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Recent advances in autoregressive (AR) models with continuous tokens for image generation show promising results by eliminating the need for discrete tokenization. However, these models face efficiency challenges due to their sequential…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Zhihang Yuan , Yuzhang Shang , Hanling Zhang , Tongcheng Fang , Rui Xie , Bingxin Xu , Yan Yan , Shengen Yan , Guohao Dai , Yu Wang

Abstract Modern image generation (IG) models have been shown to capture rich semantics valuable for image understanding (IU) tasks. However, the potential of IU models to improve IG performance remains uncharted. We address this issue using…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Luting Wang , Yang Zhao , Zijian Zhang , Jiashi Feng , Si Liu , Bingyi Kang

Region-adaptive normalization (RAN) methods have been widely used in the generative adversarial network (GAN)-based image-to-image translation technique. However, since these approaches need a mask image to infer the pixel-wise affine…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Yoon-Jae Yeo , Min-Cheol Sagong , Seung Park , Sung-Jea Ko , Yong-Goo Shin

Low-rank adaptation (LoRA) is widely used for parameter-efficient fine-tuning, but its standard all-token, all-head design ignores the heterogeneous structure of vision language model (VLM) inputs. We introduce \emph{Image-LoRA}, a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Tiange Luo , Lajanugen Logeswaran , Jaekyeom Kim , Justin Johnson , Honglak Lee

Despite the promising progress of recent autoregressive models in text-to-image (T2I) generation, their ability to handle multi-attribute and ambiguous prompts remains limited. To address these limitations, existing works have applied…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Yaqi Li , Peng Chen , Mingyang Han , Pi Bu , Haoxiang Shi , Runzhou Zhao , Yang Yao , Xuan Zhang , Jun Song , Bo Zheng

Autoregressive models, built based on the Next Token Prediction (NTP) paradigm, show great potential in developing a unified framework that integrates both language and vision tasks. Pioneering works introduce NTP to autoregressive visual…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Yatian Pang , Peng Jin , Shuo Yang , Bin Lin , Bin Zhu , Zhenyu Tang , Liuhan Chen , Francis E. H. Tay , Ser-Nam Lim , Harry Yang , Li Yuan

Visual tokenization via auto-encoding empowers state-of-the-art image and video generative models by compressing pixels into a latent space. Although scaling Transformer-based generators has been central to recent advances, the tokenizer…

Computer Vision and Pattern Recognition · Computer Science 2025-01-17 Philippe Hansen-Estruch , David Yan , Ching-Yao Chung , Orr Zohar , Jialiang Wang , Tingbo Hou , Tao Xu , Sriram Vishwanath , Peter Vajda , Xinlei Chen

Image tokenization plays a critical role in reducing the computational demands of modeling high-resolution images, significantly improving the efficiency of image and multimodal understanding and generation. Recent advances in 1D latent…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Ze Wang , Hao Chen , Benran Hu , Jiang Liu , Ximeng Sun , Jialian Wu , Yusheng Su , Xiaodong Yu , Emad Barsoum , Zicheng Liu

Recent advances in text-to-image generative models have enabled numerous practical applications, including subject-driven generation, which fine-tunes pretrained models to capture subject semantics from only a few examples. While…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Jiwoo Chung , Sangeek Hyun , Hyunjun Kim , Eunseo Koh , MinKyu Lee , Jae-Pil Heo

We present the Pathways Autoregressive Text-to-Image (Parti) model, which generates high-fidelity photorealistic images and supports content-rich synthesis involving complex compositions and world knowledge. Parti treats text-to-image…

Text-guided image editing is an essential task that enables users to modify images through natural language descriptions. Recent advances in diffusion models and rectified flows have significantly improved editing quality, primarily relying…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Yufei Wang , Lanqing Guo , Zhihao Li , Jiaxing Huang , Pichao Wang , Bihan Wen , Jian Wang

Reducing token count is crucial for efficient training and inference of latent diffusion models, especially at high resolution. A common strategy is to build high-compression image tokenizers with more channels per token. However, when…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Xin Cai , Zhiyuan You , Zhoutong Zhang , Tianfan Xue

Recently, visual-language learning (VLL) has shown great potential in enhancing visual-based person re-identification (ReID). Existing VLL-based ReID methods typically focus on image-text feature alignment at the whole-body level, while…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Yin Lin , Yehansen Chen , Baocai Yin , Jinshui Hu , Bing Yin , Cong Liu , Zengfu Wang

In the current research landscape, multimodal autoregressive (AR) models have shown exceptional capabilities across various domains, including visual understanding and generation. However, complex tasks such as style-aligned text-to-image…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Yi Wu , Lingting Zhu , Shengju Qian , Lei Liu , Wandi Qiao , Lequan Yu , Bin Li

Non-autoregressive generative transformers recently demonstrated impressive image generation performance, and orders of magnitude faster sampling than their autoregressive counterparts. However, optimal parallel sampling from the true joint…

Computer Vision and Pattern Recognition · Computer Science 2022-09-12 José Lezama , Huiwen Chang , Lu Jiang , Irfan Essa

Video Variational Autoencoder (VAE) enables latent video generative modeling by mapping the visual world into compact spatiotemporal latent spaces, improving training efficiency and stability. While existing video VAEs achieve commendable…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Yian Zhao , Feng Wang , Qiushan Guo , Chang Liu , Xiangyang Ji , Jian Zhang , Jie Chen

Visual Autoregressive (VAR) modeling inefficiently applies a fixed computational depth to each position when generating high-resolution images. While existing methods accelerate inference by pruning tokens using frequency maps, their binary…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Chunliang Li , Tianze Cao , Sanyuan Zhao

Reinforcement learning has recently been explored to improve text-to-image generation, yet applying existing GRPO algorithms to autoregressive (AR) image models remains challenging. The instability of the training process easily disrupts…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Xiaoxiao Ma , Haibo Qiu , Guohui Zhang , Zhixiong Zeng , Siqi Yang , Lin Ma , Feng Zhao

Visual Autoregressive (VAR) models have emerged as a powerful paradigm for image synthesis by performing hierarchical next-scale prediction. However, VAR models are inherently prone to cascading error propagation, where subtle coarse-scale…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Ligong Bi , Tao Huang , Jianyuan Guo , Chang Xu

Deep generative models provide powerful tools for distributions over complicated manifolds, such as those of natural images. But many of these methods, including generative adversarial networks (GANs), can be difficult to train, in part…

Machine Learning · Statistics 2017-11-08 Akash Srivastava , Lazar Valkov , Chris Russell , Michael U. Gutmann , Charles Sutton