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Autoregressive video models are promising for world modeling via next-frame prediction, but they suffer from exposure bias: a mismatch between training on clean contexts and inference on self-generated frames, causing errors to compound and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Ryan Po , Eric Ryan Chan , Changan Chen , Gordon Wetzstein

Modern diffusion models encounter a fundamental trade-off between training efficiency and generation quality. While existing representation alignment methods, such as REPA, accelerate convergence through patch-wise alignment, they often…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Hesen Chen , Junyan Wang , Zhiyu Tan , Hao Li

Remote sensing change detection aims to localize and characterize scene changes between two time points and is central to applications such as environmental monitoring and disaster assessment. Meanwhile, visual autoregressive models (VARs)…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Yilmaz Korkmaz , Vishal M. Patel

Autoregressive (AR) approaches, which represent images as sequences of discrete tokens from a finite codebook, have achieved remarkable success in image generation. However, the quantization process and the limited codebook size inevitably…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Jinyuan Hu , Jiayou Zhang , Shaobo Cui , Kun Zhang , Guangyi Chen

Distilled autoregressive (AR) video models enable efficient streaming generation but frequently misalign with human visual preferences. Existing reinforcement learning (RL) frameworks are not naturally suited to these architectures,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Songchun Zhang , Zeyue Xue , Siming Fu , Jie Huang , Xianghao Kong , Y Ma , Haoyang Huang , Nan Duan , Anyi Rao

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…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Chaoyang Wang , Tianmeng Yang , Jingdong Wang , Yunhai Tong

Sampling is ubiquitous in machine learning methodologies. Due to the growth of large datasets and model complexity, we want to learn and adapt the sampling process while training a representation. Towards achieving this grand goal, a…

Machine Learning · Computer Science 2022-12-14 Jason Xiaotian Dou , Alvin Qingkai Pan , Runxue Bao , Haiyi Harry Mao , Lei Luo , Zhi-Hong Mao

Autoregressive (AR) models have achieved state-of-the-art performance in text and image generation but suffer from slow generation due to the token-by-token process. We ask an ambitious question: can a pre-trained AR model be adapted to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Enshu Liu , Xuefei Ning , Yu Wang , Zinan Lin

We propose a multiscale approach to time series autoregression, in which linear regressors for the process in question include features of its own path that live on multiple timescales. We take these multiscale features to be the recent…

Methodology · Statistics 2024-12-17 Rafal Baranowski , Yining Chen , Piotr Fryzlewicz

Continuous visual autoregressive (AR) models have demonstrated promising performance in image generation. However, the heavy autoregressive inference burden imposes significant overhead. In Large Language Models (LLMs), speculative decoding…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Zili Wang , Robert Zhang , Kun Ding , Qi Yang , Fei Li , Shiming Xiang

Subject-driven image generation models face a fundamental trade-off between identity preservation (fidelity) and prompt adherence (editability). While online reinforcement learning (RL), specifically GPRO, offers a promising solution, we…

Machine Learning · Computer Science 2026-04-23 Ziwei Huang , Ying Shu , Hao Fang , Quanyu Long , Wenya Wang , Qiushi Guo , Tiezheng Ge , Leilei Gan

Retrieval-augmented generation (RAG) has emerged as a pivotal method for expanding the knowledge of large language models. To handle complex queries more effectively, researchers developed Adaptive-RAG (A-RAG) to enhance the generated…

Artificial Intelligence · Computer Science 2025-05-27 Jie Ou , Jinyu Guo , Shuaihong Jiang , Zhaokun Wang , Libo Qin , Shunyu Yao , Wenhong Tian

Implicit neural representation (INR) has become the standard approach for arbitrary-scale image super-resolution (ASSR). To date, no empirical study has systematically examined the effectiveness of existing methods, nor investigated the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Tayyab Nasir , Daochang Liu , Ajmal Mian

Score-based generative models can produce high quality image samples comparable to GANs, without requiring adversarial optimization. However, existing training procedures are limited to images of low resolution (typically below 32x32), and…

Machine Learning · Computer Science 2020-10-27 Yang Song , Stefano Ermon

Generative recommendation (GR) typically encodes behavioral or semantic aspects of item information into discrete tokens, leveraging the standard autoregressive (AR) generation paradigm to make predictions. However, existing methods tend to…

Information Retrieval · Computer Science 2025-07-01 Yifan Wang , Weinan Gan , Longtao Xiao , Jieming Zhu , Heng Chang , Haozhao Wang , Rui Zhang , Zhenhua Dong , Ruiming Tang , Ruixuan Li

Synthetic Aperture Radar SAR Automatic Target Recognition ATR is a key technique of remote-sensing image recognition which can be supported by deep neural networks The existing works of SAR ATR mostly focus on improving the accuracy of the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-02 Jacob Fein-Ashley , Tian Ye , Rajgopal Kannan , Viktor Prasanna , Carl Busart

Benefiting from a relatively larger aperture's angle, and in combination with a wide transmitting bandwidth, near-field synthetic aperture radar (SAR) provides a high-resolution image of a target's scattering distribution-hot spots.…

Image and Video Processing · Electrical Eng. & Systems 2022-11-29 Xu Zhan , Xiaoling Zhang , Wensi Zhang , Jun Shi , Shunjun Wei , Tianjiao Zeng

Synthetic Aperture Radar (SAR) provides all-weather, high-resolution imaging capabilities, but its unique imaging mechanism often requires expert interpretation, limiting its widespread applicability. Translating SAR images into more easily…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Xinyu Bai , Feng Xu

Convolutional neural networks (CNNs) have achieved high performance in synthetic aperture radar (SAR) automatic target recognition (ATR). However, the performance of CNNs depends heavily on a large amount of training data. The insufficiency…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Chenwei Wang , Xiaoyu Liu , Yulin Huang , Siyi Luo , Jifang Pei , Jianyu Yang , Deqing Mao

Recent advances in Large Vision-Language Models (LVLMs) have enabled training-free Fine-Grained Visual Recognition (FGVR). However, effectively exploiting LVLMs for FGVR remains challenging due to the inherent visual ambiguity of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Jingxiao Yang , DaLin He , Miao Pan , Kaixiang Yao , Ge Su , Wenqi Zhang , Yifeng Hu , Tangwei Li , Yuke Li , Xuhong Zhang