What kinds of of IMEs are used for Chinese?
The most commonly seen input methods for Chinese make use of some kind of romanization. Others make use of CJK character component and stroke-based methods. Some may also allow direct input of hexadecimal character values. In addition to keyboard-based input methods, there are also handwriting-recognition systems that take input from a stylus, voice-recognition systems taking spoken input, and optical character recognition systems taking input from scans of handwritten or printed pages.
