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DRONE WITH A FRONT-VIEW CAMERA WITH SEGMENTATION OF THE SKY IMAGE FOR AUTO-EXPOSURE CONTROL
DRONE WITH A FRONT-VIEW CAMERA WITH SEGMENTATION OF THE SKY IMAGE FOR AUTO-EXPOSURE CONTROL
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机译:带有前视摄像头的无人机,带有分割的天空图像,可进行自动曝光控制
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摘要
The drone comprises a camera (14), an inertial unit (46) measuring the drone angles, and an extractor module (52) delivering image data of a mobile capture area of reduced size dynamically displaced in a direction opposite to that of the variations of angle measured by the inertial unit. The module analyses the image data elements of the useful area to assign to each one a weighting coefficient representative of a probability of belonging to the sky, and defines dynamically a boundary of segmentation (F) of the useful area between sky and ground as a function of these weighting coefficients. Two distinct groups of regions of interest ROIs are defined, for the sky area and for the ground area, respectively, and the dynamic exposure control means are controlled as a function of the image data of the ROIs of one of these groups, in particular by excluding the ROIs of the sky area.
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