Deep Learning, Artificial Intelligence, Visual Language, Foundation Models, Vlm.
triplet (x, t, y) via a text hash-table, where x is the image, t is the language description (i.e. hash value), and y is the language label (i.e. hash key). Thus, all image-text pairs mapped to the same label y are regarded as positive. Others are negative. fθ and fφ are the image encoder and text