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In the field of medical CT image processing, convolutional neural networks (CNNs) have been the dominant technique.Encoder-decoder CNNs utilise locality for efficiency, but they cannot simulate distant pixel interactions properly.Recent…

Image and Video Processing · Electrical Eng. & Systems 2022-11-03 Hongyang He , Feng Ziliang , Yuanhang Zheng , Shudong Huang , HaoBing Gao

Multi-Layer Perceptrons (MLP) are powerful tools for representing complex, non-linear relationships, making them essential for diverse machine learning and AI applications. Efficient hardware implementation of MLPs can be achieved through…

Hardware Architecture · Computer Science 2024-10-15 Maedeh Ghaderi , Arvin Delavari , Faraz Ghoreishy , Sattar Mirzakuchaki

Holography encodes the three dimensional (3D) information of a sample in the form of an intensity-only recording. However, to decode the original sample image from its hologram(s), auto-focusing and phase-recovery are needed, which are in…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Yichen Wu , Yair Rivenson , Yibo Zhang , Zhensong Wei , Harun Gunaydin , Xing Lin , Aydogan Ozcan

Multimodal information processing has become increasingly important for enhancing image classification performance. However, the intricate and implicit dependencies across different modalities often hinder conventional methods from…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Yang Qiao , Xiaoyu Zhong , Xiaofeng Gu , Zhiguo Yu

Medical image segmentation is one of the most fundamental tasks concerning medical information analysis. Various solutions have been proposed so far, including many deep learning-based techniques, such as U-Net, FC-DenseNet, etc. However,…

Image and Video Processing · Electrical Eng. & Systems 2022-07-08 Zihan Li , Dihan Li , Cangbai Xu , Weice Wang , Qingqi Hong , Qingde Li , Jie Tian

Observations from ground based telescopes are affected by the presence of the Earth atmosphere, which severely perturbs them. The use of adaptive optics techniques has allowed us to partly beat this limitation. However, image selection or…

Instrumentation and Methods for Astrophysics · Physics 2021-02-17 A. Asensio Ramos , N. Olspert

Production of entangled photon pairs is important in secure communication systems, quantum computing, and fundamental physics experiments. Achieving efficient generation of such photon pairs with low-loss parametric oscillators is a key…

Optics · Physics 2025-06-12 Andrey Matsko , Abdelkrim El Amili , Lute Maleki

High-power structured light has a wide range of applications, from material processing and high-capacity optical communications to programmable electron beams, plasmas, and nuclear states. On-demand generation of structured light and…

Cellular communication is a widely used technology in the world where the coverage area is divided into multiple cells. Interference is one of the most important challenges in cellular networks which causes problems by reducing the quality…

Information Theory · Computer Science 2022-08-30 Marzieh Arasteh , Narges Yarahmadi Gharaei , Mehrdad Ardebilipour

Photonic computing has the potential of harnessing the full degrees of freedom (DOFs) of the light field, including wavelength, spatial mode, spatial location, phase quadrature, and polarization, to achieve higher level of computation…

Optics · Physics 2024-02-13 Zheyuan Zhu , Raktim Sarma , Seth Smith-Dryden , Guifang Li , Shuo Pang

Confining light illumination in the three dimensions of space is a challenge for various applications. Among these, optogenetic methods developed for live experiments in cell biology would benefit from such a localized illumination as it…

Holographic near-eye displays are a promising technology to solve long-standing challenges in virtual and augmented reality display systems. Over the last few years, many different computer-generated holography (CGH) algorithms have been…

Graphics · Computer Science 2024-04-19 Dongyeon Kim , Seung-Woo Nam , Suyeon Choi , Jong-Mo Seo , Gordon Wetzstein , Yoonchan Jeong

High-content phenotypic screening, including high-content imaging (HCI), has gained popularity in the last few years for its ability to characterize novel therapeutics without prior knowledge of the protein target. When combined with deep…

Neural networks can very effectively perform multidimensional nonlinear classification. However, electronic networks suffer from significant bandwidth limitations due to carrier lifetimes and capacitive coupling. This project investigates…

Signal Processing · Electrical Eng. & Systems 2019-09-18 Ethan K. Gordon

Envisioning more compact and cost accessible astronomical instruments is now possible with existing photonic technologies like specialty optical fibres, photonic lanterns and ultrafast laser inscribed chips. We present an original design of…

Instrumentation and Methods for Astrophysics · Physics 2018-02-21 Itandehui Gris-Sánchez , Dionne M. Haynes , Katjana Ehrlich , Roger Haynes , Tim A. Birks

Correlative light-electron microscopy (CLEM) unifies the versatility of light microscopy (LM) with the high resolution of electron microscopy (EM), allowing one to zoom into the complex organization of cells. Most CLEM techniques use…

The rapidly decreasing computation and memory cost has recently driven the success of many applications in the field of deep learning. Practical applications of deep learning in resource-limited hardware, such as embedded devices and smart…

Computer Vision and Pattern Recognition · Computer Science 2019-10-25 Chunlei Liu , Wenrui Ding , Xin Xia , Baochang Zhang , Jiaxin Gu , Jianzhuang Liu , Rongrong Ji , David Doermann

As computing resource demands continue to escalate in the face of big data, cloud-connectivity and the internet of things, it has become imperative to develop new low-power, scalable architectures. Neuromorphic photonics, or photonic neural…

To train deep learning models, which often outperform traditional approaches, large datasets of a specified medium, e.g., images, are used in numerous areas. However, for light field-specific machine learning tasks, there is a lack of such…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Julia Huang , Toure Smith , Aloukika Patro , Vidhi Chhabra

Multimode fibers (MMFs) provide a compact, high-throughput platform for minimally invasive imaging and information transmission. However, their utility is fundamentally constrained by mode mixing, which renders image transmission spatially…

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