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Repairing Artifacts and Cosmetic Defects
Cosmetic repair tools are used to correct blemishes
and other artifacts in images. Use the commands below to repair the
following types of defects. In addition, you may wish to
create synthetic images and add defects in
order to evaluate your repairing techniques.
Choosing a Repair Method based on the Defect Type
The table below matches the defect type to a
command that can be used to correct it.
In addition to commands listed in the table above,
the
Combine Image Set command can be used to reject
artifacts that do not align at the same pixel locations in an
Image Set.
Cosmetic Repair Commands
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Apply Blemish Mask
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Repairs lines and rectangular regions of pixels
that are always located at the same coordinates, such as hot
columns, cold traps, and blemishes larger than 1 pixel in area.
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Apply Pixel Mask
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Repairs isolated pixels using coordinates loaded
from a file containing x,y positions of the bad pixels. Use this
for repairing pixels that always are located at the same
coordinates, such as hot or cold pixels.
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Clean Image Set
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Detects ands, optionally, repairs transient bad
points and regions which vary in position, such as cosmic ray and
ionizing radiation events, as well as poorly corrected hot
pixels.
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Cosmic Ray Filter
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Automatically detects and repairs isolated pixels
and small clusters of hot pixels as are often caused by cosmic rays
and ionizing radiation.
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Create Pixel Mask
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Used to create a pixel mask by detecting isolated
pixels that are very high or very low.
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Edit Blemish Mask
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Creates and edits a blemish mask, which is a
text-based description of blemish locations.
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Edit Pixel Mask
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Edits an existing pixel mask or creates new a
pixel mask by entering coordinates into a grid. You can also use it
to review mask coordinates by sending the
Image Cursor to mask coordinates in the mask's source
image.
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Interactive Repair
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Provides a pixel zapping tool used to repair
pixels by interactively marking them on an image.
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Star Removal
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Used to remove interfering stars or other point
sources from the image. This is typically used before doing
photometry on the image.
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Related Topics
Contents
Calibrating Images
Image Sets
Mira Pro x64 User's Guide, Copyright Ⓒ 2023 Mirametrics, Inc. All
Rights Reserved.
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