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MaskGIT generates images by predicting many tokens at once and selecting high-confidence predictions for subsequent refinement, replacing left-to-right generation with parallel iterations.
Dhageyso hagahanAI-waa laga sheekeeyay · ~2 min
Confidence is a model score used for selection, not a guarantee that a token is correct.
MaskGIT (Masked Generative Image Transformer), from Google in 2022, rethinks how token-based image models decode. Earlier transformers such as VQGAN generate tokens autoregressively, one at a time in raster order. MaskGIT instead trains with a masked modeling objective like BERT: random subsets of image tokens are hidden and the model learns to predict them simultaneously using bidirectional attention. At generation time it starts from a masked grid and decodes over a configured number of refinement iterations; the original paper reports examples using roughly 8 to 12 steps, but the count depends on the setup rather than defining the algorithm. Each step predicts masked tokens, keeps selected high-confidence predictions, and re-masks other positions. Confidence ranks candidates for the next iteration; it does not prove a prediction is correct.
Soo saarida sawir buuxa oo ku saabsan 8 ilaa 12 tillaabo isbarbar socda halkii aad ka ahaan lahayd boqolaal saadaasha calamadaha iswada.
Rinjiyeynta gobolka waji-xidhan ee sawirka iyadoo dib loo saadaaliyay kaliya calaamadaha qarsoon ee ku xeeran
Isku-dubbaridka sawirka heerka-shuruudaha ee ImageNet isagoo leh tartan tayo leh oo wata moodallo aad u gaabis ah
U adeegida sidii laf dhabarta codeeynta ee nidaamyada qoraalka-u-muuqaalka ah sida Google MUSE ee u baahan jiil degdeg ah
MaskGIT's isbarbardhigida koodka samaynta waxay dhiirigelisay mowjad koronto-dhaliyayaal ah, oo ay ku jiraan MUSE qoraal-u-muuqaal iyo habab indho-shareerka oo muuqaal ah. Qaabka, saadaalinta calaamadaha isbarbar socda iyo hagaajinta dhowr tillaabo, wuxuu dhex fadhiyaa inta udhaxeysa GAN-ga hal-dubbada ah iyo faafin-talaabo badan, oo bixisa ganacsi-xawaaraha tayada leh ee la hagaajin karo. Filo calaamadaynta wajiga daboolan si ay uga soo muuqato koronto-dhaliyaha moodada badan iyo nidaamyada tafatirka halkaasoo rinjiyeynta iyo buuxinta shuruudaha ay yihiin kuwo dabiici ah.
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MaskGIT generates images by predicting many tokens at once and selecting high-confidence predictions for subsequent refinement, replacing left-to-right generation with parallel iterations. Confidence is a model score used for selection, not a guarantee that a token is correct.
MaskGIT waxay saadaalisaa dhammaan calaamadaha waji-xidhan isla mar ahaantaana leh dareenka labada dhinac, si ka duwan VQGAN gaabiska autoregressive-ka bidix-ilaa-midig.
MaskGIT waxay qarisaa calaamado hoose oo random ah waxayna barataa in la saadaaliyo, ujeedo qaabayn waji daboolan oo la mid ah BERT.
At each iteration, MaskGIT retains the predictions with the highest model confidence and re-masks other positions. Confidence is a ranking signal for selecting tokens, not proof that each selected token is correct.
The guide cites roughly 8 to 12 steps as an example from the original paper’s image-generation setups; the count is configuration-dependent rather than a universal requirement.
Jadwalka cosine wuxuu muujinayaa calaamado yar goor hore iyo in ka badan, isku dheelitirka tayada iyo xawaaraha celceliska.
Sii wad waxbarashada
Tilmaamayaal badan ayaa loo doortay mawduucan
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Qalfoofka-Fikirka Isbarbar-dhigga Codaynta
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