Control method for achieving low power consumption of camera and camera

A camera, low-power technology, applied in the field of camera control with low power consumption, can solve problems such as unmet image acquisition requirements, difficulty in obtaining the best posture, and inability to capture images.

Active Publication Date: 2020-09-11
HANGZHOU HIKVISION DIGITAL TECH
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The advantage of the existing low-power control scheme is that the battery life can be extended by reducing the frequency of MCU triggering high-power devices, but this also leads to unsatisfied image acquisition requirements
For example, when the trigger threshold of th

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  • Control method for achieving low power consumption of camera and camera
  • Control method for achieving low power consumption of camera and camera
  • Control method for achieving low power consumption of camera and camera

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Embodiment Construction

[0166] In order to make the purpose, technical means and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings.

[0167] In view of the fact that the power consumption of the image sensor in the lens module is related to the device process and low-light performance, when the device process has reached the minimum power consumption, the better the low-light effect, the greater the power consumption of the image sensor. The single image sensor used in the lens module in the prior art should not only meet the requirements of sufficient natural light for low-illumination effects in the daytime, but also take into account the high requirements for low-illumination effects for insufficient light at night. To continuously acquire images within 24 hours, only image sensors with good low-light effects can be selected, which makes it difficult to meet the requirements of low-power ope...

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Abstract

The invention discloses a control method for achieving low power consumption of a camera, and the camera is provided with a double-lens module, and the method comprises the steps: carrying out the statistics of the brightness of a visible light image of a current image, and controlling a first lens module to be in a working state and a second lens module to be in a dormant state when the brightness of the visible light image is greater than a switching threshold; when the brightness of the visible light image is smaller than the switching threshold value, controlling the first lens module to be in a dormant state and the second lens module to be in a working state; when the brightness of the visible light image is equal to the switching threshold value, controlling the source lens module in the working state at present to be switched to the target lens module in the dormant state at present; and triggering the target lens module to enter a working state from a dormant state after the image acquisition control parameters of the source lens module are adjusted according to a condition that a current source image from the source lens module reaches an image expectation as a target. The effect of image acquisition before and after switching is ensured, the switching is fast, and the overall power consumption of the camera is reduced.

Description

technical field [0001] The invention relates to the field of camera control, in particular to a control method for realizing low power consumption of the camera. Background technique [0002] In some areas where wired power supply is inconvenient, the camera is usually powered by a battery or solar energy plus a rechargeable battery. Due to battery cost and capacity limitations, the camera needs to be able to operate with low power consumption as a whole. [0003] see figure 1 as shown, figure 1 It is a hardware schematic diagram of existing camera control. Under the control of the main system chip (SOC) and / or microcontroller (MCU), the camera lens module outputs the image data collected by the image sensor through the lens assembly to the main system chip (SOC), so that the main system chip can perform image processing. Processing, image analysis, target detection, target analysis, data network transmission and other functions. In order to enable the camera to operate ...

Claims

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Application Information

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IPC IPC(8): H04N5/225H04N5/232H04N5/235
CPCH04N23/55H04N23/651H04N23/72H04N23/71
Inventor 黄江生徐鹏李志文
Owner HANGZHOU HIKVISION DIGITAL TECH
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