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Image picking device and its flash control method

The technology of an image capture device and control method, which is applied in the field of image capture devices, can solve the problems of overexposure, underexposure, and the inability to actually grasp the exposure results of the subject, so as to achieve perfect imaging and avoid underexposure or overexposure Effect

Inactive Publication Date: 2008-06-11
ASIA OPTICAL CO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above method cannot actually grasp the exposure result of the subject after the flash, so overexposure or underexposure often occurs

Method used

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  • Image picking device and its flash control method
  • Image picking device and its flash control method
  • Image picking device and its flash control method

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Embodiment Construction

[0032] In order to make the purpose, features, and advantages of the present invention more obvious and understandable, the preferred embodiments are given below, and with reference to the appended figure 1 To 3, give a detailed description. The description of the present invention provides different examples to illustrate the technical features of different implementations of the present invention. Wherein, the configuration of each component in the embodiment is for the purpose of illustration, and is not intended to limit the present invention. Moreover, part of the reference numerals in the embodiments are repeated for the purpose of simplifying the description, and do not refer to the relationship between different embodiments.

[0033] The embodiment of the invention discloses an image capture device and a flash control method thereof.

[0034] The flash control method of the embodiment of the present invention uses pre-flash with two intensities, one strong and one we...

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Abstract

The invention relates to an image acquisition device and a flicker control method thereof. The flicker control method of the invention comprises the following steps: an image reference sample is acquired; a first flicker is given off and a first image is acquired; judgment is made whether the first image is overexposed; if the first image is not overexposed, a first principal flicker parameter is set according to the first image; if the first image is overexposed, a second flicker is given off and a second image is acquired, and judgment is made whether the second image is overexposed; if the second image is not overexposed, a second principal flicker parameter is set according to the second image; if the second image is overexposed, a third principal flicker parameter is set according to a reference sample of the image; an image to be shot is acquired through a flicker given off according to the first principal flicker parameter and the second principal flicker parameter or the third principal flicker parameter.

Description

technical field [0001] The present invention relates to an image capture device, in particular to an image capture device and a flash control method thereof. Background technique [0002] Due to the complexity of the shooting environment, shooting target and background light source, the digital camera often has under- or over-exposure when the flashlight is activated to take pictures, thus failing to obtain satisfactory photo results. Most of the current shooting techniques capture image reference samples before flashing, and then set the flash intensity and flash time according to the reference samples and the self-designed flash parameter calculation technology, and finally use the flash parameters obtained directly to flash Photograph. However, the above method cannot actually grasp the exposure result of the subject after the flash, so overexposure or underexposure often occurs. Contents of the invention [0003] The technical problem to be solved by the present inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/238H04N5/235G03B7/08G03B7/00G03B15/05G03B15/02H04N23/75
Inventor 谢汶宏蔡净榕赖明章
Owner ASIA OPTICAL CO INC
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