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Related papers: Vision-Aided Beam Tracking: Explore the Proper Use…

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Algorithms for the estimation of gaze direction from mobile and video-based eye trackers typically involve tracking a feature of the eye that moves through the eye camera image in a way that covaries with the shifting gaze direction, such…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Kevin Barkevich , Reynold Bailey , Gabriel J. Diaz

The study of non-line-of-sight (NLOS) imaging is growing due to its many potential applications, including rescue operations and pedestrian detection by self-driving cars. However, implementing NLOS imaging on a moving camera remains an…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Shenbagaraj Kannapiran , Sreenithy Chandran , Suren Jayasuriya , Spring Berman

Model explanations such as saliency maps can improve user trust in AI by highlighting important features for a prediction. However, these become distorted and misleading when explaining predictions of images that are subject to systematic…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Wencan Zhang , Mariella Dimiccoli , Brian Y. Lim

Enhancing the visibility in extreme low-light environments is a challenging task. Under nearly lightless condition, existing image denoising methods could easily break down due to significantly low SNR. In this paper, we systematically…

Image and Video Processing · Electrical Eng. & Systems 2021-08-05 Kaixuan Wei , Ying Fu , Yinqiang Zheng , Jiaolong Yang

Beamforming structures with fixed beam codebooks provide economical solutions for millimeter wave (mmWave) communications due to the low hardware cost. However, the training overhead to search for the optimal beamforming configuration is…

Information Theory · Computer Science 2019-12-30 Ruichen Deng , Sheng Chen , Sheng Zhou , Zhisheng Niu , Wei Zhang

In wireless communication systems, mmWave beam tracking is a critical task that affects both sensing and communications, as it is related to the knowledge of the wireless channel. We consider a setup in which a Base Station (BS) needs to…

Signal Processing · Electrical Eng. & Systems 2023-06-28 Cristian J. Vaca-Rubio , Carles Navarro Manchón , Ramoni Adeogun , Petar Popovski

Machine-learning-based prediction of future wireless link quality is an emerging technique that can potentially improve the reliability of wireless communications, especially at higher frequencies (e.g., millimeter-wave and terahertz…

Networking and Internet Architecture · Computer Science 2022-02-11 Sohei Itahara , Takayuki Nishio , Masahiro Morikura , Koji Yamamoto

Eye image segmentation is a critical step in eye tracking that has great influence over the final gaze estimate. Segmentation models trained using supervised machine learning can excel at this task, their effectiveness is determined by the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Viet Dung Nguyen , Reynold Bailey , Gabriel J. Diaz , Chengyi Ma , Alexander Fix , Alexander Ororbia

Window width (WW) and window level (WL) adjustments aid in visualizing anatomies with a suitable contrast. However, the presence of background noise in MR images biases the calculation of default WW/WL values since it necessitates a…

Image and Video Processing · Electrical Eng. & Systems 2019-08-05 Deepthi Sundaran , Dheeraj Kulkarni , Jignesh Dholakia

The goal of blind image deblurring is to recover sharp image from one input blurred image with an unknown blur kernel. Most of image deblurring approaches focus on developing image priors, however, there is not enough attention to the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-13 Hang Yang , Xiaotian Wu , Xinglong Sun

Extremely large-scale massive multiple-input-multiple-output (XL-MIMO) is regarded as a promising technology for next-generation communication systems. In order to enhance the beamforming gains, codebook-based beam training is widely…

Information Theory · Computer Science 2022-09-29 Wang Liu , Hong Ren , Cunhua Pan , Jiangzhou Wang

In general, sufficient data is essential for the better performance and generalization of deep-learning models. However, lots of limitations(cost, resources, etc.) of data collection leads to lack of enough data in most of the areas. In…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Byeongjo Kim , Chanran Kim , Jaehoon Lee , Jein Song , Gyoungsoo Park

Images acquired by computer vision systems under low light conditions have multiple characteristics like high noise, lousy illumination, reflectance, and bad contrast, which make object detection tasks difficult. Much work has been done to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Winston Chen , Tejas Shah

Image captioning is a research area of immense importance, aiming to generate natural language descriptions for visual content in the form of still images. The advent of deep learning and more recently vision-language pre-training…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Taraneh Ghandi , Hamidreza Pourreza , Hamidreza Mahyar

Millimeter-wave (mmwave) communication represents a potential solution to capacity shortage in vehicular networks. However, effective beam alignment between senders and receivers requires accurate knowledge of the vehicles' position for…

Networking and Internet Architecture · Computer Science 2020-05-21 Zana Limani , Francesco Malandrino , Carla Fabiana Chiasserini , Alessandro Nordio

Model explanations such as saliency maps can improve user trust in AI by highlighting important features for a prediction. However, these become distorted and misleading when explaining predictions of images that are subject to systematic…

Human-Computer Interaction · Computer Science 2022-03-02 Wencan Zhang , Mariella Dimiccoli , Brian Y. Lim

Deep learning methods have proven extremely effective at performing a variety of medical image analysis tasks. With their potential use in clinical routine, their lack of transparency has however been one of their few weak points, raising…

Computer Vision and Pattern Recognition · Computer Science 2020-03-23 Minh H. Vu , Tommy Löfstedt , Tufve Nyholm , Raphael Sznitman

Millimeter wave (mmWave) is an attractive candidate for high-speed mobile communications in the future. However, due to the propagation characteristics of mmWave, beam and and and and alignment becomes a key challenge for serving users with…

Information Theory · Computer Science 2019-07-03 Yu Liu , Jiahui Li , Yin Sun , Shidong Zhou

In this work we investigate the use of deep learning for distortion-generic blind image quality assessment. We report on different design choices, ranging from the use of features extracted from pre-trained Convolutional Neural Networks…

Computer Vision and Pattern Recognition · Computer Science 2018-10-03 Simone Bianco , Luigi Celona , Paolo Napoletano , Raimondo Schettini

The sparsity and the severe attenuation of millimeter-wave (mmWave) channel imply that highly directional communication is needed. The narrow beam produced by large array requires accurate alignment, which is difficult to achieve when…

Information Theory · Computer Science 2020-12-03 Yu Liu , Jiahui Li , Xiujun Zhang , Shidong Zhou