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Hi,
@nihui
I try to convert buffalo model to ncnn model and try to get 512 feature but got error:
find_blob_index_by_name BatchNormalization_129 failed

Try
ex.extract("683", out0);

Process returned -1073741819 (0xC0000005) execution time : 3.297 s

Question is : how we can use https://github.com/deepinsight/insightface/tree/master/model_zoo models in ncnn C++ ?