--- a
+++ b/ViTPose/mmpose/deprecated.py
@@ -0,0 +1,199 @@
+# Copyright (c) OpenMMLab. All rights reserved.
+import warnings
+
+from .datasets.builder import DATASETS
+from .datasets.datasets.base import Kpt2dSviewRgbImgTopDownDataset
+from .models.builder import HEADS, POSENETS
+from .models.detectors import AssociativeEmbedding
+from .models.heads import (AEHigherResolutionHead, AESimpleHead,
+                           DeepposeRegressionHead, HMRMeshHead,
+                           TopdownHeatmapMSMUHead,
+                           TopdownHeatmapMultiStageHead,
+                           TopdownHeatmapSimpleHead)
+
+
+@DATASETS.register_module()
+class TopDownFreiHandDataset(Kpt2dSviewRgbImgTopDownDataset):
+    """Deprecated TopDownFreiHandDataset."""
+
+    def __init__(self, *args, **kwargs):
+        raise (ImportError(
+            'TopDownFreiHandDataset has been renamed into FreiHandDataset,'
+            'check https://github.com/open-mmlab/mmpose/pull/202 for details.')
+               )
+
+    def _get_db(self):
+        return []
+
+    def evaluate(self, cfg, preds, output_dir, *args, **kwargs):
+        return None
+
+
+@DATASETS.register_module()
+class TopDownOneHand10KDataset(Kpt2dSviewRgbImgTopDownDataset):
+    """Deprecated TopDownOneHand10KDataset."""
+
+    def __init__(self, *args, **kwargs):
+        raise (ImportError(
+            'TopDownOneHand10KDataset has been renamed into OneHand10KDataset,'
+            'check https://github.com/open-mmlab/mmpose/pull/202 for details.')
+               )
+
+    def _get_db(self):
+        return []
+
+    def evaluate(self, cfg, preds, output_dir, *args, **kwargs):
+        return None
+
+
+@DATASETS.register_module()
+class TopDownPanopticDataset(Kpt2dSviewRgbImgTopDownDataset):
+    """Deprecated TopDownPanopticDataset."""
+
+    def __init__(self, *args, **kwargs):
+        raise (ImportError(
+            'TopDownPanopticDataset has been renamed into PanopticDataset,'
+            'check https://github.com/open-mmlab/mmpose/pull/202 for details.')
+               )
+
+    def _get_db(self):
+        return []
+
+    def evaluate(self, cfg, preds, output_dir, *args, **kwargs):
+        return None
+
+
+@HEADS.register_module()
+class BottomUpHigherResolutionHead(AEHigherResolutionHead):
+    """Bottom-up head for Higher Resolution.
+
+    BottomUpHigherResolutionHead has been renamed into AEHigherResolutionHead,
+    check https://github.com/open- mmlab/mmpose/pull/656 for details.
+    """
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        warnings.warn(
+            'BottomUpHigherResolutionHead has been renamed into '
+            'AEHigherResolutionHead, check '
+            'https://github.com/open-mmlab/mmpose/pull/656 for details.',
+            DeprecationWarning)
+
+
+@HEADS.register_module()
+class BottomUpSimpleHead(AESimpleHead):
+    """Bottom-up simple head.
+
+    BottomUpSimpleHead has been renamed into AESimpleHead, check
+    https://github.com/open-mmlab/mmpose/pull/656 for details.
+    """
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        warnings.warn(
+            'BottomUpHigherResolutionHead has been renamed into '
+            'AEHigherResolutionHead, check '
+            'https://github.com/open-mmlab/mmpose/pull/656 for details',
+            DeprecationWarning)
+
+
+@HEADS.register_module()
+class TopDownSimpleHead(TopdownHeatmapSimpleHead):
+    """Top-down heatmap simple head.
+
+    TopDownSimpleHead has been renamed into TopdownHeatmapSimpleHead, check
+    https://github.com/open-mmlab/mmpose/pull/656 for details.
+    """
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        warnings.warn(
+            'TopDownSimpleHead has been renamed into '
+            'TopdownHeatmapSimpleHead, check '
+            'https://github.com/open-mmlab/mmpose/pull/656 for details.',
+            DeprecationWarning)
+
+
+@HEADS.register_module()
+class TopDownMultiStageHead(TopdownHeatmapMultiStageHead):
+    """Top-down heatmap multi-stage head.
+
+    TopDownMultiStageHead has been renamed into TopdownHeatmapMultiStageHead,
+    check https://github.com/open-mmlab/mmpose/pull/656 for details.
+    """
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        warnings.warn(
+            'TopDownMultiStageHead has been renamed into '
+            'TopdownHeatmapMultiStageHead, check '
+            'https://github.com/open-mmlab/mmpose/pull/656 for details.',
+            DeprecationWarning)
+
+
+@HEADS.register_module()
+class TopDownMSMUHead(TopdownHeatmapMSMUHead):
+    """Heads for multi-stage multi-unit heads.
+
+    TopDownMSMUHead has been renamed into TopdownHeatmapMSMUHead, check
+    https://github.com/open-mmlab/mmpose/pull/656 for details.
+    """
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        warnings.warn(
+            'TopDownMSMUHead has been renamed into '
+            'TopdownHeatmapMSMUHead, check '
+            'https://github.com/open-mmlab/mmpose/pull/656 for details.',
+            DeprecationWarning)
+
+
+@HEADS.register_module()
+class MeshHMRHead(HMRMeshHead):
+    """SMPL parameters regressor head.
+
+    MeshHMRHead has been renamed into HMRMeshHead, check
+    https://github.com/open-mmlab/mmpose/pull/656 for details.
+    """
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        warnings.warn(
+            'MeshHMRHead has been renamed into '
+            'HMRMeshHead, check '
+            'https://github.com/open-mmlab/mmpose/pull/656 for details.',
+            DeprecationWarning)
+
+
+@HEADS.register_module()
+class FcHead(DeepposeRegressionHead):
+    """FcHead (deprecated).
+
+    FcHead has been renamed into DeepposeRegressionHead, check
+    https://github.com/open-mmlab/mmpose/pull/656 for details.
+    """
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        warnings.warn(
+            'FcHead has been renamed into '
+            'DeepposeRegressionHead, check '
+            'https://github.com/open-mmlab/mmpose/pull/656 for details.',
+            DeprecationWarning)
+
+
+@POSENETS.register_module()
+class BottomUp(AssociativeEmbedding):
+    """Associative Embedding.
+
+    BottomUp has been renamed into AssociativeEmbedding, check
+    https://github.com/open-mmlab/mmpose/pull/656 for details.
+    """
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        warnings.warn(
+            'BottomUp has been renamed into '
+            'AssociativeEmbedding, check '
+            'https://github.com/open-mmlab/mmpose/pull/656 for details.',
+            DeprecationWarning)