LSM 510
OPERATION IN EXPERT MODE
LSM 510 META
Display and Analysis of Images
Carl Zeiss
03/06
B 45-0021 e
4-283
Quantitative Parameters
−
No. of pixels
in image ROI or scatter region
−
Area / relative area
of image ROI or scatter region
−
Mean intensities / SD
within image ROI or scatter region
−
Colocalization coefficients
−
Weighted colocalization coefficients
−
Overlap coefficient
after Manders
−
Correlation coefficients
(R and R
2
)
Colocalization coefficients
total
Ch
coloc
Ch
pixels
pixels
c
,
1
,
1
1
=
total
Ch
coloc
Ch
pixels
pixels
c
,
2
,
2
2
=
−
Relative number of colocalizing pixels in channel 1 or 2, respectively, as compared to the total
number of pixels above threshold.
−
Value range 0 – 1 (0: no colocalization, 1: all pixels colocalize)
−
All pixels above background count
irrespective of their intensity.
Weighted colocalization coefficients
∑
∑
=
i
i,total
i
i,coloc
Ch
Ch
M
1
1
1
∑
∑
=
i
i,total
i
i,coloc
Ch
Ch
M
2
2
2
−
Sum of intensities of colocalizing pixels in channel 1 or 2, respectively, as compared to the overall
sum of pixel intensities above threshold and in this channel.
−
Value range 0 – 1 (0: no colocalization, 1: all pixels colocalize)
−
Bright pixels contribute more than faint pixels
Correlation coefficient, Pearson´s correlation coefficient
∑
∑
∑
−
−
−
−
=
i
i
aver
i
aver
i
i
aver
i
aver
i
p
Ch
Ch
Ch
Ch
Ch
Ch
Ch
Ch
R
2
2
)
2
2
(
*
)
1
1
(
)
2
2
(
*
)
1
1
(
−
Provides information on the intensity distribution within the colocalizing region
−
Value range -1 to +1
-1,+1: all pixels are found on straight line in the scatter diagram
0:
pixels in scattergram distribute in a cloud with no preferential direction
Содержание LSM 510
Страница 1: ...LSM 510 LSM 510 DuoScan LSM 510 META LSM 510 META DuoScan Release 4 0 March 2006...
Страница 62: ...IMPORTANT NOTES FOR CHAPTER 4 LSM 510 DuoScan Carl Zeiss LSM 510 META Duo Scan 4 II B 45 0021 e 03 06...
Страница 442: ...Programming for LSM LSM 510 DuoScan Carl Zeiss Events LSM 510 META DuoScan 5 18 B 45 0021 e 03 06...
Страница 526: ...3D FOR LSM LSM 510 DuoScan Carl Zeiss Functions LSM 510 META DuoScan 7 60 B 45 0021 e 03 06...
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Страница 566: ...MULTIPHOTON LASER SCANNING MICROSCOPY Carl Zeiss Contents LSM 510 META NLO 9 4 B 45 0021 e 03 06...
Страница 591: ...LSM 510 and LSM 510 META Laser Scanning Microscopes Brief Operating Manual Release 4 0 March 2006...
Страница 606: ......