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Micro QR Code Reader

Overview

This open-source project is a Micro QR code reader application built using FastAPI and various image processing libraries.

Purpose

The goal of this application is to provide a high-precision Micro QR code reading service. It leverages advanced image processing techniques to accurately extract information from these small and data-limited QR codes.

Challenges of Micro QR Code Reading

Micro QR codes pose unique challenges compared to traditional QR codes due to their significantly smaller size and reduced data capacity. Challenges include accurate edge detection and optical character recognition (OCR) in a constrained space.

Technologies Used

  • FastAPI: A modern, high-performance web framework.
  • PyBoof: A computer vision library for Python.

Running the Application

Prerequisites

  • Python 3.x installed on your system.
  • Java(https://openjdk.org/) 8+ installed on your system. Tested with 17.x

Install & Run (without docker/compose)

  1. Clone the repository:

    git clone https://github.com/isikhi/fast-micro-qr-reader-api.git
cd fast-micro-qr-reader-api

  2. Install dependencies:

    pip install -r requirements.txt

  3. Run with default port(8000)

    uvicorn app.main:app --reload

Install & Run with docker

  1. Clone the repository:

    git clone https://github.com/isikhi/fast-micro-qr-reader-api.git
cd fast-micro-qr-reader-api

  2. Build the Docker image:

    docker build -t fast-micro-qr-reader-api .

  3. Run the Docker container

    docker run -p 8080:8080 fast-micro-qr-reader-api

Install & Run with docker compose(Optional)

  1. Build and run with Docker Compose(if you want to detach add -d flag to end):

    docker run -p 8080:8080 fast-micro-qr-reader-api

Check and Test

Server is up?

Curl Request for Micro QR Code Decoding

  • Make sure to replace /home/isikhi/test/... with the actual paths of your image files and use curl or import to postman
curl --location 'localhost:8080/micro-qrs/decode' \
--form 'files=@"/home/isikhi/test/microqr1.png"' \
--form 'files=@"/home/isikhi/test/microqr2.png"'

HTTP Request for Micro QR Code Decoding

  • Make sure to replace /home/isikhi/test/... with the actual paths of your image files and use your IDE http tool
POST http://localhost:8080/micro-qrs/decode
Content-Type: multipart/form-data; boundary=--------------------------239061361532539650648925

--------------------------239061361532539650648925
Content-Disposition: form-data; name="files"; filename="/home/isikhi/test/microqr1.png"
Content-Type: image/png

<@/home/isikhi/test/microqr1.png
--------------------------239061361532539650648925
Content-Disposition: form-data; name="files"; filename="/home/isikhi/test/microqr2.png"
Content-Type: image/png

<@/home/isikhi/test/microqr2.png
--------------------------239061361532539650648925--