Unverified50% confidenceFactExact time
The [CLS] token was introduced by BERT; in vision Transformers it is prepended to the sequence of patch tokens and aggregates global image semantic information through self-attention, but the aggregation process discards a large amount of spatial local information.
1
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50%
Confidence
Long-term
Relevance
10/7/2026
First Seen
Sources
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