HP Gesture Keyboard - Manual
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Table of Contents:
- Page 2 – Scripts; Ashish Krishna; Abstract; Keywords
- Page 3 – typical computer setup with a gesture keyboard; Need for a Devnagari input device; More than one modifier can be attached to one consonant; Issues with using an Inscript Keyboard
- Page 4 – Inscript keyboard (with multiple characters on a single key); Introduction to the GKB; Gestures
- Page 5 – Varnmala layout; Feedback
- Page 6 – Finalizing keys and layout size; The users should be able to see the key label
- Page 7 – User study; Objective; HP labs Employee (who know Hindi and occasionally write in Hindi); Apparatus; tip and 9mm diameter grip pen
- Page 8 – Evaluation method; Character study; Analysis; tip and 12mm diameter pen; and
- Page 9 – percentile data so that almost all of the
- Page 10 – the no of participants); Results; Final layout
Gesture Keyboard - User centered design of a unique input device
for Indic Scripts
♦
Ashish Krishna
1
, Rahul Ajmera
1
, Sandesh Halarnkar, Prashant Pandit
HP Laboratories India
HPL-2005-56
March 18, 2005*
devnagari text
entry, gesture
keyboard (GKB),
matras, modifier,
syllable, IMEs
Indic text input presents a unique challenge in the field of keyboard
design because of the number of standalone characters, conjuncts, matras,
and symbols. It poses a huge challenge to the HCI practitioners to
accommodate the humongous array of Devnagari characters in a
keyboard. Solutions for input in Devnagari scripts using a physical
keyboard have been around for a while but none of them have emerged as
a standard mechanism due to several usability related concerns. In this
paper we have described the design of a new gesture based keyboard,
which has a dual input mode 1. Gesturing 2. Tapping. The "gesture
keyboard" concept is based on partial hand writing recognition as well as
touch-typing paradigms. Conceptually, it is a stylus sensitive keypad that
supports tapping for getting the base consonants and some symbols,
while it also recognizes handwritten matras as per handwriting
recognition methods. This paper also reports the findings of the user
study, which was carried out to find the optimum sizes of the keys and
layouts.
* Internal Accession Date Only
♦
HCI International 2005, 22-27 July 2005, Las Vegas, Nevada, USA
1
Human Factors International, 4
th
Floor, Chemtex House, Hiranandani Gardens, Mumbai – 400 076, India
Approved for External Publication
©
Copyright 2005 Hewlett-Packard Development Company, L.P.
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Summary
Gesture Keyboard - User centered design of a unique input device for Indic Scripts Ashish Krishna 1 , Rahul Ajmera 1 Human Factors International 4 th Floor, Chemtex House Hiranandani Gardens Mumbai – 400 076 {ashish.krishna, rahul.ajmera}@hp.com 1 Currently at HP labs Sandesh Halarnkar and Prashant ...
Figure 1: typical computer setup with a gesture keyboard 2.1 Need for a Devnagari input device Computer usage in India is almost entirely in English and is restricted to the English-speaking, upper and upper-middle class people. This stands in direct contrast with the demand for communication in Ind...
Figure 2: Inscript keyboard (with multiple characters on a single key) Commercially the demand for Devnagari input has been patched by the Inscript keyboard. This is essentially a QWERTY keyboard with Devnagari characters mapped onto the keys. The minimum number of characters that are required even ...
