code: def build_head(config):
      # det head
      from .det_db_head import DBHead, PFHeadLocal
      from .det_east_head import EASTHead
      from .det_sast_head import SASTHead
      from .det_pse_head import PSEHead
      from .det_fce_head import FCEHead
      from .e2e_pg_head import PGHead
      from .det_ct_head import CT_Head
  
      # rec head
      from .rec_ctc_head import CTCHead
      from .rec_att_head import AttentionHead
      from .rec_srn_head import SRNHead
      from .rec_nrtr_head import Transformer
      from .rec_sar_head import SARHead
      from .rec_aster_head import AsterHead
      from .rec_pren_head import PRENHead
      from .rec_multi_head import MultiHead
      from .rec_spin_att_head import SPINAttentionHead
      from .rec_abinet_head import ABINetHead
      from .rec_robustscanner_head import RobustScannerHead
      from .rec_visionlan_head import VLHead
      from .rec_rfl_head import RFLHead
      from .rec_can_head import CANHead
      from .rec_satrn_head import SATRNHead
  
      # cls head
      from .cls_head import ClsHead
  
      # kie head
      from .kie_sdmgr_head import SDMGRHead
  
      from .table_att_head import TableAttentionHead, SLAHead
      from .table_master_head import TableMasterHead
  
      support_dict = [
          "DBHead",
          "PSEHead",
          "FCEHead",
          "EASTHead",
          "SASTHead",
          "CTCHead",
          "ClsHead",
          "AttentionHead",
          "SRNHead",
          "PGHead",
          "Transformer",
          "TableAttentionHead",
          "SARHead",
          "AsterHead",
          "SDMGRHead",
          "PRENHead",
          "MultiHead",
          "ABINetHead",
          "TableMasterHead",
          "SPINAttentionHead",
          "VLHead",
          "SLAHead",
          "RobustScannerHead",
          "CT_Head",
          "RFLHead",
          "DRRGHead",
          "CANHead",
          "SATRNHead",
          "PFHeadLocal",
      ]
  
      if config["name"] == "DRRGHead":
          from .det_drrg_head import DRRGHead
  
          support_dict.append("DRRGHead")
  
      # table head
  
      module_name = config.pop("name")
      assert module_name in support_dict, Exception(
          "head only support {}".format(support_dict)
      )
      module_class = eval(module_name)(**config)
      return module_class
  
label_desc: Use image node_id 1 for calling a global function with example usage: build_head(config) and returns: module_class