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Hyperdimensional computing (HDC) offers lightweight learning for energy-constrained devices by encoding data into high-dimensional vectors. However, its reliance on ultra-high dimensionality and static, randomly initialized hypervectors…

Machine Learning · Computer Science 2026-02-03 Hanne Dejonghe , Sam Leroux

Handwritten Text Recognition (HTR) in free-layout pages is a challenging image understanding task that can provide a relevant boost to the digitization of handwritten documents and reuse of their content. The task becomes even more…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Silvia Cascianelli , Marcella Cornia , Lorenzo Baraldi , Rita Cucchiara

High resolution and advanced semantic representation are both vital for dense prediction. Empirically, low-resolution feature maps often achieve stronger semantic representation, and high-resolution feature maps generally can better…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Jian Wang , Xiang Long , Guowei Chen , Zewu Wu , Zeyu Chen , Errui Ding

Hyperdimensional computing (HDC) is a paradigm for data representation and learning originating in computational neuroscience. HDC represents data as high-dimensional, low-precision vectors which can be used for a variety of information…

Traditional error detection and correction codes focus on bit-level fidelity, which is insufficient for emerging technologies like eXtended Reality (XR) and holographic communications requiring high-data-rate, low-latency systems. Bit-level…

Multimedia · Computer Science 2025-03-11 Hongzhi Guo

Transvaginal ultrasound is a critical imaging modality for evaluating cervical anatomy and detecting physiological changes. However, accurate segmentation of cervical structures remains challenging due to low contrast, shadow artifacts, and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Tran Quoc Khanh Le , Nguyen Lan Vi Vu , Ha-Hieu Pham , Xuan-Loc Huynh , Tien-Huy Nguyen , Minh Huu Nhat Le , Quan Nguyen , Hien D. Nguyen

The Internet of Things (IoT) has facilitated many applications utilizing edge-based machine learning (ML) methods to analyze locally collected data. Unfortunately, popular ML algorithms often require intensive computations beyond the…

Machine Learning · Computer Science 2023-11-15 Junyao Wang , Mohammad Abdullah Al Faruque

This paper studies the geometry of binary hyperdimensional computing (HDC), a computational scheme in which data are encoded using high-dimensional binary vectors. We establish a result about the similarity structure induced by the HDC…

Machine Learning · Computer Science 2024-04-29 Saeid Pourmand , Wyatt D. Whiting , Alireza Aghasi , Nicholas F. Marshall

The emerging brain-inspired computing paradigm known as hyperdimensional computing (HDC) has been proven to provide a lightweight learning framework for various cognitive tasks compared to the widely used deep learning-based approaches.…

Emerging Technologies · Computer Science 2021-06-23 Geethan Karunaratne , Manuel Le Gallo , Michael Hersche , Giovanni Cherubini , Luca Benini , Abu Sebastian , Abbas Rahimi

The reconstruction of indoor scenes from multi-view RGB images is challenging due to the coexistence of flat and texture-less regions alongside delicate and fine-grained regions. Recent methods leverage neural radiance fields aided by…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Sheng Ye , Yubin Hu , Matthieu Lin , Yu-Hui Wen , Wang Zhao , Yong-Jin Liu , Wenping Wang

We still do not have perfect decoders for topological codes that can satisfy all needs of different experimental setups. Recently, a few neural network based decoders have been studied, with the motivation that they can adapt to a wide…

Quantum Physics · Physics 2020-08-26 Xiaotong Ni

Modern deep neural networks have shown remarkable performance in medical image classification. However, such networks either emphasize pixel-intensity features instead of fundamental anatomical structures (e.g., those encoded by topological…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Pengfei Gu , Huimin Li , Haoteng Tang , Dongkuan , Xu , Erik Enriquez , DongChul Kim , Bin Fu , Danny Z. Chen

Rotation-invariant recognition of shapes is a common challenge in computer vision. Recent approaches have significantly improved the accuracy of rotation-invariant recognition by encoding the rotational invariance of shapes as hand-crafted…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Yanjie Xu , Handing Xu , Tianmu Wang , Yaguan Li , Yunzhi Chen , Zhenguo Nie

High resolution is crucial for precise segmentation in fundus images, yet handling high-resolution inputs incurs considerable GPU memory costs, with diminishing performance gains as overhead increases. To address this issue while tackling…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Ziyuan Ding , Yixiong Liang , Shichao Kan , Qing Liu

In this work, we propose a new spatio-directional neural encoding that is compact and efficient, and supports all-frequency signals in both space and direction. Current learnable encodings focus on Cartesian orthonormal spaces, which have…

Graphics · Computer Science 2026-03-06 Philippe Weier , Lukas Bode , Philipp Slusallek , Adrián Jarabo , Sébastien Speierer

Tumor segmentation in whole-slide images of histology slides is an important step towards computer-assisted diagnosis. In this work, we propose a tumor segmentation framework based on the novel concept of persistent homology profiles…

Computer Vision and Pattern Recognition · Computer Science 2018-05-11 Talha Qaiser , Yee-Wah Tsang , Daiki Taniyama , Naoya Sakamoto , Kazuaki Nakane , David Epstein , Nasir Rajpoot

Multiphoton photoreduction enables high-fidelity fabrication of complex 3D microstructures, yet reliable process-structure-property (PSP) prediction remains difficult because the available data are sparse, heterogeneous, and…

Neural implicit surface reconstruction has become a new trend in reconstructing a detailed 3D shape from images. In previous methods, however, the 3D scene is only encoded by the MLPs which do not have an explicit 3D structure. To better…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Xiaodong Gu , Weihao Yuan , Heng Li , Zilong Dong , Ping Tan

Image and video descriptors are an omnipresent tool in computer vision and its application fields like mobile robotics. Many hand-crafted and in particular learned image descriptors are numerical vectors with a potentially (very) large…

Computer Vision and Pattern Recognition · Computer Science 2021-01-20 Peer Neubert , Stefan Schubert

This paper tackles the challenging problem of hyperspectral (HS) image denoising. Unlike existing deep learning-based methods usually adopting complicated network architectures or empirically stacking off-the-shelf modules to pursue…

Image and Video Processing · Electrical Eng. & Systems 2022-07-12 Jinhui Hou , Zhiyu Zhu , Hui Liu , Junhui Hou