Version 2.1.8[Common]Added PCAExample.[Common]Updated WebCamTextureToMatHelper.cs and OptimizationWebCamTextureToMatHelper.cs(Changed several method names.).

Version 2.0.5 [Common]Added HOGDescriptorSample.

Version 2.5.0 [Common]Added TransformECCExample, HumanSegmentationExample and ImageClassificationPPResnetExample.v [Common]Update TextOCRWebCamExample. [Common]Changed the setup procedure to use the SetupToolsWindow. [Common]Change the namespase under “OpenCVForUnity/Editor” folder from “OpenCVForUnity” to “OpenCVForUnity.Editor”. [Common]Added the ExampleAssetsDownloaderWindow that automatically downloads the necessary files to Examples. [Common]Added “OpenCVForUnity” folder under “StreamingAssets” folder. [Common]Added function to automatically move the StreamingAssets folder. [WebGL]Added Unity2022.2 or later support.