Results 21 to 30 of about 8,025,626 (297)

Research on Local Feature Intelligent Extraction Algorithm of Blurred Image Under Complex Illumination Conditions

open access: yesIEEE Access, 2021
Traditionally, multi-label feature extraction algorithm is used to extract local features of blurred images under complex illumination conditions. The computational complexity is extremely high and the extraction efficiency is low.
Jia Wang, Surng-Gahb Jahng
doaj   +1 more source

Web Map / Feature Services Cookbook

open access: yes, 2023
Learn how to use web map and feature services to easily and quickly provide spatial context, without the need to download and process GBs of data!If you use this cookbook, please cite it as ...
Huang, Andrew   +1 more
core   +1 more source

Large-Scale Text Classification Using Scope-Based Convolutional Neural Network: A Deep Learning Approach

open access: yesIEEE Access, 2019
Text classification is one of the most important and typical tasks in Natural Language Processing (NLP) which can be applied for many applications. Recently, deep learning approaches has shown their advantages in solving text classification problem, in ...
Jiaying Wang   +5 more
doaj   +1 more source

Chest L-Transformer: Local Features With Position Attention for Weakly Supervised Chest Radiograph Segmentation and Classification

open access: yesFrontiers in Medicine, 2022
We consider the problem of weakly supervised segmentation on chest radiographs. The chest radiograph is the most common means of screening and diagnosing thoracic diseases.
Hong Gu, Hongyu Wang, Pan Qin, Jia Wang
doaj   +1 more source

Guidelines on sustainable mobility : shared transport [PDF]

open access: yes, 2023
This is the fourth published guideline document, in a series of documents which are being published under the Resident First project headed by the Local Councils’ Association (LCA) and endorsed by all Local Councils in Malta and Gozo.
Zammit, Antoine   +1 more
core  

Efficient storage and decoding of SURF feature points [PDF]

open access: yes, 2012
Practical use of SURF feature points in large-scale indexing and retrieval engines requires an efficient means for storing and decoding these features.
McGuinness, Kevin   +9 more
core   +2 more sources

LOCAL FEATURE EXTRACTION IN IMAGES

open access: yesInformation, Computing and Intelligent systems, 2021
The methods of the local feature point extraction are analyzed. The analysis shows that the most effective detectors are based on the brightness gradient determination. They usually use the Harris angle detector, which is complex in calcu­la­tions.
Anatoliy Sergiyenko   +2 more
openaire   +3 more sources

Fingerprint Feature Extraction for Indoor Localization [PDF]

open access: yesSensors, 2021
This paper proposes a fingerprint-based indoor localization method, named FPFE (fingerprint feature extraction), to locate a target device (TD) whose location is unknown. Bluetooth low energy (BLE) beacon nodes (BNs) are deployed in the localization area to emit beacon packets periodically.
Jehn-Ruey Jiang   +2 more
openaire   +4 more sources

Putting local features on a manifold [PDF]

open access: yes2010 IEEE Computer Society Conference on Computer Vision and Pattern Recognition, 2010
Local features have proven very useful for recognition. Manifold learning has proven to be a very powerful tool in data analysis. However, manifold learning application for images are mainly based on holistic vectorized representations of images. The challenging question that we address in this paper is how can we learn image manifolds from a punch of ...
Marwan Torki, Ahmed M. Elgammal
openaire   +1 more source

A Viterbi tracker for local features [PDF]

open access: yesSPIE Proceedings, 2010
The long term tracking of sparse local features in an image is important for many applications including camera calibration for stereo applications, camera or global motion estimation and people surveillance. The majority of existing tracking frameworks are based on some kind of prediction/correction idea e.g. KLT and Particle Filters.
Gary Baugh, Anil C. Kokaram
openaire   +3 more sources

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