A system, method and device for consistent exposure of continuously captured photos
A technology of exposure and photos, applied to TV system parts, color TV parts, TVs, etc., can solve problems such as discontinuous faults in brightness, discontinuous faults in photo brightness, and differences in exposure, so as to solve the problems of uneven brightness continuous effect
Active Publication Date: 2021-11-23
曲建涛
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[0002] At present, the data collected by aerial survey cameras are all continuously shot photos instead of videos. Although there is more than 50% overlap between the consecutively shot photos, the exposure of each photo is only controlled separately for the current environment when shooting, so in When the light changes or the scene changes, the exposure of the same scene in different photos will be different, and there will be discontinuous faults in the brightness between the photos, which will cause the brightness of the continuous scene to appear when the photos are stitched or textured later. continuous fault phenomenon
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[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present specification in combination with the drawings in the embodiments of the present specification. Obviously, the described embodiments are only some of the embodiments of the present specification, not all of them. Based on the embodiments in this specification, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of this specification.
[0028] It should be noted that the terms "include" and "have" in the embodiments of this specification and the drawings, as well as any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units...
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The embodiment of this specification discloses a system, method, and device for consistent exposure of photographs taken continuously. The system includes: an image sensor, a processor, an aperture drive controller, an exposure and gain controller, wherein: the image sensor is used to collect images data, to obtain the preview image data; the processor is used to identify and match the scene of the image data at the previous moment and the image data at the current moment. The brightness information of the area is used to calculate the combination of exposure parameters required at the current moment; the aperture drive controller is used to control the amount of light passing through the image sensor according to the aperture parameters; the exposure and gain controller is used to control the exposure according to the exposure time and gain parameters. Exposure time and gain of the image sensor.
Description
[0001] This specification relates to the field of unmanned aerial vehicles, and in particular, relates to a system, method and device for consistent exposure of continuously captured photos. Background technique [0002] At present, the data collected by aerial survey cameras are all continuously shot photos instead of videos. Although there is more than 50% overlap between the consecutively shot photos, the exposure of each photo is only controlled separately for the current environment when shooting, so in When the light changes or the scene changes, the exposure of the same scene in different photos will be different, and there will be discontinuous faults in the brightness between the photos, which will cause the brightness of the continuous scene to appear when the photos are stitched or textured later. continuous fault phenomenon. Contents of the invention [0003] The embodiments of the present specification provide a system, method and device for consistent exposure ...
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IPC IPC(8): H04N5/235H04N5/238H04N23/75
CPCH04N23/75H04N23/73
Inventor 夏伟韬
Owner 曲建涛