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相关论文: Latent Denoising Makes Good Tokenizers

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Image tokenization, the process of transforming raw image pixels into a compact low-dimensional latent representation, has proven crucial for scalable and efficient image generation. However, mainstream image tokenization methods generally…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Kaiwen Zha , Lijun Yu , Alireza Fathi , David A. Ross , Cordelia Schmid , Dina Katabi , Xiuye Gu

Visual tokenizer is a critical component for vision generation. However, the existing tokenizers often face unsatisfactory trade-off between compression ratios and reconstruction fidelity. To fill this gap, we introduce a powerful and…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Shaobin Zhuang , Yiwei Guo , Canmiao Fu , Zhipeng Huang , Zeyue Tian , Xiaohui Li , Fangyikang Wang , Ying Zhang , Chen Li , Yali Wang

Deep neural networks provide state-of-the-art performance for image denoising, where the goal is to recover a near noise-free image from a noisy observation. The underlying principle is that neural networks trained on large datasets have…

信息论 · 计算机科学 2019-04-09 Reinhard Heckel , Wen Huang , Paul Hand , Vladislav Voroninski

We introduce CompTok, a training framework for learning visual tokenizers whose tokens are enhanced for compositionality. CompTok uses a token-conditioned diffusion decoder. By employing an InfoGAN-style objective, where we train a…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Bingchen Zhao , Qiushan Guo , Ye Wang , Yixuan Huang , Zhonghua Zhai , Yu Tian

We introduce Representation Tokenizer (RepTok), a generative modeling framework that represents an image using a single continuous latent token obtained from self-supervised vision transformers. Building on a pre-trained SSL encoder, we…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Ming Gui , Johannes Schusterbauer , Timy Phan , Felix Krause , Josh Susskind , Miguel Angel Bautista , Björn Ommer

Text and faces are among the most perceptually salient and practically important patterns in visual generation, yet they remain challenging for autoregressive generators built on discrete tokenization. A central bottleneck is the tokenizer:…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Yang Yue , Fangyun Wei , Tianyu He , Jinjing Zhao , Zanlin Ni , Zeyu Liu , Jiayi Guo , Lei Shi , Yue Dong , Li Chen , Ji Li , Gao Huang , Dong Chen

Demosaicking and denoising are among the most crucial steps of modern digital camera pipelines and their joint treatment is a highly ill-posed inverse problem where at-least two-thirds of the information are missing and the rest are…

计算机视觉与模式识别 · 计算机科学 2018-07-13 Filippos Kokkinos , Stamatios Lefkimmiatis

Image tokenizers form the foundation of modern text-to-image generative models but are notoriously difficult to train. Furthermore, most existing text-to-image models rely on large-scale, high-quality private datasets, making them…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Dongwon Kim , Ju He , Qihang Yu , Chenglin Yang , Xiaohui Shen , Suha Kwak , Liang-Chieh Chen

Generalizable Image Super-Resolution aims to enhance model generalization capabilities under unknown degradations. To achieve this goal, the models are expected to focus only on image content-related features instead of overfitting…

计算机视觉与模式识别 · 计算机科学 2025-09-19 Hongjun Wang , Jiyuan Chen , Zhengwei Yin , Xuan Song , Yinqiang Zheng

A latent denoising semantic communication (SemCom) framework is proposed for robust image transmission over noisy channels. By incorporating a learnable latent denoiser into the receiver, the received signals are preprocessed to effectively…

机器学习 · 计算机科学 2025-05-19 Mingkai Xu , Yongpeng Wu , Yuxuan Shi , Xiang-Gen Xia , Wenjun Zhang , Ping Zhang

When it comes to image compression in digital cameras, denoising is traditionally performed prior to compression. However, there are applications where image noise may be necessary to demonstrate the trustworthiness of the image, such as…

图像与视频处理 · 电气工程与系统科学 2022-09-07 Saeed Ranjbar Alvar , Mateen Ulhaq , Hyomin Choi , Ivan V. Bajić

Generative autoencoders offer a promising approach for controllable text generation by leveraging their latent sentence representations. However, current models struggle to maintain coherent latent spaces required to perform meaningful text…

机器学习 · 计算机科学 2020-07-08 Tianxiao Shen , Jonas Mueller , Regina Barzilay , Tommi Jaakkola

In this work, we explore the largely unexplored direction of building a generalist image tokenizer directly on top of a frozen vision foundation model (VFM). To build this tokenizer, we utilize a frozen VFM as the encoder and introduce two…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Anlin Zheng , Qi Han , Xin Wen , Chuofan Ma , Lanxi Gong , Gang Yu , Xiangyu Zhang , Xiaojuan Qi

This paper proposes a deep learning-based denoising method for noisy low-dose computerized tomography (CT) images in the absence of paired training data. The proposed method uses a fidelity-embedded generative adversarial network (GAN) to…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Hyoung Suk Park , Jineon Baek , Sun Kyoung You , Jae Kyu Choi , Jin Keun Seo

In generative modeling, tokenization simplifies complex data into compact, structured representations, creating a more efficient, learnable space. For high-dimensional visual data, it reduces redundancy and emphasizes key features for…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Long Zhao , Sanghyun Woo , Ziyu Wan , Yandong Li , Han Zhang , Boqing Gong , Hartwig Adam , Xuhui Jia , Ting Liu

Recent advances in visual generation have emphasized the importance of Latent Generative Models (LGMs), which critically depend on effective visual tokenizers to bridge pixels and semantic representations. However, tokenizers constructed on…

In this work, we propose aligning pretrained visual encoders to serve as tokenizers for latent diffusion models in image generation. Unlike training a variational autoencoder (VAE) from scratch, which primarily emphasizes low-level details,…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Bowei Chen , Sai Bi , Hao Tan , He Zhang , Tianyuan Zhang , Zhengqi Li , Yuanjun Xiong , Jianming Zhang , Kai Zhang

In low-bitrate speech coding, end-to-end speech coding networks aim to learn compact yet expressive features and a powerful decoder in a single network. A challenging problem as such results in unwelcome complexity increase and inferior…

音频与语音处理 · 电气工程与系统科学 2023-11-16 Haici Yang , Inseon Jang , Minje Kim

VQ-based image generation typically follows a two-stage pipeline: a tokenizer encodes images into discrete tokens, and a generative model learns their dependencies for reconstruction. However, improved tokenization in the first stage does…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Bin Wu , Mengqi Huang , Weinan Jia , Zhendong Mao

We tackle a challenging blind image denoising problem, in which only single distinct noisy images are available for training a denoiser, and no information about noise is known, except for it being zero-mean, additive, and independent of…

图像与视频处理 · 电气工程与系统科学 2021-07-06 Sungmin Cha , Taeeon Park , Byeongjoon Kim , Jongduk Baek , Taesup Moon