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update Transchex model #3897

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Merged
wyli merged 2 commits into from
Mar 7, 2022
Merged

update Transchex model #3897

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b43d406
update Transchex model
ahatamiz Mar 7, 2022
0683a58
fixes test case downloading issue
wyli Mar 7, 2022
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23 changes: 13 additions & 10 deletions monai/networks/nets/transchex.py
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Original file line number Diff line number Diff line change
Expand Up @@ -185,12 +185,15 @@ class BertMixedLayer(nn.Module):

def __init__(self, config) -> None:
super().__init__()
self.att = BertAttention(config)
self.output = BertOutput(config)
self.att_x = BertAttention(config)
self.output_x = BertOutput(config)
self.att_y = BertAttention(config)
self.output_y = BertOutput(config)

def forward(self, x, y):
output = self.att(x, y)
return self.output(output, x)
output_x = self.att_x(x, y)
output_y = self.att_y(y, x)
return self.output_x(output_x, x), self.output_y(output_y, y)


class Pooler(nn.Module):
Expand Down Expand Up @@ -237,12 +240,12 @@ def __init__(
def forward(self, input_ids, token_type_ids=None, vision_feats=None, attention_mask=None):
language_features = self.embeddings(input_ids, token_type_ids)
for layer in self.vision_encoder:
hidden_state_vision = layer(vision_feats, None)[0]
vision_feats = layer(vision_feats, None)[0]
for layer in self.language_encoder:
hidden_state_language = layer(language_features, attention_mask)[0]
language_features = layer(language_features, attention_mask)[0]
for layer in self.mixed_encoder:
hidden_state_mixed = layer(hidden_state_language, hidden_state_vision)
return hidden_state_mixed
language_features, vision_feats = layer(language_features, vision_feats)
return language_features, vision_feats


class Transchex(torch.nn.Module):
Expand Down Expand Up @@ -367,9 +370,9 @@ def forward(self, input_ids, token_type_ids=None, vision_feats=None):
vision_feats = self.vision_proj(vision_feats).flatten(2).transpose(1, 2)
vision_feats = self.norm_vision_pos(vision_feats)
vision_feats = vision_feats + self.pos_embed_vis
hidden_state_mixed = self.multimodal(
hidden_state_lang, hidden_state_vis = self.multimodal(
input_ids=input_ids, token_type_ids=token_type_ids, vision_feats=vision_feats, attention_mask=attention_mask
)
pooled_features = self.pooler(hidden_state_mixed)
pooled_features = self.pooler(hidden_state_lang)
logits = self.cls_head(self.drop(pooled_features))
return logits
2 changes: 2 additions & 0 deletions tests/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -114,6 +114,8 @@ def skip_if_downloading_fails():
except (ContentTooShortError, HTTPError, ConnectionError) as e:
raise unittest.SkipTest(f"error while downloading: {e}") from e
except RuntimeError as rt_e:
if "unexpected EOF" in str(rt_e):
raise unittest.SkipTest(f"error while downloading: {rt_e}") from rt_e # incomplete download
if "network issue" in str(rt_e):
raise unittest.SkipTest(f"error while downloading: {rt_e}") from rt_e
if "gdown dependency" in str(rt_e): # no gdown installed
Expand Down