Dasher����ʷ

������

• Dasher���� David MacKay�쵼�µ� Inference Group����, , David MacKay������ϵ��һλ�߼���ʦ,ͬʱҲ����Ϣ�Ƽ���˾ Transversal�����ϴ�ʼ��. David��1997�꿪����Dasher�ĵ�һ��ԭ��.
• David Ward��1998�굽2002�꿪����Dasher���о��汾( research version) ;��Ϊ���IJ�ʿѧλ�о�, David��Dasherת��Ϊһ��ʵ�ʹ���������ϵͳ, �����˺ܶ�Ľ�, ������������������֤����ʵ��Ч��. David���ڹ�ְ��Spiral Software, Cambridge.
• Alan Blackwell, �����ʵ���ҽ�ʦ, ����������Ƹ�������.
• Phil Cowans and Tim Hospedales ҲΪ��Ŀ��������,������������׷��ϵͳ����.
• 2002������, Iain Murray����׼������Open Source software package. Iain��Ҫ��computational neuroscience at UCL��ʼ����PhD���� .
• ��2002������,����ϣ��Dasher��Ŀ�����������������������ר�Ҽ���, ʹ���ܵõ���һ����ǿ����Ӧ����ĵ���ƽ̨.
• ����ϣ����֤���Open Source project��һλ��Ŀ��������,ȷ����Ŀ�ijɹ�.

Dasher�汾

Version 1.*.* - C and tcl - linux��windows ƽ̨.

Uses ppm as the language model. Driven by mouse.
written by David Ward.
Version 1.*.* supports several European languages and Japanese (Hiragana). English version can support capital letters and lower case. This version's language model can be instructed both by loading an example input file and by loading a dictionary of valid spellings.

C - ���ϵ���

Driven by stylus on touch-screen.
written by David Ward.
This version includes capital letters, numbers, and a number of punctuation characters. Only English is supported.

Version 2.*.* - C - for linux and windows desktops

Version 2.*.* supports English, upper and lower case, punctuation and numbers. It will be released as Open Source, as version 3, in late Summer 2002.

Eye-Dasher

Driven by mouse that is controlled by eyetracker.
written by David Ward.

Daishoya (JDasher)

Japanese-language version of Dasher (Hiragana) - included in the C and tcl version

tcl - �����ԭ��

Demonstrates the relationship to arithmetic coding; includes a crude bigram language model.
written by David MacKay.
Runs on all platforms that support tcl (linux, windows, some browsers).

����ϸ��Dasher��ʷ���Դ� David MacKay��������.

��ͬ���������С�������.