// Update is called once per frame
void Update()
{
if (capture == null)
{
return;
}
//Loop play
if (capture.get(Videoio.CAP_PROP_POS_FRAMES) >= capture.get(Videoio.CAP_PROP_FRAME_COUNT))
{
capture.set(Videoio.CAP_PROP_POS_FRAMES, 0);
}
if (capture.grab())
{
capture.retrieve(rgbMat, 0);
Imgproc.cvtColor(rgbMat, rgbMat, Imgproc.COLOR_BGR2RGB);
//Debug.Log ("Mat toString " + rgbMat.ToString ());
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbMat);
//detect face rects
List <UnityEngine.Rect> detectResult = faceLandmarkDetector.Detect();
if (detectResult.Count > 0)
{
//detect landmark points
List <Vector2> points = faceLandmarkDetector.DetectLandmark(detectResult[0]);
if (displayFacePoints)
{
OpenCVForUnityUtils.DrawFaceLandmark(rgbMat, points, new Scalar(0, 255, 0), 2);
}
MatOfPoint3f objectPoints = null;
bool isRightEyeOpen = false;
bool isLeftEyeOpen = false;
bool isMouthOpen = false;
if (points.Count == 68)
{
objectPoints = objectPoints68;
imagePoints.fromArray(
new Point((points[38].x + points[41].x) / 2, (points[38].y + points[41].y) / 2), //l eye (Interpupillary breadth)
new Point((points[43].x + points[46].x) / 2, (points[43].y + points[46].y) / 2), //r eye (Interpupillary breadth)
new Point(points[30].x, points[30].y), //nose (Tip)
new Point(points[33].x, points[33].y), //nose (Subnasale)
new Point(points[0].x, points[0].y), //l ear (Bitragion breadth)
new Point(points[16].x, points[16].y) //r ear (Bitragion breadth)
);
if (Mathf.Abs((float)(points[43].y - points[46].y)) > Mathf.Abs((float)(points[42].x - points[45].x)) / 5.0)
{
isRightEyeOpen = true;
}
if (Mathf.Abs((float)(points[38].y - points[41].y)) > Mathf.Abs((float)(points[39].x - points[36].x)) / 5.0)
{
isLeftEyeOpen = true;
}
float noseDistance = Mathf.Abs((float)(points[27].y - points[33].y));
float mouseDistance = Mathf.Abs((float)(points[62].y - points[66].y));
if (mouseDistance > noseDistance / 5.0)
{
isMouthOpen = true;
}
else
{
isMouthOpen = false;
}
}
else if (points.Count == 17)
{
objectPoints = objectPoints17;
imagePoints.fromArray(
new Point((points[2].x + points[3].x) / 2, (points[2].y + points[3].y) / 2), //l eye (Interpupillary breadth)
new Point((points[4].x + points[5].x) / 2, (points[4].y + points[5].y) / 2), //r eye (Interpupillary breadth)
new Point(points[0].x, points[0].y), //nose (Tip)
new Point(points[1].x, points[1].y), //nose (Subnasale)
new Point(points[6].x, points[6].y), //l ear (Bitragion breadth)
new Point(points[8].x, points[8].y) //r ear (Bitragion breadth)
);
if (Mathf.Abs((float)(points[11].y - points[12].y)) > Mathf.Abs((float)(points[4].x - points[5].x)) / 5.0)
{
isRightEyeOpen = true;
}
if (Mathf.Abs((float)(points[9].y - points[10].y)) > Mathf.Abs((float)(points[2].x - points[3].x)) / 5.0)
{
isLeftEyeOpen = true;
}
float noseDistance = Mathf.Abs((float)(points[3].y - points[1].y));
float mouseDistance = Mathf.Abs((float)(points[14].y - points[16].y));
if (mouseDistance > noseDistance / 2.0)
{
isMouthOpen = true;
}
else
{
isMouthOpen = false;
}
}
else if (points.Count == 6)
{
objectPoints = objectPoints6;
imagePoints.fromArray(
new Point((points[2].x + points[3].x) / 2, (points[2].y + points[3].y) / 2), //l eye (Interpupillary breadth)
new Point((points[4].x + points[5].x) / 2, (points[4].y + points[5].y) / 2), //r eye (Interpupillary breadth)
new Point(points[0].x, points[0].y), //nose (Tip)
new Point(points[1].x, points[1].y) //nose (Subnasale)
);
}
else if (points.Count == 5)
{
objectPoints = objectPoints5;
imagePoints.fromArray(
new Point(points[3].x, points[3].y), //l eye (Inner corner of the eye)
new Point(points[1].x, points[1].y), //r eye (Inner corner of the eye)
new Point(points[2].x, points[2].y), //l eye (Tail of the eye)
new Point(points[0].x, points[0].y), //r eye (Tail of the eye)
new Point(points[4].x, points[4].y) //nose (Nose top)
);
if (fpsMonitor != null)
{
fpsMonitor.consoleText = "This example supports mainly the face landmark points of 68 points.";
}
}
// estimate head pose
if (rvec == null || tvec == null)
{
rvec = new Mat(3, 1, CvType.CV_64FC1);
tvec = new Mat(3, 1, CvType.CV_64FC1);
Calib3d.solvePnP(objectPoints, imagePoints, camMatrix, distCoeffs, rvec, tvec);
}
double tvec_x = tvec.get(0, 0)[0], tvec_y = tvec.get(1, 0)[0], tvec_z = tvec.get(2, 0)[0];
bool isNotInViewport = false;
Vector4 pos = VP * new Vector4((float)tvec_x, (float)tvec_y, (float)tvec_z, 1.0f);
if (pos.w != 0)
{
float x = pos.x / pos.w, y = pos.y / pos.w, z = pos.z / pos.w;
if (x < -1.0f || x > 1.0f || y < -1.0f || y > 1.0f || z < -1.0f || z > 1.0f)
{
isNotInViewport = true;
}
}
if (double.IsNaN(tvec_z) || isNotInViewport)
{ // if tvec is wrong data, do not use extrinsic guesses. (the estimated object is not in the camera field of view)
Calib3d.solvePnP(objectPoints, imagePoints, camMatrix, distCoeffs, rvec, tvec);
}
else
{
Calib3d.solvePnP(objectPoints, imagePoints, camMatrix, distCoeffs, rvec, tvec, true, Calib3d.SOLVEPNP_ITERATIVE);
}
//Debug.Log (tvec.dump());
if (!isNotInViewport)
{
// Display effects.
if (displayHead)
{
head.SetActive(true);
}
if (displayAxes)
{
axes.SetActive(true);
}
if (displayEffects)
{
rightEye.SetActive(isRightEyeOpen);
leftEye.SetActive(isLeftEyeOpen);
if (isMouthOpen)
{
mouth.SetActive(true);
foreach (ParticleSystem ps in mouthParticleSystem)
{
var em = ps.emission;
em.enabled = true;
#if UNITY_5_5_OR_NEWER
var main = ps.main;
main.startSizeMultiplier = 20;
#else
ps.startSize = 20;
#endif
}
}
else
{
foreach (ParticleSystem ps in mouthParticleSystem)
{
var em = ps.emission;
em.enabled = false;
}
}
}
// 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;
// Create transform matrix.
transformationM = Matrix4x4.TRS(poseData.pos, poseData.rot, Vector3.one);
}
// right-handed coordinates system (OpenCV) to left-handed one (Unity)
// https://stackoverflow.com/questions/30234945/change-handedness-of-a-row-major-4x4-transformation-matrix
ARM = invertYM * transformationM * invertYM;
// Apply Y-axis and Z-axis refletion matrix. (Adjust the posture of the AR object)
ARM = ARM * invertYM * 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);
}
}
}
else
{
rightEye.SetActive(false);
leftEye.SetActive(false);
head.SetActive(false);
mouth.SetActive(false);
axes.SetActive(false);
}
//Imgproc.putText (rgbMat, "W:" + rgbMat.width () + " H:" + rgbMat.height () + " SO:" + Screen.orientation, new Point (5, rgbMat.rows () - 10), Imgproc.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar (255, 255, 255), 1, Imgproc.LINE_AA, false);
OpenCVForUnity.UnityUtils.Utils.fastMatToTexture2D(rgbMat, texture);
}
private void Run()
{
if (string.IsNullOrEmpty(dlibShapePredictorFilePath))
{
Debug.LogError("shape predictor file does not exist. Please copy from “DlibFaceLandmarkDetector/StreamingAssets/” to “Assets/StreamingAssets/” folder. ");
}
//set 3d face object points. (right-handed coordinates system)
objectPoints68 = new MatOfPoint3f(
new Point3(-34, 90, 83), //l eye (Interpupillary breadth)
new Point3(34, 90, 83), //r eye (Interpupillary breadth)
new Point3(0.0, 50, 117), //nose (Tip)
new Point3(0.0, 32, 97), //nose (Subnasale)
new Point3(-79, 90, 10), //l ear (Bitragion breadth)
new Point3(79, 90, 10) //r ear (Bitragion breadth)
);
objectPoints17 = new MatOfPoint3f(
new Point3(-34, 90, 83), //l eye (Interpupillary breadth)
new Point3(34, 90, 83), //r eye (Interpupillary breadth)
new Point3(0.0, 50, 117), //nose (Tip)
new Point3(0.0, 32, 97), //nose (Subnasale)
new Point3(-79, 90, 10), //l ear (Bitragion breadth)
new Point3(79, 90, 10) //r ear (Bitragion breadth)
);
objectPoints6 = new MatOfPoint3f(
new Point3(-34, 90, 83), //l eye (Interpupillary breadth)
new Point3(34, 90, 83), //r eye (Interpupillary breadth)
new Point3(0.0, 50, 117), //nose (Tip)
new Point3(0.0, 32, 97) //nose (Subnasale)
);
objectPoints5 = new MatOfPoint3f(
new Point3(-23, 90, 83), //l eye (Inner corner of the eye)
new Point3(23, 90, 83), //r eye (Inner corner of the eye)
new Point3(-50, 90, 80), //l eye (Tail of the eye)
new Point3(50, 90, 80), //r eye (Tail of the eye)
new Point3(0.0, 32, 97) //nose (Subnasale)
);
imagePoints = new MatOfPoint2f();
faceLandmarkDetector = new FaceLandmarkDetector(dlibShapePredictorFilePath);
rgbMat = new Mat();
capture = new VideoCapture();
capture.open(video_filepath);
if (!capture.isOpened())
{
Debug.LogError("capture.isOpened() is false. Please copy from “OpenCVForUnity/StreamingAssets/” to “Assets/StreamingAssets/” folder. ");
}
Debug.Log("CAP_PROP_FORMAT: " + capture.get(Videoio.CAP_PROP_FORMAT));
Debug.Log("CAP_PROP_POS_MSEC: " + capture.get(Videoio.CAP_PROP_POS_MSEC));
Debug.Log("CAP_PROP_POS_FRAMES: " + capture.get(Videoio.CAP_PROP_POS_FRAMES));
Debug.Log("CAP_PROP_POS_AVI_RATIO: " + capture.get(Videoio.CAP_PROP_POS_AVI_RATIO));
Debug.Log("CAP_PROP_FRAME_COUNT: " + capture.get(Videoio.CAP_PROP_FRAME_COUNT));
Debug.Log("CAP_PROP_FPS: " + capture.get(Videoio.CAP_PROP_FPS));
Debug.Log("CAP_PROP_FRAME_WIDTH: " + capture.get(Videoio.CAP_PROP_FRAME_WIDTH));
Debug.Log("CAP_PROP_FRAME_HEIGHT: " + capture.get(Videoio.CAP_PROP_FRAME_HEIGHT));
capture.grab();
capture.retrieve(rgbMat, 0);
int frameWidth = rgbMat.cols();
int frameHeight = rgbMat.rows();
texture = new Texture2D(frameWidth, frameHeight, TextureFormat.RGB24, false);
gameObject.transform.localScale = new Vector3((float)frameWidth, (float)frameHeight, 1);
capture.set(Videoio.CAP_PROP_POS_FRAMES, 0);
gameObject.GetComponent <Renderer>().material.mainTexture = texture;
Debug.Log("Screen.width " + Screen.width + " Screen.height " + Screen.height + " Screen.orientation " + Screen.orientation);
if (fpsMonitor != null)
{
fpsMonitor.Add("dlib shape predictor", dlibShapePredictorFileName);
fpsMonitor.Add("width", frameWidth.ToString());
fpsMonitor.Add("height", frameHeight.ToString());
fpsMonitor.Add("orientation", Screen.orientation.ToString());
}
float width = (float)frameWidth;
float height = (float)frameHeight;
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;
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());
distCoeffs = new MatOfDouble(0, 0, 0, 0);
Debug.Log("distCoeffs " + distCoeffs.dump());
// create AR camera P * V Matrix
Matrix4x4 P = ARUtils.CalculateProjectionMatrixFromCameraMatrixValues((float)fx, (float)fy, (float)cx, (float)cy, width, height, 0.3f, 2000f);
Matrix4x4 V = Matrix4x4.TRS(Vector3.zero, Quaternion.identity, new Vector3(1, 1, -1));
VP = P * V;
//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);
}
invertYM = Matrix4x4.TRS(Vector3.zero, Quaternion.identity, new Vector3(1, -1, 1));
Debug.Log("invertYM " + invertYM.ToString());
invertZM = Matrix4x4.TRS(Vector3.zero, Quaternion.identity, new Vector3(1, 1, -1));
Debug.Log("invertZM " + invertZM.ToString());
axes.SetActive(false);
head.SetActive(false);
rightEye.SetActive(false);
leftEye.SetActive(false);
mouth.SetActive(false);
mouthParticleSystem = mouth.GetComponentsInChildren <ParticleSystem>(true);
}
// Update is called once per frame
void Update()
{
if (capture == null)
{
return;
}
//Loop play
if (capture.get(Videoio.CAP_PROP_POS_FRAMES) >= capture.get(Videoio.CAP_PROP_FRAME_COUNT))
{
capture.set(Videoio.CAP_PROP_POS_FRAMES, 0);
}
if (capture.grab())
{
capture.retrieve(rgbMat, 0);
Imgproc.cvtColor(rgbMat, rgbMat, Imgproc.COLOR_BGR2RGB);
//Debug.Log ("Mat toString " + rgbMat.ToString ());
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbMat);
//detect face rects
List <UnityEngine.Rect> detectResult = faceLandmarkDetector.Detect();
if (detectResult.Count > 0)
{
//detect landmark points
List <Vector2> points = faceLandmarkDetector.DetectLandmark(detectResult [0]);
if (displayFacePoints)
{
OpenCVForUnityUtils.DrawFaceLandmark(rgbMat, points, new Scalar(0, 255, 0), 2);
}
imagePoints.fromArray(
new Point((points [38].x + points [41].x) / 2, (points [38].y + points [41].y) / 2), //l eye (Interpupillary breadth)
new Point((points [43].x + points [46].x) / 2, (points [43].y + points [46].y) / 2), //r eye (Interpupillary breadth)
new Point(points [30].x, points [30].y), //nose (Nose top)
new Point(points [48].x, points [48].y), //l mouth (Mouth breadth)
new Point(points [54].x, points [54].y), //r mouth (Mouth breadth)
new Point(points [0].x, points [0].y), //l ear (Bitragion breadth)
new Point(points [16].x, points [16].y) //r ear (Bitragion breadth)
);
// Estimate head pose.
if (rvec == null || tvec == null)
{
rvec = new Mat(3, 1, CvType.CV_64FC1);
tvec = new Mat(3, 1, CvType.CV_64FC1);
Calib3d.solvePnP(objectPoints, imagePoints, camMatrix, distCoeffs, rvec, tvec);
}
double tvec_z = tvec.get(2, 0) [0];
if (double.IsNaN(tvec_z) || tvec_z < 0) // if tvec is wrong data, do not use extrinsic guesses.
{
Calib3d.solvePnP(objectPoints, imagePoints, camMatrix, distCoeffs, rvec, tvec);
}
else
{
Calib3d.solvePnP(objectPoints, imagePoints, camMatrix, distCoeffs, rvec, tvec, true, Calib3d.SOLVEPNP_ITERATIVE);
}
// Debug.Log (tvec.dump());
if (!double.IsNaN(tvec_z))
{
if (Mathf.Abs((float)(points [43].y - points [46].y)) > Mathf.Abs((float)(points [42].x - points [45].x)) / 6.0)
{
if (displayEffects)
{
rightEye.SetActive(true);
}
}
if (Mathf.Abs((float)(points [38].y - points [41].y)) > Mathf.Abs((float)(points [39].x - points [36].x)) / 6.0)
{
if (displayEffects)
{
leftEye.SetActive(true);
}
}
if (displayHead)
{
head.SetActive(true);
}
if (displayAxes)
{
axes.SetActive(true);
}
float noseDistance = Mathf.Abs((float)(points [27].y - points [33].y));
float mouseDistance = Mathf.Abs((float)(points [62].y - points [66].y));
if (mouseDistance > noseDistance / 5.0)
{
if (displayEffects)
{
mouth.SetActive(true);
foreach (ParticleSystem ps in mouthParticleSystem)
{
var em = ps.emission;
em.enabled = true;
ps.startSize = 40 * (mouseDistance / noseDistance);
}
}
}
else
{
if (displayEffects)
{
foreach (ParticleSystem ps in mouthParticleSystem)
{
var em = ps.emission;
em.enabled = false;
}
}
}
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));
// 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);
}
}
}
else
{
rightEye.SetActive(false);
leftEye.SetActive(false);
head.SetActive(false);
mouth.SetActive(false);
axes.SetActive(false);
}
Imgproc.putText(rgbMat, "W:" + rgbMat.width() + " H:" + rgbMat.height() + " SO:" + Screen.orientation, new Point(5, rgbMat.rows() - 10), Core.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar(255, 255, 255), 1, Imgproc.LINE_AA, false);
OpenCVForUnity.Utils.matToTexture2D(rgbMat, texture, colors);
}
}
/// <summary>
/// Raises the web cam texture to mat helper initialized event.
/// </summary>
public void OnWebCamTextureToMatHelperInitialized()
{
Debug.Log("OnWebCamTextureToMatHelperInitialized");
Mat webCamTextureMat = webCamTextureToMatHelper.GetMat();
texture = new Texture2D(webCamTextureMat.cols(), webCamTextureMat.rows(), TextureFormat.RGBA32, false);
Utils.fastMatToTexture2D(webCamTextureMat, texture);
gameObject.GetComponent <Renderer>().material.mainTexture = texture;
gameObject.transform.localScale = new Vector3(webCamTextureMat.cols(), webCamTextureMat.rows(), 1);
Debug.Log("Screen.width " + Screen.width + " Screen.height " + Screen.height + " Screen.orientation " + Screen.orientation);
if (fpsMonitor != null)
{
fpsMonitor.Add("dlib shape predictor", dlibShapePredictorFileName);
fpsMonitor.Add("width", webCamTextureToMatHelper.GetWidth().ToString());
fpsMonitor.Add("height", webCamTextureToMatHelper.GetHeight().ToString());
fpsMonitor.Add("orientation", Screen.orientation.ToString());
}
float width = webCamTextureMat.width();
float height = webCamTextureMat.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;
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());
distCoeffs = new MatOfDouble(0, 0, 0, 0);
Debug.Log("distCoeffs " + distCoeffs.dump());
// create AR camera P * V Matrix
Matrix4x4 P = ARUtils.CalculateProjectionMatrixFromCameraMatrixValues((float)fx, (float)fy, (float)cx, (float)cy, width, height, 0.3f, 2000f);
Matrix4x4 V = Matrix4x4.TRS(Vector3.zero, Quaternion.identity, new Vector3(1, 1, -1));
VP = P * V;
//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);
}
invertYM = Matrix4x4.TRS(Vector3.zero, Quaternion.identity, new Vector3(1, -1, 1));
Debug.Log("invertYM " + invertYM.ToString());
invertZM = Matrix4x4.TRS(Vector3.zero, Quaternion.identity, new Vector3(1, 1, -1));
Debug.Log("invertZM " + invertZM.ToString());
axes.SetActive(false);
head.SetActive(false);
rightEye.SetActive(false);
leftEye.SetActive(false);
mouth.SetActive(false);
mouthParticleSystem = mouth.GetComponentsInChildren <ParticleSystem>(true);
}
// Update is called once per frame
void Update()
{
if (webCamTextureToMatHelper.IsPlaying() && webCamTextureToMatHelper.DidUpdateThisFrame())
{
Mat rgbaMat = webCamTextureToMatHelper.GetMat();
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbaMat);
//detect face rects
List <UnityEngine.Rect> detectResult = faceLandmarkDetector.Detect();
if (detectResult.Count > 0)
{
//detect landmark points
List <Vector2> points = faceLandmarkDetector.DetectLandmark(detectResult [0]);
if (displayFacePoints)
{
OpenCVForUnityUtils.DrawFaceLandmark(rgbaMat, points, new Scalar(0, 255, 0, 255), 2);
}
MatOfPoint3f objectPoints = null;
bool isRightEyeOpen = false;
bool isLeftEyeOpen = false;
bool isMouthOpen = false;
if (points.Count == 68)
{
objectPoints = objectPoints68;
imagePoints.fromArray(
new Point((points [38].x + points [41].x) / 2, (points [38].y + points [41].y) / 2), //l eye (Interpupillary breadth)
new Point((points [43].x + points [46].x) / 2, (points [43].y + points [46].y) / 2), //r eye (Interpupillary breadth)
new Point(points [30].x, points [30].y), //nose (Nose top)
new Point(points [48].x, points [48].y), //l mouth (Mouth breadth)
new Point(points [54].x, points [54].y), //r mouth (Mouth breadth)
new Point(points [0].x, points [0].y), //l ear (Bitragion breadth)
new Point(points [16].x, points [16].y) //r ear (Bitragion breadth)
);
if (Mathf.Abs((float)(points [43].y - points [46].y)) > Mathf.Abs((float)(points [42].x - points [45].x)) / 5.0)
{
isRightEyeOpen = true;
}
if (Mathf.Abs((float)(points [38].y - points [41].y)) > Mathf.Abs((float)(points [39].x - points [36].x)) / 5.0)
{
isLeftEyeOpen = true;
}
float noseDistance = Mathf.Abs((float)(points [27].y - points [33].y));
float mouseDistance = Mathf.Abs((float)(points [62].y - points [66].y));
if (mouseDistance > noseDistance / 5.0)
{
isMouthOpen = true;
}
else
{
isMouthOpen = false;
}
}
else if (points.Count == 5)
{
objectPoints = objectPoints5;
imagePoints.fromArray(
new Point(points [3].x, points [3].y), //l eye (Inner corner of the eye)
new Point(points [1].x, points [1].y), //r eye (Inner corner of the eye)
new Point(points [2].x, points [2].y), //l eye (Tail of the eye)
new Point(points [0].x, points [0].y), //r eye (Tail of the eye)
new Point(points [4].x, points [4].y) //nose (Nose top)
);
if (fpsMonitor != null)
{
fpsMonitor.consoleText = "This example supports mainly the face landmark points of 68 points.";
}
}
// Estimate head pose.
if (rvec == null || tvec == null)
{
rvec = new Mat(3, 1, CvType.CV_64FC1);
tvec = new Mat(3, 1, CvType.CV_64FC1);
Calib3d.solvePnP(objectPoints, imagePoints, camMatrix, distCoeffs, rvec, tvec);
}
double tvec_z = tvec.get(2, 0) [0];
if (double.IsNaN(tvec_z) || tvec_z < 0) // if tvec is wrong data, do not use extrinsic guesses.
{
Calib3d.solvePnP(objectPoints, imagePoints, camMatrix, distCoeffs, rvec, tvec);
}
else
{
Calib3d.solvePnP(objectPoints, imagePoints, camMatrix, distCoeffs, rvec, tvec, true, Calib3d.SOLVEPNP_ITERATIVE);
}
//Debug.Log (tvec.dump());
if (!double.IsNaN(tvec_z))
{
if (displayHead)
{
head.SetActive(true);
}
if (displayAxes)
{
axes.SetActive(true);
}
if (displayEffects)
{
rightEye.SetActive(isRightEyeOpen);
leftEye.SetActive(isLeftEyeOpen);
if (isMouthOpen)
{
mouth.SetActive(true);
foreach (ParticleSystem ps in mouthParticleSystem)
{
var em = ps.emission;
em.enabled = true;
#if UNITY_5_5_OR_NEWER
var main = ps.main;
main.startSizeMultiplier = 20;
#else
ps.startSize = 20;
#endif
}
}
else
{
foreach (ParticleSystem ps in mouthParticleSystem)
{
var em = ps.emission;
em.enabled = false;
}
}
}
// 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;
// Create transform matrix.
transformationM = Matrix4x4.TRS(poseData.pos, poseData.rot, Vector3.one);
}
// 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);
}
}
//Imgproc.putText (rgbaMat, "W:" + rgbaMat.width () + " H:" + rgbaMat.height () + " SO:" + Screen.orientation, new Point (5, rgbaMat.rows () - 10), Core.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar (255, 255, 255, 255), 1, Imgproc.LINE_AA, false);
OpenCVForUnity.Utils.fastMatToTexture2D(rgbaMat, texture);
}
}
