Questions tagged [automatic-license-plate-recognition]

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Distributed object detection model using pyspark

I am currently building an automatic number plate recognition system. Is it possible to divide incoming cctv footage and use YOLOv7 object detection model in pyspark or similar distributed processing framework?
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How to capture the time when the program detects the car plate and capture the time when the car plates leaves the camera's view in python cv2 ocr?

So basically I'm making this program that detects car plates from a camera. I want to write to a excel file the correct time that the camera detects the car plate in hh:mm:ss format and the time that the car plates disappears from the camera's view.…
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what's the proper way to make openALPR to read plates in different angles?

I'm using openALPR library to read plate licenses but I'm having issues reading the plates in different angles, like below image. My question is: what's the proper way to do that? Image processing to try make the image straight before submitting…
Jack
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license plate number detection failed using opencv and pytesseract

I was just learning license plate number detection from the following link: Tutorial Link `My code: import cv2 import imutils import pytesseract pytesseract.pytesseract.tesseract_cmd = '/usr/bin/tesseract' image = cv2.imread('test.jpg') image =…
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RuntimeError: Unsuccessful TensorSliceReader constructor Failed to find any matching files for Tensorflow/workspace/models/myssd_mobnet/./model.ckpt-5

I am trying to do Automatic number plate recognition training using google colab and during the process I run this line : # Load pipeline config and build a detection model configs =…
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Is there a way to get the preprocessed image by tesseract ocr in python

I am working on a ALPR project and I am having trouble getting the correct answer. Is there any way i can see the image which is preprocessed by tesseract itself so that i can know what's messing up with my result. TiA. python: 3.10 tesseract:…
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Python Tesseract License Plate Recognition

I'm a programmer, but i have no prior experience with Python or any of its libraries, or even OCR/ALPR as a whole. I have a script that i made (basically copying and paste other scripts for all over the web) that I pretend to use to recognize…
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mask after finding shape's contour

I'm trying to write ANPR project in nodejs. I managed to draw the contours around the license plate, but now I want to mask it. this is what I got now (just without the text): i want to mask it like so (and even crop it afterwards): this is my…
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How to get clean output from easyocr

This is from a opencv+easyocr number plate recognition script opencv crops the image to number plate and gives,clean great output to the easyocr. but what are these bunch of numbers its reading result = reader.readtext(opencv(mypath)) Result: …
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how to read this type of JSON file from PHP [Json results from open alpr ]?

I need to know how to extract JSON data like the JSON format posted below to php, Im trying to extract following Json file key value data to a mysql using a php script. Following JSON is from openalpr using alpr on command line exported as json …
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SyntaxError: Unexpected end of JSON input: OpenALPR using Node and Javascript

When using the try/catch statement for var data declaration, the program will output 'No License Plate Found', even if there is. If the try/catch statement is removed, the program prints perfectly when there is no License Plate in the frame, but…
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SyntaxError: Unexpected end of JSON input: ALPR

The program prints perfectly when there is no License Plate in the frame, but when there is, I get the SyntaxError. Node.js and OpenALPR is installed. Photos are successfully being taken also. const PiCamera = require('pi-camera'); function…
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Post beanstalk queue data to Mssql using python script

Guys I'm currently developing an offline ALPR solution. So far I've used OpenAlpr software running on Ubuntu. By using a python script I found on StackOverlFlow I'm able to read the beanstalk queue data (plate number & meta data) of the ALPR but I…
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How to distinguish between different license plates using OpenCV

Currently working on licentiate detection system and need some guidance on how to proceed. I can capture (via video playback) and with the help of an open source library called OpenALPR display the license plates directly to the terminal, now the…
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Python unable to load OpenALPR, working fine in CLI

I'm trying to install OpenALPR on my Raspberry Pi, with Raspbian 4.19 and Python 3.7. I followed this guide to install OpenAlpr and it works fine when called from the CLI. I'm now trying to make it work in a little python script, but I can't even…