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Whole slide imaging (WSI) has recently been cleared for primary diagnosis in the US. A critical challenge of WSI is to perform accurate focusing in high speed. Traditional systems create a focus map prior to scanning. For each focus point…

Computer Vision and Pattern Recognition · Computer Science 2019-04-26 Jun Liao , Yutong Jiang , Zichao Bian , Bahareh Mahrou , Aparna Nambiar , Alexander W. Magsam , Kaikai Guo , Yong Ku Cho , Guoan Zheng

Whole slide imaging (WSI) is an emerging technology for digital pathology. The process of autofocusing is the main influence of the performance of WSI. Traditional autofocusing methods either are time-consuming due to repetitive mechanical…

Image and Video Processing · Electrical Eng. & Systems 2020-03-17 Qiang Li , Xianming Liu , Kaige Han , Cheng Guo , Xiangyang Ji , Xiaolin Wu

Background: The use of whole slide imaging (WSI) for digital pathology has recently been cleared for primary diagnosis in the US. A conventional WSI system scans the tissue slide to different positions and acquires the digital images. In a…

Image and Video Processing · Electrical Eng. & Systems 2019-07-26 Shaowei Jiang , Zichao Bian , Xizhi Huang , Pengming Song , He Zhang , Yongbing Zhang , Guoan Zheng

While Whole Slide Imaging (WSI) scanners remain the gold standard for digitizing pathology samples, their high cost limits accessibility in many healthcare settings. Other low-cost solutions also face critical limitations: automated…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Yousef Yeganeh , Maximilian Frantzen , Michael Lee , Kun-Hsing Yu , Nassir Navab , Azade Farshad

Recent advancements in whole slide imaging (WSI) have moved pathology closer to digital practice. Existing systems require precise mechanical control and the cost is prohibitive for most individual pathologists. Here we report a low-cost…

Image and Video Processing · Electrical Eng. & Systems 2019-12-30 Chengfei Guo , Zichao Bian , Shaowei Jiang , Michael Murphy , Jiakai Zhu , Ruihai Wang , Pengming Song , Xiaopeng Shao , Yongbing Zhang , Guoan Zheng

With the development of computer-aided diagnosis (CAD) and image scanning technology, Whole-slide Image (WSI) scanners are widely used in the field of pathological diagnosis. Therefore, WSI analysis has become the key to modern digital…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Chen Li , Xintong Li , Md Rahaman , Xiaoyan Li , Hongzan Sun , Hong Zhang , Yong Zhang , Xiaoqi Li , Jian Wu , Yudong Yao , Marcin Grzegorzek

Whole slide image (WSI) registration is an essential task for analysing the tumour microenvironment (TME) in histopathology. It involves the alignment of spatial information between WSIs of the same section or serial sections of a tissue…

Image and Video Processing · Electrical Eng. & Systems 2025-02-27 Behnaz Elhaminia , Abdullah Alsalemi , Esha Nasir , Mostafa Jahanifar , Ruqayya Awan , Lawrence S. Young , Nasir M. Rajpoot , Fayyaz Minhas , Shan E Ahmed Raza

Autofocus is necessary for high-throughput and real-time scanning in microscopic imaging. Traditional methods rely on complex hardware or iterative hill-climbing algorithms. Recent learning-based approaches have demonstrated remarkable…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Yongping Zhai , Xiaoxi Fu , Qiang Su , Jia Hu , Yake Zhang , Yunfeng Zhou , Chaofan Zhang , Xiao Li , Wenxin Wang , Dongdong Wu , Shen Yan

Hyperspectral imaging (HSI) captures a greater level of spectral detail than traditional optical imaging, making it a potentially valuable intraoperative tool when precise tissue differentiation is essential. Hardware limitations of current…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Charlie Budd , Jianrong Qiu , Oscar MacCormac , Martin Huber , Christopher Mower , Mirek Janatka , Théo Trotouin , Jonathan Shapey , Mads S. Bergholt , Tom Vercauteren

Automatic medical image segmentation has wide applications for disease diagnosing. However, it is much more challenging than natural optical image segmentation due to the high-resolution of medical images and the corresponding huge…

Computer Vision and Pattern Recognition · Computer Science 2020-12-18 Ziqiang Li , Rentuo Tao , Qianrun Wu , Bin Li

Whole slide images (WSIs) are gigapixel-scale digital images of H\&E-stained tissue samples widely used in pathology. The substantial size and complexity of WSIs pose unique analytical challenges. Multiple Instance Learning (MIL) has…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Jun Wang , Yu Mao , Nan Guan , Chun Jason Xue

We report the development of a multichannel microscopy for whole-slide multiplane, multispectral, and phase imaging. We use trinocular heads to split the beam path into 6 independent channels and employ a camera array for parallel data…

Instrumentation and Detectors · Physics 2017-08-24 Jun Liao , Zhe Wang , Zibang Zhang , Zichao Bian , Kaikai Guo , Aparna Nambiar , Yutong Jiang , Shaowei Jiang , Jingang Zhong , Michael Choma , Guoan Zheng

Despite remarkable efforts been made, the classification of gigapixels whole-slide image (WSI) is severely restrained from either the constrained computing resources for the whole slides, or limited utilizing of the knowledge from different…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Ming Feng , Kele Xu , Nanhui Wu , Weiquan Huang , Yan Bai , Changjian Wang , Huaimin Wang

Histopathology whole slide images (WSIs) play a very important role in clinical studies and serve as the gold standard for many cancer diagnoses. However, generating automatic tools for processing WSIs is challenging due to their enormous…

Computer Vision and Pattern Recognition · Computer Science 2022-09-28 Jingwei Zhang , Xin Zhang , Ke Ma , Rajarsi Gupta , Joel Saltz , Maria Vakalopoulou , Dimitris Samaras

Deep learning methods such as convolutional neural networks (CNNs) are difficult to directly utilize to analyze whole slide images (WSIs) due to the large image dimensions. We overcome this limitation by proposing a novel two-stage…

Image and Video Processing · Electrical Eng. & Systems 2021-06-15 Shivam Kalra , Mohammed Adnan , Sobhan Hemati , Taher Dehkharghanian , Shahryar Rahnamayan , Hamid Tizhoosh

Whole Slide Imaging (WSI) is a cornerstone of digital pathology, offering detailed insights critical for diagnosis and research. Yet, the gigapixel size of WSIs imposes significant computational challenges, limiting their practical utility.…

Image and Video Processing · Electrical Eng. & Systems 2024-11-15 Ravi Kant Gupta , Shounak Das , Amit Sethi

Digital whole slide images (WSIs) are generally captured at microscopic resolution and encompass extensive spatial data. Directly feeding these images to deep learning models is computationally intractable due to memory constraints, while…

Image and Video Processing · Electrical Eng. & Systems 2024-11-22 Manahil Raza , Ruqayya Awan , Raja Muhammad Saad Bashir , Talha Qaiser , Nasir M. Rajpoot

Autofocus (AF) methods are extensively used in biomicroscopy, for example to acquire timelapses, where the imaged objects tend to drift out of focus. AD algorithms determine an optimal distance by which to move the sample back into the…

Image and Video Processing · Electrical Eng. & Systems 2021-01-14 Adrian Shajkofci , Michael Liebling

In modern cancer diagnostics, Whole Slide Imaging (WSI) is widely used to digitize tissue specimens for detailed, high-resolution examination; however, other diagnostic approaches, such as liquid biopsy and molecular testing, are also…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Seyed Kahaki , Alexander R. Webber , Ghada Zamzmi , Adarsh Subbaswamy , Rucha Deshpande , Aldo Badano

Automation in optical microscopy is critical for enabling high-throughput imaging across a wide range of biomedical applications. Among the essential components of automated systems, robust autofocusing plays a pivotal role in maintaining…

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