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The rapid progress of visual autoregressive (VAR) models has brought new opportunities for text-to-image generation, but also heightened safety concerns. Existing concept erasure techniques, primarily designed for diffusion models, fail to…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Xinhao Zhong , Yimin Zhou , Zhiqi Zhang , Junhao Li , Yi Sun , Bin Chen , Shu-Tao Xia , Xuan Wang , Ke Xu

Test-time scaling (TTS) has demonstrated remarkable success in enhancing large language models, yet its application to next-token prediction (NTP) autoregressive (AR) image generation remains largely uncharted. Existing TTS approaches for…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Harold Haodong Chen , Xianfeng Wu , Wen-Jie Shu , Rongjin Guo , Disen Lan , Harry Yang , Ying-Cong Chen

AutoRegressive (AR) models have demonstrated competitive performance in image generation, achieving results comparable to those of diffusion models. However, their token-by-token image generation mechanism remains computationally intensive…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Hongyu Wu , Xuhui Fan , Zhangkai Wu , Longbing Cao

Brain aging synthesis is a critical task with broad applications in clinical and computational neuroscience. The ability to predict the future structural evolution of a subject's brain from an earlier MRI scan provides valuable insights…

Machine Learning · Computer Science 2025-08-01 Ridvan Yesiloglu , Wei Peng , Md Tauhidul Islam , Ehsan Adeli

Autoregressive generative models are commonly used, especially for those tasks involving sequential data. They have, however, been plagued by a slew of inherent flaws due to the intrinsic characteristics of chain-style conditional modeling…

Machine Learning · Computer Science 2022-06-28 Yezhen Wang , Tong Che , Bo Li , Kaitao Song , Hengzhi Pei , Yoshua Bengio , Dongsheng Li

Speculative Decoding is a prominent technique for accelerating the autoregressive inference of large language models (LLMs) by employing a fast draft model to propose candidate token sequences and a large target model to verify them in…

Computation and Language · Computer Science 2025-12-18 Chendong Sun , Ali Mao , Lei Xu , mingmin Chen

Visual Autoregressive(VAR) models enhance generation quality but face a critical efficiency bottleneck in later stages. In this paper, we present a novel optimization framework for VAR models that fundamentally differs from prior approaches…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Jiayu Chen , Ruoyu Lin , Zihao Zheng , Jingxin Li , Maoliang Li , Guojie Luo , Xiang Chen

Visual autoregressive (VAR) models have recently emerged as an efficient paradigm for text-to-image generation. Despite their strong generative capability, existing VAR-based personalization methods remain limited to static settings,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Junhao Li , Xinhao Zhong , Yi sun , Yuxia Qiao , Bin Chen , Shu-Tao Xia , Yaowei Wang

Visual AutoRegressive (VAR) models based on next-scale prediction enable efficient hierarchical generation, yet the inference cost grows quadratically at high resolutions. We observe that the computationally intensive later scales…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Keli Liu , Zhendong Wang , Wengang Zhou , Houqiang Li

Autoregressive (AR)-Diffusion hybrid paradigms combine AR's structured semantic modeling with diffusion's high-fidelity synthesis, yet suffer from a dual speed bottleneck: the sequential AR stage and the iterative multi-step denoising of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Zhen Zou , Xiaoxiao Ma , Mingde Yao , Jie Huang , LinJiang Huang , Feng Zhao

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

Autoregressive models for 3D mesh generation suffer from a fundamental limitation: they flatten meshes into long vertex-coordinate sequences. This results in prohibitive computational costs, hindering the efficient synthesis of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Hanxiao Wang , Yuan-Chen Guo , Ying-Tian Liu , Zi-Xin Zou , Biao Zhang , Weize Quan , Ding Liang , Yan-Pei Cao , Dong-Ming Yan

This paper introduces PAG-a novel optimization and decoding approach that guides autoregressive generation of document identifiers in generative retrieval models through simultaneous decoding. To this aim, PAG constructs a set-based and…

Information Retrieval · Computer Science 2024-04-24 Hansi Zeng , Chen Luo , Hamed Zamani

Flexible image tokenizers aim to represent an image using an ordered 1D variable-length token sequence. This flexible tokenization is typically achieved through nested dropout, where a portion of trailing tokens is randomly truncated during…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Zixuan Fu , Lanqing Guo , Chong Wang , Binbin Song , Ding Liu , Bihan Wen

Visual generation is dominated by three paradigms: AutoRegressive (AR), diffusion, and Visual AutoRegressive (VAR) models. Unlike AR and diffusion, VARs operate on heterogeneous input structures across their generation steps, which creates…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Shikun Sun , Liao Qu , Huichao Zhang , Yiheng Liu , Yangyang Song , Xian Li , Xu Wang , Yi Jiang , Daniel K. Du , Xinglong Wu , Jia Jia

Deep autoregressive sequence-to-sequence models have demonstrated impressive performance across a wide variety of tasks in recent years. While common architecture classes such as recurrent, convolutional, and self-attention networks make…

Machine Learning · Computer Science 2018-11-09 Mitchell Stern , Noam Shazeer , Jakob Uszkoreit

We introduce AutoVER, an Autoregressive model for Visual Entity Recognition. Our model extends an autoregressive Multi-modal Large Language Model by employing retrieval augmented constrained generation. It mitigates low performance on…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Zilin Xiao , Ming Gong , Paola Cascante-Bonilla , Xingyao Zhang , Jie Wu , Vicente Ordonez

AutoRegressive (AR) models have made notable progress in image generation, with Masked AutoRegressive (MAR) models gaining attention for their efficient parallel decoding. However, MAR models have traditionally underperformed when compared…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Yi Xin , Le Zhuo , Qi Qin , Siqi Luo , Yuewen Cao , Bin Fu , Yangfan He , Hongsheng Li , Guangtao Zhai , Xiaohong Liu , Peng Gao

Conditional visual generation has witnessed remarkable progress with the advent of diffusion models (DMs), especially in tasks like control-to-image generation. However, challenges such as expensive computational cost, high inference…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Xiang Li , Kai Qiu , Hao Chen , Jason Kuen , Zhe Lin , Rita Singh , Bhiksha Raj

X-ray images ease the diagnosis and treatment process due to their rapid imaging speed and high resolution. However, due to the projection process of X-ray imaging, much spatial information has been lost. To accurately provide efficient…

Image and Video Processing · Electrical Eng. & Systems 2024-08-06 Lixing Tan , Shuang Song , Yaofeng He , Kangneng Zhou , Tong Lu , Ruoxiu Xiao