A method and 
system utilizing both (x, y) coordinate (“spatial”) 
stroke data and associated pressure information for improved 
handwriting recognition. The method and 
system can also be applied to all types of 
handwriting-based 
data entry applications and also to 
user authentication. The digitizer pad used in the computer 
system gives both spatial information and associated 
pressure data when a 
stroke is being drawn thereon, e.g., by a 
stylus. Pressure information can be used to differentiate between different character sets, e.g., upper case and lower case characters for certain alphabetic characters. The spatial 
stroke data then identifies the particular character. The pressure information can also be used to adjust any display attribute, such as character 
font size, 
font selection, color, italic, bold, 
underline, shadow, language, etc. The associated pressure information can also be used for recognizing a signature. In this case, a user is allowed to sign a name on the digitizer pad. This provides non-character based 
user authentication that relies not only on the spatial stroke data but also on the pressure applied at different points in the signed name or image. Pressure information can also be used to provide improved 
handwriting-based 
data entry. For instance, in a drafting program, the pressure of a drawn line can be used to determine its width. Generally, 
pressure data can also be used to improve 
handwriting recognition tasks and 
heuristics.