Information processing method and electronic device

Patent metadata

Field	Value
Publication number	US-2016286127-A1
Application number	US-201514755097-A
Country	US
Kind code	A1
Filing date	Jun 30, 2015
Priority date	Mar 24, 2015
Publication date	Sep 29, 2016
Grant date	—

Abstract

An information processing method and an electronic device are provided The method comprises: detecting a first movement parameter value of an image capture unit of the electronic device in its current movement state, the first movement parameter value being associated with the current movement state of the image capture unit; determining a first capturing frame rate corresponding to the first movement parameter value based on a correspondence between movement parameter values and capturing frame rates; and controlling the image capture unit to capture an image at the first capturing frame rate.

First claim

What is claimed is:

1 . An information processing method, comprising:
detecting a first movement parameter value of an image capture unit of an electronic device in its current movement state, the first movement parameter value being associated with the current movement state of the image capture unit; determining a first capturing frame rate corresponding to the first movement parameter value based on a correspondence between movement parameter values and capturing frame rates; and controlling the image capture unit to capture an image at the first capturing frame rate.

2 . The method of claim 1 , further comprising, subsequent to said controlling the image capture unit to capture an image at the first capturing frame rate:
detecting whether the image captured by the image capture unit contains a human face image when no image is displayed on a display unit of the electronic device; and controlling the display unit to display an image when the image captured by the image capture unit contains a human face image.

3 . The method of claim 2 , wherein said controlling the display unit to display an image when the image captured by the image capture unit contains a human face image comprises:
determining whether an overlap area between a sight range of eyes in the human face image and a capturing area of the image capture unit is in a predetermined area range; and controlling the display unit to display an image when the overlap area between the sight range of the eyes in the human face image and the capturing area of the image capture unit is in the predetermined area range.

4 . The method of claim 1 , wherein said detecting the first movement parameter value of the image capture unit of the electronic device in its current movement state comprises:
detecting an ambient brightness value of the electronic device by using a light sensor of the electronic device; determining whether the ambient brightness value is greater than a predetermined brightness value; and detecting the first movement parameter value of the image capture unit of the electronic device in its current movement state when the ambient brightness value is greater than the predetermined brightness value.

5 . The method of claim 1 , wherein said detecting the first movement parameter value of the image capture unit of the electronic device in its current movement state comprises:
detecting a pressure value applied on the electronic device by using a pressure sensor of the electronic device; determining whether the pressure value is greater than a predetermined pressure value; and detecting the first movement parameter value of the image capture unit of the electronic device in its current movement state when the pressure value is greater than the predetermined pressure value.

6 . The method of claim 1 , wherein the electronic device comprises a Global Positioning System (GPS) module and an acceleration sensor and said detecting the first movement parameter value of the image capture unit of the electronic device in its current movement state comprises:
detecting a positional variation of the electronic device in a first predetermined time length by using the GPS module and detecting an acceleration force applied on the electronic device in the first predetermined time length by using the acceleration sensor; determining a movement velocity of the electronic device based on the positional variation and the acceleration force; and determining the movement velocity as the first movement parameter value.

7 . The method of claim 1 , wherein said detecting the first movement parameter value of the image capture unit of the electronic device in its current movement state comprises:
detecting times how a position of a gravity center of the electronic device has changed in a second predetermined time length; and determining the first movement parameter value based on the times of changes.

8 . An electronic device, comprising:
a first detecting module configured to detect a first movement parameter value of an image capture unit of the electronic device in its current movement state, the first movement parameter value being associated with the current movement state of the image capture unit; a determining module configured to determine a first capturing frame rate corresponding to the first movement parameter value based on a correspondence between movement parameter values and capturing frame rates; and a first controlling module configured to control the image capture unit to capture an image at the first capturing frame rate.

9 . The electronic device of claim 8 , further comprising:
a second detecting module configured to detect, after the first controlling module has controlled the image capture unit to capture an image at the first capturing frame rate, whether the image captured by the image capture unit contains a human face image when no image is displayed on a display unit of the electronic device; and a second controlling module configured to control the display unit to display an image when the image captured by the image capture unit contains a human face image.

10 . The electronic device of claim 9 , wherein the second controlling module is configured to:
determine whether an overlap area between a sight range of eyes in the human face image and a capturing area of the image capture unit is in a predetermined area range when the image captured by the image capture unit contains a human face image; and control the display unit to display an image when the overlap area between the sight range of the eyes in the human face image and the capturing area of the image capture unit is in the predetermined area range.

11 . The electronic device of claim 8 , wherein the first detecting module is configured to:
detect an ambient brightness value of the electronic device by using a light sensor of the electronic device; determine whether the ambient brightness value is greater than a predetermined brightness value; and detect the first movement parameter value of the image capture unit of the electronic device in its current movement state when the ambient brightness value is greater than the predetermined brightness value.

12 . The electronic device of claim 8 , wherein the first detecting module is configured to:
detect a pressure value applied on the electronic device by using a pressure sensor of the electronic device; determine whether the pressure value is greater than a predetermined pressure value; and detect the first movement parameter value of the image capture unit of the electronic device in its current movement state when the pressure value is greater than the predetermined pressure value.

13 . The electronic device of claim 8 , further comprising a Global Positioning System (GPS) module and an acceleration sensor, wherein the first detecting module is configured to:
detect a positional variation of the electronic device in a first predetermined time length by using the GPS module and detect an acceleration force applied on the electronic device in the first predetermined time length by using the acceleration sensor; determine a movement velocity of the electronic device based on the positional variation and the acceleration force; and determine the movement velocity as the first movement parameter value.

14 . The electronic device of claim 8 , wherein the first detecting module is configured to: detect times how a position of a gravity center of the electronic device has changed in a second predetermined time length; and
determine the first movement parameter value based on the times of chan

Assignees

• Lenovo Beijing Ltd

Inventors

• Zhao Qian

Classifications

• H04N23/667

  Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes · CPC title

• G06V40/16 Primary

  Human faces, e.g. facial parts, sketches or expressions · CPC title

• H04N23/71 Primary

  Circuitry for evaluating the brightness variation · CPC title

• H04N23/6812

  based on additional sensors, e.g. acceleration sensors · CPC title

• H04N23/611

  where the recognised objects include parts of the human body · CPC title