streak
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{{DavinciWiki_Glossary| | {{DavinciWiki_Glossary| | ||
| − | Streak is an image artifact from the failure of other row- and column-correlated noise clean up algorithms, such as [[thm.deplaid]] and [[destripe]], caused by boundries of hot and cold areas in [[radiance]] space. | + | Streak is an image artifact from the failure of other row- and column-correlated noise clean up algorithms, such as [[thm.deplaid]] and [[destripe]], caused by boundries of hot and cold areas in [[radiance]] space. These algorithms utilize a black-mask technique that has the possibility of failure in certain images with extreme temperature differences. |
It shows up predominantly in [[decorrelation stretch]] images as row- and column-correlated brightness variations of multiple pixel widths in emissivity images. | It shows up predominantly in [[decorrelation stretch]] images as row- and column-correlated brightness variations of multiple pixel widths in emissivity images. | ||
Revision as of 20:32, 21 April 2006
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Description Streak is an image artifact from the failure of other row- and column-correlated noise clean up algorithms, such as thm.deplaid and destripe, caused by boundries of hot and cold areas in radiance space. These algorithms utilize a black-mask technique that has the possibility of failure in certain images with extreme temperature differences. It shows up predominantly in decorrelation stretch images as row- and column-correlated brightness variations of multiple pixel widths in emissivity images. It generally occurs because the temperature masks used in these algorithms do not function perfectly.
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