KeySens: Passive User Authentication Through Micro Behavior Modeling of Soft ...
Gesture phones
1. Authors
Krishna Kumar. S & Sai Venkata Vinay. C
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Dept of Electronics & Communication Engg
SONA COLLEGE OF TECHNOLOGY, SALEM
2. What is a Gesture Phone?
Different tracking methods
◦ Optical tracking
Stereoscopic vision technology
Triangulation
◦ Inertial tracking
Cases of gesture recognition technology
Future innovations
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Dept of Electronics & Communication Engg
3. Phones which recognize our gestures and movements either
using touch or touch free technology
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http://www.pointgrab.com/276/gesture-mobile/http://www.fastcompany.com/1570274/how-use-
androids-gesture-search-and-leave-your-phones-
keyboard-behind
Dept of Electronics & Communication Engg
4. Optical tracking
Inertial tracking
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www.ti.com/lit/wp/spry199/spry199.pdf
Dept of Electronics & Communication Engg
5. Optical tracking:
◦ Two different cameras
◦ Triangulation method
Inertial tracking :
◦ Single camera
◦ Rolling shutters
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http://www.ti.com/lit/wp/spry199/spry199.pdf
Dept of Electronics & Communication Engg
Source :Real-time Motion Tracking on a Cellphone using Inertial Sensing and a
Rolling-Shutter Camera.
6. The common technologies used are
◦ Stereoscopic vision
◦ Structured light pattern
◦ Time of flight(TOF)
Dept of Electronics & Communication Engg 6
Source:www2.maths.lth.se
7. Two images shot
Image processed using triangulation
Calculates the depth of the image
http://www.ti.com/lit/wp/spry199/spry199.pdf
Dept of Electronics & Communication Engg 7
9. Independent of external structure
Pixels are captured row by row
Dept of Electronics & Communication Engg 9
Source :Real-time Motion Tracking on a Cell phone using Inertial Sensing and a Rolling-Shutter
Camera.
10. Dept of Electronics & Communication Engg 10
Source: Real-time Motion Tracking on a Cell phone using Inertial Sensing and a Rolling-Shutter Camera.
11. Answer call
Operate other devices
Browse web pages and scroll e-books
Switch off mobile
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Dept of Electronics & Communication Engg
www.thorntech.com Source: EFY June 2013
12. Point grab’s solution
Air swiper
Hovering controls
Blow to unlock
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Source: androios-tveaks.blogspot.com
Source: androios-tveaks.blogspot.com
13. Flexible programming environment
User friendly
Multitasking
Easy optimizing and paralyzing data
portable
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Dept of Electronics & Communication Engg
14. Depends on compiler’s performance
Power consumption
High clock cycle
High standard processor required
Requires lighting
Gorilla arm
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Dept of Electronics & Communication Engg
15. Ultrasonic on phone for industries
Infrared waves can be used for smaller application
Burglar alarm
Background smudging
Pausing of signal transmission
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Dept of Electronics & Communication Engg
16. 1. BongWhan Choe, Jun-Ki Min, and Sung-Bae Cho; Online Gesture Recognition for User
Interface.
2. Mingyang Li, Byung Hyung Kim and Anastasios I. Mourikis; Real-time Motion Tracking on a
Cellphone using Inertial Sensing and a Rolling-Shutter Camera.
3. Mingyu Chen, Ghassan AlRegib, Senior Member, IEEE, and Biing-Hwang Juang, Fellow, IEEE;
Feature Processing and Modeling for 6D Motion Gesture Recognition.
4. Dong-ik ko, Lead engineer, gesture recognition and depth –sensing gaurav agarwal, Manager,
Gesture recognition and depth-sensing; Gesture recognition: Enabling natural interactions with
electronics.
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Dept of Electronics & Communication Engg
Notas do Editor
Expalin about all three…….and specify more about stereoscopic vision.
