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Mapping Saffron Cultivation Areas Using Landsat 8-9 Time-Series and a Pixel-Based SVM Classification Method | ||
| پژوهشهای زعفران | ||
| دوره 13، شماره 2 - شماره پیاپی 25، 1404، صفحه 353-367 اصل مقاله (963.53 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22077/jsr.2026.11019.1301 | ||
| نویسندگان | ||
| میلاد جانعلی پور* 1؛ نادیا عباس زاده طهرانی1؛ محمد جعفری2 | ||
| 1پژوهشگاه هوافضا، وزارت علوم تحقیقات و فناوری، تهران، ایران. | ||
| 2سنجش از دور و سیستم اطلاعات جغرافیایی، دانشگاه آزاد اسلامی، تهران، ایران. | ||
| چکیده | ||
| Remote sensing provides an efficient and cost-effective way to estimate the cultivation area of agricultural crops. In this study, the cultivation area of saffron in Roshtkhar city was estimated using Landsat 8 and 9 time-series imagery and a pixel-based Support Vector Machine (SVM) classification method. The analysis, conducted for the Persian calendar year 1402 (2023 AD), identified approximately 450 hectares of saffron cultivation. An accuracy assessment indicated that the proposed method performed robustly. Based on test samples, classification of Landsat 8 imagery yielded an overall accuracy of approximately 92% and a user's accuracy of 95% for the saffron class. Results from Landsat 9 imagery were similarly high, with an overall accuracy of roughly 91% and a saffron class accuracy ranging from 90% to 93%. Consequently, while Landsat 8 demonstrated slightly superior performance in identifying saffron lands, both sensors proved highly effective for this application, confirming the suitability of the proposed method for distinguishing saffron from other land cover classes. | ||
| کلیدواژهها | ||
| Machine Learning؛ Precision Agriculture؛ Remote Sensing؛ Saffron | ||
| مراجع | ||
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