Questions tagged [automatic-license-plate-recognition]

100 questions
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separate characters from borders after thresholding

I would like to separate characters from borders after thresholding the images: Original image Touching areas Desired Output I'm using python and OpenCV to do the thresholding. Thanks in advance for your help. This is part of the code that makes…
3
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1 answer

JavaANPR local plate recegtion (Localizing)

Im use to JavaANPR http://javaanpr.sourceforge.net/ I have a problem for localizing problem. I want to read Turkey plate but I getting an error not read. Why could it be. Which should I use syntax. my xml syntax
mesutpiskin
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EMGU CV prepare image for OCR

I am new to Open CV and am working on a ALPR solution based on violation images from multiple cameras. In most cases I am able to extract the text from the plate and run OCR however if the image brightness/contrast is out this poses a problem. I've…
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How to get Hikvision DeepinViews license plate number from URL?

I cant find the solution anywhere and mine doesn't seem to work. I just want to see the last plate string in the browser,or the few last plates,doesn't…
Master
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How to increase the speed of object detection using YOLO in C#.net

I want to detect License Plate region by YOLO V3. I've used darknet to create Weights for this purpose. After training a weight file was created. The size of this file was 234 MB and I used darknet53.conv.74 file and 650 images for train. The Config…
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Can we train a haar-cascade to detect numbers and alphabets?

We want to train a particular font and all the alphabets from A-Z and all numbers from 0-9. How many positive and negative samples of each would do the job? It would be a tedious task to do though but tesseract is not that accurate to read number…
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Is there any way to paint my plate numbers to black using JavaCV?

Hi I started using JavaCV two days ago, I m trying to make an ANPR Open Source System at my git repository under Java SE and Maven. I have detected my plate rectangle and now I'm trying to prepare a good image for OCR reading. the original image :…
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Where can find image bank of car plates?

I've been told about car's plate image database that are avaliable on the web for free download to develop image processing and automatic number plate recognition algorithms, does anyone have a link to download or at least some keywords to search on…
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How to use javaanpr in Android app?

I would like to use this library for Car plate recognition in my Android app. I red about JNI, but i'm still not able to get some good explained tutorial, how can i use use this library in my Android app. http://javaanpr.sourceforge.net/ Thanks for…
redrom
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ANPR project - closing immediately on start

I'm trying to run a ANPR project downloaded from http://code.google.com/p/android-anpr/source/. When I try to execute it, the app is closing immediately. I tried to debug it, but it looks like the problem comes from NativeGraphics.yuvToRGB(data,…
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Capture a Image from a live video streaming and display the image in a static text box using python

I am using a parking camera where i need to capture a image of a Number plate from a live video streaming. I developed a python GUI and i need to capture and display the image, text of the Number plate as well in the same GUI. Could any one help me…
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Numberplate extraction from vehicle image

I am developing an anpr application and I have managed to locate the number plate area from the vehicle image. when i feed this image to tesseract OCR engine it seems to detect a character "L" before "C" so im thinking of taking out the remaining…
Mr.Noob
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How to use image OCR for videos?

Currently I am working on automatic number plate recognition system. I have used yolov7 for number plate detection and Text detection facility from Google vision API. I have tested the whole system with test images. Now I am willing to develop the…
Rashmi
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ANPR events with picture Hikvision Node

I have subscrived to the events of a Hikvision camera doing a get request to /ISAPI/Event/notification/alertStream. I am interested in ANPR events, this type of events return a multipart response which includes an xml with the event info, a license…
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How to detect the number plate with the most black pixels. If there is another method pls comment

Im trying to detect the ROI with the most black pixels for the license plate Below are the code on the number plate. It is based of the question of How to recognize vehicle license / number plate (ANPR) from an image?. I modified it a bit b import…