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ISOCAM Interactive Analysis User's Manual Version 5.0 - ISO - ESA

ISOCAM Interactive Analysis User's Manual Version 5.0 - ISO - ESA

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302 CHAPTER 23. X CIA REFERENCE GUIDE<br />

• View / Result / Reconstructed Raster Map: Display the reconstructed map of the<br />

raster.<br />

• View / Result / Monochromatic CVF Frames: Display one by one the averaged<br />

monochromatic frames of the CVF scan.<br />

• View / Result / All CVF Frames: Display one by one all frames of the CVF scan in<br />

order to visualize the transient effects from one CVF wheel position to another.<br />

• View / Ra-Dec-Roll Info: Display the Ra, Dec, Roll parameters of each averaged<br />

frames corresponding to each configuration of the camera. Ra, Dec, Angle, Rotation and<br />

Orientation of the reconstructed raster map are also displayed in the message window.<br />

• View / Change LUT: Adjust the color table.<br />

• Dark / None: No dark correction is performed.<br />

• Dark / User Input: A user dark frame can be given as input in order to subtract the<br />

dark current. The user must then use the following command to start the session:<br />

CIA> x_cia, indark=my_dark<br />

my dark is a 32×32 array).<br />

• Dark / Cal-G: The dark frame is extracted from the calibration database.<br />

• Dark / Model [default]: The dark frame is created from the dark model.<br />

• Deglitch / None: No deglitch correction is performed.<br />

• Deglitch / <strong>Manual</strong>: Glitches are removed interactively.<br />

• Deglitch / Particle Impact: The glitch detection is based on the analysis of cosmic<br />

particle impacts.<br />

• Deglitch / Temporal: All values higher than 3 times the (temporal) standard deviation<br />

of a pixel are considered as a glitch. Note that this method is not robust when data are<br />

not stabilized.<br />

• Deglitch / Spatial: All values higher than 3 times the (spatial) standard deviation of a<br />

pixel are considered as a glitch.<br />

• Deglitch / Temporal & Spatial: Both temporal and spatial informations are used. This<br />

method doesn’t allow to detect either strong glitches which remain for many exposures,<br />

or successive glitches hitting the same pixel within a short time interval.<br />

• Deglitch / Multiresolution Median [default]: Multiresolution information is taken<br />

into account to detect all significant small scale structures (not due to the noise). As no<br />

structure can be detected either in the first frame or in the last one, these frames are<br />

completely masked and lost. This method gives good results even when data are not well<br />

stabilized.<br />

• Transient / None: No transient correction is performed.

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