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We introduce a compressive single-pixel imaging (SPI) framework for high-resolution image capture in fractions of a second. This framework combines a dedicated sampling strategy with a tailored reconstruction method to enable high-quality…

Image and Video Processing · Electrical Eng. & Systems 2025-09-03 Anna Pastuszczak , Rafał Stojek , Piotr Wróbel , Magdalena Cwojdzińska , Kacper Sobczak , Rafał Kotyński

Since the invention of digital cameras there has been a concerted drive towards detector arrays with higher spatial resolution. Microscanning is a technique that provides a final higher resolution image by combining multiple images of a…

Single-pixel imaging (SPI) is a novel technique capturing 2D images using a photodiode, instead of conventional 2D array sensors. SPI owns high signal-to-noise ratio, wide spectrum range, low cost, and robustness to light scattering.…

Computer Vision and Pattern Recognition · Computer Science 2017-12-12 Liheng Bian , Jinli Suo , Qionghai Dai , Feng Chen

Displaying the large number of bands in a hyper spectral image on a trichromatic monitor has been an active research topic. The visualized image shall convey as much information as possible form the original data and facilitate image…

Computer Vision and Pattern Recognition · Computer Science 2018-01-23 Danping Liao , Siyu Chen , Yuntao Qian

Hyperspectral cameras generate a large amount of data due to the presence of hundreds of spectral bands as opposed to only three channels (red, green, and blue) in traditional cameras. This requires a significant amount of data transmission…

Image and Video Processing · Electrical Eng. & Systems 2022-04-12 Gourav Datta , Zihan Yin , Ajey Jacob , Akhilesh R. Jaiswal , Peter A. Beerel

Quantum photonic devices operating in the single photon regime require the detection and characterization of quantum states of light. Chip-scale, waveguide-based devices are a key enabling technology for increasing the scale and complexity…

Quantum Physics · Physics 2023-07-12 Aveek Chandra , Shuin Jian Wu , Angelina Frank , James A. Grieve

Magnetic Resonance Imaging (MRI) is one of the most flexible and powerful medical imaging modalities. This flexibility does however come at a cost; MRI images acquired at different sites and with different parameters exhibit significant…

Single-Pixel Imaging (SPI) enables the reconstruction of objects using a single detector through sequential illuminations with structured light patterns. The choice of illumination patterns is critical, particularly in highly undersampled…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Serban Cristian Tudosie , Alexander Denker , Zeljko Kereta , Simon Arridge

Due to its ability to work in non-line-of-sight and low-light environments, radio frequency (RF) imaging technology is expected to bring new possibilities for embodied intelligence and multimodal sensing. However, widely used RF devices…

Image and Video Processing · Electrical Eng. & Systems 2025-04-23 Fei Shang , Haohua Du , Dawei Yan , Panlong Yang , Xiang-Yang Li

Single pixel imaging (SPI) is a novel technique being able to capture 2D images using a bucket detector with high signal-to-noise ratio, wide spectrum range and low cost. Conventional SPI projects random illumination patterns to randomly…

Optics · Physics 2016-07-19 Liheng Bian , Jinli Suo , Xuemei Hu , Feng Chen , Qionghai Dai

Clinical MRI frequently acquires anisotropic volumes with high in-plane resolution and low through-plane resolution to reduce acquisition time. Multiple orientations are therefore acquired to provide complementary anatomical information.…

Image and Video Processing · Electrical Eng. & Systems 2026-03-25 Heejong Kim , Abhishek Thanki , Roel van Herten , Daniel Margolis , Mert R Sabuncu

Near-infrared (NIR) hyperspectral imaging is widely used to reveal morphological and chemical information. However, conventional spectral imagers usually rely on costly focal plane arrays and suffer from data redundancy and inefficiencies…

Optics · Physics 2026-05-26 Ben Sun , Kun Huang , Zhibin Zhao , Beibei Dong , Jianan Fang , Heping Zeng

Hyperspectral imaging (HSI) is an advanced sensing modality that simultaneously captures spatial and spectral information, enabling non-invasive, label-free analysis of material, chemical, and biological properties. This Primer presents a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Danfeng Hong , Chenyu Li , Naoto Yokoya , Bing Zhang , Xiuping Jia , Antonio Plaza , Paolo Gamba , Jon Atli Benediktsson , Jocelyn Chanussot

Single-pixel imaging (SPI) is an emerging technique which has attracts wide attention in various research fields. However, restricted by the low reconstruction quality and large amount of measurements, the practical application is still in…

Image and Video Processing · Electrical Eng. & Systems 2018-11-09 Chao Deng , Xuemei Hu , Xiaoxu Li , Jinli Suo , Zhili Zhang , Qionghai Dai

Hyperspectral Image (HSI)s cover hundreds or thousands of narrow spectral bands, conveying a wealth of spatial and spectral information. However, due to the instrumental errors and the atmospheric changes, the HSI obtained in practice are…

Image and Video Processing · Electrical Eng. & Systems 2023-07-24 Shuo Li , Mehrdad Yaghoobi

Hyperspectral imaging is an important sensing technology with broad applications and impact in areas including environmental science, weather, and geo/space exploration. One important task of hyperspectral image (HSI) processing is the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Songyang Zhang , Qinwen Deng , Zhi Ding

Single-pixel imaging (SPI) is a promising imaging modality with distinctive advantages in strongly perturbed environments. Existing SPI methods lack physical sparsity constraints and overlook the integration of local and global features,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Jijun Lu , Yifan Chen , Libang Chen , Yiqiang Zhou , Ye Zheng , Mingliang Chen , Zhe Sun , Xuelong Li

Displaying the large number of bands in a hyper- spectral image (HSI) on a trichromatic monitor is important for HSI processing and analysis system. The visualized image shall convey as much information as possible from the original HSI and…

Computer Vision and Pattern Recognition · Computer Science 2017-12-06 Danping Liao , Yuntao Qian , Yuan Yan Tang

Spectral vision task plays a pivotal role in extracting discriminative spectral-spatial features from high-dimensional data, enabling fine-grained identification beyond human vision. Traditional methods usually involve first collecting rich…

Optics · Physics 2026-04-03 Jiaqi Song , Baolei Liu , Muchen Zhu , Yao Wang , Yue Yu , Zhaohua Yang , Xiaolan Zhong , Fan Wang

Poor lighting conditions significantly impact image quality, posing substantial challenges for image editing and visualization. Many existing enhancement methods aim at proposing complex models while neglecting the intrinsic information…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Xuanshuo Fu , Lei Kang , Javier Vazquez-Corral