Detector Cosmetics

Pixels have been grouped in different categories according to their response to illumination. Table 3 shows the criteria and the number of pixels in each category and Fig. 6 shows the detector defects.

Table 3. Detector cosmetics.

Quadrant #l

Quadrant #2

Quadrant #3

Quadrant #4

(l - 4o)

18272

16417

19134

16536

(l + 4o)

45858

3666G

5G181

43358

Cold pixels

524 (G.G5%)

633 (G.G6%)

291 (G.G3%)

225 (G.G2%)

Hot pixels

G

57 (G.GG5%)

G

11 (G.GG1%)

Dead 0 0

483 (G.G5%)

65 (G.GG6%)

527 (G.G5%)

122 (G.G1%)

Dead_65535_65 535

161 (G.G2%)

435 (G.G4%)

G

G

Other dead

6 (G.GGG6%)

14 (G.GG1%)

G

2 (G.GGG2%)

Total bad pixels

1174 (G.11%)

12G4 (G.11%)

818 (G.G8%)

36G (G.G3%)

Figure 6. Detector defects.

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