public List <List <int> > Parse(string scanPdfPath)
{
Mat[] scansBin;
using (var scansPath = Gs.PdfToJpeg(scanPdfPath, $"Scans_{Guid.NewGuid()}", "scan"))
{
scansBin = scansPath.Files
.Select(path => Cv2.ImRead(path, ImreadModes.Grayscale))
.Select(mat => mat.GaussianBlur(
new Size(KernelSize, KernelSize),
GaussianSigma,
GaussianSigma))
.Select(mat => mat.Threshold(BinThreshold, 255, ThresholdTypes.Binary))
.ToArray();
}
for (int i = 0; i < scansBin.Length; i++)
{
var scan = scansBin[i];
Cv2.BitwiseNot(scan, scan);
Deskew(scan);
}
var checks = FindChecks(scansBin);
return(checks);
}
public LocatorModel(string templatePdfPath)
{
TemplatePdfPath = templatePdfPath;
using (var templates = Gs.PdfToJpeg(TemplatePdfPath, $"Templates_{Guid.NewGuid()}", "template"))
{
TemplateImgs = templates.Files.Select(path =>
{
using (var stream = File.OpenRead(path))
{
return(Image.FromStream(stream));
}
}).ToArray();
}
if (TemplateImgs.Length == 0)
{
throw new Exception("Invalid template pdf file");
}
Locations = new Dictionary <int, List <Point> > [TemplateImgs.Length];
for (int i = 0; i < Locations.Length; i++)
{
Locations[i] = new Dictionary <int, List <Point> >();
}
}