1)   VisionLab VC++ 3.1
VC++ Basic Computer Vision Library. Motion, and Image recognition (Canny, Hough Lines, Contour Finder, and more.). Allows rapid development with almost zero lines of code. Includes video capture components. Free for non-commercial use.
Computer Vision, Motion Detect, Object Tracking, Canny, Hough, Contours,

 2)   VisionLab .NET 3.1
.NET 2.0 Basic Computer Vision Library. Motion, and Image recognition (Canny, Hough Lines, Contour Finder, and more.). Allows rapid development with almost zero lines of code. Includes video capture components. Free for non-commercial use.
Computer Vision, Motion Detect, Object Tracking, Canny, Hough, Contours,

 3)   VisionLab VCL 3.1
Delphi/C++ Builder Basic Computer Vision Library. Motion, and Image recognition (Canny, Hough Lines, Contour Finder, and more.). Allows rapid development with almost zero lines of code. Includes video capture components. Free for non-commercial use.
Computer Vision, Motion Detect, Object Tracking, Canny, Hough, Contours,