Results 41 to 50 of about 3,899,370 (385)

Coloring Local Feature Extraction [PDF]

open access: yes, 2006
Although color is commonly experienced as an indispensable quality in describing the world around us, state-of-the art local feature-based representations are mostly based on shape description, and ignore color information. The description of color is hampered by the large amount of variations which causes the measured color values to vary ...
van de Weijer, Joost, Schmid, Cordelia
openaire   +3 more sources

Multi-Label Feature Extraction Method Relied on Feature-Label Dependence Auto-encoder

open access: yesJisuanji kexue yu tansuo, 2020
In multi-label learning, how to deal with high-dimensional features has always been one of the research difficulties. The feature extraction algorithm can effectively solve the problem of classification performance degra-dation caused by high ...
CHENG Yusheng, LI Zhiwei, PANG Shufang
doaj   +1 more source

Style Feature Extraction Using Contrastive Conditioned Variational Autoencoders with Mutual Information Constraints [PDF]

open access: yes, 2023
Extracting fine-grained features such as styles from unlabeled data is crucial for data analysis. Unsupervised methods such as variational autoencoders (VAEs) can extract styles that are usually mixed with other features. Conditional VAEs (CVAEs) can isolate styles using class labels; however, there are no established methods to extract only styles ...
arxiv   +1 more source

Spatio-temporal Gait Feature with Global Distance Alignment [PDF]

open access: yesarXiv, 2022
Gait recognition is an important recognition technology, because gait is not easy to camouflage and does not need cooperation to recognize subjects. However, many existing methods are inadequate in preserving both temporal information and fine-grained information, thus reducing its discrimination.
arxiv  

Transport Model for Feature Extraction

open access: yesSIAM Journal on Mathematics of Data Science, 2021
We present a new feature extraction method for complex and large datasets, based on the concept of transport operators on graphs. The proposed approach generalizes and extends the many existing data representation methodologies built upon diffusion processes, to a new domain where dynamical systems play a key role.
Wojciech Czaja   +3 more
openaire   +2 more sources

Optimizing IoT intrusion detection system: feature selection versus feature extraction in machine learning

open access: yesJournal of Big Data
Internet of Things (IoT) devices are widely used but also vulnerable to cyberattacks that can cause security issues. To protect against this, machine learning approaches have been developed for network intrusion detection in IoT.
Jing Li   +3 more
semanticscholar   +1 more source

Feature Extraction Methods: A Review

open access: yesJournal of Physics: Conference Series, 2020
Feature extraction is the main core in diagnosis, classification, clustering, recognition, and detection. Many researchers may by interesting in choosing suitable features that used in the applications.
Wamidh K. Mutlag   +3 more
semanticscholar   +1 more source

Ripeness identification of chayote fruits using HSI and LBP feature extraction with KNN classification

open access: yesIlkom Jurnal Ilmiah, 2022
This study aims to build a system to identify the ripeness level of chayote that can be done easily and without damaging the quality of the chayote.
Siska Anraeni   +2 more
doaj   +1 more source

K-MEANS CLUSTERING FOR EGG EMBRYO'S DETECTION BASED-ON STATISTICAL FEATURE EXTRACTION APPROACH OF CANDLING EGGS IMAGE

open access: yesJurnal Ilmiah SINERGI, 2020
This research discusses the detection of embryonic eggs using the k-means clustering method based on statistical feature extraction. The processes that occur in detection are image acquisition, image enhancement, feature extraction, and identification ...
Shoffan Saifullah
doaj   +1 more source

Extraction of Projection Profile, Run-Histogram and Entropy Features Straight from Run-Length Compressed Text-Documents [PDF]

open access: yes2013 Second IAPR Asian Conference on Pattern Recognition, Pages 813-817, 2014
Document Image Analysis, like any Digital Image Analysis requires identification and extraction of proper features, which are generally extracted from uncompressed images, though in reality images are made available in compressed form for the reasons such as transmission and storage efficiency.
arxiv   +1 more source

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