[Fix] HRNet TIPC Config Wrong Parameter Name (PaddlePaddle#2903)

* Fix qat_export

* in_channels->bb_channels

* Lossen checks in builder

deploy/slim/quant/qat_export.py

@@ -92,7 +92,7 @@ def main(args):
 
     yml_file = os.path.join(args.save_dir, 'deploy.yaml')
     with open(yml_file, 'w') as file:
-        transforms = cfg.export_config.get('transforms', [{
+        transforms = cfg.val_dataset_config.get('transforms', [{
             'type': 'Normalize'
         }])
         data = {

paddleseg/cvlibs/builder.py

@@ -271,8 +271,10 @@ def val_dataset(self) -> paddle.io.Dataset:
             'No val_dataset specified in the configuration file.'
         self.show_msg('val_dataset', dataset_cfg)
         dataset = self.build_component(dataset_cfg)
-        assert len(dataset) != 0, \
-            'The number of samples in val_dataset is 0. Please check whether the dataset is valid.'
+        if len(dataset) == 0:
+            logger.warning(
+                'The number of samples in val_dataset is 0. Please ensure this is the desired behavior.'
+            )
         return dataset
 
     @cached_property

test_tipc/configs/hrnet_w48_contrast/HRNet_W48_contrast_cityscapes_1024x512_60k.yml

@@ -24,6 +24,6 @@ model:
   backbone:
     type: HRNet_W48
     pretrained: https://bj.bcebos.com/paddleseg/dygraph/hrnet_w48_ssld.tar.gz
-  in_channels: 720
+  bb_channels: 720
   drop_prob: 0.1
   proj_dim: 720