{
    "model_type": "pp_ocrv5_server_det",
    "mode": "large",
    "upsample_mode": "nearest",
    "upsample_align_mode": 1,
    "backbone_config": {
        "model_type": "hgnet_v2",
        "arch": "L",
        "return_idx": [0, 1, 2, 3],
        "freeze_stem_only": true,
        "freeze_at": 0,
        "freeze_norm": true,
        "lr_mult_list": [0, 0.05, 0.05, 0.05, 0.05],
        "out_features": ["stage1", "stage2", "stage3", "stage4"]
    },
    "use_lab": false,
    "use_last_conv": true,
    "class_expand": 2048,
    "class_num": 1000,
    "out_indices": [0, 1, 2, 3],
    "neck_out_channels": 256,
    "reduce_factor": 2,
    "intraclass_block_number": 4,
    "intraclass_block_config": {
        "reduce_channel": [1, 1, 0],
        "return_channel": [1, 1, 0],
        "vertical_long_to_small_conv_longratio": [[7, 1], [1, 1], [3, 0]],
        "vertical_long_to_small_conv_midratio": [[5, 1], [1, 1], [2, 0]],
        "vertical_long_to_small_conv_shortratio": [[3, 1], [1, 1], [1, 0]],
        "horizontal_small_to_long_conv_longratio": [[1, 7], [1, 1], [0, 3]],
        "horizontal_small_to_long_conv_midratio": [[1, 5], [1, 1], [0, 2]],
        "horizontal_small_to_long_conv_shortratio": [[1, 3], [1, 1], [0, 1]],
        "symmetric_conv_long_longratio": [[7, 7], [1, 1], [3, 3]],
        "symmetric_conv_long_midratio": [[5, 5], [1, 1], [2, 2]],
        "symmetric_conv_long_shortratio": [[3, 3], [1, 1], [1, 1]]
    },
    "head_in_channels": 1024,
    "scale_factor": 2,
    "scale_factor_list": [1, 2, 4, 8],
    "hidden_act": "relu",
    "kernel_list": [3, 2, 2]
}