advancedskrald/ChessAR/Assets/OpenCVForUnity/Examples/MainModules/imgproc/MatchTemplateExample/MatchTemplateExample.cs

71 lines
2.7 KiB
C#
Executable File

using UnityEngine;
using UnityEngine.SceneManagement;
using System.Collections;
using OpenCVForUnity.CoreModule;
using OpenCVForUnity.ImgprocModule;
using OpenCVForUnity.UnityUtils;
namespace OpenCVForUnityExample
{
/// <summary>
/// MatchTemplate Example
/// An example of template matching using the Imgproc.matchTemplate function.
/// http://docs.opencv.org/3.2.0/de/da9/tutorial_template_matching.html
/// </summary>
public class MatchTemplateExample : MonoBehaviour
{
// Use this for initialization
void Start ()
{
Texture2D imgTexture = Resources.Load ("lena") as Texture2D;
Texture2D tempTexture = Resources.Load ("template") as Texture2D;
Mat imgMat = new Mat (imgTexture.height, imgTexture.width, CvType.CV_8UC4);
Mat tempMat = new Mat (tempTexture.height, tempTexture.width, CvType.CV_8UC4);
Utils.texture2DToMat (imgTexture, imgMat);
Utils.texture2DToMat (tempTexture, tempMat);
//Create the result mat
int result_cols = imgMat.cols () - tempMat.cols () + 1;
int result_rows = imgMat.rows () - tempMat.rows () + 1;
Mat result = new Mat (result_rows, result_cols, CvType.CV_32FC1);
int match_method = Imgproc.TM_CCOEFF_NORMED;
Imgproc.matchTemplate (imgMat, tempMat, result, match_method);
Imgproc.threshold (result, result, 0.8, 1.0, Imgproc.THRESH_TOZERO);//threshold = 0.8
for (int i = 0; i < result.rows (); i++) {
for (int j = 0; j < result.cols (); j++) {
if (result.get (i, j) [0] > 0) {
Imgproc.rectangle (imgMat, new Point (j, i), new Point (j + tempMat.cols (), i + tempMat.rows ()), new Scalar (255, 0, 0, 255), 2);
Debug.Log ("value" + result.get (i, j) [0]);
}
}
}
Texture2D texture = new Texture2D (imgMat.cols (), imgMat.rows (), TextureFormat.RGBA32, false);
Utils.matToTexture2D (imgMat, texture);
gameObject.GetComponent<Renderer> ().material.mainTexture = texture;
}
// Update is called once per frame
void Update ()
{
}
/// <summary>
/// Raises the back button click event.
/// </summary>
public void OnBackButtonClick ()
{
SceneManager.LoadScene ("OpenCVForUnityExample");
}
}
}