9. A system for image processing, comprising: a memory storing an image comprising: a first graphics element comprising a first hand-drawn character; and a second graphics element comprising a second hand-drawn character; and a processor connected to the memory that: determines that the first graphics element is a command specifying a name of a font and that the second graphics element is a non-command; and generates an electronic document comprising a text character corresponding to the second hand-drawn character and in the font, wherein the electronic document does not include the first graphics element.
9. A system for image processing, comprising: a memory storing an image comprising: a first graphics element comprising a first hand-drawn character; and a second graphics element comprising a second hand-drawn character; and a processor connected to the memory that: determines that the first graphics element is a command specifying a name of a font and that the second graphics element is a non-command; and generates an electronic document comprising a text character corresponding to the second hand-drawn character and in the font, wherein the electronic document does not include the first graphics element. 10. The system of claim 9 , wherein the command engine also: extracts a plurality of characters from the first graphics element by executing ICR on the image, wherein the first graphics element is a hand-written string on a writing board; identifies a command-invoking character within the plurality of characters; and maps a subset of the plurality of characters to the command.