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MINTPY-SPATIAL_FILTER(1) User Commands MINTPY-SPATIAL_FILTER(1)

NAME

mintpy-spatial_filter - Spatial filtering of 2D image.

DESCRIPTION

usage: spatial_filter.py [-h]

[-f {lowpass_gaussian,highpass_gaussian,lowpass_avg,highpass_avg,sobel,roberts,canny,double_difference}]
[-p [FILTER_PAR ...]] [-o OUTFILE] file [dset ...]

Spatial filtering of 2D image.

positional arguments:

File to be filtered
optional - dataset(s) to filter (default: []).

options:

show this help message and exit
Filter type (default: lowpass_gaussian). Check Bekaert et al. (2020) for double_difference; Check scikit-image as below for the other filters:
http://scikit-image.org/docs/dev/api/skimage.filters.html
Filter parameters for filters. Default:
for low/high pass gaussian filter, default: 3.0
for low/high pass average filter, default: 5
Kernel Radius for double difference local and regional filters, default: 1 10
Output file name.

references:

Bekaert, David PS, et al. "InSAR-based detection method for mapping and monitoring slow-moving landslides in remote regions with steep and mountainous terrain: An application to Nepal." Remote Sensing of Environment 249 (2020), doi:10.1016/j.rse.2020.111983.

example:

velocity.h5
timeseries.h5 -f lowpass_avg -p 5
velocity.h5 -f lowpass_avg -p 5
velocity.h5 -f highpass_gaussian -p 3
velocity.h5 -f sobel
ifgramStack.h5 unwrapPhase
ifgramStack.h5 unwrapPhase -f lowpass_avg -p 5
ifgramStack.h5 unwrapPhase -f double_difference -p 1 10
May 2022 mintpy-spatial_filter v1.3.3