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Related papers: XQ-GAN: An Open-source Image Tokenization Framewor…

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Visual generative and understanding models typically rely on distinct tokenizers to process images, presenting a key challenge for unifying them within a single framework. Recent studies attempt to address this by connecting the training of…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Chuofan Ma , Yi Jiang , Junfeng Wu , Jihan Yang , Xin Yu , Zehuan Yuan , Bingyue Peng , Xiaojuan Qi

Quantum machine learning and vision have come to the fore recently, with hardware advances enabling rapid advancement in the capabilities of quantum machines. Recently, quantum image generation has been explored with many potential…

Quantum Physics · Physics 2023-08-23 Daniel Silver , Tirthak Patel , William Cutler , Aditya Ranjan , Harshitta Gandhi , Devesh Tiwari

Visual autoregressive (VAR) models have recently emerged as a promising family of generative models, enabling a wide range of downstream vision tasks such as text-guided image editing. By shifting the editing paradigm from noise…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Tao Xia , Jiawei Liu , Yukun Zhang , Ting Liu , Wei Wang , Lei Zhang

Text-to-Image generation in the general domain has long been an open problem, which requires both a powerful generative model and cross-modal understanding. We propose CogView, a 4-billion-parameter Transformer with VQ-VAE tokenizer to…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Ming Ding , Zhuoyi Yang , Wenyi Hong , Wendi Zheng , Chang Zhou , Da Yin , Junyang Lin , Xu Zou , Zhou Shao , Hongxia Yang , Jie Tang

Image denoising plays a critical role in biomedical and microscopy imaging, especially when acquiring wide-field fluorescence-stained images. This task faces challenges in multiple fronts, including limitations in image acquisition…

Image and Video Processing · Electrical Eng. & Systems 2026-05-26 Qijun Yang , Yating Huang , Lintao Xiang , Hujun Yin

Visual autoregressive (VAR) modeling has marked a paradigm shift in image generation from next-token prediction to next-scale prediction. VAR predicts a set of tokens at each step from coarse to fine scale, leading to better image quality…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Renjie Wei , Songqiang Xu , Qingyu Guo , Meng Li

Quantizing images into discrete representations has been a fundamental problem in unified generative modeling. Predominant approaches learn the discrete representation either in a deterministic manner by selecting the best-matching token or…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Jiahui Zhang , Fangneng Zhan , Christian Theobalt , Shijian Lu

The style-based GAN architecture (StyleGAN) yields state-of-the-art results in data-driven unconditional generative image modeling. We expose and analyze several of its characteristic artifacts, and propose changes in both model…

Computer Vision and Pattern Recognition · Computer Science 2020-03-25 Tero Karras , Samuli Laine , Miika Aittala , Janne Hellsten , Jaakko Lehtinen , Timo Aila

Vector-quantized image modeling has shown great potential in synthesizing high-quality images. However, generating high-resolution images remains a challenging task due to the quadratic computational overhead of the self-attention process.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Shiyue Cao , Yueqin Yin , Lianghua Huang , Yu Liu , Xin Zhao , Deli Zhao , Kaiqi Huang

Recent advances in auto-regressive transformers have achieved remarkable success in generative modeling. However, text-to-3D generation remains challenging, primarily due to bottlenecks in learning discrete 3D representations. Specifically,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Zongcheng Han , Dongyan Cao , Haoran Sun , Yu Hong

Vector quantization (VQ) transforms continuous image features into discrete representations, providing compressed, tokenized inputs for generative models. However, VQ-based frameworks suffer from several issues, such as non-smooth latent…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Sicheng Yang , Xing Hu , Qiang Wu , Dawei Yang

We explore the use of Vector Quantized Variational AutoEncoder (VQ-VAE) models for large scale image generation. To this end, we scale and enhance the autoregressive priors used in VQ-VAE to generate synthetic samples of much higher…

Machine Learning · Computer Science 2019-06-04 Ali Razavi , Aaron van den Oord , Oriol Vinyals

A learning-based framework for representation of domain-specific images is proposed where joint compression and denoising can be done using a VQ-based multi-layer network. While it learns to compress the images from a training set, the…

Computer Vision and Pattern Recognition · Computer Science 2017-07-10 Sohrab Ferdowsi , Slava Voloshynovskiy , Dimche Kostadinov

In this work, we reveal the limitations of visual tokenizers and VAEs in preserving fine-grained features, and propose a benchmark to evaluate reconstruction performance for two challenging visual contents: text and face. Visual tokenizers…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Junfeng Wu , Dongliang Luo , Weizhi Zhao , Zhihao Xie , Yuanhao Wang , Junyi Li , Xudong Xie , Yuliang Liu , Xiang Bai

This paper challenges the dominance of continuous pipelines in visual generation. We systematically investigate the performance gap between discrete and continuous methods. Contrary to the belief that discrete tokenizers are intrinsically…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Qihang Yu , Qihao Liu , Ju He , Xinyang Zhang , Yang Liu , Liang-Chieh Chen , Xi Chen

VQ-based image generation typically follows a two-stage pipeline: a tokenizer encodes images into discrete tokens, and a generative model learns their dependencies for reconstruction. However, improved tokenization in the first stage does…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Bin Wu , Mengqi Huang , Weinan Jia , Zhendong Mao

In recent years, deep neural networks have been utilized in a wide variety of applications including image generation. In particular, generative adversarial networks (GANs) are able to produce highly realistic pictures as part of tasks such…

Image and Video Processing · Electrical Eng. & Systems 2020-04-20 Hyunsuk Ko , Dae Yeol Lee , Seunghyun Cho , Alan C. Bovik

Autoregressive visual generation models typically rely on tokenizers to compress images into tokens that can be predicted sequentially. A fundamental dilemma exists in token representation: discrete tokens enable straightforward modeling…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Yuqing Wang , Zhijie Lin , Yao Teng , Yuanzhi Zhu , Shuhuai Ren , Jiashi Feng , Xihui Liu

Recent advances in multimodal models highlight the pivotal role of image tokenization in high-resolution image generation. By compressing images into compact latent representations, tokenizers enable generative models to operate in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Qihang Rao , Borui Zhang , Wenzhao Zheng , Jie Zhou , Jiwen Lu

In autoregressive (AR) image generation, visual tokenizers compress images into compact discrete latent tokens, enabling efficient training of downstream autoregressive models for visual generation via next-token prediction. While scaling…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Tianwei Xiong , Jun Hao Liew , Zilong Huang , Jiashi Feng , Xihui Liu