Comments (3)
from composed-video-retrieval.
Hi @jpWang ,
Thanks for interest in our work.
To check the hallucination , we used BLIP and measure the similarity between visual embedding (middle frame given to BLIP vision encoder and the visual projection layer ) and text embedding (generated description given to BLIP text encoder and textual projection layer). We used the hallucination threshold as 0.2 after empirically checking with few examples. If similarity > 0.2 we considered it as good description whereas similarity below 0.2 has been recomputed/manually corrected.
Thanks,
from composed-video-retrieval.
Thanks for your reply!
And I am curious why BLIP is used as the filtering criterion?
For example, why not consider using the CLIP model? BLIP-2 model? etc.
from composed-video-retrieval.
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from composed-video-retrieval.