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Multiplexed imaging allows multiple cell types to be simultaneously visualised in a single tissue sample, generating unprecedented amounts of spatially-resolved, biological data. In topological data analysis, persistent homology provides…

Quantitative Methods · Quantitative Biology 2025-05-06 Maria Torras-Pérez , Iris H. R. Yoon , Praveen Weeratunga , Ling-Pei Ho , Helen M. Byrne , Ulrike Tillmann , Heather A. Harrington

We propose Perceptual Taxonomy, a structured process of scene understanding that first recognizes objects and their spatial configurations, then infers task-relevant properties such as material, affordance, function, and physical attributes…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Jonathan Lee , Xingrui Wang , Jiawei Peng , Luoxin Ye , Zehan Zheng , Tiezheng Zhang , Tao Wang , Wufei Ma , Siyi Chen , Yu-Cheng Chou , Prakhar Kaushik , Alan Yuille

Locating manipulation maps, i.e., pixel-level annotation of forgery cues, is crucial for providing interpretable detection results in face forgery detection. Related learning objects have also been widely adopted as auxiliary tasks to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Jiahe Tian , Peng Chen , Cai Yu , Xiaomeng Fu , Xi Wang , Jiao Dai , Jizhong Han

Proper Orthogonal Decomposition (POD) is a widely used technique for the construction of low-dimensional approximation spaces from high-dimensional input data. For large-scale applications and an increasing amount of input data vectors,…

Numerical Analysis · Mathematics 2021-06-09 Christian Himpe , Tobias Leibner , Stephan Rave

Recent advances in cellular research demonstrate that scRNA-seq characterizes cellular heterogeneity, while spatial transcriptomics reveals the spatial distribution of gene expression. Cell representation is the fundamental issue in the two…

Genomics · Quantitative Biology 2025-01-16 Kai Zheng , Shaokai Wang , Yunpei Xu , Qiming Lei , Qichang Zhao , Xiao Liang , Qilong Feng , Yaohang Li , Min Li , Jinhui Xu , Jianxin Wang

Spatial pyramid pooling module or encode-decoder structure are used in deep neural networks for semantic segmentation task. The former networks are able to encode multi-scale contextual information by probing the incoming features with…

Computer Vision and Pattern Recognition · Computer Science 2018-08-24 Liang-Chieh Chen , Yukun Zhu , George Papandreou , Florian Schroff , Hartwig Adam

Fractal geometry, defined by self-similar patterns across scales, is crucial for understanding natural structures. This work addresses the fractal inverse problem, which involves extracting fractal codes from images to explain these…

Graphics · Computer Science 2025-02-25 Adarsh Djeacoumar , Felix Mujkanovic , Hans-Peter Seidel , Thomas Leimkühler

Occlusion in face recognition is a common yet challenging problem. While sparse representation based classification (SRC) has been shown promising performance in laboratory conditions (i.e. noiseless or random pixel corrupted), it performs…

Computer Vision and Pattern Recognition · Computer Science 2015-07-28 Yandong Wen , Weiyang Liu , Meng Yang , Yuli Fu , Youjun Xiang , Rui Hu

Referring Expression Comprehension (REC) has become one of the most important tasks in visual reasoning, since it is an essential step for many vision-and-language tasks such as visual question answering. However, it has not been widely…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Wei Suo , Mengyang Sun , Peng Wang , Qi Wu

Three-dimensional (3D) photoacoustic computed tomography (PACT) is a powerful noninvasive biomedical imaging modality that provides volumetric data for structural and functional assessment \textit{in vivo}. To maximize angular coverage and…

Medical Physics · Physics 2026-03-26 Wanqing Zhang , Hengyue Zhu , Yide Zhang

Positional encoding (PE) underpins how permutation-invariant Transformers represent sequence order, yet how positional information is processed and stored remains poorly understood. Modern PE methods such as RoPE still struggle on tasks…

Computation and Language · Computer Science 2026-05-29 Pierre-Antoine Lequeu , Camille Barboule , Benjamin Piwowarski

Dual encoder architectures like Clip models map two types of inputs into a shared embedding space and predict similarities between them. Despite their wide application, it is, however, not understood how these models compare their two…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Lucas Möller , Pascal Tilli , Ngoc Thang Vu , Sebastian Padó

We show that many perception tasks, from visual recognition, semantic segmentation, optical flow, depth estimation to vocalization discrimination, are highly redundant functions of their input data. Images or spectrograms, projected into…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Rahul Ramesh , Anthony Bisulco , Ronald W. DiTullio , Linran Wei , Vijay Balasubramanian , Kostas Daniilidis , Pratik Chaudhari

We propose a method for converting geometric shapes into hierarchically segmented parts with part labels. Our key idea is to train category-specific models from the scene graphs and part names that accompany 3D shapes in public…

Graphics · Computer Science 2017-05-05 Li Yi , Leonidas Guibas , Aaron Hertzmann , Vladimir G. Kim , Hao Su , Ersin Yumer

Dictionary learning is a versatile method to produce an overcomplete set of vectors, called atoms, to represent a given input with only a few atoms. In the literature, it has been used primarily for tasks that explore its powerful…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Alexander Köhler , Michael Breuß

Certain concepts, words, and images are intuitively more similar than others (dog vs. cat, dog vs. spoon), though quantifying such similarity is notoriously difficult. Indeed, this kind of computation is likely a critical part of learning…

Neurons and Cognition · Quantitative Biology 2018-05-16 Andrei Amatuni , Estelle He , Elika Bergelson

First-order model counting (FOMC) is the problem of counting the number of models of a sentence in first-order logic. Since lifted inference techniques rely on reductions to variants of FOMC, the design of scalable methods for FOMC has…

Logic in Computer Science · Computer Science 2025-06-11 Ananth K. Kidambi , Guramrit Singh , Paulius Dilkas , Kuldeep S. Meel

The size of 3D models used on the web or stored in databases is becoming increasingly high. Then, an efficient method that allows users to find similar 3D objects for a given 3D model query has become necessary. Keywords and the geometry of…

Information Retrieval · Computer Science 2011-11-29 My Abdellah Kassimi , Omar El beqqali

Explicit concept space models have proven efficacy for text representation in many natural language and text mining applications. The idea is to embed textual structures into a semantic space of concepts which captures the main ideas,…

Computation and Language · Computer Science 2018-12-21 Walid Shalaby , Wlodek Zadrozny

Advances in image tampering techniques, particularly generative models, pose significant challenges to media verification, digital forensics, and public trust. Existing image forgery detection and localization (IFDL) methods suffer from two…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Zhou Liu , Tonghua Su , Hongshi Zhang , Fuxiang Yang , Donglin Di , Yang Song , Lei Fan