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LUCAS Cover photos 2006–2018 over the EU: 874,646 spatially distributed geo-tagged close-up photos with land cover and plant species label
Earth System Science Data ( IF 11.4 ) Pub Date : 2022-06-15 , DOI: 10.5194/essd-2022-117
Raphaël d'Andrimont, Momchil Yordanov, Laura Martinez-Sanchez, Peter Haub, Oliver Buck, Carsten Haub, Beatrice Eiselt, Marijn van der Velde

Abstract. In the European Union, a tri-annual surveyed sample collects land cover and land use information under the Land Use/Cover Area frame Survey since 2006. A total of 1,351,293 observations at 651,780 unique locations for 106 variables along with 5.4 million landscape and point photos were collected during five LUCAS surveys. In addition to these photos, a set of previously unpublished LUCAS Cover photos were also taken, i.e. following the protocol, a close-up view of the tree, crop, and plant species. These photos contain more details so that tree, crop, and plant species should be identifiable. Between 2006 and 2018, 875,661 LUCAS Cover photos that show the relevant land cover in its entirety were collected. Due to surveyor differences, the images sometimes display elements that require a two-stage deep learning anonymisation process, after which 346 photos were removed before publication. This paper summarizes the collection of LUCAS Cover photos, the filtering for mandatory privacy issues, and provides links to download the data along with the photo metadata, and cross-links to the corresponding LUCAS harmonised survey data. Moreover, after presenting the final public and open dataset consisting in 874,646 photos, potential applications relying on recent advances in geo-spatial analysis and statistical learning such as large scale biodiversity monitoring are discussed.

中文翻译:

LUCAS 封面照片 2006-2018 年在欧盟:874,646 张空间分布的地理标记特写照片,带有土地覆盖和植物物种标签

摘要。在欧盟,自 2006 年以来,在土地利用/覆盖面积框架调查下,每三年一次的调查样本收集土地覆盖和土地利用信息。在 651,780 个独特位置对 106 个变量以及 540 万张景观和单点照片共进行了 1,351,293 次观测是在五次 LUCAS 调查期间收集的。除了这些照片之外,还拍摄了一组以前未发布的 LUCAS 封面照片,即按照协议,对树木、作物和植物物种进行了特写。这些照片包含更多细节,以便可以识别树木、作物和植物物种。在 2006 年至 2018 年期间,收集了 875,661 张 LUCAS 封面照片,这些照片完整地显示了相关土地覆盖。由于测量员的差异,图像有时会显示需要两阶段深度学习匿名化过程的元素,之后,346 张照片在发布前被删除。本文总结了 LUCAS 封面照片的收集、强制性隐私问题的过滤,并提供了下载数据和照片元数据的链接,以及与相应 LUCAS 协调调查数据的交叉链接。此外,在展示了包含 874,646 张照片的最终公共和开放数据集之后,讨论了依赖于地理空间分析和统计学习的最新进展的潜在应用,例如大规模生物多样性监测。
更新日期:2022-06-15
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