public void Invoke(Texture inputTex, int[] indxs, FaceDetect.Result face, FaceMesh.Result meshResult, int side)
{
CalcEyeRoi(face, meshResult, indxs[0], indxs[1]);
var options = (inputTex is WebCamTexture)
? resizeOptions.GetModifedForWebcam((WebCamTexture)inputTex)
: resizeOptions;
cropMatrix = RectTransformationCalculator.CalcMatrix(new RectTransformationCalculator.Options()
{
rect = face.rectEye,
rotationDegree = CalcFaceRotation(ref face) * Mathf.Rad2Deg,
shift = FaceShift,
scale = FaceScale,
cameraRotationDegree = -options.rotationDegree,
mirrorHorizontal = options.mirrorHorizontal,
mirrorVertiacal = options.mirrorVertical,
});
RenderTexture rt = resizer.Resize(
inputTex, options.width, options.height, true,
cropMatrix,
TextureResizer.GetTextureST(inputTex, options));
ToTensor(rt, input0, false);
interpreter.SetInputTensorData(0, input0);
interpreter.Invoke();
interpreter.GetOutputTensorData(0, output0);
interpreter.GetOutputTensorData(1, output1);
}
private void CalcEyeRoi(FaceDetect.Result face, FaceMesh.Result meshResult, int idx0, int idx1)
{
float x0 = meshResult.keypoints[idx0].x;
float y0 = meshResult.keypoints[idx0].y;
float x1 = meshResult.keypoints[idx1].x;
float y1 = meshResult.keypoints[idx1].y;
float cx = (x0 + x1) / 2.0f;
float cy = (y0 + y1) / 2.0f;
float w = Mathf.Abs(x1 - x0);
float h = Mathf.Abs(y1 - y0);
{
float long_side = Mathf.Max(w, h);
w = h = long_side;
}
{
float scale = 1f;
w *= scale;
h *= scale;
}
float dx = w / 2.0f;
float dy = h / 2.0f;
Vector2[] eye_pos = new Vector2[4];
eye_pos[0].x = -dx; eye_pos[0].y = -dy;
eye_pos[1].x = +dx; eye_pos[1].y = -dy;
eye_pos[2].x = +dx; eye_pos[2].y = +dy;
eye_pos[3].x = -dx; eye_pos[3].y = +dy;
float rotation = 0.0f;
for (int i = 0; i < 4; i++)
{
float sx = eye_pos[i].x;
float sy = eye_pos[i].y;
eye_pos[i].x = sx * Mathf.Cos(rotation) - sy * Mathf.Sin(rotation);
eye_pos[i].y = sx * Mathf.Sin(rotation) + sy * Mathf.Cos(rotation);
eye_pos[i].x += cx;
eye_pos[i].y += cy;
}
face.rectEye.x = cx - w / 2;
face.rectEye.y = (1f - cy) - h / 2;
face.rectEye.width = w;
face.rectEye.height = h;
}