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In recent years, advancements in AIGC (Artificial Intelligence Generated Content) technology have significantly enhanced the capabilities of large text-to-image models. Despite these improvements, controllable image generation remains a…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Bowen Zhang , Cheng Yang , Xuanhui Liu

Three-dimensional (3D) medical images, such as Computed Tomography (CT) and Magnetic Resonance Imaging (MRI), are essential for clinical applications. However, the need for diverse and comprehensive representations is particularly…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Siwen Wang , Churan Wang , Fei Gao , Lixian Su , Fandong Zhang , Yizhou Wang , Yizhou Yu

Recently, autoregressive models have demonstrated remarkable performance in class-conditional image generation. However, the application of next-token prediction to high-resolution text-to-image generation remains largely unexplored. In…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Dengsheng Chen , Jie Hu , Tiezhu Yue , Xiaoming Wei , Enhua Wu

Autoregressive models are widely used for tasks such as image and audio generation. The sampling process of these models, however, does not allow interruptions and cannot adapt to real-time computational resources. This challenge impedes…

机器学习 · 计算机科学 2021-02-24 Yilun Xu , Yang Song , Sahaj Garg , Linyuan Gong , Rui Shu , Aditya Grover , Stefano Ermon

Scaling up autoregressive models in vision has not proven as beneficial as in large language models. In this work, we investigate this scaling problem in the context of text-to-image generation, focusing on two critical factors: whether…

计算机视觉与模式识别 · 计算机科学 2024-10-18 Lijie Fan , Tianhong Li , Siyang Qin , Yuanzhen Li , Chen Sun , Michael Rubinstein , Deqing Sun , Kaiming He , Yonglong Tian

Autoregressive language modeling (ALM) have been successfully used in self-supervised pre-training in Natural language processing (NLP). However, this paradigm has not achieved comparable results with other self-supervised approach in…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Yu Qi , Fan Yang , Yousong Zhu , Yufei Liu , Liwei Wu , Rui Zhao , Wei Li

For learned image compression, the autoregressive context model is proved effective in improving the rate-distortion (RD) performance. Because it helps remove spatial redundancies among latent representations. However, the decoding process…

图像与视频处理 · 电气工程与系统科学 2021-04-02 Dailan He , Yaoyan Zheng , Baocheng Sun , Yan Wang , Hongwei Qin

Text-guided image editing involves modifying a source image based on a language instruction and, typically, requires changes to only small local regions. However, existing approaches generate the entire target image rather than selectively…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Huimin Wu , Xiaojian Ma , Haozhe Zhao , Yanpeng Zhao , Qing Li

Recent visual autoregressive (AR) models have shown promising capabilities in text-to-image generation, operating in a manner similar to large language models. While test-time computation scaling has brought remarkable success in enabling…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Joonhyung Park , Hyeongwon Jang , Joowon Kim , Eunho Yang

Image Auto-regressive (AR) models have emerged as a powerful paradigm of visual generative models. Despite their promising performance, they suffer from slow generation speed due to the large number of sampling steps required. Although…

机器学习 · 计算机科学 2025-10-27 Enshu Liu , Qian Chen , Xuefei Ning , Shengen Yan , Guohao Dai , Zinan Lin , Yu Wang

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…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Qihang Yu , Qihao Liu , Ju He , Xinyang Zhang , Yang Liu , Liang-Chieh Chen , Xi Chen

Autoregressive (AR) models are highly effective for image generation, yet their standard maximum-likelihood estimation training lacks direct optimization for sample quality and diversity. While reinforcement learning (RL) has been used to…

机器学习 · 计算机科学 2026-03-25 Orhun Buğra Baran , Melih Kandemir , Ramazan Gokberk Cinbis

Context-augmented generation (CAG) techniques, including RAG and ICL, require the efficient combination of multiple contexts to generate responses to user queries. Directly inputting these contexts as a sequence introduces a considerable…

机器学习 · 计算机科学 2025-02-13 Xinyu Yang , Tianqi Chen , Beidi Chen

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…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Yuqing Wang , Zhijie Lin , Yao Teng , Yuanzhi Zhu , Shuhuai Ren , Jiashi Feng , Xihui Liu

Layout generation is a critical step in graphic design to achieve meaningful compositions of elements. Most previous works view it as a sequence generation problem by concatenating element attribute tokens (i.e., category, size, position).…

计算机视觉与模式识别 · 计算机科学 2024-01-30 Jieru Lin , Danqing Huang , Tiejun Zhao , Dechen Zhan , Chin-Yew Lin

AI-generated image detection has become crucial with the rapid advancement of vision-generative models. Instead of training detectors tailored to specific datasets, we study a training-free approach leveraging self-supervised models without…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Sungik Choi , Hankook Lee , Moontae Lee

As the basis of generative AI, an autoregressive model requires the generation of a new token depending on all the previously generated tokens, which brings high quality but also restricts the model to generate tokens one by one, forming a…

计算与语言 · 计算机科学 2025-07-02 Zixian Huang , Chenxu Niu , Yu Gu , Gengyang Xiao , Xinwei Huang , Gong Cheng

Classifier-free guidance (CFG) has become a widely adopted and practical approach for enhancing generation quality and improving condition alignment. Recent studies have explored guidance mechanisms for unconditional generation, yet these…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Chaoyang Wang , Tianmeng Yang , Jingdong Wang , Yunhai Tong

Latent-based image generative models, such as Latent Diffusion Models (LDMs) and Mask Image Models (MIMs), have achieved notable success in image generation tasks. These models typically leverage reconstructive autoencoders like VQGAN or…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Yongxin Zhu , Bocheng Li , Hang Zhang , Xin Li , Linli Xu , Lidong Bing

Recent advances in large language models (LLMs) have spurred interests in encoding images as discrete tokens and leveraging autoregressive (AR) frameworks for visual generation. However, the quantization process in AR-based visual…

计算机视觉与模式识别 · 计算机科学 2025-07-23 Peng Zheng , Junke Wang , Yi Chang , Yizhou Yu , Rui Ma , Zuxuan Wu