Questions tagged [openalpr]

Automatic License Plate Recognition library

OpenALPR is an open source Automatic License Plate Recognition library written in C++ with bindings in C#, Java, Node.js, and Python. The library analyzes images and video streams to identify license plates. The output is the text representation of any license plate characters.

http://www.openalpr.com

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ReadAsStringAsync only returns part of the JSON / BODY

I'm trying to setup an integration point to an Automatic License Plate Recognition (ALPR) system. I'm using OpenALPR. On the local PC there is an agent with a IP camera installed that will read the license plate and send info to the cloud. In the…
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Can't install Nuget package "RestSharp"

I have to install the RestSharp NuGet package. But everytime i try to, these error shows up: Installing via Console: Or installing via the NuGet UI: I need RestSharp for openALPR API. Thanks for reading my question and maybe even anwsering…
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Algorithm or tool for finding edges of a different area when comparing two images

I am working on a community project which goal is to reduce the speeding violations. In order to recognize the car's license plates I am using OpenALPR. The problem is that it is sensitive to camera position, that is the angle and OpenALPR have…
Ognyan
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OpenALPR Compiled for Android Usage

I have follow this tutorial for Android Compilation : https://github.com/openalpr/openalpr/wiki/Android-compilation I used the script provided. I managed to compile and got the libraries with some hardships, of course. My questions are: It is…
Lyn
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Trying to run openalpr error but this error encounter OSError: [Errno 2] No such file or directory

I try to run python program in which I want scan number plate using web camera of my laptop but I get this error when I try to run it. I use OpenALPR and OpenCV for this. I am attaching a screenshot of errors. image of error: Here below is the…
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How can I initialize `libdc1394` on Docker

I'm having an error with Docker libdc1394 error: Failed to initialize libdc1394. I'm following the tutorial to run openalpr on Docker (bottom of the page). tmp $curl -O http://plates.openalpr.com/h786poj.jpg % Total % Received % Xferd Average…
Papouche Guinslyzinho
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Error in packages imported in OpenALPR using JNI method in Java on Ubuntu 16.04

I want to build the sample code of openalpr library using jni method in java on Ubuntu 16.04.When I run this code in eclipse neon it shows error in packages imported as cross mark in code. imported package is import com.openalpr.jni.Alpr; Error:…
Ashok
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How to make HTTP stream from RTSP

I have LRP camera which produces RTSP stream in rtsp://172.16.4.6. I use VLC to see this streaming. Then I need to use ALPR Daemon for passing stream in http:// to recognize registration plates captured by camera. According to documentation in…
Peter Parker
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Error shared libraries libopencv_xphoto.so.3.1 missing

I'm working on Raspberry Pi Raspbian GNU/Linux 8 (jessie). I have installed -Tesseract 4.00.00alpha - leptonica-1.74.1 -libjpeg 6b (libjpeg-turbo 1.3.1) : libpng 1.2.50 : libtiff 4.0.3 : zlib 1.2.8 -OpenCV 2.4.11 Installed…
Carlos.V
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Cannot Load OpenALPR inside the WCF application

I am trying to run OpenALPR inside my WCF application, and far I am not able to run it. I keep getting "Could not load file or assembly 'openalpr-net.DLL' or one of its dependencies. The specified module could not be found." error on both IIS as…
Hitin
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OpenALPR crash - Attempted to read or write protected memory

I have a C# program that has been crashing after a variable amount of time. I've tracked it down to OpenALPR and have now duplicated the problem in a test program. I basically ask to get the plates from an image in a while loop. It fails…
LawfulEvil
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I run the python open alrp project but I am getting a file not found error

I'm trying to use the python openalrp plate reading project, but I get an error. can you please help? parser.add_argument("--config", dest="config", action="store", default="ALRP/openalpr.conf", help="Path to openalpr.conf config…
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