param([string]$ImagePath) Add-Type -AssemblyName System.Runtime.WindowsRuntime $asTaskGeneric = [System.WindowsRuntimeSystemExtensions].GetMethods() | Where-Object { $_.Name -eq 'AsTask' -and $_.GetParameters().Count -eq 1 -and $_.GetParameters()[0].ParameterType.Name -eq 'IAsyncOperation`1' } | Select-Object -First 1 function Await($WinRtTask, $ResultType) { $asTask = $asTaskGeneric.MakeGenericMethod($ResultType) $netTask = $asTask.Invoke($null, @($WinRtTask)) $netTask.Wait(-1) | Out-Null $netTask.Result } [Windows.Globalization.Language, Windows.Globalization, ContentType=WindowsRuntime] | Out-Null [Windows.Graphics.Imaging.BitmapDecoder, Windows.Graphics.Imaging, ContentType=WindowsRuntime] | Out-Null [Windows.Media.Ocr.OcrEngine, Windows.Media.Ocr, ContentType=WindowsRuntime] | Out-Null [Windows.Storage.StorageFile, Windows.Storage, ContentType=WindowsRuntime] | Out-Null $file = Await ([Windows.Storage.StorageFile]::GetFileFromPathAsync($ImagePath)) ([Windows.Storage.StorageFile]) $stream = Await ($file.OpenAsync([Windows.Storage.FileAccessMode]::Read)) ([Windows.Storage.Streams.IRandomAccessStream]) $decoder = Await ([Windows.Graphics.Imaging.BitmapDecoder]::CreateAsync($stream)) ([Windows.Graphics.Imaging.BitmapDecoder]) $bitmap = Await ($decoder.GetSoftwareBitmapAsync()) ([Windows.Graphics.Imaging.SoftwareBitmap]) $lang = [Windows.Globalization.Language]::new('zh-Hans-CN') $engine = [Windows.Media.Ocr.OcrEngine]::TryCreateFromLanguage($lang) $result = Await ($engine.RecognizeAsync($bitmap)) ([Windows.Media.Ocr.OcrResult]) $result.Lines | ForEach-Object { $_.Text }