Pen interaction method and system based on handwriting input state adaptive judgment processing

Abstract

A pen-based interactive method based on adaptive judgment and processing of handwriting input state. During the process of hand-drawn graphic input and handwritten text input by the user, the current input state of the user is automatically judged and real-time processing feedback is performed, and the user does not need to use the mouse, keyboard, etc. Interactive devices intervene without explicit state switching, and express interaction intentions smoothly. The method defines a character input gesture, which can be distinguished from other basic graphics, and can also be ambiguously defined with the basic graphics that compose the compound graphics. The designed character input state judgment processing method and annotation position judgment method can realize the automatic judgment of the annotation input state and annotation position of independent text objects or target symbols. The method can simplify the user's operation process, enable the user to complete the pen interaction naturally and efficiently, has certain versatility and scalability, and can be applied to professional fields such as mechanical aided design and command control based on pen interaction.

Description

technical field [0001] The invention relates to the technical field of human-computer interaction input, in particular to a pen-type interaction method and system based on handwriting input state adaptive judgment processing. Background technique [0002] The traditional graphical user interface is based on the desktop metaphor, adopts the WIMP (Window, Icon, Menu, Pointing) interaction paradigm, and uses the mouse and keyboard as interactive devices to realize human-computer dialogue. Pen interaction is based on the metaphor of pen and paper. Through input devices such as writing pads and touch screens, it collects the user's input trajectory based on stylus or fingers, helping people to easily capture ideas, record events, perform abstract thinking and describe images. Because it provides a natural and convenient operation mode, pen-based interaction has a wide range of application requirements in many fields such as computer-aided design, computer animation and virtual re...

AI Technical Summary

Problems solved by technology

[0009] In order to solve the defect that the handwriting interactive input method in the prior art cannot judge and process the symbol input with both graphics and text, a pen-type interactive method and system based on handwriting input state adaptive judgment processing are provided

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