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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

We present a novel method for predicting accurate depths from monocular images with high efficiency. This optimal efficiency is achieved by exploiting wavelet decomposition, which is integrated in a fully differentiable encoder-decoder…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Michaël Ramamonjisoa , Michael Firman , Jamie Watson , Vincent Lepetit , Daniyar Turmukhambetov

We introduce UGen, a unified autoregressive multimodal model that demonstrates strong performance across text processing, image understanding, and image generation tasks simultaneously. UGen converts both texts and images into discrete…

Computation and Language · Computer Science 2025-03-28 Hongxuan Tang , Hao Liu , Xinyan Xiao

Image tokenizers are crucial for visual generative models, e.g., diffusion models (DMs) and autoregressive (AR) models, as they construct the latent representation for modeling. Increasing token length is a common approach to improve the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Xiang Li , Kai Qiu , Hao Chen , Jason Kuen , Jiuxiang Gu , Bhiksha Raj , Zhe Lin

In deep networks, the lost data details significantly degrade the performances of image segmentation. In this paper, we propose to apply Discrete Wavelet Transform (DWT) to extract the data details during feature map down-sampling, and…

Computer Vision and Pattern Recognition · Computer Science 2020-06-01 Qiufu Li , Linlin Shen

Diffusion models are rising as a powerful solution for high-fidelity image generation, which exceeds GANs in quality in many circumstances. However, their slow training and inference speed is a huge bottleneck, blocking them from being used…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Hao Phung , Quan Dao , Anh Tran

Remarkable progress has been achieved in image generation with the introduction of generative models. However, precisely controlling the content in generated images remains a challenging task due to their fundamental training objective.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Giang H. Le , Anh Q. Nguyen , Byeongkeun Kang , Yeejin Lee

Recent progress in controllable image generation and editing is largely driven by diffusion-based methods. Although diffusion models perform exceptionally well in specific tasks with tailored designs, establishing a unified model is still…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Jiteng Mu , Nuno Vasconcelos , Xiaolong Wang

Autoregressive models have achieved significant success in image generation. However, unlike the inherent hierarchical structure of image information in the spectral domain, standard autoregressive methods typically generate pixels…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Zhihao Huang , Xi Qiu , Yukuo Ma , Yifu Zhou , Junjie Chen , Hongyuan Zhang , Chi Zhang , Xuelong Li

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…

Traditional image and video compression algorithms rely on hand-crafted encoder/decoder pairs (codecs) that lack adaptability and are agnostic to the data being compressed. Here we describe the concept of generative compression, the…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Shibani Santurkar , David Budden , Nir Shavit

In the domain of image generation, latent-based generative models occupy a dominant status; however, these models rely heavily on image tokenizer. To meet modeling requirements, autoregressive models possessing the characteristics of…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Panpan Wang , Liqiang Niu , Fandong Meng , Jinan Xu , Yufeng Chen , Jie Zhou

We propose a novel approach to image generation by decomposing an image into a structured sequence, where each element in the sequence shares the same spatial resolution but differs in the number of unique tokens used, capturing different…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Yikai Wang , Zhouxia Wang , Zhonghua Wu , Qingyi Tao , Kang Liao , Chen Change Loy

The vision transformer is a model that breaks down each image into a sequence of tokens with a fixed length and processes them similarly to words in natural language processing. Although increasing the number of tokens typically results in…

Machine Learning · Computer Science 2023-07-06 Qiqi Zhou , Yichen Zhu

Existing captioning models often adopt the encoder-decoder architecture, where the decoder uses autoregressive decoding to generate captions, such that each token is generated sequentially given the preceding generated tokens. However,…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Junlong Gao , Xi Meng , Shiqi Wang , Xia Li , Shanshe Wang , Siwei Ma , Wen Gao

Masked-based autoregressive models have demonstrated promising image generation capability in continuous space. However, their potential for video generation remains under-explored. In this paper, we propose \textbf{VideoMAR}, a concise and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-19 Hu Yu , Biao Gong , Hangjie Yuan , DanDan Zheng , Weilong Chai , Jingdong Chen , Kecheng Zheng , Feng Zhao

In StyleGAN, convolution kernels are shaped by both static parameters shared across images and dynamic modulation factors $w^+\in\mathcal{W}^+$ specific to each image. Therefore, $\mathcal{W}^+$ space is often used for image inversion and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Siwei Xia , Xueqi Hu , Li Sun , Qingli Li

Multi-scale Vision Transformer (ViT) has emerged as a powerful backbone for computer vision tasks, while the self-attention computation in Transformer scales quadratically w.r.t. the input patch number. Thus, existing solutions commonly…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Ting Yao , Yingwei Pan , Yehao Li , Chong-Wah Ngo , Tao Mei

Volumetric image compression has become an urgent task to effectively transmit and store images produced in biological research and clinical practice. At present, the most commonly used volumetric image compression methods are based on…

Image and Video Processing · Electrical Eng. & Systems 2022-10-19 Dongmei Xue , Haichuan Ma , Li Li , Dong Liu , Zhiwei Xiong

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…

Machine Learning · Computer Science 2020-06-30 Ajay Jain , Pieter Abbeel , Deepak Pathak