... surface texture artificial intelligence exploration diagenetic process size classification cu content relation topographic feature japanese license area upstream oil & gas metals & mining preliminary study okazaki reservoir characterization nodule distribution spatial reasoning...

... by miss-setting of the threshold values used in the automatic extraction of polymetallic nodules. Second, the degree of the heterogeneity of nodule distribution was estimated quantitatively by differences of statistical characteristics between adjacent seafloor photographs. Since strategies...

..., nodule distribution and benthic fauna. Each of the areas, having dimensions of 10xl0 nautical miles, has a total relief of 160–200 m with variable undulations (30–60 m) and few elevated features (50–100 m). The sites with relatively flat topography have higher sediment thickness (50–100 m)than those...