Equation 7 · Part 1 · One Model, Many Modalities: What Multimodal Systems Actually Share

Symbol u_i

u_i

u_i

What this part means

the image embedding.

Its job in the formula

$u_i$ is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Full expressionSymbol u_iArticle meaning

Where the article explains it

with image embedding $u_i$ , text embedding $v_i$ , and a learned temperature $\tau$ .

The passage around this formula

with image embedding $u_i$ , text embedding $v_i$ , and a learned temperature $\tau$ . Radford and colleagues showed that this simple pre-training task, applied to 400 million image–text pairs collected from the internet, matched the accuracy of the original ResNet-50 on ImageNet zero-shot without using any of the 1.28…

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Learn the underlying idea

A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.

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Sources cited in the surrounding passage

These citations provide research context; check each source for the exact claim it supports.