Using Aspose.Imaging for .NET library it is easy to convert to PSD(Photoshop Document) from other supported image formats...to PSD CMX to PSD OTG to PSD ODG to PSD ICO to PSD...
You can use Aspose.Imaging for Python via .NET library to convert from a variety of formats to J2K...to J2K CMX to J2K OTG to J2K ODG to J2K ICO to J2K...