public IEnumerable <Bitmap> GetMidResConvolutionReducedAsBitmap(PhysicalImage physicalImage) // Only for demo
{
var convolutionResults = GetMidResConvolution2(physicalImage);
return(convolutionResults
.Select(Reduce)
.Select(r => r.ToBitmap()));
}
private FlatArray2DArray <int>[] GetMidResConvolution2(PhysicalImage physicalImage)
{
int GetConvolution(IEnumerable <int> convolutionPixels, double[] filter)
{
int value = (int)convolutionPixels
.Zip(filter, (a, b) => a * b)
.Sum();
value = value < 0 ? 0 : value;
value = value > 255 ? 255 : value;
return(value);
}
FastBitmap.FastBitmap bitmap = _loader.LoadImage(physicalImage.ImagePath);
var bitmapAsIntensity = new FastBitmapToIntensity2DArrayAdapter(bitmap);
var convolution135Result =
new FlatArray2DArray <int>(new int[bitmap.Width * bitmap.Height], bitmap.Width, bitmap.Height);
var convolution45Result =
new FlatArray2DArray <int>(new int[bitmap.Width * bitmap.Height], bitmap.Width, bitmap.Height);
var convolutionHorizontalResult =
new FlatArray2DArray <int>(new int[bitmap.Width * bitmap.Height], bitmap.Width, bitmap.Height);
var convolutionVerticalResult =
new FlatArray2DArray <int>(new int[bitmap.Width * bitmap.Height], bitmap.Width, bitmap.Height);
var convolutionEdgeResult =
new FlatArray2DArray <int>(new int[bitmap.Width * bitmap.Height], bitmap.Width, bitmap.Height);
bitmap.Lock();
for (int y = 0; y < bitmap.Height; y++)
{
for (int x = 0; x < bitmap.Width; x++)
{
var convolutionPixels =
GetConvolutionPixels(bitmapAsIntensity, new Rectangle(x - 1, y - 1, 3, 3)).ToArray();
convolution135Result[x, y] = GetConvolution(convolutionPixels, StatsGenerator.MidRes135Filter);
convolution45Result[x, y] = GetConvolution(convolutionPixels, StatsGenerator.MidRes45Filter);
convolutionHorizontalResult[x, y] =
GetConvolution(convolutionPixels, StatsGenerator.MidResHorizontalFilter);
convolutionVerticalResult[x, y] = GetConvolution(convolutionPixels, StatsGenerator.MidResVerticalFilter);
convolutionEdgeResult[x, y] = GetConvolution(convolutionPixels, StatsGenerator.MidResEdgeFilter);
}
}
bitmap.Unlock();
var convolutionResults = new[]
{
convolution135Result,
convolution45Result,
convolutionHorizontalResult,
convolutionVerticalResult,
convolutionEdgeResult,
};
return(convolutionResults);
}
private ImageAndStats GetMatchableSegments(PhysicalImage physicalImage)
{
var img = _loader.LoadImage(physicalImage.ImagePath);
// For movie stills with widescreen bars above/below, start further down and end higher up
IEnumerable <Rectangle> rects = GetSegmentRectangles(new Rectangle(6, 6, img.Width - 12, img.Height - 12));
// IEnumerable<Rectangle> rects = GetSegmentRectangles(new Rectangle(0, 0, img.Width, img.Height));
var segmentStats = new List <SegmentAndStats>();
foreach (var rectangle in rects)
{
var imageManipulationInfo = new ImageManipulationInfo(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height);
Stats.BasicStats basicStats = GetStats(physicalImage,
imageManipulationInfo);
segmentStats.Add(new SegmentAndStats(imageManipulationInfo, basicStats));
}
return(new ImageAndStats(physicalImage, segmentStats));
}
public IEnumerable <Bitmap> GetRefinedMatches2(PhysicalImage image, ImageManipulationInfo manipulationInfo)
{
var bitmap = _loader.LoadImage(image.ImagePath);
return(GetRefinedMatches2(bitmap, manipulationInfo));
}
public Bitmap GetBitmap(PhysicalImage physicalImage, ImageManipulationInfo manipulationInfo)
{
return(BitmapAdapter.FromPath(physicalImage.ImagePath, _loader)
.GetSegment(manipulationInfo));
}
public BasicStats GetStats(PhysicalImage image, ImageManipulationInfo manipulationInfo)
{
global::FastBitmap.FastBitmap bitmap = _loader.LoadImage(image.ImagePath);
return(GetStats(bitmap, manipulationInfo));
}