noice uses specific metadata, which looks like this:
arnold/aovs/denoise_albedo_noice/filter: "gaussian_filter"
arnold/aovs/denoise_albedo_noice/filter_width: 2
arnold/aovs/denoise_albedo_noice/lpe: 1
arnold/aovs/denoise_albedo_noice/lpe_expression: "C[DV]A"
arnold/aovs/denoise_albedo_noice/source: "denoise_albedo"
arnold/aovs/N_noice/filter: "gaussian_filter"
arnold/aovs/N_noice/filter_width: 2
arnold/aovs/N_noice/source: "N"
arnold/aovs/RGBA/filter: "gaussian_filter"
arnold/aovs/RGBA/filter_width: 2
arnold/aovs/RGBA/lpe: 1
arnold/aovs/RGBA/lpe_expression: "C.*"
arnold/aovs/RGBA/source: "RGBA"
arnold/aovs/variance/filter: "variance_filter"
arnold/aovs/variance/filter_width: 2
arnold/aovs/variance/lpe: 1
arnold/aovs/variance/lpe_expression: "C.*"
arnold/aovs/variance/source: "RGBA"
arnold/aovs/Z_noice/filter: "gaussian_filter"
arnold/aovs/Z_noice/filter_width: 2
arnold/aovs/Z_noice/source: "Z"
Rendering from Solaris does not give you that metadata, even if you use Arnold product type, or Direct USD Render (sick)
// Stephen Blair
// Arnold Renderer Support