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

8. Dept of Electronics & Communication Engg 8
Source:www2.maths.lth.se

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