public static void Run()
{
// ExStart:SkewImageCorrectionUsingAlgorithm
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_OCR();
// Load template file
OmrTemplate template = OmrTemplate.Load(dataDir + "questions.amr");
// Load the image to be analyzed
OmrImage image = OmrImage.Load(dataDir + "answers.jpg");
// Area of the image to be processed
Rectangle area = new Rectangle(0, 0, image.Width, image.Height);
// Grayscale conversion
GrayscaleAlgorithm gs = new GrayscaleAlgorithm();
gs.Process(image, area);
// Binarization
AverageThresholdAlgorithm threshold = new AverageThresholdAlgorithm();
threshold.Process(image, area);
// Skew correction
SkewCorrectionAlgorithm skewCorrection = new SkewCorrectionAlgorithm();
skewCorrection.Process(ref image, area);
// save image
image.AsBitmap().Save(dataDir + "result_out.jpg");
// ExEnd:SkewImageCorrectionUsingAlgorithm
}
public static void Run()
{
// ExStart:SkewedImageSecondMethod
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_OCR();
// Load the image to be analyzed
OmrImage image = OmrImage.Load(dataDir + "answers.jpg");
OmrEngine engine = new OmrEngine(new OmrTemplate());
// Get skew degree of the image
double degree = engine.GetSkewDegree(image);
// Rotate image to correct skew
engine.RotateImage(ref image, degree);
// Save image
image.AsBitmap().Save(dataDir + "result_out.jpg");
// ExEnd:SkewedImageSecondMethod
}
