In recent years, computer vision and generative modeling have witnessed remarkable progress, leading to advancements in text-to-image generation. Various generative architectures, including diffusion-based models, have played a pivotal role in enhancing the quality and diversity of generated images. This article explores the principles, features, and capabilities of Kandinsky1, a powerful model with 3.3 billion parameters, and highlights its top-tier performance in measurable image generation quality.
Text-to-image generative models have evolved from autoregressive approaches with content-level artifacts to diffusion-based models like DALL-E 2 and Imagen. These diffusion models, categorized as pixel-level and latent-level, excel in image generation, surpassing GANs in fidelity and diversity. They integrate text conditions without adversarial training, demonstrated by models like GLIDE and eDiff-I, which generate low-resolution images and upscale them using super-resolution diffusion models. These advancements have transformed text-to-image generation.
Researchers from AIRI, Skoltech, and Sber AI introduce Kandinsky, introduce a novel text-to-image generative model (Kandinsky) that combines latent diffusion techniques with image prior models. Kandinsky features a modified MoVQ implementation as its image autoencoder component and separately trains the image prior model to map text embeddings to CLIP’s image embeddings. Their method provides a user-friendly demo system supporting diverse generative modes and releases the model’s source code and checkpoints.
Their approach introduces a latent diffusion architecture for text-to-image synthesis, leveraging image prior models and latent diffusion techniques. It employs an image-prior approach that incorporates diffusion and linear mappings between text and image embeddings using CLIP and XLMR text embeddings. Their model comprises three key steps: text encoding, embedding mapping (image prior), and latent diffusion. Elementwise normalization of visual embeddings based on full-dataset statistics is implemented, expediting the convergence of the diffusion process.
The Kandinsky architecture performs strongly in text-to-image generation, attaining an impressive FID score of 8.03 on the COCO-30K validation dataset at a resolution of 256×256. The Linear Prior configuration yielded the best FID score, indicating a potential linear relationship between visual and textual embeddings. Their model’s proficiency is demonstrated by training a “cat prior” on a subset of cat images, which excelled in image generation. Overall, Kandinsky competes closely with state-of-the-art models in text-to-image synthesis.
Kandinsky, a latent diffusion-based system, emerges as a state-of-the-art performer in image generation and processing tasks. Their research extensively explores image prior design choices, with the linear prior showing promise and hinting at a linear connection between visual and textual embeddings. User-friendly interfaces like a web app and Telegram bot facilitate accessibility. Future research avenues encompass leveraging advanced image encoders, enhancing UNet architectures, improving text prompts, generating higher-resolution images, and exploring features like local editing and physics-based control. Researchers underscore the need to address content concerns, suggesting real-time moderation or robust classifiers for mitigating undesirable outputs.
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The post This AI Research Unveils ‘Kandinsky1’: A New Approach in Latent Diffusion Text-to-Image Generation with Outstanding FID Scores on COCO-30K appeared first on MarkTechPost.
In recent years, computer vision and generative modeling have witnessed remarkable progress, leading to advancements in text-to-image generation. Various generative architectures, including diffusion-based models, have played a pivotal role in enhancing the quality and diversity of generated images. This article explores the principles, features, and capabilities of Kandinsky1, a powerful model with 3.3 billion parameters,
The post This AI Research Unveils ‘Kandinsky1’: A New Approach in Latent Diffusion Text-to-Image Generation with Outstanding FID Scores on COCO-30K appeared first on MarkTechPost. Read More AI Shorts, Applications, Artificial Intelligence, Computer Vision, Editors Pick, Machine Learning, Staff, Tech News, Technology, Uncategorized