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Masked Image Generation Models (MIGMs) have achieved great success, yet their efficiency is hampered by the multiple steps of bi-directional attention. In fact, there exists notable redundancy in their computation: when sampling discrete…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Kaiwen Zhu , Quansheng Zeng , Yuandong Pu , Shuo Cao , Xiaohui Li , Yi Xin , Qi Qin , Jiayang Li , Yu Qiao , Jinjin Gu , Yihao Liu

Masked autoregressive models (MAR) have emerged as a powerful paradigm for image and video generation, combining the flexibility of masked modeling with the expressiveness of continuous tokenizers. However, when sampling individual frames,…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Zian Li , Muhan Zhang

Conventional wisdom holds that autoregressive models for image generation are typically accompanied by vector-quantized tokens. We observe that while a discrete-valued space can facilitate representing a categorical distribution, it is not…

计算机视觉与模式识别 · 计算机科学 2024-11-04 Tianhong Li , Yonglong Tian , He Li , Mingyang Deng , Kaiming He

We introduce a novel 3D generative method, Generative 3D Reconstruction (G3DR) in ImageNet, capable of generating diverse and high-quality 3D objects from single images, addressing the limitations of existing methods. At the heart of our…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Pradyumna Reddy , Ismail Elezi , Jiankang Deng

High-dimensional generative models have many applications including image compression, multimedia generation, anomaly detection and data completion. State-of-the-art estimators for natural images are autoregressive, decomposing the joint…

机器学习 · 计算机科学 2020-06-30 Ajay Jain , Pieter Abbeel , Deepak Pathak

Recently, Vector Quantized AutoRegressive (VQ-AR) models have shown remarkable results in text-to-image synthesis by equally predicting discrete image tokens from the top left to bottom right in the latent space. Although the simple…

计算机视觉与模式识别 · 计算机科学 2023-09-21 Zhengcong Fei , Mingyuan Fan , Li Zhu , Junshi Huang

Scaling visual generation models is essential for real-world content creation, yet requires substantial training and computational expenses. Alternatively, test-time scaling has garnered growing attention due to resource efficiency and…

计算机视觉与模式识别 · 计算机科学 2025-10-13 Zhekai Chen , Ruihang Chu , Yukang Chen , Shiwei Zhang , Yujie Wei , Yingya Zhang , Xihui Liu

Recent mesh generation approaches typically tokenize triangle meshes into sequences of tokens and train autoregressive models to generate these tokens sequentially. Despite substantial progress, such token sequences inevitably reuse…

计算机视觉与模式识别 · 计算机科学 2026-01-16 Jeonghwan Kim , Yushi Lan , Armando Fortes , Yongwei Chen , Xingang Pan

Token-based masked generative models are gaining popularity for their fast inference time with parallel decoding. While recent token-based approaches achieve competitive performance to diffusion-based models, their generation performance is…

机器学习 · 计算机科学 2023-04-05 Jaewoong Lee , Sangwon Jang , Jaehyeong Jo , Jaehong Yoon , Yunji Kim , Jin-Hwa Kim , Jung-Woo Ha , Sung Ju Hwang

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…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Jinyuan Hu , Jiayou Zhang , Shaobo Cui , Kun Zhang , Guangyi Chen

In a multi-stage recommendation system, reranking plays a crucial role in modeling intra-list correlations among items. A key challenge lies in exploring optimal sequences within the combinatorial space of permutations. Recent research…

信息检索 · 计算机科学 2025-10-30 Zhijie Lin , Zhuofeng Li , Chenglei Dai , Wentian Bao , Shuai Lin , Enyun Yu , Haoxiang Zhang , Liang Zhao

Autoregressive (AR) image generation models are capable of producing high-fidelity images but often suffer from slow inference due to their inherently sequential, token-by-token decoding process. Speculative decoding, which employs a…

计算机视觉与模式识别 · 计算机科学 2025-10-30 Zhi-Kai Chen , Jun-Peng Jiang , Han-Jia Ye , De-Chuan Zhan

We introduce DC-AR, a novel masked autoregressive (AR) text-to-image generation framework that delivers superior image generation quality with exceptional computational efficiency. Due to the tokenizers' limitations, prior masked AR models…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Yecheng Wu , Junyu Chen , Zhuoyang Zhang , Enze Xie , Jincheng Yu , Junsong Chen , Jinyi Hu , Yao Lu , Song Han , Han Cai

Existing autoregressive models follow the two-stage generation paradigm that first learns a codebook in the latent space for image reconstruction and then completes the image generation autoregressively based on the learned codebook.…

计算机视觉与模式识别 · 计算机科学 2023-05-24 Mengqi Huang , Zhendong Mao , Quan Wang , Yongdong Zhang

Autoregressive (AR) models, long dominant in language generation, are increasingly applied to image synthesis but are often considered less competitive than Diffusion-based models. A primary limitation is the substantial number of image…

The convergence of generative artificial intelligence and advanced computer vision technologies introduces a groundbreaking approach to transforming textual descriptions into three-dimensional representations. This research proposes a fully…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Venkat Kumar R , Deepak Saravanan

Image Super-Resolution (ISR) has seen significant progress with the introduction of remarkable generative models. However, challenges such as the trade-off issues between fidelity and realism, as well as computational complexity, have also…

计算机视觉与模式识别 · 计算机科学 2025-02-03 Yunpeng Qu , Kun Yuan , Jinhua Hao , Kai Zhao , Qizhi Xie , Ming Sun , Chao Zhou

In medical imaging, generative models are increasingly relied upon for two distinct but equally critical tasks: reconstruction, where the goal is to restore medical imaging (usually inverse problems like inpainting or superresolution), and…

图像与视频处理 · 电气工程与系统科学 2025-07-28 Niklas Bubeck , Yundi Zhang , Suprosanna Shit , Daniel Rueckert , Jiazhen Pan

Recent advancements in artificial intelligence have created transformative capabilities in image synthesis and generation, enabling diverse research fields to innovate at revolutionary speed and spectrum. In this study, we leverage this…

计算机视觉与模式识别 · 计算机科学 2025-10-23 Juhyung Park , Rokgi Hong , Roh-Eul Yoo , Jaehyeon Koo , Se Young Chun , Seung Hong Choi , Jongho Lee

Auto-regressive frameworks for next-scale prediction of 2D images have demonstrated strong potential for producing diverse and sophisticated content by progressively refining a coarse input. However, extending this paradigm to 3D object…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Quanyuan Ruan , Kewei Shi , Jiabao Lei , Xifeng Gao , Xiaoguang Han