review query_learn #1
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bkj
commented
Jan 19, 2021
main.py
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| @@ -126,53 +112,61 @@ def main(args): | |||
| model = torch.nn.parallel.DistributedDataParallel(model, device_ids=[args.gpu]) | |||
| model_without_ddp = model.module | |||
| n_parameters = sum(p.numel() for p in model.parameters() if p.requires_grad) | |||
| params = [p for n, p in model_without_ddp.named_parameters() if "backbone" not in n and p.requires_grad] | |||
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@ezekielbarnett this might be wrong -- in the original they set a different learning rate for "backbone" not in n and "backbone" in n. Your version sets the same LR for both
bkj
commented
Jan 19, 2021
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| # embed query | ||
| query_fts, query_pos = self.backbone(query) | ||
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Don't you have to pool the query somehow? I didn't look closely at their backbone, but I think it returns the full feature map, not the global average pooled version which I'd think we want to use
bkj
commented
Jan 19, 2021
models/detr.py
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| src, mask = features[-1].decompose() | ||
| assert mask is not None | ||
| hs = self.transformer(self.input_proj(src), mask, self.query_embed.weight, pos[-1])[0] | ||
| #hs = self.transformer(self.input_proj(src), mask, self.query_embed.weight, pos[-1])[0] | ||
| hs = self.transformer(self.input_proj(src), mask, query_fts, pos[-1])[0] |
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Looking at this it probably makes more sense to add query_fts to self.query_embed.weight instead of just repeating query_fts. I don't 100% understand what query_embed learns, but I think that's more reasonable.
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