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(1) 保证均匀光源处无其他光源干扰(需要一个暗室环境),将摄像机调至sensor 原始分辨率,其余拍照菜单保持默认设置(如EV、Flash等); (2) Lens shading:使摄像机正对着透射光源箱发光面,并且使摄像头贴在光源箱发光面上拍摄照片; Color shading:用Diffuser盖住手机镜头,分别在D65、CWF、TL84、A四种光源下拍摄灰卡,...
A quality micro-Chart with fine patterns tests the resolution of your camera, lenses, phone, and other optical equipment. Two different µCharts are designed: µChart12233 and µChart1951. They either comply with iso 12233 or US military test protocol. They are suitable for testing close-...
An objective of the present invention is to provide an apparatus for inspecting a camera lens, which can improve the inspection reliability of a camera lens. To this end, the apparatus for inspecting a camera lens includes: a chart, on which a subject is displayed; a tray which is mounted...
MTF measurements can be compensated for measured chart quality. Chart MTF compensation can double the megapixel suitability of a test chart. Results taken with different test charts will be more consistent. An approximate lens MTF calculation (independent of chart MTF compensation) has been added....
Beyond around 160° it becomes increasingly difficult to fill the image plane with a planar test chart. We introducedSFRregas a flexible target and analysis system for testing the resolution of ultra-wide cameras. (It can also be used for long-distance and depth of field testing) ...
However, even if one performed their own MTF tests, they'd still run into problems.A typical self-run MTF chart actually depicts the net total MTF of your camera's optical system— and not the MTF of the lens alone. This net MTF represents the combined result from the lens, camera sens...
Testing a camera or lens requires precision setup and execution. Otherwise, the results are deceptive. Most photographers would rather shoot subjects other than test charts, especially with the complexity involved, but ... we want to see how well particular cameras and lenses perform. And more im...
evaluated, with particular attention paid to the level of details in the bright and areas as well as in the dark. Objective measurements are performed of images of charts taken in various conditions from 1 to 1000 lux. The charts used are the DXOMARK chart (DMC) and Dead Leaves chart. ...
It is derived from the width of the edge spread function along the direction of the moving chart in the DXOMARK AFHDR set-up. Noise 105 117 Huawei Pura 70 Ultra i Noise tests analyze various attributes of noise such as intensity, chromaticity, grain, structure on real-life images as ...