Improved postprocessing analysis

Implementation/Ocr.OneShot.Postprocessing/Program.cs

@@ -1,5 +1,6 @@
 // See https://aka.ms/new-console-template for more information
 
+using System.Text.Json;
 using System.Text.RegularExpressions;
 using ImageMagick;
 using Ocr.Tesseract;
@@ -10,22 +11,25 @@ using Ocr.Tesseract.Screenshots.Threshold;
 using Process.Abstract.Configuration;
 using Process.Interface;
 
+var wordRegex = new Regex(
+    @"[\w'\-]{2,}",
+    RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.IgnoreCase
+);
+var tesseractConfig = new TesseractScreenshotConfiguration
+{
+    DataPath = "tessdata",
+    Languages = new[] { "eng", "deu" }
+};
 
-Console.WriteLine("Hello, World!");
+var jsonOptions = new JsonSerializerOptions() { WriteIndented = true };
+
+var processor = MakeProcessor();
+processor.Process(new[] { new MagickImage(args.Single()) });
+
+return;
 
 IProcessorChain<MagickImage, ScanResult> MakeProcessor()
 {
-    var wordRegex = new Regex(
-        @"[\w'\-]{2,}",
-        RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.IgnoreCase
-    );
-    
-    var tesseractConfig = new TesseractScreenshotConfiguration
-    {
-        DataPath = "tessdata",
-        Languages = new[] { "eng", "deu" }
-    };
-    
     var preprocessing = new ProcessorChainConfiguration<MagickImage, MagickImage>()
         .Use(new CloneImageProcessor())
         .Use(new ResizeProcessor(FilterType.Lanczos2Sharp, PixelInterpolateMethod.Mesh))
@@ -36,11 +40,15 @@ IProcessorChain<MagickImage, ScanResult> MakeProcessor()
         .Complete(new NegateCloneProcessor());
 
     var postprocessing = new ProcessorChainConfiguration<ScanResult, ScanResult>()
+        .Use(new ProcessingEvent<ScanResult>((_, data) => WriteToFile(data, "source")))
         .Use(new ConfidenceFilter(50))
-        // todo insert processing events and write to json files
+        .Use(new ProcessingEvent<ScanResult>((_, data) => WriteToFile(data, "confidence")))
         .Use(new ToLowerProcessor())
+        .Use(new ProcessingEvent<ScanResult>((_, data) => WriteToFile(data, "normalize")))
         .Use(new DuplicateFilter())
-        .Complete(new RegexFilter(wordRegex));
+        .Use(new ProcessingEvent<ScanResult>((_, data) => WriteToFile(data, "duplicates")))
+        .Use(new RegexFilter(wordRegex))
+        .Complete(new ProcessingEvent<ScanResult>((_, data) => WriteToFile(data, "regex")));
 
     var scan = new TesseractProcessor(tesseractConfig);
 
@@ -49,3 +57,25 @@ IProcessorChain<MagickImage, ScanResult> MakeProcessor()
         .Use(scan)
         .Complete(postprocessing);
 }
+
+void WriteToFile(ICollection<ScanResult> data, string name)
+{
+    using var file1 = File.Open($"{name}.detailed.json", FileMode.Create);
+    JsonSerializer.Serialize(file1, data.Select(WordInfo.Create), jsonOptions);
+
+    using var file2 = File.Open($"{name}.json", FileMode.Create);
+    JsonSerializer.Serialize(file2, data.Select(d => d.Word.Text), jsonOptions);
+}
+
+struct WordInfo
+{
+    public string Text { get; set; }
+
+    public double Confidence { get; set; }
+
+    public static WordInfo Create(ScanResult result) => new()
+    {
+        Text = result.Word.Text,
+        Confidence = result.Word.Confidence
+    };
+}

Implementation/Ocr.OneShot.Postprocessing/Properties/launchSettings.json

@@ -0,0 +1,9 @@
+{
+  "profiles": {
+    "Refresh thesis results": {
+      "commandName": "Project",
+      "commandLineArgs": "source.png",
+      "workingDirectory": "C:\\Users\\Simon\\Documents\\Userdata\\FH\\SEM5\\BA\\bsc\\include\\postprocessing"
+    }
+  }
+}