// Get a depth map from a single sub-aperture image grid
public static double[][] GetDepthMap_Grid()
{
Lytro.CheckConstants_DEBUG();
SceneView[][] views =
Lytro.CreateViewArrayFromBitmap(new Bitmap("Images/sample2.bmp"));
SceneView[] flattenedViews = views.SelectMany(inner => inner).ToArray();
double[][] depthBuffer = DepthEstimator.CalculateDepthMap(flattenedViews[0],
flattenedViews.Skip(1).ToArray());
/*
* // Take the log of every depth. This helps smooth out noise
* for (int y = 0; y < depthBuffer.Length; y++)
* {
* for (int x = 0; x < depthBuffer[0].Length; x++)
* {
* double depth = depthBuffer[y][x];
*
* if (depth != DepthEstimator.Constants.InvalidDepth &&
* !double.IsInfinity(depth))
* depthBuffer[y][x] = Math.Log(depth);
* }
* }
*/
return(depthBuffer);
}
// Get a depth map from 1080p post-processed images
public static double[][] GetDepthMap_1080()
{
int imgSize = 1080;
Point3Df orientation = new Point3Df(0, 0, 1);
double fov = 60.0 / 180.0 * Math.PI;
List <SceneView> views = new List <SceneView>();
foreach (string filename in Directory.GetFiles("Images/Rect/"))
{
if (!filename.EndsWith(".bmp"))
{
continue;
}
Bitmap bmp = new Bitmap(filename);
Image img = new Image(bmp);
Debug.Assert(img.Width == imgSize && img.Height == imgSize);
string xy = String.Concat(filename.SkipWhile(ch => ch != 'X'));
string[] x_y = String.Concat(xy.Take(xy.Length - ".bmp".Length)).
Split(new string[] { ", " }, StringSplitOptions.None);
double x = double.Parse(String.Concat(x_y[0].Skip(4)));
double y = double.Parse(String.Concat(x_y[1].Skip(4)));
Point3Df focalPt = new Point3Df(x * 10, y * 10, 0);
views.Add(new SceneView(img, focalPt, orientation, fov, fov));
}
return(DepthEstimator.CalculateDepthMap(views.First(), views.Skip(1).ToArray()));
}
// Get a depth map from a pair of binocular test images
public static double[][] GetDepthMap_Binocular()
{
Bitmap leftBmp = new Bitmap("Images/im2.bmp");
Bitmap rightBmp = new Bitmap("Images/im6.bmp");
Image leftImg = new Image(leftBmp);
Image rightImg = new Image(rightBmp);
Debug.Assert(leftImg.Width == rightImg.Width && leftImg.Height == rightImg.Height);
Point3Df leftFocalPt = new Point3Df(-100, 0, 0);
Point3Df rightFocalPt = -leftFocalPt;
Point3Df orientation = new Point3Df(0, 0, 1);
double fov = 70.0 / 180.0 * Math.PI;
SceneView leftView = new SceneView(leftImg, leftFocalPt, orientation, fov, fov);
SceneView rightView = new SceneView(rightImg, rightFocalPt, orientation, fov, fov);
double[][] depthBuffer = DepthEstimator.CalculateDepthMap(leftView, rightView);
// Take the log of every depth. This helps smooth out noise
for (int y = 0; y < depthBuffer.Length; y++)
{
for (int x = 0; x < depthBuffer[0].Length; x++)
{
double depth = depthBuffer[y][x];
if (depth != DepthEstimator.Constants.InvalidDepth &&
!double.IsInfinity(depth))
{
depthBuffer[y][x] = Math.Log(depth);
}
}
}
return(depthBuffer);
}