2018
DOI: 10.5194/isprs-archives-xlii-4-433-2018
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Operational Near Real Time Rice Area Mapping Using Multi-Temporal Sentinel-1 Sar Observations

Abstract: <p><strong>Abstract.</strong> Spatio-temporal crop phenological information helps in understanding trends in food supply, planning of seed/fertilizer inputs, etc. in a region. Rice is one of the major food sources for many regions of the world especially in monsoon Asia and accounts for more than 11<span class="thinspace"></span>% of the global cropland. Accurate, on-time and early information on spatial distribution of rice would be useful for stakeholders (cultivators, fertilize… Show more

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Cited by 14 publications
(14 citation statements)
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“…Due to the seasonal dynamics of growth stages, time series of SAR datasets are required to detect the unique pattern of rice fields. Previous studies have used different Sentinel-1 time series intervals, ranging from 1-3 months [22], to six months or one rice season [10,21]. These short-term datasets cannot capture rice growth patterns, especially for rice fields with double crops.…”
Section: Establishing Time Series Datasets: Intervals and Filteringmentioning
confidence: 99%
See 3 more Smart Citations
“…Due to the seasonal dynamics of growth stages, time series of SAR datasets are required to detect the unique pattern of rice fields. Previous studies have used different Sentinel-1 time series intervals, ranging from 1-3 months [22], to six months or one rice season [10,21]. These short-term datasets cannot capture rice growth patterns, especially for rice fields with double crops.…”
Section: Establishing Time Series Datasets: Intervals and Filteringmentioning
confidence: 99%
“…Various researchers have attempted to establish a Sentinel-1 time series database for rice field identification. Layer stacks of time series based on acquisition date is more commonly used, such as [10,21,22]. Another approach is to use temporal metrics, including the 50th percentile and the standard deviation of VH polarization time series, and the 10th percentile of VV polarized data [19].…”
Section: Establishing Time Series Datasets: Intervals and Filteringmentioning
confidence: 99%
See 2 more Smart Citations
“…Continuous regional crop mapping and monitoring is essential especially in countries like India to keep a track on spatio-temporal coverage of various crops. This information can be consumed by various stakeholders like the government for the planning of various import-export activities, agri-input companies for facilitation of various fertilizers/chemicals, farmers to get the status of their crop in real-time (Mohite et al (2018)). Satellite based remote sensing sensors are being effectively used over the years for continuous crop mapping and monitoring.…”
Section: Introduction and State Of The Artmentioning
confidence: 99%