Pointing Devices for Wearable Computers

Table 1

Our matrix classification of the devices surveyed, from an adaptations versus new devices dichotomy. Each device is characterized by control and sensing mechanisms and form factor.

Pointing devices	Control mechanism					Sensing mechanism				Form factor
	Head-track	Finger-track	Wrist-track	Forearm-track	Hand-operated	Acoustic	Cameras	Inertial	e-mech	Hand-held	Body-mounted
Adaptations
Davis’s optical mouse [12]	✗	✗	✗	✗	✓	✗	✓	✗	✗	✓	✗
Davis’s wireless mouse [12]	✗	✗	✗	✗	✓	✗	✗	✗	✓	✓	✗
Track mouse	✗	✗	✗	✗	✓	✗	✗	✗	✓	✓	✗
𝑅𝑒𝑚𝑜𝑡𝑒𝑃𝑜𝑖𝑛𝑡	✗	✗	✗	✗	✓	✗	✗	✗	✓	✓	✗
𝑇𝑤𝑖𝑑𝑑𝑙𝑒𝑟2	✗	✗	✗	✗	✓	✗	✗	✗	✓	✓	✗
EasyCat  Touchpad	✗	✗	✗	✗	✓	✗	✗	✗	✓	✗	✓
New devices
𝑊𝑒𝑎𝑟𝑇𝑟𝑎𝑐𝑘	✗	✓	✗	✗	✗	✓	✗	✗	✗	✗	✓
𝐺𝑟𝑎𝑦𝑙𝑒𝑣𝑒𝑙𝑉𝑖𝑠𝑢𝑎𝑙𝐺𝑙𝑜𝑣𝑒	✗	✓	✗	✗	✗	✗	✓	✗	✗	✗	✓
Gyration mouse	✗	✗	✗	✗	✓	✗	✗	✓	✗	✓	✗
Accelerometer mouse	✗	✗	✓	✗	✗	✗	✗	✓	✗	✗	✓
SBIMouse	✓	✗	✗	✗	✗	✗	✗	✓	✗	✗	✓
SCURRY	✗	✓	✗	✗	✗	✗	✗	✓	✗	✗	✓
Oakley et al.’s devices [22]	✗	✗	✓	✓	✓	✗	✗	✓	✗	✓	✓
𝐺3	✗	✓	✗	✗	✗	✗	✗	✓	✗	✗	✓
CUPID-MZ	✗	✗	✗	✗	✓	✗	✗	✗	✓	✓	✗
Frequency	1	4	2	1	9	1	2	6	6	8	8