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相关论文: FFD: Fast Feature Detector

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Feature point (FP) detection is a fundamental step of many computer vision tasks. However, FP detectors are usually designed for low dynamic range (LDR) images. In scenes with extreme light conditions, LDR images present saturated pixels,…

计算机视觉与模式识别 · 计算机科学 2023-08-10 Artur Santos Nascimento , Welerson Augusto Lino de Jesus Melo , Daniel Oliveira Dantas , Beatriz Trinchão Andrade

The computational efficiency of the Finite-Difference Time-Domain (FDTD) method can be significantly reduced by the presence of complex objects with fine features. Small geometrical details impose a fine mesh and a reduced time step,…

计算工程、金融与科学 · 计算机科学 2021-06-30 Xinyue Zhang , Fadime Bekmambetova , Piero Triverio

Geospatial object detection of remote sensing imagery has been attracting an increasing interest in recent years, due to the rapid development in spaceborne imaging. Most of previously proposed object detectors are very sensitive to object…

计算机视觉与模式识别 · 计算机科学 2020-02-19 Xin Wu , Danfeng Hong , Jocelyn Chanussot , Yang Xu , Ran Tao , Yue Wang

Our paper introduces a novel two-stage self-supervised approach for detecting co-occurring salient objects (CoSOD) in image groups without requiring segmentation annotations. Unlike existing unsupervised methods that rely solely on…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Souradeep Chakraborty , Dimitris Samaras

Convolutional neural network (CNN) based face detectors are inefficient in handling faces of diverse scales. They rely on either fitting a large single model to faces across a large scale range or multi-scale testing. Both are…

计算机视觉与模式识别 · 计算机科学 2017-06-30 Zekun Hao , Yu Liu , Hongwei Qin , Junjie Yan , Xiu Li , Xiaolin Hu

We present a novel method for efficiently producing semi-dense matches across images. Previous detector-free matcher LoFTR has shown remarkable matching capability in handling large-viewpoint change and texture-poor scenarios but suffers…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Yifan Wang , Xingyi He , Sida Peng , Dongli Tan , Xiaowei Zhou

A classification technique incorporating a novel feature derivation method is proposed for predicting failure of a system or device with multivariate time series sensor data. We treat the multivariate time series sensor data as images for…

机器学习 · 计算机科学 2021-09-22 Lanfa Frank Wang , Danjue Li

As one of the automotive sensors that have emerged in recent years, 4D millimeter-wave radar has a higher resolution than conventional 3D radar and provides precise elevation measurements. But its point clouds are still sparse and noisy,…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Hongsi Liu , Jun Liu , Guangfeng Jiang , Xin Jin

In this paper, we present a new fault diagnosis (FD) -based approach for detection of imagery changes that can detect significant changes as inconsistencies between different sub-modules (e.g., self-localizaiton) of visual SLAM. Unlike…

计算机视觉与模式识别 · 计算机科学 2019-09-23 Sugimoto Takuma , Yamaguchi Kousuke , Tanaka Kanji

Recent research advances in salient object detection (SOD) could largely be attributed to ever-stronger multi-scale feature representation empowered by the deep learning technologies. The existing SOD deep models extract multi-scale…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Zhenyu Wu , Shuai Li , Chenglizhao Chen , Hong Qin , Aimin Hao

In this paper we show that by carefully making good choices for various detailed but important factors in a visual recognition framework using deep learning features, one can achieve a simple, efficient, yet highly accurate image…

计算机视觉与模式识别 · 计算机科学 2015-04-24 Bin-Bin Gao , Xiu-Shen Wei , Jianxin Wu , Weiyao Lin

Many computer vision and image processing applications rely on local features. It is well-known that motion blur decreases the performance of traditional feature detectors and descriptors. We propose an inertial-based deblurring method for…

计算机视觉与模式识别 · 计算机科学 2018-05-23 Janne Mustaniemi , Juho Kannala , Simo Särkkä , Jiri Matas , Janne Heikkilä

Existing deep embedding methods in vision tasks are capable of learning a compact Euclidean space from images, where Euclidean distances correspond to a similarity metric. To make learning more effective and efficient, hard sample mining is…

计算机视觉与模式识别 · 计算机科学 2016-10-28 Chen Huang , Chen Change Loy , Xiaoou Tang

The unsupervised anomaly localization task faces the challenge of missing anomaly sample training, detecting multiple types of anomalies, and dealing with the proportion of the area of multiple anomalies. A separate teacher-student feature…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Chao Hu , Shengxin Lai

The Feature Pyramid Network (FPN) presents a remarkable approach to alleviate the scale variance in object representation by performing instance-level assignments. Nevertheless, this strategy ignores the distinct characteristics of…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Lin Song , Yanwei Li , Zhengkai Jiang , Zeming Li , Hongbin Sun , Jian Sun , Nanning Zheng

Methods that combine local and global features have recently shown excellent performance on multiple challenging deep image retrieval benchmarks, but their use of local features raises at least two issues. First, these local features simply…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Philippe Weinzaepfel , Thomas Lucas , Diane Larlus , Yannis Kalantidis

Fine-grained action detection is an important task with numerous applications in robotics and human-computer interaction. Existing methods typically utilize a two-stage approach including extraction of local spatio-temporal features…

计算机视觉与模式识别 · 计算机科学 2019-11-11 Khoi-Nguyen C. Mac , Dhiraj Joshi , Raymond A. Yeh , Jinjun Xiong , Rogerio S. Feris , Minh N. Do

Keypoints are what enable Structure-from-Motion (SfM) systems to scale to thousands of images. However, designing a keypoint detection objective is a non-trivial task, as SfM is non-differentiable. Typically, an auxiliary objective…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Johan Edstedt , Georg Bökman , Mårten Wadenbäck , Michael Felsberg

We aim to study the multi-scale receptive fields of a single convolutional neural network to detect faces of varied scales. This paper presents our Multi-Scale Receptive Field Face Detector (MSFD), which has superior performance on…

计算机视觉与模式识别 · 计算机科学 2019-03-12 Qiushan Guo , Yuan Dong , Yu Guo , Hongliang Bai

Alignment between non-rigid stretchable structures is one of the most challenging tasks in computer vision, as the invariant properties are hard to define, and there is no labeled data for real datasets. We present unsupervised neural…

计算机视觉与模式识别 · 计算机科学 2022-08-30 Idan Pazi , Dvir Ginzburg , Dan Raviv