Merge branch 'smoothing_app_enhancement' into 'develop'

Smoothing application enhancement

Closes #1961

See merge request orfeotoolbox/otb!673
13 jobs for develop in 121 minutes and 52 seconds (queued for 2 minutes and 57 seconds)
latest
Status Name Job ID Coverage
  Precheck
passed fast-build #21047

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passed legal-check #21048

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  Prepare
passed centos-xdk-prepare #21050

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passed macos-xdk-prepare #21051
macos

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passed ubuntu-xdk-prepare #21049

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passed windows-10-prepare #21052
windows10

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passed windows-8-prepare #21053
windows8

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  Build
passed centos-xdk-build #21056

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passed debian-build #21054

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passed macos-xdk-build #21057
macos

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passed ubuntu-xdk-build-doc #21055

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passed windows-10-build #21058
windows10

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passed windows-8-build #21059
windows8

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