VideoLabs Ceiling DocCam Dokumentacja Pobierz pdf (Strona 32)

Some Ken-A-Vision cameras also allow the user to adjust the White Balance using the

Applied Vision Software This is accessed by clicking on the three tools icon (on the live

image screen), then within the ‘Video’ box that appears, click on the camera icon in left

corner of box. The tab which will give the user access to the White Balance button

varies among different cameras. Note in Applied Vision 3 (coming in spring 2007) the

image will remain on screen so that changes in settings can be seen as adjustments are

made.

Note – Manual re-set is not available on all KAV cameras – It is available on the camera

drives used in the 7200UM, 7890U, 7890UM, , T-1252, T-1754, T-1952, T-1954, , 1401

KRM/KEM.

White Balance

AWB Preset WB = Tungsten

In the above example, the picture on the left is taken with the camera set to Auto White

Balance. The indoor lighting is by two ordinary incandescent (tungsten) bulbs from the

ceiling. It's not bad, but the fan should really be white. By adjusting the White Balance,

the color temperature can be adjusted for by most users.

Usually the preset White Balance setting is appropriate for most lighting situations.

Additional ways to make Color Temperature adjustments

When you save an image on a Ken-A-Vision camera, you are saving it the way the image

sensor sees it after pre-set white balancing has occurred. With single images, Ken-A-

Vision cameras default to a JPEG format, to which after the picture is taken, the

brightness, contrast and color intensity can be corrected within limits using the buttons on

the palette. Undo your change and try again, ad infinitum, in as fine an increment as you

wish, until you obtain perfect color balance. The image may also be exported to any

software that allows manipulation of the image, and even more severe brightness,

contrast, and color changes may be made.

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VideoLabs Ceiling DocCam Dokumentacja Strona 32