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Related papers: HyperST: Hierarchical Hyperbolic Learning for Spat…

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Cellular identity and function are linked to both their intrinsic genomic makeup and extrinsic spatial context within the tissue microenvironment. Spatial transcriptomics (ST) offers an unprecedented opportunity to study this, providing in…

Machine Learning · Computer Science 2026-02-16 Rui Yan , Xiaohan Xing , Xun Wang , Zixia Zhou , Md Tauhidul Islam , Lei Xing

Structuring latent representations in a hierarchical manner enables models to learn patterns at multiple levels of abstraction. However, most prevalent image understanding models focus on visual similarity, and learning visual hierarchies…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Ziwei Wang , Sameera Ramasinghe , Chenchen Xu , Julien Monteil , Loris Bazzani , Thalaiyasingam Ajanthan

Total hip arthroplasty (THA) relies on accurate landmark detection from radiographic images, but unstructured data caused by irregular patient postures or occluded anatomical markers pose significant challenges for existing methods. To…

Image and Video Processing · Electrical Eng. & Systems 2024-11-14 Jiaxin Wan , Lin Liu , Haoran Wang , Liangwei Li , Wei Li , Shuheng Kou , Runtian Li , Jiayi Tang , Juanxiu Liu , Jing Zhang , Xiaohui Du , Ruqian Hao

In light of the inherent entailment relations between images and text, hyperbolic point vector embeddings, leveraging the hierarchical modeling advantages of hyperbolic space, have been utilized for visual semantic representation learning.…

Artificial Intelligence · Computer Science 2024-08-21 Zhi Qiao , Linbin Han , Xiantong Zhen , Jia-Hong Gao , Zhen Qian

Hypergraphs have been becoming a popular choice to model complex, non-pairwise, and higher-order interactions for recommender system. However, compared with traditional graph-based methods, the constructed hypergraphs are usually much…

Social and Information Networks · Computer Science 2021-08-19 Yicong Li , Hongxu Chen , Xiangguo Sun , Zhenchao Sun , Lin Li , Lizhen Cui , Philip S. Yu , Guandong Xu

Accurate and reliable lane detection is vital for the safe performance of lane-keeping assistance and lane departure warning systems. However, under certain challenging circumstances, it is difficult to get satisfactory performance in…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Yongqi Dong , Sandeep Patil , Bart van Arem , Haneen Farah

Hyperspectral imaging acquires data in both the spatial and frequency domains to offer abundant physical or biological information. However, conventional hyperspectral imaging has intrinsic limitations of bulky instruments, slow data…

Image and Video Processing · Electrical Eng. & Systems 2023-04-06 Yuhyun Ji , Sang Mok Park , Semin Kwon , Jung Woo Leem , Vidhya Vijayakrishnan Nair , Yunjie Tong , Young L. Kim

Spatial transcriptomics is an emerging field that enables the identification of functional regions based on the spatial distribution of gene expression. Integrating this functional information present in transcriptomic data with structural…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Shanaka Liyanaarachchi , Chathurya Wijethunga , Shihab Aaqil Ahamed , Akthas Absar , Ranga Rodrigo

Accurate detection of cancer tissue regions (CTR) enables deeper analysis of the tumor microenvironment and offers crucial insights into treatment response. Traditional CTR detection methods, which typically rely on the rich cellular…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Shuailin Xue , Jun Wan , Lihua Zhang , Wenwen Min

Deep learning-based hyperspectral image super-resolution (SR) methods have achieved great success recently. However, most existing models can not effectively explore spatial information and spectral information between bands simultaneously,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-15 Qi Wang , Qiang Li , Xuelong Li

Compressed Image Super-resolution has achieved great attention in recent years, where images are degraded with compression artifacts and low-resolution artifacts. Since the complex hybrid distortions, it is hard to restore the distorted…

Computer Vision and Pattern Recognition · Computer Science 2022-12-05 Bingchen Li , Xin Li , Yiting Lu , Sen Liu , Ruoyu Feng , Zhibo Chen

Hyperspectral imaging provides detailed information about the scanned objects, as it captures their spectral characteristics within a large number of wavelength bands. Classification of such data has become an active research topic due to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Jakub Nalepa , Lukasz Tulczyjew , Michal Myller , Michal Kawulok

Spatial transcriptomics provides a molecularly rich description of tissue organization, enabling unsupervised discovery of tissue niches -- spatially coherent regions of distinct cell-type composition and function that are relevant to both…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Arbel Hizmi , Artemii Bakulin , Shai Bagon , Nir Yosef

Hyperbolic geometry has been successfully applied in modeling brain cortical and subcortical surfaces with general topological structures. However such approaches, similar to other surface based brain morphology analysis methods, usually…

Image and Video Processing · Electrical Eng. & Systems 2021-02-23 J. Zhang , Q. Dong , J. Shi , Q. Li , C. M. Stonnington , B. A. Gutman , K. Chen , E. M. Reiman , R. J. Caselli , P. M. Thompson , J. Ye , Y. Wang

Spatial transcriptomics (ST) is essential for understanding diseases and developing novel treatments. It measures gene expression of each fine-grained area (i.e., different windows) in the tissue slide with low throughput. This paper…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Yan Yang , Md Zakir Hossain , Eric A Stone , Shafin Rahman

Medical vision-language pre-training methods mainly leverage the correspondence between paired medical images and radiological reports. Although multi-view spatial images and temporal sequences of image-report pairs are available in…

Artificial Intelligence · Computer Science 2024-05-31 Jinxia Yang , Bing Su , Wayne Xin Zhao , Ji-Rong Wen

Self-supervised representation learning has been highly promising for histopathology image analysis with numerous approaches leveraging their patient-slide-patch hierarchy to learn better representations. In this paper, we explore how the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Hasindri Watawana , Kanchana Ranasinghe , Tariq Mahmood , Muzammal Naseer , Salman Khan , Fahad Shahbaz Khan

Spatial transcriptomics (ST) enables simultaneous mapping of tissue morphology and spatially resolved gene expression, offering unique opportunities to study tumor microenvironment heterogeneity. Here, we introduce a computational framework…

Quantitative Methods · Quantitative Biology 2026-04-27 Ling Liao , Changhuei Yang , Maxim Artyomov , Mark Watson , Adam Kepecs , Haowen Zhou , Alexey Sergushichev , Richard Cote

Existing self-supervised learning (SSL) methods primarily learn object-invariant representations but often neglect the spatial structure and relationships among object parts. To address this limitation, we introduce Spatial Prediction (SP),…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yang Shen , Yusen Cai , Weronika Hryniewska-Guzik , Qing Lin , Mengmi Zhang

Spatial transcriptomics (ST) profiles gene expression across a tissue section while preserving the spatial coordinates. Because current ST technologies typically profile two-dimensional tissue slices, integrating and aligning slices from…

Quantitative Methods · Quantitative Biology 2026-03-20 Yaqi Wu , Jingfeng Wang , Xin Maizie Zhou , Yanxiang Zhao , Zixuan Cang
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