Performance of Interpolated Histogram of Oriented Gradients on the Feature Calculation of SIFT

Cayiroglu, I.

doi:10.4316/aece.2022.03010

Cited by 1 publication

(1 citation statement)

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“…Classification is the development of a decision rule that transforms the attributes characterizing the shapes into class membership (passage from the coding space to the decision space). Before a decision model can be integrated into a recognition system, two steps must be completed: the learning step and the testing step [19]- [24]. The object is classified as a LP or NLP by using a conventional SVM-based window classifier, as shown in Figures 2-3.…”

Section: Pruning Of the Lp Candidatesmentioning

confidence: 99%

Two-stage HOG/SVM for license plate detection and recognition

Mazouz,

Meche,

Ouamri

et al. 2024

IJEECS

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Automatic license plate recognition (ALPR) is one of the technologies used in intelligent transport systems (ITS) to read vehicle license plates automatically. The extracted information has various potential applications, including but not limited to an electronic payment gateway, a system for paying parking fees, road surveillance, and managing traffic flow. In this paper, we propose an efficient method to detect and identify the Algerian license plate (LP). This method consists of a two-stage algorithm that combines the histogram of oriented gradients (HOG) with the support vector machine (SVM) classifier. The purpose of the first stage of HOG/SVM is the detection of the LP, while the recognition of the digits is accomplished by the second stage of HOG/SVM. As first contribution, a dataset of standard Algerian LP not available elsewhere is built (DZLP dataset), The second is a proposal of a very efficient pre-processing step for LP detection and digit recognition. Experimental results show that the proposed approach yields very high license plate and average digits recognition rates, which of 97.5% and 99.46%, respectively.

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Section: Pruning Of the Lp Candidatesmentioning

confidence: 99%