Title:
MID-AIR FINGER POINTING DETECTION FOR DEVICE INTERACTION
Document Type and Number:
WIPO Patent Application WO/2018/082498
Kind Code:
A1
Abstract:
The technology described herein is generally directed towards a free hand, barehanded technique to provide user input to a device, such as to move a cursor on a user interface. Frames of images are captured, and each frame is processed to determine a fingertip position. The processing includes an image segmentation phase that provides a binary representation of the image, a disjoint union arborescence graph construction phase that operates on the binary representation of the image to construct set of arborescence graphs, and a fingertip location estimation phase that selects a graph from among the set of arborescence graphs and uses the root node to estimate the fingertip location. Also described is determining a hand orientation from the set of arborescence graphs.
Inventors:
HUI PAN (CN)
HASSANI BIJARBOONEH FARSHID (CN)
LEE LIK HANG (CN)
HASSANI BIJARBOONEH FARSHID (CN)
LEE LIK HANG (CN)
Application Number:
PCT/CN2017/107832
Publication Date:
May 11, 2018
Filing Date:
October 26, 2017
Export Citation:
Assignee:
UNIV HONG KONG SCI & TECH (CN)
International Classes:
G06F3/01
Foreign References:
| CN103345627A | 2013-10-09 | |||
| CN102831404A | 2012-12-19 | |||
| US20160210452A1 | 2016-07-21 |
Other References:
HEO, G. ET AL.: "Hand Segmentation and Fingertip Detection for Interfacing of Stereo Vision- based Smart Glasses", IEEE INTERNATIONAL CONFERENCE ON CONSUMER ELECTRONICS (ICCE, 26 March 2015 (2015-03-26), XP032751254
Attorney, Agent or Firm:
TEE & HOWE INTELLECTUAL PROPERTY ATTORNEYS (CN)
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