MGVQ: Could VQ-VAE Beat VAE? A Generalizable Tokenizer with Multi-group Quantization

Benchmark Model Rank Results
image-generation-on-imagenet-256x256MGVQ#78FID: 3.02Inception score: 294.1
image-reconstruction-on-imagenetMGVQ (16x16x8)#2FID: 0.49LPIPS: 0.086PSNR: 24.70SSIM: 0.787
image-reconstruction-on-imagenetMGVQ (16x16x4)#4FID: 0.64LPIPS: 0.110PSNR: 23.71SSIM: 0.755
image-reconstruction-on-ultra-high-resolution-image-reconstructionMGVQ (16x16x4)#2rFID: 1.59PSNR: 28.27SSIM: 0.844LPIPS: 0.092