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トップに関する質問マーカー上にオブジェクトの描画をしたい。

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2

誤字を治した

2021/12/14 05:48

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himel
himel

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  cnt++;
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  var average1_Y = midllePoints[0].Y + (midllePoints[1].Y - midllePoints[0].Y) / 2;
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- // var average1_Z = 0;
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  center.Add(new Point2f(average1_X, average1_Y));
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1

ソースコードを追加した

2021/12/14 05:48

投稿

himel
himel

スコア0

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  UnityとOpencvを用いてARUCOマーカー上にcudeを出現させたいのですが、どうやってできるでしょうか？
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  RawImageをつかってそこにカメラ画像を写してやっています。
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+ ```ここに言語を入力
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+
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+ using UnityEngine;
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+
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+ using OpenCvSharp;
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+
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+ using OpenCvSharp.Aruco;
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+
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+ using UnityEngine.UI;
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+
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+ using System.Collections.Generic;
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+
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+ using System.Linq;
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+
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+
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+
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+ public class AR1 : MonoBehaviour
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+ {
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+
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+
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+ [SerializeField] private RawImage _renderer;
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+
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+
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+
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+ private int _width = 1920;
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+ private int _height = 1080;
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+ private int _fps = 30;
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+ private WebCamTexture _webcamTexture;
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+
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+
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+
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+ private const PredefinedDictionaryName dictName = PredefinedDictionaryName.Dict6X6_250;
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+
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+ private Dictionary ar_dict;
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+ private DetectorParameters detect_param;
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+ private Vector3 center1;
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+ private Vector3 t;
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+
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+ public GameObject cude;
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+
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+ private void Start()
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+
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+ {
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+ WebCamDevice[] devices = WebCamTexture.devices;
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+ _webcamTexture = new WebCamTexture(devices[0].name, this._width, this._height, this._fps);
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+ _webcamTexture.Play();
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+
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+
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+
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+
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+ }
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+
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+ void OnDestroy()
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+
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+ {
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+
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+ if (_webcamTexture != null)
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+
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+ {
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+ if (_webcamTexture.isPlaying) _webcamTexture.Stop();
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+ _webcamTexture = null;
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+
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+ }
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+
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+ }
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+
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+ private void Update()
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+
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+ => Armaker(_webcamTexture);
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+
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+ private void Armaker(WebCamTexture tex)
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+ {
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+ ar_dict = CvAruco.GetPredefinedDictionary(dictName);
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+ detect_param = DetectorParameters.Create();
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+ Mat cam_frame = OpenCvSharp.Unity.TextureToMat(tex);
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+ Point2f[][] corners; //ARマーカのカドの座標
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+ int[] ids; //検出されたARマーカのID
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+ Point2f[][] reject_Points;
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+ Mat grayMat = new Mat();
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+ Cv2.CvtColor(cam_frame, grayMat, ColorConversionCodes.BGR2GRAY);
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+ CvAruco.DetectMarkers(cam_frame, grayMat, ar_dict, out corners, out ids, detect_param, out reject_Points);
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+
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+ if (ids.Length != 0)
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+
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+ {
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+ List<Point2f> midllePoints = new List<Point2f>();
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+ List<Point2f> center = new List<Point2f>();
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+ CvAruco.DrawDetectedMarkers(cam_frame, corners, ids, new Scalar(0, 255, 0));
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+ var markers = Enumerable.Zip(ids, corners, (i, c) => new { i, c })
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+ .ToDictionary(x => x.i, x => x.c)
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+ .OrderBy(i => i.Key);
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+ int cnt = 0;
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+
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+ foreach (var marker in markers)
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+
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+ {
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+ var average_X = marker.Value.Average(p => p.X);
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+ var average_Y = marker.Value.Average(p => p.Y);
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+
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+
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+
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+
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+ // マーカーの中心座標を取得
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+ midllePoints.Add(new Point2f(average_X, average_Y));
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+ cnt++;
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+
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+ }
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+
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+ int cnt1 = 0;
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+ foreach (var t in midllePoints)
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+ {
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+ var average1_X = midllePoints[0].X + (midllePoints[1].X - midllePoints[0].X) / 2;
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+ var average1_Y = midllePoints[0].Y + (midllePoints[1].Y - midllePoints[0].Y) / 2;
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+ // var average1_Z = 0;
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+ center.Add(new Point2f(average1_X, average1_Y));
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+ cnt1++;
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+
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+ }
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+ // マーカーの中心座標を描画
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+ midllePoints.ForEach(mp => cam_frame.Circle(
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+ (int)mp.X, (int)mp.Y, 1, new Scalar(0, 0, 255), 3, LineTypes.AntiAlias));
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+
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+
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+
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+ // マーカー間の中心点を描画
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+ center.ForEach(tc => cam_frame.Circle(
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+ (int)tc.X, (int)tc.Y, 1, new Scalar(0, 255, 255), 5, LineTypes.AntiAlias));
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+
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+
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+
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+
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+ foreach (var c in center)
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+ {
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+ t = new Vector3(center[0].X, center[0].Y, 0);
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+ cude.transform.position = t;
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+ }
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+ }
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+ _renderer.texture = OpenCvSharp.Unity.MatToTexture(cam_frame);
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+ }
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+ }
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+ ```