A fast watershed detection method for a circular mark in a helicopter blade image
A detection method and helicopter technology, applied in image analysis, image data processing, instruments, etc., can solve the problems of detection method missed detection speed and other problems, and achieve the effect of overcoming slow speed, overcoming serious missed detection, and high degree of automation
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[0032] The blade image in the embodiment of the present invention is that the binocular stereo camera that is placed on the ground vertically upwards shoots the rotor blade of the helicopter test tower and obtains; The field of view is 25°, the vertical field of view is 12.5°, the focal length of the lens is 12mm, the shooting distance is 5m, the field of view of a single camera at the measurement position is about 4.66m×2.22m, the image resolution is 2040pixel×1024pixel, The time is 40us. In this embodiment, the computer configuration is a quad-core Intel Core(TM) i5-3470CPU@3.2GHz, 8GDDR RAM.
[0033] In the present invention, the blade spraying circular logo adopts 2 rows and 12 columns, the same shape, and a black circle center mark with a diameter of 40mm. The paddle is sprayed in white, and the center distance in the row direction is 60mm, and the center distance in the column direction is 90mm. The real picture is as follows figure 1 shown.
[0034] The present invent...
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