Equal scaling optical correcting method for inclined picture image
A scale and image technology, applied in the direction of optics, instruments, camera body, etc., can solve the problems of artificial deformation, loss, long time, etc., and achieve the effect of convenient operation, short correction time, and small loss of image shadow lines
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[0014] In the present invention, an aerial camera is used to take pictures obliquely. If the target on the ground perpendicular to the paper is imaged on the aerial camera, the image length of the perigee is greater than that of the apogee;
[0015] The imaging film is placed so that the film is placed at an angle to the vertical plane of the main optical axis of the image. A correction lens is placed between the film and the imaging paper. After the correction lens is used for imaging, if the target on the remote film is close to the lens, the image magnification at that point If the target on the perigee film is far away from the lens, if the magnification of the point is small, the scale of each point in the generated image will be the same, which becomes the corrected image.
[0016] When shooting vertically, the length of the ground target of L length on the negative film is:
[0017] l / = f H L
[0018] The light path is like figure 2 Shown.
[0019] The len...
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