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In the effort to aid cytologic diagnostics by establishing automatic single cell screening using high throughput digital holographic microscopy for clinical studies thousands of images and millions of cells are captured. The bottleneck lies…

Image and Video Processing · Electrical Eng. & Systems 2024-10-28 Julia Sistermanns , Ellen Emken , Gregor Weirich , Oliver Hayden , Wolfgang Utschick

Movement specific vehicle classification and counting at traffic intersections is a crucial component for various traffic management activities. In this context, with recent advancements in computer-vision based techniques, cameras have…

Computer Vision and Pattern Recognition · Computer Science 2021-11-18 Udita Jana , Jyoti Prakash Das Karmakar , Pranamesh Chakraborty , Tingting Huang , Dave Ness , Duane Ritcher , Anuj Sharma

This work explores the use of topological tools for achieving effective non-prehensile manipulation in cluttered, constrained workspaces. In particular, it proposes the use of persistent homology as a guiding principle in identifying the…

Robotics · Computer Science 2022-02-08 Ewerton R. Vieira , Daniel Nakhimovich , Kai Gao , Rui Wang , Jingjin Yu , Kostas E. Bekris

We introduce a numerical method for the approximation of functions which are analytic on compact intervals, except at the endpoints. This method is based on variable transforms using particular parametrized exponential and…

Numerical Analysis · Mathematics 2016-09-06 Ben Adcock , Jésus Martín-Vaquero , Mark Richardson

The synchrotron light source, a cutting-edge large-scale user facility, requires autonomous synchrotron beamline operations, a crucial technique that should enable experiments to be conducted automatically, reliably, and safely with minimum…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Baolu Li , Hongkai Yu , Huiming Sun , Jin Ma , Yuewei Lin , Lu Ma , Yonghua Du

Key technologies in energy conversion and storage, sensing and chemical synthesis rely on a detailed knowledge about charge transfer processes at electrified solid-liquid interfaces. However, these interfaces continuously evolve as a…

Materials Science · Physics 2022-12-12 Reshma R. Rao , Iris C. G. van den Bosch , Christoph Baeumer

Centipede-like robots offer an effective and robust solution to navigation over complex terrain with minimal sensing. However, when climbing over obstacles, such multi-legged robots often elevate their center-of-mass into unstable…

Robotics · Computer Science 2024-10-03 Erik Teder , Baxi Chong , Juntao He , Tianyu Wang , Massimiliano Iaschi , Daniel Soto , Daniel I Goldman

The evolution of local defects such as dislocations and cracks often determines the performance of engineering materials. For a proper description and understanding of these phenomena, one needs to descend to a very small scale, at which…

Soft Condensed Matter · Physics 2021-05-04 K. Mikeš , F. Bormann , O. Rokoš , R. H. J. Peerlings

Medical image segmentation has been significantly advanced by deep learning (DL) techniques, though the data scarcity inherent in medical applications poses a great challenge to DL-based segmentation methods. Self-supervised learning offers…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Binyan Hu , A. K. Qin

In this work, we propose using camera arrays coupled with coherent illumination as an effective method of improving spatial resolution in long distance images by a factor of ten and beyond. Recent advances in ptychography have demonstrated…

Computer Vision and Pattern Recognition · Computer Science 2015-11-29 Jason Holloway , M. Salman Asif , Manoj Kumar Sharma , Nathan Matsuda , Roarke Horstmeyer , Oliver Cossairt , Ashok Veeraraghavan

Assistive robots for healthcare have seen a growing demand due to the great potential of relieving medical practitioners from routine jobs. In this paper, we investigate the development of an optimization-based control framework for an…

Robotics · Computer Science 2022-03-07 Anqing Duan , Maria Victorova , Jingyuan Zhao , Yongping Zheng , David Navarro-Alarcon

Micro-scanners have been widely used in many optical applications. The micro-scanner presented in this paper uses multimorph-type bending actuators to tilt a square plate mirror. This paper presents a complete analytical model of the…

Other Computer Science · Computer Science 2008-02-22 A. Chaehoi , M. Begbie , D. Cornez , K. Kirk

Multi-organ segmentation, which identifies and separates different organs in medical images, is a fundamental task in medical image analysis. Recently, the immense success of deep learning motivated its wide adoption in multi-organ…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Jiahua Dong , Guohua Cheng , Yue Zhang , Chengtao Peng , Yu Song , Ruofeng Tong , Lanfen Lin , Yen-Wei Chen

A driven Monte Carlo dynamics is introduced to study resistivity scaling in XY-type models in the phase representation. The method is used to study the phase transition of the three-dimensional XY spin glass with a Gaussian coupling…

Disordered Systems and Neural Networks · Physics 2009-11-10 Enzo Granato

Capturing biological specimens at large scales with sub-micron resolution is crucial for biomedical research, but conventional cameras often can't handle the pixel requirements. While most microscopes use motorized stages to move samples…

Optics · Physics 2025-03-28 Charlie Kersuzan , Aymerick Bazin , Amaury Badon

Piezo-stepper actuators enable accurate positioning through the sequential contraction and expansion of piezoelectric elements, generating a walking motion. The aim of this paper is to reduce velocity ripples caused by parasitic effects,…

Systems and Control · Electrical Eng. & Systems 2025-03-18 Max van Meer , Tim van Meijel , Emile van Halsema , Edwin Verschueren , Gert Witvoet , Tom Oomen

We present a promising approach to the extremely fast sensing and correction of small wavefront errors in adaptive optics systems. As our algorithm's computational complexity is roughly proportional to the number of actuators, it is…

Instrumentation and Methods for Astrophysics · Physics 2016-11-26 Christoph U. Keller , Visa Korkiakoski , Niek Doelman , Rufus Fraanje , Raluca Andrei , Michel Verhaegen

The paper deals with the design of experiments for manipulator geometric and elastostatic calibration based on the test-pose approach. The main attention is paid to the efficiency improvement of numerical techniques employed in the…

Robotics · Computer Science 2013-11-27 Yier Wu , Alexandr Klimchik , Anatol Pashkevich , Stéphane Caro , Benoît Furet

The escalating demand for high-speed and high-precision machining in machine tool feed system has brought to the forefront the challenge of its design method. Currently, existing methodologies struggle to ascertain compliance with dynamic…

Systems and Control · Electrical Eng. & Systems 2024-10-15 Xuesong Wang , Yi Zhou , Dongsheng Zhang

Compared to rigid hands, underactuated compliant hands offer greater adaptability to object shapes, provide stable grasps, and are often more cost-effective. However, they introduce uncertainties in hand-object interactions due to their…

Robotics · Computer Science 2025-03-04 Osher Azulay , Dhruv Metha Ramesh , Nimrod Curtis , Avishai Sintov