private void UpdateARObjectTransform(Mat rvec, Mat tvec)
{
// Convert to unity pose data.
double[] rvecArr = new double[3];
rvec.get(0, 0, rvecArr);
double[] tvecArr = new double[3];
tvec.get(0, 0, tvecArr);
PoseData poseData = ARUtils.ConvertRvecTvecToPoseData(rvecArr, tvecArr);
// Changes in pos/rot below these thresholds are ignored.
if (enableLowPassFilter)
{
ARUtils.LowpassPoseData(ref oldPoseData, ref poseData, positionLowPass, rotationLowPass);
}
oldPoseData = poseData;
// Convert to transform matrix.
ARM = ARUtils.ConvertPoseDataToMatrix(ref poseData, true, true);
if (shouldMoveARCamera)
{
ARM = arGameObject.transform.localToWorldMatrix * ARM.inverse;
ARUtils.SetTransformFromMatrix(arCamera.transform, ref ARM);
}
else
{
ARM = arCamera.transform.localToWorldMatrix * ARM;
ARUtils.SetTransformFromMatrix(arGameObject.transform, ref ARM);
}
}
private IEnumerator Wait(float delayTime)
{
yield return(new WaitForSeconds(delayTime));
ARUtils.SetTransformFromMatrix(ARGameObject.transform, ref ARM);
deactivateCoroutine = null;
}
private void ResetObjectTransform()
{
// reset AR object transform.
Matrix4x4 i = Matrix4x4.identity;
ARUtils.SetTransformFromMatrix(arCamera.transform, ref i);
ARUtils.SetTransformFromMatrix(arGameObject.transform, ref i);
}
private void UpdateARObjectTransform(Mat rvec, Mat tvec)
{
// Position
double[] tvecArr = new double[3];
tvec.get(0, 0, tvecArr);
// Rotation
Calib3d.Rodrigues(rvec, rotMat);
double[] rotMatArr = new double[rotMat.total()];
rotMat.get(0, 0, rotMatArr);
transformationM.SetRow(0, new Vector4((float)rotMatArr [0], (float)rotMatArr [1], (float)rotMatArr [2], (float)tvecArr [0]));
transformationM.SetRow(1, new Vector4((float)rotMatArr [3], (float)rotMatArr [4], (float)rotMatArr [5], (float)tvecArr [1]));
transformationM.SetRow(2, new Vector4((float)rotMatArr [6], (float)rotMatArr [7], (float)rotMatArr [8], (float)tvecArr [2]));
transformationM.SetRow(3, new Vector4(0, 0, 0, 1));
// right-handed coordinates system (OpenCV) to left-handed one (Unity)
ARM = invertYM * transformationM;
// Apply Z axis inverted matrix.
ARM = ARM * invertZM;
if (shouldMoveARCamera)
{
ARM = arGameObject.transform.localToWorldMatrix * ARM.inverse;
ARUtils.SetTransformFromMatrix(arCamera.transform, ref ARM);
}
else
{
ARM = arCamera.transform.localToWorldMatrix * ARM;
ARUtils.SetTransformFromMatrix(arGameObject.transform, ref ARM);
}
}
private void DetectMarkers()
{
Utils.texture2DToMat(imgTexture, rgbMat);
Debug.Log("imgMat dst ToString " + rgbMat.ToString());
gameObject.transform.localScale = new Vector3(imgTexture.width, imgTexture.height, 1);
Debug.Log("Screen.width " + Screen.width + " Screen.height " + Screen.height + " Screen.orientation " + Screen.orientation);
float width = rgbMat.width();
float height = rgbMat.height();
float imageSizeScale = 1.0f;
float widthScale = (float)Screen.width / width;
float heightScale = (float)Screen.height / height;
if (widthScale < heightScale)
{
Camera.main.orthographicSize = (width * (float)Screen.height / (float)Screen.width) / 2;
imageSizeScale = (float)Screen.height / (float)Screen.width;
}
else
{
Camera.main.orthographicSize = height / 2;
}
// set camera parameters.
int max_d = (int)Mathf.Max(width, height);
double fx = max_d;
double fy = max_d;
double cx = width / 2.0f;
double cy = height / 2.0f;
Mat camMatrix = new Mat(3, 3, CvType.CV_64FC1);
camMatrix.put(0, 0, fx);
camMatrix.put(0, 1, 0);
camMatrix.put(0, 2, cx);
camMatrix.put(1, 0, 0);
camMatrix.put(1, 1, fy);
camMatrix.put(1, 2, cy);
camMatrix.put(2, 0, 0);
camMatrix.put(2, 1, 0);
camMatrix.put(2, 2, 1.0f);
Debug.Log("camMatrix " + camMatrix.dump());
MatOfDouble distCoeffs = new MatOfDouble(0, 0, 0, 0);
Debug.Log("distCoeffs " + distCoeffs.dump());
// calibration camera matrix values.
Size imageSize = new Size(width * imageSizeScale, height * imageSizeScale);
double apertureWidth = 0;
double apertureHeight = 0;
double[] fovx = new double[1];
double[] fovy = new double[1];
double[] focalLength = new double[1];
Point principalPoint = new Point(0, 0);
double[] aspectratio = new double[1];
Calib3d.calibrationMatrixValues(camMatrix, imageSize, apertureWidth, apertureHeight, fovx, fovy, focalLength, principalPoint, aspectratio);
Debug.Log("imageSize " + imageSize.ToString());
Debug.Log("apertureWidth " + apertureWidth);
Debug.Log("apertureHeight " + apertureHeight);
Debug.Log("fovx " + fovx [0]);
Debug.Log("fovy " + fovy [0]);
Debug.Log("focalLength " + focalLength [0]);
Debug.Log("principalPoint " + principalPoint.ToString());
Debug.Log("aspectratio " + aspectratio [0]);
// To convert the difference of the FOV value of the OpenCV and Unity.
double fovXScale = (2.0 * Mathf.Atan((float)(imageSize.width / (2.0 * fx)))) / (Mathf.Atan2((float)cx, (float)fx) + Mathf.Atan2((float)(imageSize.width - cx), (float)fx));
double fovYScale = (2.0 * Mathf.Atan((float)(imageSize.height / (2.0 * fy)))) / (Mathf.Atan2((float)cy, (float)fy) + Mathf.Atan2((float)(imageSize.height - cy), (float)fy));
Debug.Log("fovXScale " + fovXScale);
Debug.Log("fovYScale " + fovYScale);
// Adjust Unity Camera FOV https://github.com/opencv/opencv/commit/8ed1945ccd52501f5ab22bdec6aa1f91f1e2cfd4
if (widthScale < heightScale)
{
arCamera.fieldOfView = (float)(fovx [0] * fovXScale);
}
else
{
arCamera.fieldOfView = (float)(fovy [0] * fovYScale);
}
// Display objects near the camera.
arCamera.nearClipPlane = 0.01f;
Mat ids = new Mat();
List <Mat> corners = new List <Mat> ();
List <Mat> rejectedCorners = new List <Mat> ();
Mat rvecs = new Mat();
Mat tvecs = new Mat();
Mat rotMat = new Mat(3, 3, CvType.CV_64FC1);
DetectorParameters detectorParams = DetectorParameters.create();
Dictionary dictionary = Aruco.getPredefinedDictionary((int)dictionaryId);
// detect markers.
Aruco.detectMarkers(rgbMat, dictionary, corners, ids, detectorParams, rejectedCorners, camMatrix, distCoeffs);
// if at least one marker detected
if (ids.total() > 0)
{
Aruco.drawDetectedMarkers(rgbMat, corners, ids, new Scalar(0, 255, 0));
// estimate pose.
if (applyEstimationPose)
{
Aruco.estimatePoseSingleMarkers(corners, markerLength, camMatrix, distCoeffs, rvecs, tvecs);
for (int i = 0; i < ids.total(); i++)
{
using (Mat rvec = new Mat(rvecs, new OpenCVForUnity.CoreModule.Rect(0, i, 1, 1)))
using (Mat tvec = new Mat(tvecs, new OpenCVForUnity.CoreModule.Rect(0, i, 1, 1))) {
// In this example we are processing with RGB color image, so Axis-color correspondences are X: blue, Y: green, Z: red. (Usually X: red, Y: green, Z: blue)
Aruco.drawAxis(rgbMat, camMatrix, distCoeffs, rvec, tvec, markerLength * 0.5f);
}
// This example can display the ARObject on only first detected marker.
if (i == 0)
{
// Get translation vector
double[] tvecArr = tvecs.get(i, 0);
// Get rotation vector
double[] rvecArr = rvecs.get(i, 0);
Mat rvec = new Mat(3, 1, CvType.CV_64FC1);
rvec.put(0, 0, rvecArr);
// Convert rotation vector to rotation matrix.
Calib3d.Rodrigues(rvec, rotMat);
double[] rotMatArr = new double[rotMat.total()];
rotMat.get(0, 0, rotMatArr);
// Convert OpenCV camera extrinsic parameters to Unity Matrix4x4.
Matrix4x4 transformationM = new Matrix4x4(); // from OpenCV
transformationM.SetRow(0, new Vector4((float)rotMatArr [0], (float)rotMatArr [1], (float)rotMatArr [2], (float)tvecArr [0]));
transformationM.SetRow(1, new Vector4((float)rotMatArr [3], (float)rotMatArr [4], (float)rotMatArr [5], (float)tvecArr [1]));
transformationM.SetRow(2, new Vector4((float)rotMatArr [6], (float)rotMatArr [7], (float)rotMatArr [8], (float)tvecArr [2]));
transformationM.SetRow(3, new Vector4(0, 0, 0, 1));
Debug.Log("transformationM " + transformationM.ToString());
Matrix4x4 invertYM = Matrix4x4.TRS(Vector3.zero, Quaternion.identity, new Vector3(1, -1, 1));
Debug.Log("invertYM " + invertYM.ToString());
// right-handed coordinates system (OpenCV) to left-handed one (Unity)
// https://stackoverflow.com/questions/30234945/change-handedness-of-a-row-major-4x4-transformation-matrix
Matrix4x4 ARM = invertYM * transformationM * invertYM;
if (shouldMoveARCamera)
{
ARM = arGameObject.transform.localToWorldMatrix * ARM.inverse;
Debug.Log("ARM " + ARM.ToString());
ARUtils.SetTransformFromMatrix(arCamera.transform, ref ARM);
}
else
{
ARM = arCamera.transform.localToWorldMatrix * ARM;
Debug.Log("ARM " + ARM.ToString());
ARUtils.SetTransformFromMatrix(arGameObject.transform, ref ARM);
}
}
}
}
}
if (showRejectedCorners && rejectedCorners.Count > 0)
{
Aruco.drawDetectedMarkers(rgbMat, rejectedCorners, new Mat(), new Scalar(255, 0, 0));
}
Utils.matToTexture2D(rgbMat, texture);
}
// Use this for initialization
void Start()
{
Mat rgbMat = new Mat(imgTexture.height, imgTexture.width, CvType.CV_8UC3);
Utils.texture2DToMat(imgTexture, rgbMat);
Debug.Log("imgMat dst ToString " + rgbMat.ToString());
gameObject.transform.localScale = new Vector3(imgTexture.width, imgTexture.height, 1);
Debug.Log("Screen.width " + Screen.width + " Screen.height " + Screen.height + " Screen.orientation " + Screen.orientation);
float width = rgbMat.width();
float height = rgbMat.height();
float imageSizeScale = 1.0f;
float widthScale = (float)Screen.width / width;
float heightScale = (float)Screen.height / height;
if (widthScale < heightScale)
{
Camera.main.orthographicSize = (width * (float)Screen.height / (float)Screen.width) / 2;
imageSizeScale = (float)Screen.height / (float)Screen.width;
}
else
{
Camera.main.orthographicSize = height / 2;
}
// set cameraparam.
int max_d = (int)Mathf.Max(width, height);
double fx = max_d;
double fy = max_d;
double cx = width / 2.0f;
double cy = height / 2.0f;
Mat camMatrix = new Mat(3, 3, CvType.CV_64FC1);
camMatrix.put(0, 0, fx);
camMatrix.put(0, 1, 0);
camMatrix.put(0, 2, cx);
camMatrix.put(1, 0, 0);
camMatrix.put(1, 1, fy);
camMatrix.put(1, 2, cy);
camMatrix.put(2, 0, 0);
camMatrix.put(2, 1, 0);
camMatrix.put(2, 2, 1.0f);
Debug.Log("camMatrix " + camMatrix.dump());
MatOfDouble distCoeffs = new MatOfDouble(0, 0, 0, 0);
Debug.Log("distCoeffs " + distCoeffs.dump());
// calibration camera.
Size imageSize = new Size(width * imageSizeScale, height * imageSizeScale);
double apertureWidth = 0;
double apertureHeight = 0;
double[] fovx = new double[1];
double[] fovy = new double[1];
double[] focalLength = new double[1];
Point principalPoint = new Point(0, 0);
double[] aspectratio = new double[1];
Calib3d.calibrationMatrixValues(camMatrix, imageSize, apertureWidth, apertureHeight, fovx, fovy, focalLength, principalPoint, aspectratio);
Debug.Log("imageSize " + imageSize.ToString());
Debug.Log("apertureWidth " + apertureWidth);
Debug.Log("apertureHeight " + apertureHeight);
Debug.Log("fovx " + fovx [0]);
Debug.Log("fovy " + fovy [0]);
Debug.Log("focalLength " + focalLength [0]);
Debug.Log("principalPoint " + principalPoint.ToString());
Debug.Log("aspectratio " + aspectratio [0]);
// To convert the difference of the FOV value of the OpenCV and Unity.
double fovXScale = (2.0 * Mathf.Atan((float)(imageSize.width / (2.0 * fx)))) / (Mathf.Atan2((float)cx, (float)fx) + Mathf.Atan2((float)(imageSize.width - cx), (float)fx));
double fovYScale = (2.0 * Mathf.Atan((float)(imageSize.height / (2.0 * fy)))) / (Mathf.Atan2((float)cy, (float)fy) + Mathf.Atan2((float)(imageSize.height - cy), (float)fy));
Debug.Log("fovXScale " + fovXScale);
Debug.Log("fovYScale " + fovYScale);
// Adjust Unity Camera FOV https://github.com/opencv/opencv/commit/8ed1945ccd52501f5ab22bdec6aa1f91f1e2cfd4
if (widthScale < heightScale)
{
ARCamera.fieldOfView = (float)(fovx [0] * fovXScale);
}
else
{
ARCamera.fieldOfView = (float)(fovy [0] * fovYScale);
}
Mat ids = new Mat();
List <Mat> corners = new List <Mat> ();
List <Mat> rejected = new List <Mat> ();
Mat rvecs = new Mat();
Mat tvecs = new Mat();
Mat rotMat = new Mat(3, 3, CvType.CV_64FC1);
DetectorParameters detectorParams = DetectorParameters.create();
Dictionary dictionary = Aruco.getPredefinedDictionary(dictionaryId);
// detect markers.
Aruco.detectMarkers(rgbMat, dictionary, corners, ids, detectorParams, rejected);
// estimate pose.
if (applyEstimationPose && ids.total() > 0)
{
Aruco.estimatePoseSingleMarkers(corners, markerLength, camMatrix, distCoeffs, rvecs, tvecs);
}
if (ids.total() > 0)
{
Aruco.drawDetectedMarkers(rgbMat, corners, ids, new Scalar(255, 0, 0));
if (applyEstimationPose)
{
for (int i = 0; i < ids.total(); i++)
{
// Debug.Log ("ids.dump() " + ids.dump ());
Aruco.drawAxis(rgbMat, camMatrix, distCoeffs, rvecs, tvecs, markerLength * 0.5f);
// This example can display ARObject on only first detected marker.
if (i == 0)
{
// position
double[] tvec = tvecs.get(i, 0);
// rotation
double[] rv = rvecs.get(i, 0);
Mat rvec = new Mat(3, 1, CvType.CV_64FC1);
rvec.put(0, 0, rv[0]);
rvec.put(1, 0, rv[1]);
rvec.put(2, 0, rv[2]);
Calib3d.Rodrigues(rvec, rotMat);
Matrix4x4 transformationM = new Matrix4x4(); // from OpenCV
transformationM.SetRow(0, new Vector4((float)rotMat.get(0, 0) [0], (float)rotMat.get(0, 1) [0], (float)rotMat.get(0, 2) [0], (float)tvec [0]));
transformationM.SetRow(1, new Vector4((float)rotMat.get(1, 0) [0], (float)rotMat.get(1, 1) [0], (float)rotMat.get(1, 2) [0], (float)tvec [1]));
transformationM.SetRow(2, new Vector4((float)rotMat.get(2, 0) [0], (float)rotMat.get(2, 1) [0], (float)rotMat.get(2, 2) [0], (float)tvec [2]));
transformationM.SetRow(3, new Vector4(0, 0, 0, 1));
Debug.Log("transformationM " + transformationM.ToString());
Matrix4x4 invertZM = Matrix4x4.TRS(Vector3.zero, Quaternion.identity, new Vector3(1, 1, -1));
Debug.Log("invertZM " + invertZM.ToString());
Matrix4x4 invertYM = Matrix4x4.TRS(Vector3.zero, Quaternion.identity, new Vector3(1, -1, 1));
Debug.Log("invertYM " + invertYM.ToString());
// right-handed coordinates system (OpenCV) to left-handed one (Unity)
Matrix4x4 ARM = invertYM * transformationM;
// Apply Z axis inverted matrix.
ARM = ARM * invertZM;
if (shouldMoveARCamera)
{
ARM = ARGameObject.transform.localToWorldMatrix * ARM.inverse;
Debug.Log("ARM " + ARM.ToString());
ARUtils.SetTransformFromMatrix(ARCamera.transform, ref ARM);
}
else
{
ARM = ARCamera.transform.localToWorldMatrix * ARM;
Debug.Log("ARM " + ARM.ToString());
ARUtils.SetTransformFromMatrix(ARGameObject.transform, ref ARM);
}
}
}
}
}
if (showRejected && rejected.Count > 0)
{
Aruco.drawDetectedMarkers(rgbMat, rejected, new Mat(), new Scalar(0, 0, 255));
}
Texture2D texture = new Texture2D(rgbMat.cols(), rgbMat.rows(), TextureFormat.RGBA32, false);
Utils.matToTexture2D(rgbMat, texture);
gameObject.GetComponent <Renderer> ().material.mainTexture = texture;
}
// Update is called once per frame
void Update()
{
if (webCamTextureToMatHelper.IsPlaying() && webCamTextureToMatHelper.DidUpdateThisFrame())
{
Mat rgbaMat = webCamTextureToMatHelper.GetMat();
Imgproc.cvtColor(rgbaMat, rgbMat, Imgproc.COLOR_RGBA2RGB);
// detect markers.
Aruco.detectMarkers(rgbMat, dictionary, corners, ids, detectorParams, rejected);
// estimate pose.
if (applyEstimationPose && ids.total() > 0)
{
Aruco.estimatePoseSingleMarkers(corners, markerLength, camMatrix, distCoeffs, rvecs, tvecs);
}
if (ids.total() > 0)
{
Aruco.drawDetectedMarkers(rgbMat, corners, ids, new Scalar(255, 0, 0));
if (applyEstimationPose)
{
for (int i = 0; i < ids.total(); i++)
{
Aruco.drawAxis(rgbMat, camMatrix, distCoeffs, rvecs, tvecs, markerLength * 0.5f);
// This example can display ARObject on only first detected marker.
if (i == 0)
{
// position
double[] tvec = tvecs.get(i, 0);
// rotation
double[] rv = rvecs.get(i, 0);
Mat rvec = new Mat(3, 1, CvType.CV_64FC1);
rvec.put(0, 0, rv [0]);
rvec.put(1, 0, rv [1]);
rvec.put(2, 0, rv [2]);
Calib3d.Rodrigues(rvec, rotMat);
transformationM.SetRow(0, new Vector4((float)rotMat.get(0, 0) [0], (float)rotMat.get(0, 1) [0], (float)rotMat.get(0, 2) [0], (float)tvec [0]));
transformationM.SetRow(1, new Vector4((float)rotMat.get(1, 0) [0], (float)rotMat.get(1, 1) [0], (float)rotMat.get(1, 2) [0], (float)tvec [1]));
transformationM.SetRow(2, new Vector4((float)rotMat.get(2, 0) [0], (float)rotMat.get(2, 1) [0], (float)rotMat.get(2, 2) [0], (float)tvec [2]));
transformationM.SetRow(3, new Vector4(0, 0, 0, 1));
// right-handed coordinates system (OpenCV) to left-handed one (Unity)
ARM = invertYM * transformationM;
// Apply Z axis inverted matrix.
ARM = ARM * invertZM;
if (shouldMoveARCamera)
{
ARM = ARGameObject.transform.localToWorldMatrix * ARM.inverse;
ARUtils.SetTransformFromMatrix(ARCamera.transform, ref ARM);
}
else
{
ARM = ARCamera.transform.localToWorldMatrix * ARM;
ARUtils.SetTransformFromMatrix(ARGameObject.transform, ref ARM);
}
}
}
}
}
if (showRejected && rejected.Count > 0)
{
Aruco.drawDetectedMarkers(rgbMat, rejected, new Mat(), new Scalar(0, 0, 255));
}
Imgproc.putText(rgbaMat, "W:" + rgbaMat.width() + " H:" + rgbaMat.height() + " SO:" + Screen.orientation, new Point(5, rgbaMat.rows() - 10), Core.FONT_HERSHEY_SIMPLEX, 1.0, new Scalar(255, 255, 255, 255), 2, Imgproc.LINE_AA, false);
Utils.matToTexture2D(rgbMat, texture, webCamTextureToMatHelper.GetBufferColors());
}
}
void OnRenderObject()
{
if (pointCloudVisualizer == null)
{
return;
}
if (vertices == null || uintColorData == null)
{
return;
}
pointCloudBuffer.SetData(vertices);
colorBuffer.SetData(uintColorData);
pointCloudVisualizer.SetBuffer("_PointCloudData", pointCloudBuffer);
pointCloudVisualizer.SetBuffer("_ColorData", colorBuffer);
//Aruco
if (applyAruco)
{
//transformation Matrix is static
if (isStatic)
{
//using earlier frames, decide transformationM
if (!matrixCofigured)
{
while (frameCount > 0)
{
imgTexture.LoadRawTextureData(byteColorData);
Utils.texture2DToMat(imgTexture, rgbMat);
//Upside down
Core.flip(rgbMat, rgbMat, 0);
Aruco.detectMarkers(rgbMat, dictionary, corners, ids, detectorParams, rejected, camMatrix, distCoeffs);
if (ids.total() == 1)
{
Debug.Log("detected");
frameCount--;
}
}
Aruco.estimatePoseSingleMarkers(corners, markerLength, camMatrix, distCoeffs, rvecs, tvecs);
// position
tvec = tvecs.get(0, 0);
// rotation
rvec = new Mat(rvecs, range, range);
Calib3d.Rodrigues(rvec, rotMat);
//from marker coordinate(opencv) to camera coordinate(opencv)
transformationM.SetRow(0, new Vector4((float)rotMat.get(0, 0)[0], (float)rotMat.get(0, 1)[0], (float)rotMat.get(0, 2)[0], (float)tvec[0]));
transformationM.SetRow(1, new Vector4((float)rotMat.get(1, 0)[0], (float)rotMat.get(1, 1)[0], (float)rotMat.get(1, 2)[0], (float)tvec[1]));
transformationM.SetRow(2, new Vector4((float)rotMat.get(2, 0)[0], (float)rotMat.get(2, 1)[0], (float)rotMat.get(2, 2)[0], (float)tvec[2]));
transformationM.SetRow(3, new Vector4(0, 0, 0, 1));
// right-handed coordinates system (OpenCV) to left-handed one (Unity)
// from camera coordinate(opencv) to camera coordinate(unity)
transformationM = invertYM * transformationM;
// Apply Z axis inverted matrix.
// from marker coordinate(Unity) to camera coordinate(Unity)
transformationM = transformationM * invertZM;
//from camera coordinate(unity) to marker coordinate(unity)
//rotate 90 degrees around the x-axis(alignM)
//from marker coordinate(unity) to world coordinate(unity)
transformationM = markerOrigin.transform.localToWorldMatrix * alignM * transformationM.inverse;
//transformationM: the matrix which transforms camera coordinate(unity) into world coordinate(unity)
//move RealSense model
ARUtils.SetTransformFromMatrix(viewCamera.transform, ref transformationM);
matrixCofigured = true;
Debug.Log("Transformation Matrix is configured");
if (drawMesh)
{
meshDrawer.draw(corners, vertices, ref transformationM, width, markerLength);
}
}
}
else
{
imgTexture.LoadRawTextureData(byteColorData);
Utils.texture2DToMat(imgTexture, rgbMat);
Core.flip(rgbMat, rgbMat, 0);
Aruco.detectMarkers(rgbMat, dictionary, corners, ids, detectorParams, rejected, camMatrix, distCoeffs);
if (ids.total() > 0)
{
Debug.Log("detected: " + ids.total());
Aruco.estimatePoseSingleMarkers(corners, markerLength, camMatrix, distCoeffs, rvecs, tvecs);
// position
tvec = tvecs.get(0, 0);
// rotation
rvec = new Mat(rvecs, range, range);
Calib3d.Rodrigues(rvec, rotMat);
transformationM.SetRow(0, new Vector4((float)rotMat.get(0, 0)[0], (float)rotMat.get(0, 1)[0], (float)rotMat.get(0, 2)[0], (float)tvec[0]));
transformationM.SetRow(1, new Vector4((float)rotMat.get(1, 0)[0], (float)rotMat.get(1, 1)[0], (float)rotMat.get(1, 2)[0], (float)tvec[1]));
transformationM.SetRow(2, new Vector4((float)rotMat.get(2, 0)[0], (float)rotMat.get(2, 1)[0], (float)rotMat.get(2, 2)[0], (float)tvec[2]));
transformationM.SetRow(3, new Vector4(0, 0, 0, 1));
transformationM = invertYM * transformationM;
transformationM = transformationM * invertZM;
transformationM = markerOrigin.transform.localToWorldMatrix * alignM * transformationM.inverse;
ARUtils.SetTransformFromMatrix(viewCamera.transform, ref transformationM);
}
}
}
else
{
transformationM = Matrix4x4.TRS(viewCamera.transform.position, viewCamera.transform.rotation, viewCamera.transform.lossyScale);
}
pointCloudVisualizer.SetMatrix("_transformationM", transformationM);
trs = Matrix4x4.TRS(transform.position, transform.rotation, transform.lossyScale);
pointCloudVisualizer.SetMatrix("_trs", trs);
pointCloudVisualizer.SetPass(0);
Graphics.DrawProcedural(MeshTopology.Points, dataLength);
}
private void HandPoseEstimationProcess(Mat rgbaMat)
{
//Imgproc.blur(mRgba, mRgba, new Size(5,5));
Imgproc.GaussianBlur(rgbaMat, rgbaMat, new Size(3, 3), 1, 1);
//Imgproc.medianBlur(mRgba, mRgba, 3);
if (!isColorSelected)
{
return;
}
List <MatOfPoint> contours = detector.GetContours();
detector.Process(rgbaMat);
//Debug.Log ("Contours count: " + contours.Count);
if (contours.Count <= 0)
{
return;
}
RotatedRect rect = Imgproc.minAreaRect(new MatOfPoint2f(contours[0].toArray()));
double boundWidth = rect.size.width;
double boundHeight = rect.size.height;
int boundPos = 0;
for (int i = 1; i < contours.Count; i++)
{
rect = Imgproc.minAreaRect(new MatOfPoint2f(contours[i].toArray()));
if (rect.size.width * rect.size.height > boundWidth * boundHeight)
{
boundWidth = rect.size.width;
boundHeight = rect.size.height;
boundPos = i;
}
}
MatOfPoint contour = contours[boundPos];
OpenCVForUnity.CoreModule.Rect boundRect = Imgproc.boundingRect(new MatOfPoint(contour.toArray()));
Imgproc.rectangle(rgbaMat, boundRect.tl(), boundRect.br(), CONTOUR_COLOR_WHITE, 2, 8, 0);
// Debug.Log (
// " Row start [" +
//(int)boundRect.tl ().y + "] row end [" +
// (int)boundRect.br ().y + "] Col start [" +
// (int)boundRect.tl ().x + "] Col end [" +
// (int)boundRect.br ().x + "]");
Point bottomLeft = new Point(boundRect.x, boundRect.y + boundRect.height);
Point topLeft = new Point(boundRect.x, boundRect.y);
Point bottomRight = new Point(boundRect.x + boundRect.width, boundRect.y + boundRect.height);
Point topRight = new Point(boundRect.x + boundRect.width, boundRect.y);
rectPoints = new MatOfPoint2f(new Point(boundRect.x, boundRect.y), //topleft
new Point(boundRect.x + boundRect.width, boundRect.y), //Top Right
new Point(boundRect.x + boundRect.width, boundRect.y + boundRect.height), //Bottom Right
new Point(boundRect.x, boundRect.y + boundRect.height) //Bottom Left
);
//double a = boundRect.br ().y - boundRect.tl ().y;
//a = a * 0.7;
//a = boundRect.tl ().y + a;
//Debug.Log (" A [" + a + "] br y - tl y = [" + (boundRect.br ().y - boundRect.tl ().y) + "]");
//Imgproc.rectangle (rgbaMat, boundRect.tl (), new Point (boundRect.br ().x, a), CONTOUR_COLOR, 2, 8, 0);
List <Point3> m_markerCorners3dList = new List <Point3>();
m_markerCorners3dList.Add(new Point3(-0.5f, -0.5f, 0)); //Top, Left (A)
m_markerCorners3dList.Add(new Point3(+0.5f, -0.5f, 0)); //Top, Right (B)
m_markerCorners3dList.Add(new Point3(+0.5f, +0.5f, 0)); //Bottom, Right (C)
m_markerCorners3dList.Add(new Point3(-0.5f, +0.5f, 0)); //Bottom, Left (D)
m_markerCorners3d.fromList(m_markerCorners3dList);
//estimate pose
Mat Rvec = new Mat();
Mat Tvec = new Mat();
Mat raux = new Mat();
Mat taux = new Mat();
Calib3d.solvePnP(m_markerCorners3d, rectPoints, camMatrix, distCoeff, raux, taux);
raux.convertTo(Rvec, CvType.CV_32F);
taux.convertTo(Tvec, CvType.CV_32F);
rotMat = new Mat(3, 3, CvType.CV_64FC1);
Calib3d.Rodrigues(Rvec, rotMat);
transformationM.SetRow(0, new Vector4((float)rotMat.get(0, 0)[0], (float)rotMat.get(0, 1)[0], (float)rotMat.get(0, 2)[0], (float)Tvec.get(0, 0)[0]));
transformationM.SetRow(1, new Vector4((float)rotMat.get(1, 0)[0], (float)rotMat.get(1, 1)[0], (float)rotMat.get(1, 2)[0], (float)Tvec.get(1, 0)[0]));
transformationM.SetRow(2, new Vector4((float)rotMat.get(2, 0)[0], (float)rotMat.get(2, 1)[0], (float)rotMat.get(2, 2)[0], (float)Tvec.get(2, 0)[0]));
transformationM.SetRow(3, new Vector4(0, 0, 0, 1));
//Debug.Log ("transformationM " + transformationM.ToString ());
Rvec.Dispose();
Tvec.Dispose();
raux.Dispose();
taux.Dispose();
rotMat.Dispose();
ARM = ARCamera.transform.localToWorldMatrix * invertYM * transformationM * invertZM;
//Debug.Log("arM " + ARM.ToString());
if (ARGameObject != null)
{
ARUtils.SetTransformFromMatrix(ARGameObject.transform, ref ARM);
if (deactivateCoroutine == null)
{
deactivateCoroutine = StartCoroutine(Wait(10.0f));
}
ARGameObject.SetActive(true);
}
//end pose estimation
MatOfPoint2f pointMat = new MatOfPoint2f();
Imgproc.approxPolyDP(new MatOfPoint2f(contour.toArray()), pointMat, 3, true);
contour = new MatOfPoint(pointMat.toArray());
MatOfInt hull = new MatOfInt();
MatOfInt4 convexDefect = new MatOfInt4();
Imgproc.convexHull(new MatOfPoint(contour.toArray()), hull);
if (hull.toArray().Length < 3)
{
return;
}
Imgproc.convexityDefects(new MatOfPoint(contour.toArray()), hull, convexDefect);
List <MatOfPoint> hullPoints = new List <MatOfPoint>();
List <Point> listPo = new List <Point>();
for (int j = 0; j < hull.toList().Count; j++)
{
listPo.Add(contour.toList()[hull.toList()[j]]);
}
MatOfPoint e = new MatOfPoint();
e.fromList(listPo);
hullPoints.Add(e);
List <Point> listPoDefect = new List <Point>();
if (convexDefect.rows() > 0)
{
List <int> convexDefectList = convexDefect.toList();
List <Point> contourList = contour.toList();
for (int j = 0; j < convexDefectList.Count; j = j + 4)
{
Point farPoint = contourList[convexDefectList[j + 2]];
int depth = convexDefectList[j + 3];
//if (depth > threasholdSlider.value && farPoint.y < a)
//{
// listPoDefect.Add(contourList[convexDefectList[j + 2]]);
//}
//Debug.Log ("convexDefectList [" + j + "] " + convexDefectList [j + 3]);
}
}
Debug.Log("hull: " + hull.toList());
if (convexDefect.rows() > 0)
{
Debug.Log("defects: " + convexDefect.toList());
}
//use these contours to do heart detection
Imgproc.drawContours(rgbaMat, hullPoints, -1, CONTOUR_COLOR, 3);
int defectsTotal = (int)convexDefect.total();
Debug.Log("Defect total " + defectsTotal);
this.numberOfFingers = listPoDefect.Count;
if (this.numberOfFingers > 5)
{
this.numberOfFingers = 5;
}
Debug.Log("numberOfFingers " + numberOfFingers);
Imgproc.putText(rgbaMat, "" + numberOfFingers, new Point(rgbaMat.cols() / 2, rgbaMat.rows() / 2), Imgproc.FONT_HERSHEY_PLAIN, 4.0, new Scalar(255, 255, 255, 255), 6, Imgproc.LINE_AA, false);
numberOfFingersText.text = numberOfFingers.ToString();
foreach (Point p in listPoDefect)
{
Imgproc.circle(rgbaMat, p, 6, new Scalar(255, 0, 255, 255), -1);
}
}
// Update is called once per frame
void Update()
{
if (webCamTextureToMatHelper.IsPlaying() && webCamTextureToMatHelper.DidUpdateThisFrame())
{
Mat rgbaMat = webCamTextureToMatHelper.GetMat();
Imgproc.cvtColor(rgbaMat, rgbMat, Imgproc.COLOR_RGBA2RGB);
// detect markers and estimate pose
Aruco.detectMarkers(rgbMat, dictionary, corners, ids, detectorParams, rejected);
// Aruco.detectMarkers (imgMat, dictionary, corners, ids);
if (estimatePose && ids.total() > 0)
{
Aruco.estimatePoseSingleMarkers(corners, markerLength, camMatrix, distCoeffs, rvecs, tvecs);
}
// draw results
if (ids.total() > 0)
{
Aruco.drawDetectedMarkers(rgbMat, corners, ids, new Scalar(255, 0, 0));
if (estimatePose)
{
for (int i = 0; i < ids.total(); i++)
{
Aruco.drawAxis(rgbMat, camMatrix, distCoeffs, rvecs, tvecs, markerLength * 0.5f);
//This example can display ARObject on only first detected marker.
if (i == 0)
{
// position
double[] tvec = tvecs.get(i, 0);
Vector4 pos = new Vector4((float)tvec [0], (float)tvec [1], (float)tvec [2], 0); // from OpenCV
// right-handed coordinates system (OpenCV) to left-handed one (Unity)
ARGameObject.transform.localPosition = new Vector3(pos.x, -pos.y, pos.z);
// rotation
double[] rv = rvecs.get(i, 0);
Mat rvec = new Mat(3, 1, CvType.CV_64FC1);
rvec.put(0, 0, rv[0]);
rvec.put(1, 0, rv[1]);
rvec.put(2, 0, rv[2]);
Calib3d.Rodrigues(rvec, rotMat);
Vector3 forward = new Vector3((float)rotMat.get(0, 2) [0], (float)rotMat.get(1, 2) [0], (float)rotMat.get(2, 2) [0]); // from OpenCV
Vector3 up = new Vector3((float)rotMat.get(0, 1) [0], (float)rotMat.get(1, 1) [0], (float)rotMat.get(2, 1) [0]); // from OpenCV
// right-handed coordinates system (OpenCV) to left-handed one (Unity)
Quaternion rot = Quaternion.LookRotation(new Vector3(forward.x, -forward.y, forward.z), new Vector3(up.x, -up.y, up.z));
ARGameObject.transform.localRotation = rot;
// Apply Z axis inverted matrix.
invertZM = Matrix4x4.TRS(Vector3.zero, Quaternion.identity, new Vector3(1, 1, -1));
transformationM = ARGameObject.transform.localToWorldMatrix * invertZM;
// Apply camera transform matrix.
transformationM = ARCamera.transform.localToWorldMatrix * transformationM;
ARUtils.SetTransformFromMatrix(ARGameObject.transform, ref transformationM);
}
}
}
}
if (showRejected && rejected.Count > 0)
{
Aruco.drawDetectedMarkers(rgbMat, rejected, new Mat(), new Scalar(0, 0, 255));
}
Imgproc.putText(rgbaMat, "W:" + rgbaMat.width() + " H:" + rgbaMat.height() + " SO:" + Screen.orientation, new Point(5, rgbaMat.rows() - 10), Core.FONT_HERSHEY_SIMPLEX, 1.0, new Scalar(255, 255, 255, 255), 2, Imgproc.LINE_AA, false);
Utils.matToTexture2D(rgbMat, texture, webCamTextureToMatHelper.GetBufferColors());
}
}
