How to detect numbers in a picture? [closed] - php

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Is there any php class that detects numbers in a picture? for example detecting a license plate in a picture.
I couldn't find any usfull information in google search.

Have a look to this library: phpOCR

phpOCR is an Optical Character Recognition system written in PHP. It can be used in automated scripts as well as web interface. Works best for small images like numeric SMS/email authorization codes, bar-code numbers and others.
http://phpocr.sourceforge.net/

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how to prevent video download by user in php [closed]

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I hope you are fine
I want to write a simple php code that the user cant download the movie like youtube site and can only see, I came across a series of results such as hls, ffmpeg, rtmp in my search, but I do not know which one is useful or has a library for php at all or not.
Thank you for your time.
It’s not possible. The server can not differentiate between “downloading” and “playing”.

Take random photos with PHP [closed]

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I am building an examination system. I was wondering, could I take random photos of the person taking the exam in random intervals? The students will be required to allow the site to use the camera for them to access the question. The system will then take random photos in random intervals. I want to use PHP or anyone with an idea how I can go about it?
Javascript is more suited for that kind of task. Check out this API for more informations ¸
Edit, You should take in consideration that not alot of browsers allows it. it seams to be more accepted in mobile browser.
Hopes it helps !
Nic

PHP Generating .zpl files [closed]

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I wrote web service which will generate label from certain parameters and will return it as PDF. Now I must improve it by returning generated label as PDF or ZPL format.
Unfortunately, I have zero knowledge on working with ZPL. What is ZPL? Is it some kind of file format? What is used for? How its generated? Any open-source PHP libraries for it?
It would be nice if someone would provide some whitepapers or some kind of reference about ZPL.
Web service is written in PHP.
I think you are looking for this information:
https://en.wikipedia.org/wiki/Zebra_(programming_language)

Play a beep sound on onboard speaker using PHP [closed]

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I want to play an beep sound on internal(on-board) speaker to alert the user about a specific activity on a webpage.
Is it possible in PHP?
No this is not possible, not on the client's machine anyway. PHP is a back-end language that uses HTML / CSS as a front-end output, thus you can't do anything to the user's machine that the front-end languages can't do (HTML, CSS, Javascript)

PHP hide or cut part of image by unwanted text or sign on the picture [closed]

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How to hide or cut or blur for example car numbers on image?
so if i have thousand of image with cars like this
and i want to get something like this
So in which direction i should work to do this thing? There are default tools for this?
What you need is a face detection tool. For PHP, I know this script:
https://github.com/mauricesvay/php-facedetection
(Here is the detailed usage: http://www.codediesel.com/algorithms/face-detection-in-images-using-php/)
Just for fun, take a look in Google's Algorithm for Maps License Plate Blur tool:
http://static.googleusercontent.com/media/research.google.com/pt-BR//archive/papers/cbprivacy_iccv09.pdf

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