コード例 #1
0
        public void ScaleWithGuassianSampler_CanScaleAnImageCorrectly()
        {
            var pgmImage = PgmService.Read(Resources.chairs);

            var scaledImage = _imageScaler.ScaleWithGuassianSampler(pgmImage, ScaleFactor, SigmaScaleFactor);

            var newPgmImage = PgmService.Write(scaledImage);
            var path        = Path.Combine(Directory.GetCurrentDirectory(), $"ImageScalerTest-{Guid.NewGuid()}.pgm");

            File.WriteAllBytes(path, newPgmImage);
        }
コード例 #2
0
        public void LoadTest()
        {
            var pgmImage = PgmService.Read(Resources.chairs);

            var stopWatch = new Stopwatch();

            stopWatch.Start();
            const int numberOfRuns = 20;

            for (var i = 0; i < numberOfRuns; i++)
            {
                _imageScaler.ScaleWithGuassianSampler(pgmImage, ScaleFactor, SigmaScaleFactor);
            }
            stopWatch.Stop();
            var perSecond = numberOfRuns / (stopWatch.ElapsedMilliseconds / 1000);

            Console.WriteLine($"Took {stopWatch.ElapsedMilliseconds}ms, running at {perSecond} scalings per second");
        }
コード例 #3
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        public void Run_SuccessfullyIdentifiesLineSegments()
        {
            var pgmImage = PgmService.Read(Resources.chairs);

            var result    = _lineSegmentDetector.Run(pgmImage);
            var lineImage = result.Item2;

            // Any non-zero value in the image is a line. Convert this to black and white
            // by simply setting the maximum value for all lines.
            var outputImage = new Image <double, int>(lineImage.Width, lineImage.Height, 1);

            for (var x = 0; x < outputImage.Width; x++)
            {
                for (var y = 0; y < outputImage.Height; y++)
                {
                    outputImage[x, y] = lineImage[x, y] > 0 ? 1 : 0;
                }
            }

            var newPgmImage = PgmService.Write(outputImage);
            var path        = Path.Combine(Directory.GetCurrentDirectory(), $"LineSegmentDetectionTest-{Guid.NewGuid()}.pgm");

            File.WriteAllBytes(path, newPgmImage);
        }