Title:
METHODS FOR AUTOMATICALLY SWITCHING VIDEO CAPTURING AND PLAYING BACK FRAME RATE
Document Type and Number:
WIPO Patent Application WO/2019/204969
Kind Code:
A1
Abstract:
In an embodiment, a method includes receiving an indication that a video mode is invoked, wherein the receiving causes the following operations to be automatically performed: obtaining a first frame and a second frame at a first frame rate; defining a first ROI in the first frame based on a user's selection; defining a second ROI in the second frame based on the first ROI; determining a first camera motion flow; determining a first ROI motion flow between the first ROI and a corresponding portion of the second ROI; determining a second frame rate based on a first comparative value determined using the first ROI motion flow and the first camera motion flow; and capturing a third frame at the second frame rate by an image sensor unit, or playing back a fourth frame at the second frame rate on a touch screen unit.
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Inventors:
LIU CHANG (CN)
Application Number:
PCT/CN2018/084128
Publication Date:
October 31, 2019
Filing Date:
April 23, 2018
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
H04N5/232
Foreign References:
| CN105245817A | 2016-01-13 | |||
| CN107396019A | 2017-11-24 | |||
| CN102957864A | 2013-03-06 | |||
| US20170180653A1 | 2017-06-22 | |||
| US20120176505A1 | 2012-07-12 | |||
| US20070195182A1 | 2007-08-23 |
Other References:
See also references of EP 3741102A4
Attorney, Agent or Firm:
ESSEN PATENT&TRADEMARK AGENCY (CN)
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