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This paper explores training medical vision-language models (VLMs) -- where the visual and language inputs are embedded into a common space -- with a particular focus on scenarios where training data is limited, as is often the case in…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Rhydian Windsor , Amir Jamaludin , Timor Kadir , Andrew Zisserman

We consider the problem of relative pose regression in visual relocalization. Recently, several promising approaches have emerged in this area. We claim that even though they demonstrate on the same datasets using the same split to train…

Computer Vision and Pattern Recognition · Computer Science 2020-09-25 Amir Shalev , Omer Achrack , Brian Fulkerson , Ben-Zion Bobrovsky

The recent proposal of a new alignment solution for X-ray tomography, Virtual alignment method (VAM) allowed a more accurate method to remove the possible errors that limit the resolution and clarity of the reconstructed image. In the field…

Image and Video Processing · Electrical Eng. & Systems 2020-10-28 Kyungtaek Jun , Seokhwan Yoon , Jae-Hong Lim , SeungJoon Noh

Accurate 6D object pose estimation is fundamental to robotic manipulation and grasping. Previous methods follow a local optimization approach which minimizes the distance between closest point pairs to handle the rotation ambiguity of…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Meng Tian , Liang Pan , Marcelo H Ang , Gim Hee Lee

Accurate and robust localization is a fundamental need for mobile agents. Visual-inertial odometry (VIO) algorithms exploit the information from camera and inertial sensors to estimate position and translation. Recent deep learning based…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Zheming Tu , Changhao Chen , Xianfei Pan , Ruochen Liu , Jiarui Cui , Jun Mao

Human pose and shape estimation from RGB images is a highly sought after alternative to marker-based motion capture, which is laborious, requires expensive equipment, and constrains capture to laboratory environments. Monocular vision-based…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Soyong Shin , Eni Halilaj

There exists a multitude of online video tutorials to teach physical movements such as exercises. Yet, users lack support to verify the accuracy of their movements when following such videos and have to rely on their own perception. To…

Human-Computer Interaction · Computer Science 2020-10-12 Atima Tharatipyakul , Kenny Choo , Simon T. Perrault

In this paper, we propose a method for initial camera pose estimation from just a single image which is robust to viewing conditions and does not require a detailed model of the scene. This method meets the growing need of easy deployment…

Computer Vision and Pattern Recognition · Computer Science 2022-03-10 Matthieu Zins , Gilles Simon , Marie-Odile Berger

Robots are increasingly envisioned to interact in real-world scenarios, where they must continuously adapt to new situations. To detect and grasp novel objects, zero-shot pose estimators determine poses without prior knowledge. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Tessa Pulli , Stefan Thalhammer , Simon Schwaiger , Markus Vincze

3D Human body pose and shape estimation within a temporal sequence can be quite critical for understanding human behavior. Despite the significant progress in human pose estimation in the recent years, which are often based on single images…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Zhouping Wang , Sarah Ostadabbas

Vision-and-language(V&L) models take image and text as input and learn to capture the associations between them. Prior studies show that pre-trained V&L models can significantly improve the model performance for downstream tasks such as…

Computer Vision and Pattern Recognition · Computer Science 2021-08-12 Masoud Monajatipoor , Mozhdeh Rouhsedaghat , Liunian Harold Li , Aichi Chien , C. -C. Jay Kuo , Fabien Scalzo , Kai-Wei Chang

Small catheters undergo significant torsional deflections during endovascular interventions. A key challenge in enabling robot control of these catheters is the estimation of their bending planes. This paper considers approaches for…

Robotics · Computer Science 2023-04-25 Jared Lawson , Rohan Chitale , Nabil Simaan

Visual localization enables autonomous vehicles to navigate in their surroundings and augmented reality applications to link virtual to real worlds. Practical visual localization approaches need to be robust to a wide variety of viewing…

Computer Vision and Pattern Recognition · Computer Science 2018-04-06 Torsten Sattler , Will Maddern , Carl Toft , Akihiko Torii , Lars Hammarstrand , Erik Stenborg , Daniel Safari , Masatoshi Okutomi , Marc Pollefeys , Josef Sivic , Fredrik Kahl , Tomas Pajdla

6D object pose estimation is a crucial prerequisite for autonomous robot manipulation applications. The state-of-the-art models for pose estimation are convolutional neural network (CNN)-based. Lately, Transformers, an architecture…

Computer Vision and Pattern Recognition · Computer Science 2023-07-24 Arul Selvam Periyasamy , Arash Amini , Vladimir Tsaturyan , Sven Behnke

Recent advancements in 3D human pose estimation from single-camera images and videos have relied on parametric models, like SMPL. However, these models oversimplify anatomical structures, limiting their accuracy in capturing true joint…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Farnoosh Koleini , Muhammad Usama Saleem , Pu Wang , Hongfei Xue , Ahmed Helmy , Abbey Fenwick

Visual information, captured for example by cameras, can effectively reflect the sizes and locations of the environmental scattering objects, and thereby can be used to infer communications parameters like propagation directions, receiver…

Signal Processing · Electrical Eng. & Systems 2022-07-26 Weihua Xu , Feifei Gao , Xiaoming Tao , Jianhua Zhang , Ahmed Alkhateeb

As robotic systems increasingly encounter complex and unconstrained real-world scenarios, there is a demand to recognize diverse objects. The state-of-the-art 6D object pose estimation methods rely on object-specific training and therefore…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Philipp Ausserlechner , David Haberger , Stefan Thalhammer , Jean-Baptiste Weibel , Markus Vincze

The classification of microscopy videos capturing complex cellular behaviors is crucial for understanding and quantifying the dynamics of biological processes over time. However, it remains a frontier in computer vision, requiring…

In the last decade, convolutional neural networks (ConvNets) have dominated and achieved state-of-the-art performances in a variety of medical imaging applications. However, the performances of ConvNets are still limited by lacking the…

Image and Video Processing · Electrical Eng. & Systems 2021-04-15 Junyu Chen , Yufan He , Eric C. Frey , Ye Li , Yong Du

During visuomotor tasks, robots must compensate for temporal delays inherent in their sensorimotor processing systems. Delay compensation becomes crucial in a dynamic environment where the visual input is constantly changing, e.g., during…

Computer Vision and Pattern Recognition · Computer Science 2018-03-12 Luiza Mici , German I. Parisi , Stefan Wermter
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