0
50
100
150
200
250
0
50
100
150
200
250
F
ix
ed L
U
T
Original LUT
γ＝
1.5
γ＝
1.0
γ＝
0.5
1.
Select Brightness/Contrast from the LUT pull-down menu. An image is
displayed with a size of 400
×
400 pixels.
2.
Adjust Brightness, Contrast and
γ
value by operating the bar chart and click
OK.
Operate the bar chart referring to the LUT bar and histogram on the left of the
image.
The change of brightness and contrast using this function can be applied only to a
displayed image. The original data in the computer memory is not changed with this
function. In order to change the image data in the computer memory, Transform
Image Data must be executed.
6.9.2 Set
Window
This function displays only points that lie within the set brightness range. Points of high
brightness that are outside this range are set to 255 (white), and points of low brightness
are set to 0 (black).
1.
Select Set Window from the LUT pull-down menu.
An image is displayed as 400(400 pixels, and Threshold1 and Threshold2 are
displayed in the window as bar cursors.
2.
Adjust the Threshold1 and Threshold2 values, and click OK.
The operator will be asked “Do you transform image data? If transformed, other
image data will be created”.
TMPM5200-2
6-71
