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Computational molecular representations underpin virtual screening, property prediction, and materials discovery. Conventional fingerprints are efficient and deterministic but lose structural information through hash-based compression,…

机器学习 · 计算机科学 2026-05-01 Jonas Teufel , Luca Torresi , André Eberhard , Pascal Friederich

Convolutional Neural Networks (CNNs) have achieved state-of-the-art performance in many different 2D medical image analysis tasks. In clinical practice, however, a large part of the medical imaging data available is in 3D. This has…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Guodong Zeng , Guoyan Zheng

In this paper, we propose to exploit the rich hierarchical features of deep convolutional neural networks to improve the accuracy and robustness of visual tracking. Deep neural networks trained on object recognition datasets consist of…

计算机视觉与模式识别 · 计算机科学 2018-08-14 Chao Ma , Jia-Bin Huang , Xiaokang Yang , Ming-Hsuan Yang

Persistent Homology (PH) and Artificial Neural Networks (ANNs) offer contrasting approaches to inferring topological structure from data. In this study, we examine the noise robustness of a supervised neural network trained to predict Betti…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Dylan Peek , Matthew P. Skerritt , Stephan Chalup

Persistence-based topological optimization deforms a point cloud $X \subset \mathbb{R}^d$ by minimizing objectives of the form $L(X) = \ell(\mathrm{Dgm}(X))$, where $\mathrm{Dgm}(X)$ is a persistence diagram. In practice, optimization is…

计算几何 · 计算机科学 2026-05-13 Abderrahim Bendahi , Alexandre Duplessis , Arnaud Fickinger

We develop a novel deep contour detection algorithm with a top-down fully convolutional encoder-decoder network. Our proposed method, named TD-CEDN, solves two important issues in this low-level vision problem: (1) learning multi-scale and…

计算机视觉与模式识别 · 计算机科学 2017-07-13 Yahui Liu , Jian Yao , Li Li , Xiaohu Lu , Jing Han

This paper introduces HPNet, a novel deep-learning approach for segmenting a 3D shape represented as a point cloud into primitive patches. The key to deep primitive segmentation is learning a feature representation that can separate points…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Siming Yan , Zhenpei Yang , Chongyang Ma , Haibin Huang , Etienne Vouga , Qixing Huang

The convolutional neural network (CNN) is one of the most commonly used architectures for computer vision tasks. The key building block of a CNN is the convolutional kernel that aggregates information from the pixel neighborhood and shares…

图像与视频处理 · 电气工程与系统科学 2022-02-08 Tianyu Ma , Alan Q. Wang , Adrian V. Dalca , Mert R. Sabuncu

Computer-generated holography (CGH) presents a transformative solution for near-eye displays in augmented and virtual reality. Recent advances in deep learning have greatly improved CGH in reconstructed quality and computational efficiency.…

光学 · 物理学 2025-12-16 Shuyang Xie , Jie Zhou , Jun Wang , Renjing Xu

Manifold learning aims to discover and represent low-dimensional structures underlying high-dimensional data while preserving critical topological and geometric properties. Existing methods often fail to capture local details with global…

机器学习 · 计算机科学 2025-05-08 Ren Wang , Pengcheng Zhou

Hyperdimensional Computing (HDC) is a brain-inspired computing paradigm that represents and manipulates information using high-dimensional vectors, called hypervectors (HV). Traditional HDC methods, while robust to noise and inherently…

分布式、并行与集群计算 · 计算机科学 2025-06-12 Dhruv Parikh , Viktor Prasanna

2. In Section 3, we used some vague statements to affirm the training process of the neural network, which cannot support others to reproduce the results of the paper. In addition, this section does not show the difference between this…

最优化与控制 · 数学 2020-07-01 Liang Xue , Jie Liu , Guilin Wen , Hongxin Wang

Constructing a high-quality dense map in real-time is essential for robotics, AR/VR, and digital twins applications. As Neural Radiance Field (NeRF) greatly improves the mapping performance, in this paper, we propose a NeRF-based mapping…

机器人学 · 计算机科学 2023-09-21 Chenxing Jiang , Hanwen Zhang , Peize Liu , Zehuan Yu , Hui Cheng , Boyu Zhou , Shaojie Shen

Accurate segmentation and classification of nuclei in histology images is critical but challenging due to nuclei heterogeneity, staining variations, and tissue complexity. Existing methods often struggle with limited dataset variability,…

图像与视频处理 · 电气工程与系统科学 2025-01-22 Wenhua Zhang , Sen Yang , Meiwei Luo , Chuan He , Yuchen Li , Jun Zhang , Xiyue Wang , Fang Wang

Hyperdimensional computing (HDC) is a promising approach for energy-efficient edge machine learning (ML), where low latency, low power, and tight memory budgets are essential. However, traditional HDC relies on symbolic binding and…

硬件体系结构 · 计算机科学 2026-05-26 Sabrina Hassan Moon , Abu Kaisar Mohammad Masum , Sercan Aygun , Dayane Reis

The topological analysis of four-dimensional (4D) image-type data is challenged by the immense size that these datasets can reach. This can render the direct application of methods, like persistent homology and convolutional neural networks…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Khalil Mathieu Hannouch , Stephan Chalup

Geometric data pruning methods, while practical for leveraging pretrained models, are fundamentally unstable. Their reliance on extrinsic geometry renders them highly sensitive to latent space perturbations, causing performance to degrade…

机器学习 · 计算机科学 2026-05-11 Arjun Roy , Prajna G. Malettira , Manish Nagaraj , Kaushik Roy

Many data representations are vectors of continuous values. In particular, deep learning embeddings are data-driven representations, typically either unconstrained in Euclidean space, or constrained to a hypersphere. These may also be…

机器学习 · 计算机科学 2026-03-04 Dan Stowell

Topological features play an essential role in ensuring geometric plausibility and structural consistency in image analysis tasks such as segmentation and skeletonization. However, integrating topology-preserving learning based on simple…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Wenxiao Li , Faqiang Wang , Yuping Duan , Li Cui , Liqiang Zhang , Jun Liu

We introduce a method for training neural networks to perform image or volume segmentation in which prior knowledge about the topology of the segmented object can be explicitly provided and then incorporated into the training process. By…

计算机视觉与模式识别 · 计算机科学 2020-09-21 James R. Clough , Nicholas Byrne , Ilkay Oksuz , Veronika A. Zimmer , Julia A. Schnabel , Andrew P. King