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SET detector

Application to detect SET of cards

This application is able to recognize the SET cards and to play the classic game. It is composed up from three parts:

  • Server side application (created by using Spring Framework)
  • Android application
  • Web application

The SET card game

Set is a real-time card game published by the Set Enterprises in 1991. The deck consist of 81 cards varying in four features:

  • number (one, two, three);
  • symbol (diamond, squiggle, oval);
  • shading (solid, striped, open);
  • color (red, green and purple);

A set consist of three cards satisfying all of the following conditions:

  • They all have the same number of symbols or have three different number of symbols;
  • They all have the same symbol or have three different symbols;
  • They all have the same shading or have three different shadings;
  • They all have the same color or have three different colors;

For example these three cards form a set:

sample set cards

The SET detector application

This application is composed up by two main part:

  • server part - recognizes the image and check if a SET is present on the cards
  • client part - uploads a picture and presents the results

Let's see how the android application works:

  1. First you have to take a picture and send it to the server;

SET detector take a picture

  1. The server processes your image and sends back the response what will be presented by the client application;

recognized SET cards SET detected SET2 detected

Compile and run the application

1) Compile and run the server side

Before compiling the server project, you have to do the following steps:

  • Step #1: Change the configuration parameters in the src/main/resources/application.yml configuration file; Change the host and port settings acccording to your server settings. If you run the server on localhost you can run the ifconfig command on linux or ipconfig command on windows in order to obtain your ip address.
  • Step #2: Download the frozen graphs from my Google Drive here. Create the graph/YOLO directory under the /server/ root and rename the yolo-voc_19500.pb file to yolo-setcards.pb.
  • Step #3: From the /server/ root directory open a terminal window and type the following command:
    ./gradlew clean build -xtest
    ./gradlew bootRun
    Now, you can open the http://localhost:8080 and you should be able to upload and recognize cards. It should look like this one:

SET detector web application

2) Compile and run the client side application

  • Step #1: modify the configuration file: Config.java Change the host and port to point to your server. It can be either a domain or an ip address. If you run the server on localhost you can run the ifconfig command on linux or ipconfig command on windows in order to obtain your ip address.
  • Step #2: open the project in Android Studio, connect your device to your computer and run the application. You can also build the mobile project with Gradle.

Previous work

I reused some parts of my previous project to create this one: