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Modern neural networks have greatly improved performance across speech recognition benchmarks. However, gains are often driven by frequent words with limited semantic weight, which can obscure meaningful differences in word error rate, the…

Computation and Language · Computer Science 2026-04-21 Lasse Borgholt , Jakob Havtorn , Christian Igel , Lars Maaløe , Zheng-Hua Tan

Calibration, the practice of choosing the parameters of a structural model to match certain empirical moments, can be viewed as minimum distance estimation. Existing standard error formulas for such estimators require a consistent estimate…

Econometrics · Economics 2024-06-19 Matthew D. Cocci , Mikkel Plagborg-Møller

We rethink a well-know bottom-up approach for multi-person pose estimation and propose an improved one. The improved approach surpasses the baseline significantly thanks to (1) an intuitional yet more sensible representation, which we refer…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Jia Li , Wen Su , Zengfu Wang

Robotic-assisted orthopaedic surgeries demand accurate, automated leg manipulation for improved spatial accuracy to reduce iatrogenic damage. In this study, we propose novel rigid body designs and an optical tracking volume setup for…

Robotics · Computer Science 2019-09-09 Mario Strydom , Artur Banach , Liao Wu , Ross Crawford , Jonathan Roberts , Anjali Jaiprakash

We present KeyMorph, a deep learning-based image registration framework that relies on automatically detecting corresponding keypoints. State-of-the-art deep learning methods for registration often are not robust to large misalignments, are…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Alan Q. Wang , Evan M. Yu , Adrian V. Dalca , Mert R. Sabuncu

Segmentation of medical images is critical for making several processes of analysis and classification more reliable. With the growing number of people presenting back pain and related problems, the semi-automatic segmentation and 3D…

Image and Video Processing · Electrical Eng. & Systems 2019-07-10 Jonathan S. Ramos , Mirela T. Cazzolato , Bruno S. Faiçal , Marcello H. Nogueira-Barbosa , Caetano Traina , Agma J. M. Traina

The structural integrity of self-piercing rivet (SPR) joints is critical in automotive industries, yet its evaluation poses challenges due to the limitations of traditional destructive methods. This research introduces an innovative…

Computational Engineering, Finance, and Science · Computer Science 2025-02-25 Wei Qin Chuah , Ruwan Tennakoon , Amanda Freis , Mark Easton , Reza Hoseinnezhad , Alireza Bab-Hadiashar

In this paper, we tackle the challenging problem of 3D keypoint estimation of general objects using a novel implicit representation. Previous works have demonstrated promising results for keypoint prediction through direct coordinate…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Xiangyu Zhu , Dong Du , Haibin Huang , Chongyang Ma , Xiaoguang Han

Recent advances in multimodal recommendation have demonstrated the effectiveness of incorporating visual and textual content into collaborative filtering. However, real-world deployments raise an increasingly important yet underexplored…

Information Retrieval · Computer Science 2026-02-03 Zixuan Li

We aim to reduce the tedious nature of developing and evaluating methods for aligning PET-CT scans from multiple patient visits. Current methods for registration rely on correspondences that are created manually by medical experts with 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Teaghan O'Briain , Kyong Hwan Jin , Hongyoon Choi , Erika Chin , Magdalena Bazalova-Carter , Kwang Moo Yi

Contact estimation is a key ability for limbed robots, where making and breaking contacts has a direct impact on state estimation and balance control. Existing approaches typically rely on gate-cycle priors or designated contact sensors. We…

Robotics · Computer Science 2025-01-23 Ü. Bora Gökbakan , Frederike Dümbgen , Stéphane Caron

Contemporary approaches to solving various problems that require analyzing three-dimensional (3D) meshes and point clouds have adopted the use of deep learning algorithms that directly process 3D data such as point coordinates, normal…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Stefan Novaković , Vladimir Risojević

A robot's ability to act is fundamentally constrained by what it can perceive. Many existing approaches to visual representation learning utilize general-purpose training criteria, e.g. image reconstruction, smoothness in latent space, or…

Purpose: Accurate estimation of the position and orientation (pose) of surgical instruments is crucial for delicate minimally invasive temporal bone surgery. Current techniques lack in accuracy and/or line-of-sight constraints (conventional…

Computer Vision and Pattern Recognition · Computer Science 2022-08-15 David Kügler , Jannik Sehring , Andrei Stefanov , Igor Stenin , Julia Kristin , Thomas Klenzner , Jörg Schipper , Anirban Mukhopadhyay

Calibration of multi-camera systems, i.e. determining the relative poses between the cameras, is a prerequisite for many tasks in computer vision and robotics. Camera calibration is typically achieved using offline methods that use…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Bastian Pätzold , Simon Bultmann , Sven Behnke

Handling uncertainty is critical for ensuring reliable decision-making in intelligent systems. Modern neural networks are known to be poorly calibrated, resulting in predicted confidence scores that are difficult to use. This article…

Machine Learning · Computer Science 2026-05-18 Gabriele Sanguin , Arjun Pakrashi , Marco Viola , Francesco Rinaldi

Estimating the head pose of a person is a crucial problem that has a large amount of applications such as aiding in gaze estimation, modeling attention, fitting 3D models to video and performing face alignment. Traditionally head pose is…

Computer Vision and Pattern Recognition · Computer Science 2018-07-11 Nataniel Ruiz , Eunji Chong , James M. Rehg

We aim to develop an algorithm for robots to manipulate novel objects as tools for completing different task goals. An efficient and informative representation would facilitate the effectiveness and generalization of such algorithms. For…

Robotics · Computer Science 2019-10-31 Zengyi Qin , Kuan Fang , Yuke Zhu , Li Fei-Fei , Silvio Savarese

We propose a robust and accurate method for estimating the 3D poses of two hands in close interaction from a single color image. This is a very challenging problem, as large occlusions and many confusions between the joints may happen.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Shreyas Hampali , Sayan Deb Sarkar , Mahdi Rad , Vincent Lepetit

Rehabilitation is important to improve quality of life for mobility-impaired patients. Smart walkers are a commonly used solution that should embed automatic and objective tools for data-driven human-in-the-loop control and monitoring.…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Manuel Palermo , Sara Moccia , Lucia Migliorelli , Emanuele Frontoni , Cristina P. Santos