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Nonreciprocal devices are indispensable for building quantum networks and ubiquitous in modern communication technology. Here, we use optomechanical interaction and linearly-coupled interaction to realize optical nonreciprocal transmission…

量子物理 · 物理学 2019-09-12 Xiao-Bo Yan , He-Lin Lu , Feng Gao , Liu Yang

Under spatially-coherent light, a diffractive optical network composed of structured surfaces can be designed to perform any arbitrary complex-valued linear transformation between its input and output fields-of-view (FOVs) if the total…

光学 · 物理学 2023-08-17 Md Sadman Sakib Rahman , Xilin Yang , Jingxi Li , Bijie Bai , Aydogan Ozcan

In recent years, deep learning models have revolutionized medical image interpretation, offering substantial improvements in diagnostic accuracy. However, these models often struggle with challenging images where critical features are…

计算机视觉与模式识别 · 计算机科学 2023-07-03 Pradeep Singh , Kishore Babu Nampalle , Uppala Vivek Narayan , Balasubramanian Raman

Recurrent neural networks are powerful tools for handling incomplete data problems in computer vision, thanks to their significant generative capabilities. However, the computational demand for these algorithms is too high to work in real…

计算机视觉与模式识别 · 计算机科学 2015-05-07 Ozgur Yilmaz

The optics of correlated disordered media is a fascinating research topic emerging at the interface between the physics of waves in complex media and nanophotonics. Inspired by photonic structures in nature and enabled by advances in…

The paper introduces a novel, holistic approach for robust Screen-Camera Communication (SCC), where video content on a screen is visually encoded in a human-imperceptible fashion and decoded by a camera capturing images of such screen…

计算机视觉与模式识别 · 计算机科学 2021-05-13 Vu Tran , Gihan Jayatilaka , Ashwin Ashok , Archan Misra

We present DEF-oriCORN, a framework for language-directed manipulation tasks. By leveraging a novel object-based scene representation and diffusion-model-based state estimation algorithm, our framework enables efficient and robust…

机器人学 · 计算机科学 2024-08-01 Dongwon Son , Sanghyeon Son , Jaehyung Kim , Beomjoon Kim

The manual annotation for large-scale point clouds is still tedious and unavailable for many harsh real-world tasks. Self-supervised learning, which is used on raw and unlabeled data to pre-train deep neural networks, is a promising…

计算机视觉与模式识别 · 计算机科学 2022-10-31 Junsheng Zhou , Xin Wen , Baorui Ma , Yu-Shen Liu , Yue Gao , Yi Fang , Zhizhong Han

The growing demands of artificial intelligence and immersive media require communication beyond bit-level accuracy to meaning awareness. Conventional optical systems that focused on syntactic precision suffer significant inefficiencies.…

Optical Wireless Communication (OWC) is regarded as an auspicious communication approach that can outperform the existing wireless technology. It utilizes LED lights, whose subtle variation in radiant intensity generate a binary data…

机器人学 · 计算机科学 2022-05-10 Fadi Al-Turjman , Diletta Cacciagrano , Leonardo Mostarda , Mattia Paccamiccio , Zaib Ullah

Light beams carrying orbital angular momentum (OAM) possess an unbounded set of orthogonal modes, offering significant potential for optical communication and security. However, exploiting OAM beams in space has been hindered by the lack of…

Application-specific optical processors have been considered disruptive technologies for modern computing that can fundamentally accelerate the development of artificial intelligence (AI) by offering substantially improved computing…

图像与视频处理 · 电气工程与系统科学 2021-05-26 Tiankuang Zhou , Xing Lin , Jiamin Wu , Yitong Chen , Hao Xie , Yipeng Li , Jintao Fan , Huaqiang Wu , Lu Fang , Qionghai Dai

Depth of field is an important factor of imaging systems that highly affects the quality of the acquired spatial information. Extended depth of field (EDoF) imaging is a challenging ill-posed problem and has been extensively addressed in…

图像与视频处理 · 电气工程与系统科学 2020-05-27 Ugur Akpinar , Erdem Sahin , Monjurul Meem , Rajesh Menon , Atanas Gotchev

Occlusion is an inevitable and critical problem in unsupervised optical flow learning. Existing methods either treat occlusions equally as non-occluded regions or simply remove them to avoid incorrectness. However, the occlusion regions can…

计算机视觉与模式识别 · 计算机科学 2020-07-01 Kunming Luo , Chuan Wang , Nianjin Ye , Shuaicheng Liu , Jue Wang

It is difficult for free space optical communication to be applied in mobile communication due to the obstruction of obstacles in the environment, which is expected to be solved by reconfigurable intelligent surface technology. The…

系统与控制 · 电气工程与系统科学 2020-01-17 Haibo Wang , Zaichen Zhang , Bingcheng Zhu , Jian Dang , Liang Wu , Lei Wang , Kehan Zhang , Yidi Zhang

Optical communication is the standard for high-bandwidth information transfer in today's digital age. The increasing demand for bandwidth has led to the maturation of coherent transceivers that use phase- and amplitude-modulated optical…

量子物理 · 物理学 2024-09-24 John Crossman , Spencer Dimitroff , Lukasz Cincio , Mohan Sarovar

Neural representations have emerged as a new paradigm for applications in rendering, imaging, geometric modeling, and simulation. Compared to traditional representations such as meshes, point clouds, or volumes they can be flexibly…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Julien N. P. Martel , David B. Lindell , Connor Z. Lin , Eric R. Chan , Marco Monteiro , Gordon Wetzstein

State-of-the-art fully intrinsic networks for non-rigid shape matching often struggle to disambiguate the symmetries of the shapes leading to unstable correspondence predictions. Meanwhile, recent advances in the functional map framework…

计算机视觉与模式识别 · 计算机科学 2022-04-29 Nicolas Donati , Etienne Corman , Maks Ovsjanikov

Recent work has shown that deep neural networks are highly sensitive to tiny perturbations of input images, giving rise to adversarial examples. Though this property is usually considered a weakness of learned models, we explore whether it…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Jiren Zhu , Russell Kaplan , Justin Johnson , Li Fei-Fei

Super-resolution (SR) and image generation are important tasks in computer vision and are widely adopted in real-world applications. Most existing methods, however, generate images only at fixed-scale magnification and suffer from…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Jinseok Kim , Tae-Kyun Kim