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Facial alignment involves finding a set of landmark points on an image with a known semantic meaning. However, this semantic meaning of landmark points is often lost in 2D approaches where landmarks are either moved to visible boundaries or…

Computer Vision and Pattern Recognition · Computer Science 2017-09-11 Chandrasekhar Bhagavatula , Chenchen Zhu , Khoa Luu , Marios Savvides

Recent advances in computational pathology have leveraged vision-language models to learn joint representations of Hematoxylin and Eosin (HE) images with spatial transcriptomic (ST) profiles. However, existing approaches typically align HE…

Whole Slide Images (WSIs) are high-resolution digital scans widely used in medical diagnostics. WSI classification is typically approached using Multiple Instance Learning (MIL), where the slide is partitioned into tiles treated as…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Sharon Peled , Yosef E. Maruvka , Moti Freiman

We propose spatial semantic embedding network (SSEN), a simple, yet efficient algorithm for 3D instance segmentation using deep metric learning. The raw 3D reconstruction of an indoor environment suffers from occlusions, noise, and is…

Computer Vision and Pattern Recognition · Computer Science 2020-07-08 Dongsu Zhang , Junha Chun , Sang Kyun Cha , Young Min Kim

Identifying objective neuroimaging biomarkers to forecast Alzheimer's disease (AD) progression is crucial for timely intervention. However, this task remains challenging due to the complex dysfunctions in the spatio-temporal characteristics…

In oncology research, accurate 3D segmentation of lesions from CT scans is essential for the modeling of lesion growth kinetics. However, following the RECIST criteria, radiologists routinely only delineate each lesion on the axial slice…

Image and Video Processing · Electrical Eng. & Systems 2023-09-06 Shaoyan Pan , Yiqiao Liu , Sarah Halek , Michal Tomaszewski , Shubing Wang , Richard Baumgartner , Jianda Yuan , Gregory Goldmacher , Antong Chen

Semantic image segmentation (SiS) plays a fundamental role in a broad variety of computer vision applications, providing key information for the global understanding of an image. This survey is an effort to summarize two decades of research…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Gabriela Csurka , Riccardo Volpi , Boris Chidlovskii

Background: Spatial transcriptomics have emerged as a powerful tool in biomedical research because of its ability to capture both the spatial contexts and abundance of the complete RNA transcript profile in organs of interest. However,…

Genomics · Quantitative Biology 2025-04-18 Shuo Shuo Liu , Shikun Wang , Yuxuan Chen , Anil K. Rustgi , Ming Yuan , Jianhua Hu

Magnetic resonance imaging (MRI) provides detailed soft-tissue characteristics that assist in disease diagnosis and screening. However, the accuracy of clinical practice is often hindered by missing or unusable slices due to various…

Image and Video Processing · Electrical Eng. & Systems 2025-08-12 Junkai Liu , Nay Aung , Theodoros N. Arvanitis , Stefan K. Piechnik , Joao A C Lima , Steffen E. Petersen , Le Zhang

Whole-slide images (WSIs) are fundamental for computational pathology, where accurate lesion segmentation is critical for clinical decision making. Existing methods partition WSIs into discrete patches, disrupting spatial continuity and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Yunheng Wu , Wenqi Huang , Liangyi Wang , Masahiro Oda , Yuichiro Hayashi , Daniel Rueckert , Kensaku Mori

Three-dimensional X-ray histology techniques offer a non-invasive alternative to conventional 2D histology, enabling volumetric imaging of biological tissues without the need for physical sectioning or chemical staining. However, the…

Image and Video Processing · Electrical Eng. & Systems 2025-09-12 Sarah C. Irvine , Christian Lucas , Diana Krüger , Bianca Guedert , Julian Moosmann , Berit Zeller-Plumhoff

MRI and CT are essential clinical cross-sectional imaging techniques for diagnosing complex conditions. However, large 3D datasets with annotations for deep learning are scarce. While methods like DINOv2 are encouraging for 2D image…

Image and Video Processing · Electrical Eng. & Systems 2025-07-10 Gustav Müller-Franzes , Firas Khader , Robert Siepmann , Tianyu Han , Jakob Nikolas Kather , Sven Nebelung , Daniel Truhn

Hyperspectral image (HSI) classification presents inherent challenges due to high spectral dimensionality, significant domain shifts, and limited availability of labeled data. To address these issues, we propose a novel Active Transfer…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Muhammad Ahmad , Francesco Mauro , Manuel Mazzara , Salvatore Distefano , Adil Mehmood Khan , Silvia Liberata Ullo

Masked Image Modelling (MIM) has been shown to be an efficient self-supervised learning (SSL) pre-training paradigm when paired with transformer architectures and in the presence of a large amount of unlabelled natural images. The…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Alvaro Fernandez-Quilez , Christoffer Gabrielsen Andersen , Trygve Eftestøl , Svein Reidar Kjosavik , Ketil Oppedal

Magnetic resonance (MR) images collected in 2D clinical protocols typically have large inter-slice spacing, resulting in high in-plane resolution and reduced through-plane resolution. Super-resolution technique can enhance the through-plane…

Image and Video Processing · Electrical Eng. & Systems 2023-03-21 Xin Wang , Sheng Wang , Honglin Xiong , Kai Xuan , Zixu Zhuang , Mengjun Liu , Zhenrong Shen , Xiangyu Zhao , Lichi Zhang , Qian Wang

Accurate infarct segmentation in non-contrast CT (NCCT) images is a crucial step toward computer-aided acute ischemic stroke (AIS) assessment. In clinical practice, bilateral symmetric comparison of brain hemispheres is usually used to…

Image and Video Processing · Electrical Eng. & Systems 2022-07-01 Haomiao Ni , Yuan Xue , Kelvin Wong , John Volpi , Stephen T. C. Wong , James Z. Wang , Xiaolei Huang

There are considerable interests in automatic stroke lesion segmentation on magnetic resonance (MR) images in the medical imaging field, as stroke is an important cerebrovascular disease. Although deep learning-based models have been…

Image and Video Processing · Electrical Eng. & Systems 2023-03-07 Weiyi Yu , Zhizhong Huang , Junping Zhang , Hongming Shan

Deep neural networks are increasingly applied in automated histopathology. Yet, whole-slide images (WSIs) are often acquired at gigapixel sizes, rendering them computationally infeasible to analyze entirely at high resolution. Diagnostic…

Image and Video Processing · Electrical Eng. & Systems 2026-02-10 Tarun G , Naman Malpani , Gugan Thoppe , Sridharan Devarajan

Most state-of-the-art 3D object detectors heavily rely on LiDAR sensors because there is a large performance gap between image-based and LiDAR-based methods. It is caused by the way to form representation for the prediction in 3D scenarios.…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Yilun Chen , Shu Liu , Xiaoyong Shen , Jiaya Jia

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