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Aerial manipulation requires force-aware capabilities to enable safe and effective grasping and physical interaction. Previous works often rely on heavy, expensive force sensors unsuitable for typical quadrotor platforms, or perform…

Robotics · Computer Science 2026-02-10 Kenghou Hoi , Yuze Wu , Annan Ding , Junjie Wang , Anke Zhao , Chengqian Zhang , Fei Gao

Additive manufacturing, such as 3D printing, offers unparalleled opportunities for rapid prototyping of complex three-dimensional objects, but typically requires simultaneous building of solid supports to minimize deformation and ensure…

Applied Physics · Physics 2022-10-18 Sam Keller , Matthew Stein , Ognjen Ilic

Deformable linear objects (e.g., cables, ropes, and threads) commonly appear in our everyday lives. However, perception of these objects and the study of physical interaction with them is still a growing area. There have already been…

Robotics · Computer Science 2023-04-11 Azarakhsh Keipour , Mohammadreza Mousaei , Maryam Bandari , Stefan Schaal , Sebastian Scherer

Data protection methods like cryptography, despite being effective, inadvertently signal the presence of secret communication, thereby drawing undue attention. Here, we introduce an optical information hiding camera integrated with an…

Optics · Physics 2024-06-13 Bijie Bai , Ryan Lee , Yuhang Li , Tianyi Gan , Yuntian Wang , Mona Jarrahi , Aydogan Ozcan

In recent years, printable graphical codes have attracted a lot of attention enabling a link between the physical and digital worlds, which is of great interest for the IoT and brand protection applications. The security of printable codes…

Cryptography and Security · Computer Science 2019-03-19 Olga Taran , Slavi Bonev , Slava Voloshynovskiy

Concealing objects by making them invisible to an external electromagnetic probe is coined by the term cloaking. Cloaking devices, having numerous potential applications, are still face challenges in realization, especially in the visible…

A generative AI model can generate extremely realistic-looking content, posing growing challenges to the authenticity of information. To address the challenges, watermark has been leveraged to detect AI-generated content. Specifically, a…

Machine Learning · Computer Science 2023-11-09 Zhengyuan Jiang , Jinghuai Zhang , Neil Zhenqiang Gong

Text recognition, especially for complex scripts like Chinese, faces unique challenges due to its intricate character structures and vast vocabulary. Traditional one-hot encoding methods struggle with the representation of hierarchical…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Yuyi Zhang , Yuanzhi Zhu , Dezhi Peng , Peirong Zhang , Zhenhua Yang , Zhibo Yang , Cong Yao , Lianwen Jin

Manipulating volumetric deformable objects in the real world, like plush toys and pizza dough, bring substantial challenges due to infinite shape variations, non-rigid motions, and partial observability. We introduce ACID, an…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Bokui Shen , Zhenyu Jiang , Christopher Choy , Leonidas J. Guibas , Silvio Savarese , Anima Anandkumar , Yuke Zhu

Metasurfaces can be designed to achieve prescribed functionality. Careful meta-atom design and arrangement achieve homogeneous and inhomogeneous layouts that can enable exceptional capabilities to manipulate incident waves. Inherently, the…

The world is abundant with diverse materials, each possessing unique surface appearances that play a crucial role in our daily perception and understanding of their properties. Despite advancements in technology enabling the capture and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Jiri Filip , Filip Dechterenko , Filipp Schmidt , Jiri Lukavsky , Veronika Vilimovska , Jan Kotera , Roland W. Fleming

This paper presents a data processing pipeline designed to extract information from the hyperspectral signature of unknown space objects. The methodology proposed in this paper determines the material composition of space objects from…

Instrumentation and Methods for Astrophysics · Physics 2024-01-30 Massimiliano Vasile , Lewis Walker , Andrew Campbell , Simao Marto , Paul Murray , Stephen Marshall , Vasili Savitski

Camouflaged Object Detection (COD) demands models to expeditiously and accurately distinguish objects which conceal themselves seamlessly in the environment. Owing to the subtle differences and ambiguous boundaries, COD is not only a…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Huafeng Chen , Dian Shao , Guangqian Guo , Shan Gao

The current design of aerodynamic shapes, like airfoils, involves computationally intensive simulations to explore the possible design space. Usually, such design relies on the prior definition of design parameters and places restrictions…

Computational Engineering, Finance, and Science · Computer Science 2023-07-07 Yuyang Wang , Kenji Shimada , Amir Barati Farimani

Due to its high communication efficiency, over-the-air computation (AirComp) has been expected to carry out various computing tasks in the next-generation wireless networks. However, up to now, most applications of AirComp are explored in…

Signal Processing · Electrical Eng. & Systems 2023-11-14 Xin Xie , Cunqinq Hua , Jianan Hong , Yuejun Wei

The ability to uniquely identify an object or device is important for authentication. Imperfections, locked into structures during fabrication, can be used to provide a fingerprint that is challenging to reproduce. In this paper, we propose…

Recent progress in large language models enables the creation of realistic machine-generated content. Watermarking is a promising approach to distinguish machine-generated text from human text, embedding statistical signals in the output…

Cryptography and Security · Computer Science 2026-02-25 Patrick Chao , Yan Sun , Edgar Dobriban , Hamed Hassani

Flexible robots have advantages over rigid robots in their ability to conform physically to their environment and to form a wide variety of shapes. Sensing the force applied by or to flexible robots is useful for both navigation and…

Robotics · Computer Science 2023-07-27 Michael R. Mitchell , Ciera McFarland , Margaret M. Coad

We propose an adaptive tracking algorithm where the object is modelled as a continuously updated bag of affine subspaces, with each subspace constructed from the object's appearance over several consecutive frames. In contrast to linear…

Computer Vision and Pattern Recognition · Computer Science 2016-02-08 Sareh Shirazi , Conrad Sanderson , Chris McCool , Mehrtash T. Harandi

Air-gapped systems are physically separated from external networks, including the Internet. This isolation is achieved by keeping the air-gap computers disconnected from wired or wireless networks, preventing direct or remote communication…

Cryptography and Security · Computer Science 2024-09-05 Mordechai Guri