Use 2D web camera computer vision, detect and tracking user's body program (source code)

Use 2D web camera computer vision, detect and tracking user's body program (source code) Real time user's body joints points detection and tracking program (C# WPF source code), Using 2D camera, Web camera . Body joints point tracking: 1. User's head center, face size, 2. body width (Shoulder width), 3. left hand center point and right hand center point. In C# WPF program, on XAML have Labels or text fields to show real-time detected body joints , X, Y and Z values, and body size (Shoulder width) reading values. Methods (open source): 1. Suggestion, the tracking program develop can using EmguCV (OpenCV C#) method, 2. and / or other computer vision methods (open source) you familiar with. Programmer with ther computer vision programing skills and able to develop the user body joints detect and tracking program. Functions: The tracking functions need detect and tracking real-time values X, Y and Z for user body joints: Head, Face <- (tracking reading real time X, Y, Z and Size values) User Body Width (= Shoulder Width), <- (tracking reading real time Size values) Left Hand, and Right hand <- (tracking reading real time X, Y, Z and Size) Program Challenges: (If you can) Program need to able to detect & tracking user body joint points and especially Hand Palm center points in reliable and steady, without lost tracking , or pause, or crash program errors. Development platform: Visual Studio 2013 Language: C# Application: WPF , Windows Presentation Foundation Windows 8.1, Windows 10 App development Program platform use: Use Visual Studio 2013, .NetFrame work 4.5 C# WPF Win 8.1, 10 Program setting x86 CPU, so program be can install and run on both 32 bits and 64 bits Windows 8.1, 10. Required: Submit completed C# WPF source code program, and Need Sign an IP Agreement (Freelancer), Intellectual Property Transfer Agreement