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This paper presents a novel method for synthesizing new physical layer modulation and coding schemes for communications systems using a learning-based approach which does not require an analytic model of the impairments in the channel. It…

Signal Processing · Electrical Eng. & Systems 2018-03-09 Timothy J. O'Shea , Tamoghna Roy , Nathan West , Benjamin C. Hilburn

Deep optical optimization has recently emerged as a new paradigm for designing computational imaging systems using only the output image as the objective. However, it has been limited to either simple optical systems consisting of a single…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Xinge Yang , Qiang Fu , Wolfgang Heidrich

Deep learning has revolutionized the field of computer vision by introducing large scale neural networks with millions of parameters. Training these networks requires massive datasets and leads to intransparent models that can fail to…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Tom Fischer , Pascal Peter , Joachim Weickert , Eddy Ilg

This paper considers the problem of covert communication with mismatched decoding, in which a sender wishes to reliably communicate with a receiver whose decoder is fixed and possibly sub-optimal, and simultaneously to ensure that the…

Information Theory · Computer Science 2021-11-11 Qiaosheng Zhang , Vincent Y. F. Tan

Recent advances in image generation have made diffusion models powerful tools for creating high-quality images. However, their iterative denoising process makes understanding and interpreting their semantic latent spaces more challenging…

Computation and Language · Computer Science 2024-11-06 E. Zhixuan Zeng , Yuhao Chen , Alexander Wong

Deep learning has been a groundbreaking technology in various fields as well as in communications systems. In spite of the notable advancements of deep neural network (DNN) based technologies in recent years, the high computational…

Information Theory · Computer Science 2018-08-08 Minhoe Kim , Woonsup Lee , Jungmin Yoon , Ohyun Jo

We present a new deep learning approach for matching deformable shapes by introducing {\it Shape Deformation Networks} which jointly encode 3D shapes and correspondences. This is achieved by factoring the surface representation into (i) a…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Thibault Groueix , Matthew Fisher , Vladimir G. Kim , Bryan C. Russell , Mathieu Aubry

Light scattering and aberrations limit optical microscopy in biological tissue, which motivates the development of adaptive optics techniques. Here, we develop a method for adaptive optics with reflected light and deep neural networks…

Optics · Physics 2020-07-28 Ivan Vishniakou , Johannes D. Seelig

The ultimate goal of artificial intelligence is to mimic the human brain to perform decision-making and control directly from high-dimensional sensory input. Diffractive optical networks provide a promising solution for implementing…

Machine Learning · Computer Science 2024-05-31 Jumin Qiu , Shuyuan Xiao , Lujun Huang , Andrey Miroshnichenko , Dejian Zhang , Tingting Liu , Tianbao Yu

Bendable light beams have recently seen tremendous applications in optical manipulation, optical imaging, optical routing, micromachining, plasma generation and nonlinear optics. By exploiting curved light beams instead of traditional…

Optics · Physics 2018-01-25 Long Zhu , Andong Wang , Jian Wang

Multiple-input multiple-output (MIMO) techniques have recently demonstrated significant potentials in visible light communications (VLC), as they can overcome the modulation bandwidth limitation and provide substantial improvement in terms…

Information Theory · Computer Science 2017-02-07 Hanaa Marshoud , Paschalis C. Sofotasios , Sami Muhaidat , Bayan S. Sharif , George K. Karagiannidis

Privacy protection is a growing concern in the digital era, with machine vision techniques widely used throughout public and private settings. Existing methods address this growing problem by, e.g., encrypting camera images or…

We investigate the problem of pixelwise correspondence for deformable objects, namely cloth and rope, by comparing both classical and learning-based methods. We choose cloth and rope because they are traditionally some of the most difficult…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Priya Sundaresan , Aditya Ganapathi , Harry Zhang , Shivin Devgon

This paper studies a deep learning (DL) framework for the design of binary modulated visible light communication (VLC) transceiver with universal dimming support. The dimming control for the optical binary signal boils down to a…

Information Theory · Computer Science 2019-10-29 Hoon Lee , Tony Q. S. Quek , Sang Hyun Lee

Optical identification is often done with spatial or temporal visual pattern recognition and localization. Temporal pattern recognition, depending on the technology, involves a trade-off between communication frequency, range and accurate…

Computer Vision and Pattern Recognition · Computer Science 2024-05-08 Axel von Arnim , Jules Lecomte , Naima Elosegui Borras , Stanislaw Wozniak , Angeliki Pantazi

We present a learning-based approach for removing unwanted obstructions, such as window reflections, fence occlusions or raindrops, from a short sequence of images captured by a moving camera. Our method leverages the motion differences…

Computer Vision and Pattern Recognition · Computer Science 2020-04-03 Yu-Lun Liu , Wei-Sheng Lai , Ming-Hsuan Yang , Yung-Yu Chuang , Jia-Bin Huang

We propose a novel Deformed Implicit Field (DIF) representation for modeling 3D shapes of a category and generating dense correspondences among shapes. With DIF, a 3D shape is represented by a template implicit field shared across the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Yu Deng , Jiaolong Yang , Xin Tong

We report deep learning-based design of a massively parallel broadband diffractive neural network for all-optically performing a large group of arbitrarily-selected, complex-valued linear transformations between an input and output…

Neural and Evolutionary Computing · Computer Science 2023-01-10 Jingxi Li , Bijie Bai , Yi Luo , Aydogan Ozcan

Orthogonal optical coding is widely used in classical multiuser communication networks. Using the phase conjugation property of stimulated parametric down-conversion, we extend the current orthogonal optical coding scheme to the spatial…

Optics · Physics 2023-07-24 Yang Xu , Sirui Tang , A. Nicholas Black , Robert W. Boyd

Error correction code is a major part of the communication physical layer, ensuring the reliable transfer of data over noisy channels. Recently, neural decoders were shown to outperform classical decoding techniques. However, the existing…

Machine Learning · Computer Science 2022-03-30 Yoni Choukroun , Lior Wolf