Novel Implementation of TEXT2IMAGE
Journal: International Journal of Advanced Trends in Computer Science and Engineering (IJATCSE) (Vol.12, No. 2)Publication Date: 2023-04-10
Authors : Imtiyaz Khan Mohammed Junaid Adil Mohammed Ahmed Hussain Mohammed Sahil Arman;
Page : 80-83
Keywords : Text-to-image; diffusion models; latent diffusion models; synthesis.;
Abstract
Text-to-image generation has traditionally focused on finding better modelling assumptions for training on a fixed dataset. These assumptions might involve complex architectures, auxiliary losses, or side information such as object part labels or segmentation masks supplied during training. By decomposing the image formation process into a sequential application of denoising autoencoders, diffusion models (DMs) achieve state-of-the-art synthesis results on image data and beyond. These models typically operate directly in pixel space, optimization of powerful DMs often consumes hundreds of GPU days and inference is expensive due to sequential evaluations. To enable DM training on limited computational resources while retaining their quality and flexibility, we apply them in the latent space of powerful pretrained autoencoders. Training diffusion models on such a representation allows for the first time to reach a near-optimal point between complexity reduction and detail preservation. Latent diffusion models (LDMs) achieve new state-of-the-art scores for image inpainting and class-conditional image synthesis and highly competitive performance on various tasks, including text-to-image synthesis, while significantly reducing computational requirements compared to pixel-based DMs
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Last modified: 2023-04-18 15:13:48