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Write and Paint: Generative Vision-Language Models are Unified Modal Learners

ICLR 2023 · Vision-language and multimodal › Human and embodied modeling · approach: Vision-language pretraining

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add prefix language modeling (PLM) objective (ablation)DaVinci · COCO captioning, VQAv2, NLVR2, text-to-imageCIDEr / accuracy / FID: CIDEr 117.30 vs 111.17 without PLM; NLVR2 72.55 vs 53.28Helped
add prefix image modeling (PIM) objective (ablation)DaVinci · NLVR2, ImageNet linear eval, text-to-imageaccuracy / IS-FID: NLVR2 72.55 vs 69.78 without PIM; ImageNet 48.88 vs 45.54Helped
add text-to-text objective (ablation)DaVinci · MNLI, ImageNet, COCO captioningaccuracy / CIDEr: MNLI 81.76 vs 76.48 without Text2Text; CIDEr 117.30 vs 115.21Helped
suffix-painting masking instead of random masked image modeling (ablation)DaVinci image branch · COCO captioning, ImageNet, Food101, CIFAR10, text-to-imageCIDEr / accuracy / FID: CIDEr 117.3 vs 113.4 (MIM); ImageNet 48.88 vs 48.46; Food101 75.32 vs 56.95Helped
ResNet feature extraction instead of token projection (ablation)DaVinci image encoder · COCO captioning, VQA, ImageNetCIDEr / accuracy: CIDEr 117.3 vs 49.2 (token projection); VQA 69.25 vs 52.13Helped
ResNet feature extraction instead of ViT-style patch projection (ablation)DaVinci image encoder · COCO captioning, ImageNetCIDEr / accuracy: CIDEr 117.3 vs 79.5 (patch projection); ImageNet 48.88 vs 36.23Helped
dynamic masking ratio U(0,1) instead of static prefix length (0, 15%, 50%) (ablation)DaVinci · COCO captioning, VQA, ImageNet, Food101, text-to-imageCIDEr / accuracy / FID: CIDEr 117.3 vs 117.0 (PL=0), 116.53 (PL=15%), 115.53 (PL=50%); ImageNet 48.88 vs 37.69 at PL=50%Helped
DaVinci pretraining with prefix multimodal objectives vs SimVLM at 46.4M dataDaVinci vs SimVLM · GLUE/ImageNet linear eval/VQAv2 fine-tuneaverage and per-task scores: NLP avg 78.79 vs 78.79 (no gain); Vision avg 78.56 vs 74.14; VQAv2 73.89 vs 72.12Mixed
DaVinci at 647.7M data vs SimVLM at 647.7M dataDaVinci · Multi-modal Avg., zero-shot and fine-tuneaverage score: Multi-modal Avg. 62.50 vs 59.13Helped
DaVinci at 46.4M data vs FLAVADaVinci · GLUE and ImageNet linear eval averageaverage score: Compared with FLAVA, DaVinci improves an average of 2.04% (language) and 1.68% (vision)Helped

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