Bytescout Graph Digitizer Scout converts hardy copy graphs, plots and charts to x,y data.
Key features:

• Automatically digitizes graphs, plots, charts using supported automated methods: color recognition, luminosity recognition, manual mode.
• *PNG, TIFF, GIF, BMP, JPG images import support.
• Ability to scan hard copy graphs directly from program (via TWAIN).
• *Image filters (blur, negative) support to help better and faster digitize graphs.
• Ability to export digitized x,y data to Excel via clipboard.