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- Step_detection abstract "In statistics and signal processing, step detection (also known as step smoothing, step filtering, shift detection, jump detection or edge detection) is the process of finding abrupt changes (steps, jumps, shifts) in the mean level of a time series or signal. It is usually considered as a special case of the statistical method known as change detection or change point detection. Often, the step is small and the time series is corrupted by some kind of noise, and this makes the problem challenging because the step may be hidden by the noise. Therefore, statistical and/or signal processing algorithms are often required.The step detection problem occurs in multiple scientific and engineering contexts, for example in statistical process control (the control chart being the most directly related method), in exploration geophysics (where the problem is to segment a well-log recording into stratigraphic zones), in genetics (the problem of separating microarray data into similar copy-number regimes), and in biophysics (detecting state transitions in a molecular machine as recorded in time-position traces). For 2D signals, the related problem of edge detection has been studied intensively for image processing.".
- Step_detection thumbnail Step_signal.png?width=300.
- Step_detection wikiPageExternalLink software.
- Step_detection wikiPageID "31929570".
- Step_detection wikiPageRevisionID "606609272".
- Step_detection hasPhotoCollection Step_detection.
- Step_detection subject Category:Change_detection.
- Step_detection subject Category:Feature_detection.
- Step_detection subject Category:Nonlinear_filters.
- Step_detection subject Category:Signal_processing.
- Step_detection subject Category:Time_series_analysis.
- Step_detection type Artifact100021939.
- Step_detection type Device103183080.
- Step_detection type Filter103339643.
- Step_detection type Instrumentality103575240.
- Step_detection type NonlinearFilters.
- Step_detection type Object100002684.
- Step_detection type PhysicalEntity100001930.
- Step_detection type Whole100003553.
- Step_detection comment "In statistics and signal processing, step detection (also known as step smoothing, step filtering, shift detection, jump detection or edge detection) is the process of finding abrupt changes (steps, jumps, shifts) in the mean level of a time series or signal. It is usually considered as a special case of the statistical method known as change detection or change point detection.".
- Step_detection label "Step detection".
- Step_detection sameAs m.0gvrzh2.
- Step_detection sameAs Q7608015.
- Step_detection sameAs Q7608015.
- Step_detection sameAs Step_detection.
- Step_detection wasDerivedFrom Step_detection?oldid=606609272.
- Step_detection depiction Step_signal.png.
- Step_detection isPrimaryTopicOf Step_detection.
