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The trend towards higher resolution remote sensing imagery facilitates a transition from land-use classification to object-level scene understanding. Rather than relying purely on spectral content, appearance-based image features come into…

Computer Vision and Pattern Recognition · Computer Science 2016-06-09 Jamie Sherrah

Deep Convolutional Neural Networks~(CNNs) offer remarkable performance of classifications and regressions in many high-dimensional problems and have been widely utilized in real-word cognitive applications. However, high computational cost…

Computer Vision and Pattern Recognition · Computer Science 2018-09-10 Chuhan Min , Aosen Wang , Yiran Chen , Wenyao Xu , Xin Chen

The leading difficulty in achieving the contrast necessary to directly image exoplanets and associated structures (eg. protoplanetary disks) at wavelengths ranging from the visible to the infrared are quasi-static speckles, and they are…

Instrumentation and Methods for Astrophysics · Physics 2021-10-04 Richard A Frazin , Alexander T Rodack

Deep neural networks have been applied to improve the image quality of fluorescence microscopy imaging. Previous methods are based on convolutional neural networks (CNNs) which generally require more time-consuming training of separate…

High image resolution is critical to obtain a good performance in many computer vision applications. Computational complexity of CNNs, however, grows significantly with the increase in input image size. Here, we show that it is almost…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Ali Borji

We propose a high-performance fully convolutional neural network (FCN) for historical document segmentation that is designed to process a single page in one step. The advantage of this model beside its speed is its ability to directly learn…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Christoph Wick , Frank Puppe

Convolutional Neural Networks (CNNs) are widely used in fault diagnosis of mechanical systems due to their powerful feature extraction and classification capabilities. However, the CNN is a typical black-box model, and the mechanism of…

Artificial Intelligence · Computer Science 2024-03-12 Qian Chen , Xingjian Dong , Guowei Tu , Dong Wang , Baoxuan Zhao , Zhike Peng

The pyramid wavefront sensor (PyWFS) has become increasingly popular to use in adaptive optics (AO) systems due to its high sensitivity. The main drawback of the PyWFS is that it is inherently nonlinear, which means that classic linear…

Instrumentation and Methods for Astrophysics · Physics 2023-11-07 Alison P. Wong , Barnaby R. M. Norris , Vincent Deo , Peter G. Tuthill , Richard Scalzo , David Sweeney , Kyohoon Ahn , Julien Lozi , Sebastien Vievard , Olivier Guyon

Convolutional neural networks (CNNs) have been widely deployed in the fields of computer vision and pattern recognition because of their high accuracy. However, large convolution operations are computing-intensive that often requires a…

Signal Processing · Electrical Eng. & Systems 2018-09-10 Lin Bai , Yiming Zhao , Xinming Huang

Consistent operation of adaptive optics (AO) systems requires the use of a wavefront sensor (WFS) with high sensitivity and low noise. The nonlinear curvature WFS (nlCWFS) has been shown both in simulations and lab experiments to be more…

Instrumentation and Methods for Astrophysics · Physics 2023-12-05 Sam Potier , Justin Crepp , Stanimir Letchev

The growing demand for real-time processing in artificial intelligence applications, particularly those involving Convolutional Neural Networks (CNNs), has highlighted the need for efficient computational solutions. Conventional processors,…

Hardware Architecture · Computer Science 2025-10-16 Angelos Athanasiadis , Nikolaos Tampouratzis , Ioannis Papaefstathiou

Existing fixed pattern noise reduction (FPNR) methods are easily affected by the motion state of the scene and working condition of the image sensor, which leads to over smooth effects, ghosting artifacts as well as slow convergence rate.…

Image and Video Processing · Electrical Eng. & Systems 2019-10-23 Juntao Guan , Rui Lai , Ai Xiong , Zesheng Liu , Lin Gu

Deep neural networks are often not robust to semantically-irrelevant changes in the input. In this work we address the issue of robustness of state-of-the-art deep convolutional neural networks (CNNs) against commonly occurring distortions…

Computer Vision and Pattern Recognition · Computer Science 2020-12-03 Nikhil Kapoor , Chun Yuan , Jonas Löhdefink , Roland Zimmermann , Serin Varghese , Fabian Hüger , Nico Schmidt , Peter Schlicht , Tim Fingscheidt

Convolutional neural networks (CNNs) have recently demonstrated superior quality for computational imaging applications. Therefore, they have great potential to revolutionize the image pipelines on cameras and displays. However, it is…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-10-15 Chao-Tsung Huang , Yu-Chun Ding , Huan-Ching Wang , Chi-Wen Weng , Kai-Ping Lin , Li-Wei Wang , Li-De Chen

Face recognition is one of the most active tasks in computer vision and has been widely used in the real world. With great advances made in convolutional neural networks (CNN), lots of face recognition algorithms have achieved high accuracy…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Jiehua Zhang , Zhuo Su , Li Liu

In recent years, deep convolutional neural networks (CNN) have significantly advanced face detection. In particular, lightweight CNNbased architectures have achieved great success due to their lowcomplexity structure facilitating real-time…

Computer Vision and Pattern Recognition · Computer Science 2023-02-24 Guangtao Wang , Jun Li , Zhijian Wu , Jianhua Xu , Jifeng Shen , Wankou Yang

This paper presents a comprehensive review of recent advances in deploying convolutional neural networks (CNNs) for object detection, classification, and tracking on Field Programmable Gate Arrays (FPGAs). With the increasing demand for…

Hardware Architecture · Computer Science 2025-09-05 Safa Mohammed Sali , Mahmoud Meribout , Ashiyana Abdul Majeed

In recent years deep learning algorithms have shown extremely high performance on machine learning tasks such as image classification and speech recognition. In support of such applications, various FPGA accelerator architectures have been…

Machine Learning · Computer Science 2017-05-09 Xinyu Zhang , Srinjoy Das , Ojash Neopane , Ken Kreutz-Delgado

The direct imaging of potentially habitable exoplanets is one prime science case for high-contrast imaging instruments on extremely large telescopes. Most such exoplanets orbit close to their host stars, where their observation is limited…

Instrumentation and Methods for Astrophysics · Physics 2026-05-27 Jalo Nousiainen , Iremsu Taskin , Markus Kasper , Gilles Orban De Xivry , Olivier Absil

Deep learning, in particular Convolutional Neural Network (CNN), has achieved promising results in face recognition recently. However, it remains an open question: why CNNs work well and how to design a 'good' architecture. The existing…

Computer Vision and Pattern Recognition · Computer Science 2015-04-10 Guosheng Hu , Yongxin Yang , Dong Yi , Josef Kittler , William Christmas , Stan Z. Li , Timothy Hospedales