Results of nodule detection along AUV track SO239_98-1_AUV8 (Abyss_174) during SONNE cruise SO239

Images were acquired by the DeepSurvey Camera on board GEOMAR's AUV Abyss. Nodules were delineated by the CoMoNoD algorithm [see related to references]. Result files are computed per AUV dive. Nodule detections below 5cm^2 are neglected as are detections above 707cm^2. Abundance statistics are computed per m^2 and gridded per m^2 as well. For overlapping images, max-pooling has been applied to select the values reported in the result files. Pixel values in the rendered maps correspond to the units reported in the ASCI files (median-nodule-size: cm^2, nodule-number: m^-2, percent-coverage: %, sorting, skewness and pixel-contributions are unit-free).

本数据集的图像由GEOMAR旗下自主水下航行器（Autonomous Underwater Vehicle, AUV）“阿比斯号”搭载的DeepSurvey相机采集获得。结核样本由CoMoNoD算法完成轮廓标注（详见相关参考文献）。结果文件按单次AUV下潜任务生成并计算。面积小于5cm²或大于707cm²的结核检测结果将被剔除。丰度统计以每平方米为单位开展计算，并同样以每平方米为单位完成网格化处理。针对重叠图像，采用最大池化（max-pooling）操作选取结果文件中的最终上报数值。渲染生成的地图像素值与ASCI文件中所标注的单位保持一致：结核中位尺寸单位为平方厘米，结核数量单位为每平方米，覆盖率单位为百分比；排序、偏度及像素贡献度均为无量纲量。