CNET

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 前      examples        推理结果校验/人脸检测及识别/车牌检测及识别
 后      
 处      c-netend        网络后处理模块：支持目标检测/人脸识别及车牌识别
 理      c-image         图像加载及保存，结果绘制，输入预处理
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 神      c-network       神经网络组织及推理
 经      nn-case         模型转换工具
 网      cilibration     量化评估工具
 络      ncnn            模型优化/量化支撑/模型源
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 基      c-utils         基础工具，包括容器，分配器，线程池等
 础      c-benchmark     性能评估，无外部依赖，可在MCU执行
 模      c-tester        单元测试支持，无外部依赖，可在MCU执行
 块      c-tensor        张量计算支持，基础操作及内存管理
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    /// convolution
    convolution_operation_type,
    /// pooling
    pooling_operation_type,
    /// padding
    padding_operation_type,
    /// crop
    crop_operation_type,
    /// inner product
    inner_product_operation_type,
    /// activation
    activation_operation_type,
    /// batch norm
    batch_norm_operation_type,
    /// slice
    slice_operation_type,
    /// concat
    concat_operation_type,
    /// reshape
    reshape_operation_type,
    /// sigmoid
    sigmoid_operation_type,
    /// softmax
    softmax_operation_type,
    /// permute
    permute_operation_type,
    /// unary
    unary_operation_type,
    /// binary
    binary_operation_type,
    /// upsample
    upsample_operation_type,
    /// prelu
    prelu_operation_type,
    /// memory data
    memory_data_operation_type,
    /// shuffle_channel
    shuffle_channel_operation_type,

    /// bnll
    bnll_activate_type,
    /// clip
    clip_activate_type,
    /// elu
    elu_activate_type,
    /// exp
    exp_activate_type,
    /// hard sigmoid
    hard_sigmoid_activate_type,
    /// hard swish
    hard_swish_activate_type,
    /// log
    log_activate_type,
    /// power
    power_activate_type,
    /// relu
    relu_activate_type,
    /// selu
    selu_activate_type,
    /// hard swish
    swish_activate_type,
    /// threshold
    threshold_activate_type,