Techniques
Seed
Random number that determines the noise pattern. Same prompt + same seed = reproducible image.
Related terms
Negative Prompt
Tags telling the model what NOT to include. Crucial in Stable Diffusion to fix hands, blur, watermarks.
Prompt Weighting
Adjusting emphasis on specific tokens, e.g. (red dress:1.5) in Stable Diffusion.
CFG Scale
Classifier-Free Guidance — controls how strictly the model follows your prompt. Higher = stricter.
Inpainting
Masking a region of an image and regenerating just that area while keeping the rest.
Outpainting
Extending an image beyond its original borders, generating new content that matches the existing scene.
img2img
Using an input image + text prompt to guide generation, preserving composition.