentially rupturing the vessel. Abdominal ultrasound has b…