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Spatio-temporal graph neural networks (STGNN) have emerged as the dominant model for spatio-temporal graph (STG) forecasting. Despite their success, they fail to model intrinsic uncertainties within STG data, which cripples their…

机器学习 · 计算机科学 2024-03-12 Haomin Wen , Youfang Lin , Yutong Xia , Huaiyu Wan , Qingsong Wen , Roger Zimmermann , Yuxuan Liang

Diffusion models have emerged as a powerful tool for generating high-quality images, videos, and 3D content. While sampling guidance techniques like CFG improve quality, they reduce diversity and motion. Autoguidance mitigates these issues…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Junha Hyung , Kinam Kim , Susung Hong , Min-Jung Kim , Jaegul Choo

The iterative sampling procedure employed by diffusion models (DMs) often leads to significant inference latency. To address this, we propose Stochastic Consistency Distillation (SCott) to enable accelerated text-to-image generation, where…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Hongjian Liu , Qingsong Xie , TianXiang Ye , Zhijie Deng , Chen Chen , Shixiang Tang , Xueyang Fu , Haonan Lu , Zheng-jun Zha

We introduce Seed-to-Seed Translation (StS), a novel approach for Image-to-Image Translation using diffusion models (DMs), aimed at translations that require close adherence to the structure of the source image. In contrast to existing…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Or Greenberg , Eran Kishon , Dani Lischinski

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…

计算机视觉与模式识别 · 计算机科学 2025-07-24 Yaoyu Fang , Jiahe Qian , Xinkun Wang , Lee A. Cooper , Bo Zhou

The urban environment is characterized by complex spatio-temporal dynamics arising from diverse human activities and interactions. Effectively modeling these dynamics is essential for understanding and optimizing urban systems. In this…

机器学习 · 计算机科学 2025-10-21 Yuan Yuan , Chonghua Han , Jingtao Ding , Guozhen Zhang , Depeng Jin , Yong Li

Diffusion models have become the foundation of modern generative systems, with most research focusing primarily on improving generation efficiency and output quality. The timestep embedding component is a crucial part of the diffusion…

机器学习 · 计算机科学 2026-05-05 An Huang , Junggab Son , Zuobin Xiong

Spatial transcriptomics (ST) provides spatially resolved measurements of gene expression, enabling characterization of the molecular landscape of human tissue beyond histological assessment as well as localized readouts that can be aligned…

The rapid growth of digital pathology and advances in self-supervised deep learning have enabled the development of foundational models for various pathology tasks across diverse diseases. While multimodal approaches integrating diverse…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Ekaterina Redekop , Mara Pleasure , Zichen Wang , Kimberly Flores , Anthony Sisk , William Speier , Corey W. Arnold

Kinship face synthesis is a challenging problem due to the scarcity and low quality of the available kinship data. Existing methods often struggle to generate descendants with both high diversity and fidelity while precisely controlling…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Pin-Yen Chiu , Dai-Jie Wu , Po-Hsun Chu , Chia-Hsuan Hsu , Hsiang-Chen Chiu , Chih-Yu Wang , Jun-Cheng Chen

The escalating adoption of diffusion models for applications such as image generation demands efficient parallel inference techniques to manage their substantial computational cost. However, existing diffusion parallelism inference schemes…

分布式、并行与集群计算 · 计算机科学 2025-09-16 Han Liang , Jiahui Zhou , Zicheng Zhou , Xiaoxi Zhang , Xu Chen

Spatial transcriptomics is a technology that captures gene expression levels at different spatial locations, widely used in tumor microenvironment analysis and molecular profiling of histopathology, providing valuable insights into…

计算机视觉与模式识别 · 计算机科学 2025-06-11 Junzhuo Liu , Markus Eckstein , Zhixiang Wang , Friedrich Feuerhake , Dorit Merhof

Spatial transcriptomics (ST) is a novel technique that simultaneously captures pathological images and gene expression profiling with spatial coordinates. Since ST is closely related to pathological features such as disease subtypes, it may…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Kazuya Nishimura , Ryoma Bise , Yasuhiro Kojima

Recent innovations in diffusion probabilistic models have paved the way for significant progress in image, text and audio generation, leading to their applications in generative time series forecasting. However, leveraging such abilities to…

机器学习 · 计算机科学 2025-11-07 Yuansan Liu , Sudanthi Wijewickrema , Dongting Hu , Christofer Bester , Stephen O'Leary , James Bailey

Diffusion models have significantly reshaped the field of generative artificial intelligence and are now increasingly explored for their capacity in discriminative representation learning. Diffusion Transformer (DiT) has recently gained…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Changyu Liu , James Chenhao Liang , Wenhao Yang , Yiming Cui , Jinghao Yang , Tianyang Wang , Qifan Wang , Dongfang Liu , Cheng Han

Recent years have witnessed Spiking Neural Networks (SNNs) gaining attention for their ultra-low energy consumption and high biological plausibility compared with traditional Artificial Neural Networks (ANNs). Despite their distinguished…

神经与进化计算 · 计算机科学 2024-08-30 Jiahang Cao , Hanzhong Guo , Ziqing Wang , Deming Zhou , Hao Cheng , Qiang Zhang , Renjing Xu

Spatial profiling technologies in biology, such as imaging mass cytometry (IMC) and spatial transcriptomics (ST), generate high-dimensional, multi-channel data with strong spatial alignment and complex inter-channel relationships.…

机器学习 · 计算机科学 2025-07-08 Haoran Zhang , Mingyuan Zhou , Wesley Tansey

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…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Shuailin Xue , Jun Wan , Lihua Zhang , Wenwen Min

Spatiotemporal learning is challenging due to the intricate interplay between spatial and temporal dependencies, the high dimensionality of the data, and scalability constraints. These challenges are further amplified in scientific domains,…

机器学习 · 计算机科学 2025-04-17 David Keetae Park , Xihaier Luo , Guang Zhao , Seungjun Lee , Miruna Oprescu , Shinjae Yoo

Spatial transcriptomics (ST) provides high-resolution pathological images and whole-transcriptomic expression profiles at individual spots across whole-slide scales. This setting makes it an ideal data source to develop multimodal…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Yuxiang Lin , Ling Luo , Ying Chen , Xushi Zhang , Zihui Wang , Wenxian Yang , Mengsha Tong , Rongshan Yu