private List <ImageItem> FindBestByContent(Bitmap img)
{
ulong minError = ulong.MaxValue;
ulong offset = 100000;
byte[,] thumbnail = Processing.CreateThumbnail(img, Db.Images[0].ThumbnailSize);
var candidatesList = new List <ImageItem>();
var errorList = new Dictionary <string, ulong>();
foreach (ImageItem item in Db.Images)
{
ulong error = Processing.CalculateError(item.Thumbnail, thumbnail);
errorList.Add(item.Filename, error);
if (error < minError)
{
minError = error;
}
}
foreach (ImageItem item in Db.Images)
{
if (errorList[item.Filename] < minError + offset)
{
candidatesList.Add(item);
}
}
return(candidatesList);
}
