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To improve light yield and energy resolution in large-volume neutrino detectors, light concentrators are often mounted on photomultiplier tubes to increase the detection efficiency of optical photons from scintillation or Cherenkov light…

仪器与探测器 · 物理学 2018-01-16 Yu Zhi , Ye Liang , Zhe Wang , Shaomin Chen

Automatic extraction methods typically assume that line segments are pronounced, thin, few and far between, do not cross each other, and are noise and clutter-free. Since these assumptions often fail in realistic scenarios, many line…

计算机视觉与模式识别 · 计算机科学 2014-11-18 Rui F. C. Guerreiro

This paper presents novel hybrid architectures that combine grid- and point-based processing to improve the detection performance and orientation estimation of radar-based object detection networks. Purely grid-based detection models…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Michael Ulrich , Sascha Braun , Daniel Köhler , Daniel Niederlöhner , Florian Faion , Claudius Gläser , Holger Blume

Surface defect detection is an extremely crucial step to ensure the quality of industrial products. Nowadays, convolutional neural networks (CNNs) based on encoder-decoder architecture have achieved tremendous success in various defect…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Junpu Wang , Guili Xu , Fuju Yan , Jinjin Wang , Zhengsheng Wang

Visual place recognition tasks often encounter significant challenges in landmark detection due to the presence of irrelevant objects such as humans, cars, and trees, despite the remarkable progress achieved by previous models, especially…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Mohammad Javad Rajabi , Morteza Mirzai , Ahmad Nickabadi

Following the success of machine vision systems for on-line automated quality control and inspection processes, an object recognition solution is presented in this work for two different specific applications, i.e., the detection of quality…

计算机视觉与模式识别 · 计算机科学 2022-07-01 Kai Yao , Alberto Ortiz , Francisco Bonnin-Pascual

Scarcity of training data is one of the prominent problems for deep networks which require large amounts data. Data augmentation is a widely used method to increase the number of training samples and their variations. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2020-12-10 Hilmi Kumdakcı , Cihan Öngün , Alptekin Temizel

Arbitrary-oriented object detection (AOOD) is a challenging task to detect objects in the wild with arbitrary orientations and cluttered arrangements. Existing approaches are mainly based on anchor-based boxes or dense points, which rely on…

计算机视觉与模式识别 · 计算机科学 2022-05-26 Linhui Dai , Hong Liu , Hao Tang , Zhiwei Wu , Pinhao Song

In this paper we propose an algorithm for the detection of edges in images that is based on topological asymptotic analysis. Motivated from the Mumford--Shah functional, we consider a variational functional that penalizes oscillations…

数值分析 · 数学 2013-06-12 E. Beretta , M. Grasmair , M. Muszkieta , O. Scherzer

The primal-dual hybrid gradient method (PDHG) is useful for optimization problems that commonly appear in image reconstruction. A downside of PDHG is that there are typically three user-set parameters and performance of the algorithm is…

最优化与控制 · 数学 2025-03-25 Alex McManus , Stephen Becker , Nicholas Dwork

Locality-sensitive hashing (LSH) is a fundamental technique for similarity search and similarity estimation in high-dimensional spaces. The basic idea is that similar objects should produce hash collisions with probability significantly…

计算几何 · 计算机科学 2017-09-25 Joachim Gudmundsson , Rasmus Pagh

PHD filtering is a common and effective multiple object tracking (MOT) algorithm used in scenarios where the number of objects and their states are unknown. In scenarios where each object can generate multiple measurements per scan, some…

计算机视觉与模式识别 · 计算机科学 2021-09-03 Jakob Sjudin , Martin Marcusson , Lennart Svensson , Lars Hammarstrand

Recently, learning to hash has been widely studied for image retrieval thanks to the computation and storage efficiency of binary codes. For most existing learning to hash methods, sufficient training images are required and used to learn…

信息检索 · 计算机科学 2019-03-04 Ji Liu , Lei Zhang

Detecting oriented objects along with estimating their rotation information is one crucial step for analyzing remote sensing images. Despite that many methods proposed recently have achieved remarkable performance, most of them directly…

计算机视觉与模式识别 · 计算机科学 2021-12-02 Yanjie Wang , Xu Zou , Zhijun Zhang , Wenhui Xu , Liqun Chen , Sheng Zhong , Luxin Yan , Guodong Wang

Standard neural network based on general back propagation learning using delta method or gradient descent method has some great faults like poor optimization of error-weight objective function, low learning rate, instability .This paper…

神经与进化计算 · 计算机科学 2012-12-20 Mriganka Chakraborty , Arka Ghosh

Knowledge distillation can lead to deploy-friendly networks against the plagued computational complexity problem, but previous methods neglect the feature hierarchy in detectors. Motivated by this, we propose a general framework for…

计算机视觉与模式识别 · 计算机科学 2021-05-13 Yangyang Qin , Hefei Ling , Zhenghai He , Yuxuan Shi , Lei Wu

Modern methods mainly regard lane detection as a problem of pixel-wise segmentation, which is struggling to address the problems of efficiency and challenging scenarios like severe occlusions and extreme lighting conditions. Inspired by…

计算机视觉与模式识别 · 计算机科学 2022-06-16 Zequn Qin , Pengyi Zhang , Xi Li

In this paper, we introduce HoughToRadon Transform layer, a novel layer designed to improve the speed of neural networks incorporated with Hough Transform to solve semantic image segmentation problems. By placing it after a Hough Transform…

计算机视觉与模式识别 · 计算机科学 2024-02-06 Alexandra Zhabitskaya , Alexander Sheshkus , Vladimir L. Arlazarov

Rotation augmentations generally improve a model's invariance/equivariance to rotation - except in object detection. In object detection the shape is not known, therefore rotation creates a label ambiguity. We show that the de-facto method…

计算机视觉与模式识别 · 计算机科学 2021-10-04 Agastya Kalra , Guy Stoppi , Bradley Brown , Rishav Agarwal , Achuta Kadambi

Robotic grasp detection task is still challenging, particularly for novel objects. With the recent advance of deep learning, there have been several works on detecting robotic grasp using neural networks. Typically, regression based grasp…

计算机视觉与模式识别 · 计算机科学 2018-03-06 Dongwon Park , Se Young Chun