C# 手寫識別方案整理

 1     private List<string> Recognize(StrokeCollection strokes)
 2     {
 3         if (strokes == null || strokes.Count == 0)
 4             return null;
 5         // 建立識別器
 6         var recognizers = new Recognizers();
 7         var chineseRecognizer = recognizers.GetDefaultRecognizer(0x0804);
 8         using var recContext = chineseRecognizer.CreateRecognizerContext();
 9         // 根據StrokeCollection構造 Ink 型別的筆跡資料。
10         using var stream = new MemoryStream();
11         strokes.Save(stream);
12         using var inkStorage = new Ink();
13         inkStorage.Load(stream.ToArray());
14         using var inkStrokes = inkStorage.Strokes;
15         //設定筆畫資料
16         using (recContext.Strokes = inkStrokes)
17         {
18             //識別筆畫資料
19             var recognitionResult = recContext.Recognize(out var statusResult);
20             // 如果識別過程中出現問題，則返回null
21             return statusResult == RecognitionStatus.NoError ?
22                 recognitionResult.GetAlternatesFromSelection().OfType<RecognitionAlternate>().Select(i => i.ToString()).ToList() :
23                 null;
24         }
25     }

 1     public IEnumerable<string> Recognize(StrokeCollection strokes)
 2     {
 3         if (strokes == null || strokes.Count == 0)
 4             return null;
 5 
 6         using var analyzer = new InkAnalyzer();
 7         analyzer.AddStrokes(strokes,0x0804);
 8         analyzer.SetStrokesType(strokes, StrokeType.Writing);
 9         var status = analyzer.Analyze();
10         if (status.Successful)
11         {
12             var alternateCollection = analyzer.GetAlternates();
13             return alternateCollection.OfType<AnalysisAlternate>().Select(x => x.RecognizedString);
14         }
15         return null;
16     }