中文
相关论文

相关论文: A High-Accuracy Fast Hough Transform with Linear-L…

200 篇论文

High-resolution and variable-shape images have not yet been properly addressed by the AI community. The approach of down-sampling data often used with convolutional neural networks is sub-optimal for many tasks, and has too many drawbacks…

计算机视觉与模式识别 · 计算机科学 2020-09-30 Ferran Parés , Dario Garcia-Gasulla , Harald Servat , Jesús Labarta , Eduard Ayguadé

Popular Hough Transform-based object detection approaches usually construct an appearance codebook by clustering local image features. However, how to choose appropriate values for the parameters used in the clustering step remains an open…

计算机视觉与模式识别 · 计算机科学 2016-03-29 Jianyu Tang , Hanzi Wang , Yan Yan

Camera-captured document images often suffer from geometric distortions caused by paper deformation, perspective distortion, and lens aberrations, significantly reducing OCR accuracy. This study develops an efficient automated method for…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Valery Istomin , Oleg Pereziabov , Ilya Afanasyev

In the world of deep learning, Transformer models have become very significant, leading to improvements in many areas from understanding language to recognizing images, covering a wide range of applications. Despite their success, the…

Hierarchical matrices approximate a given matrix by a decomposition into low-rank submatrices that can be handled efficiently in factorized form. $\mathcal{H}^2$-matrices refine this representation following the ideas of fast multipole…

数值分析 · 数学 2024-04-24 Steffen Börm

In this paper, we consider an unconstrained optimization model where the objective is a sum of a large number of possibly nonconvex functions, though overall the objective is assumed to be smooth and convex. Our bid to solving such model…

最优化与控制 · 数学 2022-03-15 Xi Chen , Bo Jiang , Tianyi Lin , Shuzhong Zhang

We introduce an algorithm for the efficient computation of the continuous Haar transform of 2D patterns that can be described by polygons. These patterns are ubiquitous in VLSI processes where they are used to describe design and mask…

计算工程、金融与科学 · 计算机科学 2011-05-09 Robin Scheibler , Paul Hurley , Amina Chebira

In the framework of the Hough transform technique to detect curves in images, we provide a bound for the number of Hough transforms to be considered for a successful optimization of the accumulator function in the recognition algorithm.…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Mauro C. Beltrametti , Cristina Campi , Anna Maria Massone , Maria-Laura Torrente

This article presents Holistically-Attracted Wireframe Parsing (HAWP), a method for geometric analysis of 2D images containing wireframes formed by line segments and junctions. HAWP utilizes a parsimonious Holistic Attraction (HAT) field…

计算机视觉与模式识别 · 计算机科学 2023-09-07 Nan Xue , Tianfu Wu , Song Bai , Fu-Dong Wang , Gui-Song Xia , Liangpei Zhang , Philip H. S. Torr

The ability to capture good quality images in the dark and near-zero lux conditions has been a long-standing pursuit of the computer vision community. The seminal work by Chen et al. [5] has especially caused renewed interest in this area,…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Mohit Lamba , Atul Balaji , Kaushik Mitra

Super-resolution techniques are crucial in improving image granularity, particularly in complex urban scenes, where preserving geometric structures is vital for data-informed cultural heritage applications. In this paper, we propose a city…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Zhengyang Lu , Feng Wang

Hard Thresholding Pursuit (HTP) has aroused increasing attention for its robust theoretical guarantees and impressive numerical performance in non-convex optimization. In this paper, we introduce a novel tuning-free procedure, named…

统计理论 · 数学 2025-01-07 Yanhang Zhang , Zhifan Li , Shixiang Liu , Xueqin Wang , Jianxin Yin

Machine Learning algorithms based on Brain-inspired Hyperdimensional(HD) computing imitate cognition by exploiting statistical properties of high-dimensional vector spaces. It is a promising solution for achieving high energy efficiency in…

We discuss in some details a novel algorithm for performing partial-sky spherical harmonic transforms (SHT), building on the Fourier-sphere method of Reinecke et al (2023) handling efficiently high numbers of arbitrary locations on the…

宇宙学与河外天体物理 · 物理学 2026-03-20 Julien Carron , Martin Reinecke

The Radon transform is a linear integral transform that mimics the data formation process in medical imaging modalities like X-ray Computerized Tomography and Positron Emission Tomography. The Hough transform is a pattern recognition…

Hashing has been recognized as an efficient representation learning method to effectively handle big data due to its low computational complexity and memory cost. Most of the existing hashing methods focus on learning the low-dimensional…

计算机视觉与模式识别 · 计算机科学 2019-01-08 Yujuan Ding , Wai Kueng Wong , Zhihui Lai , Zheng Zhang

The ability to resolve detail in the object that is being imaged, named by resolution, is the core parameter of an imaging system. Super-resolution is a class of techniques that can enhance the resolution of an imaging system and even…

数据结构与算法 · 计算机科学 2022-10-13 Yaonan Jin , Daogao Liu , Zhao Song

Many techniques have been proposed to speedup the performance of classic Hough Transform. These techniques are primarily based on converting the voting procedure to a hierarchy based voting method. These methods use approximate…

计算机视觉与模式识别 · 计算机科学 2010-07-06 Chandan Singh , Nitin Bhatia

Some conventional transforms such as Discrete Walsh-Hadamard Transform (DWHT) and Discrete Cosine Transform (DCT) have been widely used as feature extractors in image processing but rarely applied in neural networks. However, we found that…

计算机视觉与模式识别 · 计算机科学 2019-07-01 Joonhyun Jeong , Sung-Ho Bae

The Harrow-Hassidim-Lloyd (HHL) algorithm is a quantum algorithm for solving systems of linear equations that, in principle, offers an exponential improvement in scaling with the system size compared to classical approaches. In this work,…

量子物理 · 物理学 2026-03-18 Dhruv Sood , Nilmani Mathur , Vikram Tripathi