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Spatial transcriptomics provides an unprecedented perspective for deciphering tissue spatial heterogeneity. However, high-resolution spatial transcriptomic technology remains constrained by limited gene coverage, technical complexity, and…

Biomolecules · Quantitative Biology 2026-05-19 Xinlei Huang , Weihao Dai , Zijun Qin , Xin Yu , Di Wang , Yanran Liu , Lixin Cheng , Xubin Zheng

X-ray Photoelectron Spectroscopy (XPS) is a crucial technique for material surface analysis, yet interpreting its spectra is often challenging for both human analysts and automated methods due to the prevalence of variable spectral shifts…

Materials Science · Physics 2026-03-06 Issa Saddiq , Yuxin Fan , Robert G. Palgrave , Mark A. Isaacs , David Morgan , Keith T. Butler

Supervised learning for semantic segmentation requires a large number of labeled samples, which is difficult to obtain in the field of remote sensing. Self-supervised learning (SSL), can be used to solve such problems by pre-training a…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Haifeng Li , Yi Li , Guo Zhang , Ruoyun Liu , Haozhe Huang , Qing Zhu , Chao Tao

Advanced self-supervised visual representation learning methods rely on the instance discrimination (ID) pretext task. We point out that the ID task has an implicit semantic consistency (SC) assumption, which may not hold in unconstrained…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Yucheng Zhao , Guangting Wang , Chong Luo , Wenjun Zeng , Zheng-Jun Zha

Contrastive language--audio pretraining (CLAP) has achieved remarkable success as an audio--text embedding framework, but existing approaches are limited to monaural or single-source conditions and cannot fully capture spatial information.…

Compared with unimodal data, multimodal data can provide more features to help the model analyze the sentiment of data. Previous research works rarely consider token-level feature fusion, and few works explore learning the common features…

Computation and Language · Computer Science 2022-06-15 Zhen Li , Bing Xu , Conghui Zhu , Tiejun Zhao

Masked Image Modeling (MIM) is a promising self-supervised learning approach that enables learning from unlabeled images. Despite its recent success, learning good representations through MIM remains challenging because it requires…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Amir Bar , Florian Bordes , Assaf Shocher , Mahmoud Assran , Pascal Vincent , Nicolas Ballas , Trevor Darrell , Amir Globerson , Yann LeCun

Spatial-temporal graph learning has emerged as a promising solution for modeling structured spatial-temporal data and learning region representations for various urban sensing tasks such as crime forecasting and traffic flow prediction.…

Machine Learning · Computer Science 2023-06-21 Qianru Zhang , Chao Huang , Lianghao Xia , Zheng Wang , Siuming Yiu , Ruihua Han

Medical image understanding plays a crucial role in enabling automated diagnosis and data-driven clinical decision support. However, its progress is impeded by two primary challenges: the limited availability of high-quality annotated…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Tianchen Fang , Guiru Liu

We present a self-supervised algorithm for several classification tasks within hematoxylin and eosin (H&E) stained images of breast cancer. Our method is robust to stain variations inherent to the histology images acquisition process, which…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Alexandre Tiard , Alex Wong , David Joon Ho , Yangchao Wu , Eliram Nof , Alvin C. Goh , Stefano Soatto , Saad Nadeem

We propose a novel framework for ID-preserving generation using a multi-modal encoding strategy rather than injecting identity features via adapters into pre-trained models. Our method treats identity and text as a unified conditioning…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Zichuan Liu , Liming Jiang , Qing Yan , Yumin Jia , Hao Kang , Xin Lu

Recent works favored dense signals (e.g., depth, DensePose), as an alternative to sparse signals (e.g., OpenPose), to provide detailed spatial guidance for pose-guided text-to-image generation. However, dense representations raised new…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Wenjie Xuan , Jing Zhang , Juhua Liu , Bo Du , Dacheng Tao

Spatio-temporal (ST) prediction is an important and widely used technique in data mining and analytics, especially for ST data in urban systems such as transportation data. In practice, the ST data generation is usually influenced by…

Machine Learning · Computer Science 2024-03-08 Jiahao Ji , Jingyuan Wang , Yu Mou , Cheng Long

Accurate predictions rely on the expressiveness power of graph deep learning frameworks like graph neural networks and graph transformers, where a positional encoding mechanism has become much more indispensable in recent state-of-the-art…

Machine Learning · Computer Science 2025-06-12 Katherine Tieu , Dongqi Fu , Zihao Li , Ross Maciejewski , Jingrui He

The diagnosis of cancer is mainly performed by visual analysis of the pathologists, through examining the morphology of the tissue slices and the spatial arrangement of the cells. If the microscopic image of a specimen is not stained, it…

Image and Video Processing · Electrical Eng. & Systems 2020-02-06 Pegah Salehi , Abdolah Chalechale

Spatial transcriptomics (ST) has revolutionized biomedical research by enabling high resolution gene expression profiling within tissues. However, the high cost and scarcity of high resolution ST data remain significant challenges. We…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Yaoyu Fang , Jiahe Qian , Xinkun Wang , Lee A. Cooper , Bo Zhou

Inspired by the success of BERT, several multimodal representation learning approaches have been proposed that jointly represent image and text. These approaches achieve superior performance by capturing high-level semantic information from…

Computer Vision and Pattern Recognition · Computer Science 2021-09-27 Lei Shi , Kai Shuang , Shijie Geng , Peng Gao , Zuohui Fu , Gerard de Melo , Yunpeng Chen , Sen Su

Hyperspectral image super-resolution has attained widespread prominence to enhance the spatial resolution of hyperspectral images. However, convolution-based methods have encountered challenges in harnessing the global spatial-spectral…

Image and Video Processing · Electrical Eng. & Systems 2023-11-30 Shi Chen , Lefei Zhang , Liangpei Zhang

Cancer is one of the leading causes of death worldwide, making the development of rapid, minimally invasive, label-free and scalable diagnostic strategies a major challenge in modern oncology. In this context, spectroscopic liquid biopsy…

Image pre-training, the current de-facto paradigm for a wide range of visual tasks, is generally less favored in the field of video recognition. By contrast, a common strategy is to directly train with spatiotemporal convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2022-08-03 Xianhang Li , Huiyu Wang , Chen Wei , Jieru Mei , Alan Yuille , Yuyin Zhou , Cihang Xie