fix the browse_dataset for visualization of test and val (#641)

* correct the scale_factor and pad_param value in LetterResize

* correct the scale_factor and pad_param value in LetterResize

* correct the scale_factor and pad_param value in LetterResize

* tang

* update

* tang

* tang

* fix linting

* tang

* tang

* tang

* add print registers

* add print registers

* add print registers

* add print registers

* add print registers

* tang

* tang v1 finished

* tang

* print registers v1.2

* update

* tang

* update version

* update

* update

* remove exclude_prefix

* swap the val pipeline for visualization

* swap the val pipeline for visualization

* swap the val pipeline for visualization

* swap the val pipeline for visualization

* swap the val pipeline for visualization

---------

Co-authored-by: hha <1286304229@qq.com>
Co-authored-by: huanghaian <huanghaian@sensetime.com>

tools/analysis_tools/browse_dataset.py

@@ -140,6 +140,18 @@ def make_grid(imgs, names):
     return visualizer.get_image()
 
 
+def swap_pipeline_position(dataset_cfg):
+    load_ann_tfm_name = 'LoadAnnotations'
+    pipeline = dataset_cfg.get('pipeline')
+    if (pipeline is None):
+        return dataset_cfg
+    all_transform_types = [tfm['type'] for tfm in pipeline]
+    if load_ann_tfm_name in all_transform_types:
+        load_ann_tfm_index = all_transform_types.index(load_ann_tfm_name)
+        load_ann_tfm = pipeline.pop(load_ann_tfm_index)
+        pipeline.insert(1, load_ann_tfm)
+
+
 class InspectCompose(Compose):
     """Compose multiple transforms sequentially.
 
@@ -185,6 +197,8 @@ def main():
     init_default_scope(cfg.get('default_scope', 'mmyolo'))
 
     dataset_cfg = cfg.get(args.phase + '_dataloader').get('dataset')
+    if (args.phase in ['test', 'val']):
+        swap_pipeline_position(dataset_cfg)
     dataset = DATASETS.build(dataset_cfg)
     visualizer = VISUALIZERS.build(cfg.visualizer)
     visualizer.dataset_meta = dataset.metainfo