A method and apparatus for solar glare suppression based on time, positioning, lens angle, incident light intensity and color temperature
A technology of incident light intensity and sunlight, which is applied in the field of video analysis, can solve problems affecting shooting pictures, etc., and achieve the effect of good glare and glare elimination
Active Publication Date: 2022-07-12
BEIJING UNIV OF POSTS & TELECOMM
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[0009] In view of the above deficiencies, the embodiments of the present invention provide a method and device for suppressing solar glare based on time, positioning, lens angle, incident light intensity and color temperature, to solve the problem of shooting video outdoors when the lens is facing directly or sideways to the sun. When, glare spots appear in the video and affect the shooting picture
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[0036] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0037] The core idea of the present invention is: the terminal confirms that the terminal is in the applicable environment of the method by acquiring the real-time geographical position and time, and obtains the sun height from the known date, time, longitude and latitude, and altitude, and when the interfering light source is in the lens, according to the light The maximum likelihood of incident angle, light intensity and color...
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The invention discloses a method and device for suppressing sunlight glare based on time, positioning, lens angle, incident light intensity and color temperature, which are used to solve the problem of shooting videos outdoors. There is a problem with glare that affects the shooting picture. In this method, the terminal confirms that the terminal is in the applicable environment of the method by acquiring the real-time geographical position and time, and obtains the sun height from the known date, time, longitude and latitude, and altitude. When the interference light source is in the lens, according to the light incident angle, The maximum likelihood of light intensity and color temperature invokes the corresponding glare algorithm model to achieve sunlight glare suppression for outdoor shooting.
Description
technical field [0001] The invention relates to the fields of video analysis and databases, and in particular to a method and device for solar glare suppression based on time, positioning, lens angle, incident light intensity and color temperature. Background technique [0002] When shooting video outdoors, when the lens is facing or facing the sun, a very common situation is that there is glare in the video. There can be one or more spots of glare. Can be big or small. For a single relatively small glare, it is time to be commonly known as ghosting. In most cases, glare is not what users want, especially strong glare, which affects the shooting picture. Among the four basic actions of photography: push-pull panning, the panning action is the most prone to glare interference, and at the same time, the front and rear interference is inconsistent, making the user clearly feel the existence of glare. This is the source of the problem to be solved by the present invention. ...
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IPC IPC(8): H04N5/217
CPCH04N25/62
Inventor 董辰黄威彦原瑞蔚秦极
Owner BEIJING UNIV OF POSTS & TELECOMM