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INWhen a text-to-image model generates an image, there isn’t just one correct result. Instead, there are countless valid possibilities, each representing a point in a vast image space that matches the prompt.
If randomness weren’t part of the process, the model would drift toward an average of all these possibilities. In image space, averaging washes out sharp edges and fine details, leading to images that look blurry and lifeless.
By introducing random noise, the model avoids this averaging trap. During denoising, it is guided toward a specific point that both aligns with the prompt and stays close to the true data distribution.
This controlled randomness produces crisper details and enables the model to create many diverse yet equally realistic interpretations of the same prompt.
C: Welch Labs
#machinelearning #deeplearning #AI #diffusion #imagemodels #generativeai #computerscience #math #mathematics #openai #imagegeneration
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