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Using control barrier functions (CBFs) as safety filters provides a computationally inexpensive yet effective method for constructing controllers in safety-critical applications. However, using CBFs requires the construction of a valid CBF,…

Systems and Control · Electrical Eng. & Systems 2024-02-15 Bolun Dai , Prashanth Krishnamurthy , Farshad Khorrami

Modern malware evolves various detection avoidance techniques to bypass the state-of-the-art detection methods. An emerging trend to deal with this issue is the combination of image transformation and machine learning techniques to classify…

Cryptography and Security · Computer Science 2019-09-17 Duc-Ly Vu , Trong-Kha Nguyen , Tam V. Nguyen , Tu N. Nguyen , Fabio Massacci , Phu H. Phung

Recently deep learning-based methods have been applied in image compression and achieved many promising results. In this paper, we propose an improved hybrid layered image compression framework by combining deep learning and the traditional…

Image and Video Processing · Electrical Eng. & Systems 2022-06-22 Haisheng Fu , Feng Liang , Bo Lei , Nai Bian , Qian zhang , Mohammad Akbari , Jie Liang , Chengjie Tu

In many engineering and applied science domains, high-dimensional nonlinear filtering is still a challenging problem. Recent advances in score-based diffusion models offer a promising alternative for posterior sampling but require repeated…

Machine Learning · Computer Science 2025-09-25 Zhijun Zeng , Weiye Gan , Junqing Chen , Zuoqiang Shi

Computational virtual high-throughput screening (VHTS) with density functional theory (DFT) and machine-learning (ML)-acceleration is essential in rapid materials discovery. By necessity, efficient DFT-based workflows are carried out with a…

Materials Science · Physics 2021-06-25 Chenru Duan , Shuxin Chen , Michael G. Taylor , Fang Liu , Heather J. Kulik

Collaborative Filtering (CF) based recommendation methods have been widely studied, which can be generally categorized into two types, i.e., representation learning-based CF methods and matching function learning-based CF methods.…

Information Retrieval · Computer Science 2021-04-13 Zi-Yuan Hu , Jin Huang , Zhi-Hong Deng , Chang-Dong Wang , Ling Huang , Jian-Huang Lai , Philip S. Yu

As a crucial part of the spectral filter array (SFA)-based multispectral imaging process, spectral demosaicing has exploded with the proliferation of deep learning techniques. However, (1) bothering by the difficulty of capturing…

Image and Video Processing · Electrical Eng. & Systems 2025-03-05 Jiahui Luo , Kai Feng , Haijin Zeng , Yongyong Chen

Fourier ptychographic microscopy (FPM) is a computational approach geared towards creating high-resolution and large field-of-view images without mechanical scanning. To acquire color images of histology slides, it often requires sequential…

Image and Video Processing · Electrical Eng. & Systems 2020-10-28 Ruihai Wang , Pengming Song , Shaowei Jiang , Chenggang Yan , Jiakai Zhu , Chengfei Guo , Zichao Bian , Tianbo Wang , Guoan Zheng

Image demoireing is a multi-faceted image restoration task involving both texture and color restoration. In this paper, we propose a novel multiscale bandpass convolutional neural network (MBCNN) to address this problem. As an end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Bolun Zheng , Shanxin Yuan , Gregory Slabaugh , Ales Leonardis

An efficient way to learn deep density models that have many layers of latent variables is to learn one layer at a time using a model that has only one layer of latent variables. After learning each layer, samples from the posterior…

Machine Learning · Computer Science 2012-06-22 Yichuan Tang , Ruslan Salakhutdinov , Geoffrey Hinton

Change detection has been a hotspot in remote sensing technology for a long time. With the increasing availability of multi-temporal remote sensing images, numerous change detection algorithms have been proposed. Among these methods, image…

Computer Vision and Pattern Recognition · Computer Science 2019-09-06 Bo Du , Lixiang Ru , Chen Wu , Liangpei Zhang

Convolution neural networks (CNNs) based methods have dominated the low-light image enhancement tasks due to their outstanding performance. However, the convolution operation is based on a local sliding window mechanism, which is difficult…

Computer Vision and Pattern Recognition · Computer Science 2022-02-17 Keqi Wang , Ziteng Cui , Jieru Jia , Hao Xu , Ge Wu , Yin Zhuang , Lu Chen , Zhiguo Hu , Yuhua Qian

Foundation Models (FMs) have been successful in various computer vision tasks like image classification, object detection and image segmentation. However, these tasks remain challenging when these models are tested on datasets with…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Julian D. Santamaria , Claudia Isaza , Jhony H. Giraldo

Deep learning techniques provide a plausible route towards achieving practical imaging through multimode fibers. The results produced by these methods are often influenced by physical factors like temperature, fiber length, external…

Optics · Physics 2024-03-14 Jawaria Maqbool , Syed Talal Hassan , M. Imran Cheema

Delay-and-sum (DAS) algorithms are widely used for beamforming in linear array photoacoustic imaging systems and are characterized by fast execution. However, these algorithms suffer from various drawbacks like low resolution, low contrast,…

Medical Physics · Physics 2021-07-29 Souradip Paul , Subhamoy Mandal , Mayanglambam Suheshkumar Singh

In Photoacoustic imaging (PAI), the most prevalent beamforming algorithm is delay-and-sum (DAS) due to its simple implementation. However, it results in a low quality image affected by the high level of sidelobes. Coherence factor (CF) can…

Signal Processing · Electrical Eng. & Systems 2017-10-10 Moein Mozaffarzadeh , Mohammad Mehrmohammadi , Bahador Makkiabadi

Neural networks (NN) have demonstrated remarkable capabilities in various tasks, but their computation-intensive nature demands faster and more energy-efficient hardware implementations. Optics-based platforms, using technologies such as…

Control Barrier Functions (CBFs) have emerged as a prominent approach to designing safe navigation systems of robots. Despite their popularity, current CBF-based methods exhibit some limitations: optimization-based safe control techniques…

Robotics · Computer Science 2026-03-17 Junjun Xie , Shuhao Zhao , Liang Hu , Huijun Gao

Conventional cameras, such as in smartphones, capture wideband red, green and blue (RGB) spectral components, replicating human vision. Multispectral imaging (MSI) captures spatial and spectral information beyond our vision but typically…

Automatic color enhancement is aimed to adaptively adjust photos to expected styles and tones. For current learned methods in this field, global harmonious perception and local details are hard to be well-considered in a single model…

Computer Vision and Pattern Recognition · Computer Science 2019-07-23 Chaowei Shan , Zhizheng Zhang , Zhibo Chen