It is a fantastic screen capture and record software. It is suitable for your needs with powerful functions and user friendly interface.
ScreenCap:
Located on system tray
Capture of selected region
Capture of full screen
Record selected region (video)
Record full screen (video)

Video recording:
AVI/MPEG/WMV9 recording
- Compression of video using standard video codecs like MPEG, DivX, OpenDivX, XVid...
- Recommended video compressor is “DivX”.
- Pause/resume during AVI recording
-Frame rate can be changed (recommended is 5)


Edit Images.
Support all most popular image formats
Opens multi TIFF files
Cut, Copy, Paste, Memorize, Erase.
Zoom photos (Zoom out, Original size, Zoom in, Zoom to fit)
Scroll window to best watch display of zoomed image
Undo / Redo
Selection and crop tool
Paint and annotation tools (Pen, Brush, Spray, Eraser, Lines, Arrows, 5 types of figures)
Easily change image size and DPI
5 kinds of photo process (Horizontal mirror, Vertical mirror, Insert text, Rotate, Resize)
10 types of photo adjustment (Brightness, Lightness, Contrast, Desaturate and etc.)
More than 30 photo effect filters
Color Transfer
Twirl Effect
3 photo optimization (Autocolor, Autolevels and Autocontrast)
And much more

Optical character recognition (OCR) Unit
Optical character recognition (OCR) procedure to captures images spontaneously. (Windows Office 2003 or 2007 is required)
Supported image formats:
BMP, JPG, TIF, WBMP, GIF, PCX, TGA, ICO, JP2, JPC, RAS, PGX, PNM, PNG, TIFF