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Existing Multimodal Large Language Models (MLLMs) suffer from increased inference costs due to the additional vision tokens introduced by image inputs. In this work, we propose Visual Consistency Learning (ViCO), a novel training algorithm…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Long Cui , Weiyun Wang , Jie Shao , Zichen Wen , Gen Luo , Linfeng Zhang , Yanting Zhang , Yu Qiao , Wenhai Wang

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

Generative linguistic steganography (GLS) enables covert communication by embedding secret messages into the natural language generation process. In practical deployment, however, GLS is vulnerable to tokenization ambiguity: the same…

Cryptography and Security · Computer Science 2026-04-29 Yaofei Wang , Rui Wang , Weilong Pang , JiaLiang Han , Yuan Qi , Donghui Hu , Kejiang Chen

Autoregressive visual generation models typically rely on tokenizers to compress images into tokens that can be predicted sequentially. A fundamental dilemma exists in token representation: discrete tokens enable straightforward modeling…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Yuqing Wang , Zhijie Lin , Yao Teng , Yuanzhi Zhu , Shuhuai Ren , Jiashi Feng , Xihui Liu

Current language models (LMs) use a fixed, static subword tokenizer. This default choice typically results in degraded efficiency and language capabilities, especially in languages other than English. To address this issue, we challenge the…

Computation and Language · Computer Science 2025-06-12 Darius Feher , Ivan Vulić , Benjamin Minixhofer

Recent Multimodal Large Language Models (MLLMs) have demonstrated strong performance on vision-language understanding tasks, yet their inference efficiency is often hampered by the large number of visual tokens, particularly in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Jiafei Song , Fengwei Zhou , Jin Qu , Wenjin Jason Li , Tong Wu , Gengjian Xue , Zhikang Zhao , Daomin Wei , Yichao Lu , Bailin Na

One-step generators distilled from Masked Diffusion Models (MDMs) compress multiple sampling steps into a single forward pass, enabling efficient text and image synthesis. However, they suffer two key limitations: they inherit modeling bias…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Yuanzhi Zhu , Xi Wang , Stéphane Lathuilière , Vicky Kalogeiton

Inspired by the remarkable success of autoregressive models in language modeling, this paradigm has been widely adopted in visual generation. However, the sequential token-by-token decoding mechanism inherent in traditional autoregressive…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Siyang Wang , Hanting Li , Wei Li , Jie Hu , Xinghao Chen , Feng Zhao

Multimodal Large Language Models (MLLMs) have demonstrated substantial value in unified text-image understanding and reasoning, primarily by converting images into sequences of patch-level tokens that align with their architectural…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Xinliang Zhang , Lei Zhu , Hangzhou He , Shuang Zeng , Ourui Fu , Jiakui Hu , Zhengjian Yao , Yanye Lu

We show how bidirectional transformers trained for masked token prediction can be applied to neural image compression to achieve state-of-the-art results. Such models were previously used for image generation by progressivly sampling groups…

Image and Video Processing · Electrical Eng. & Systems 2023-04-18 Fabian Mentzer , Eirikur Agustsson , Michael Tschannen

Adversarial images pose a severe security threat to multimodal large language models through prompt injection. Existing defenses largely lack a principled understanding of the underlying mechanisms and struggle to balance efficiency and…

Machine Learning · Computer Science 2026-05-26 Dongpeng Zhang , Ke Ma , Yangbangyan Jiang , Gaozheng Pei , Longtao Huang , Qianqian Xu , Qingming Huang

While explicit Chain-of-Thought (CoT) equips Large Language Models (LLMs) with strong reasoning capabilities, it requires models to verbalize every intermediate step in text tokens, constraining the model thoughts to the discrete vocabulary…

Computation and Language · Computer Science 2026-02-12 Weihao Liu , Dehai Min , Lu Cheng

While chain-of-thought (CoT) reasoning enables LLMs to solve challenging reasoning tasks, the linear growth of the KV cache leads to substantial memory and inference overhead. Existing approaches such as context compression and multi-token…

Artificial Intelligence · Computer Science 2026-05-29 Xinyu Liu , Xin Liu , Bo Jin , Runsong Zhao , Pengcheng Huang , Junhao Ruan , Bei Li , Chunyang Xiao , Chenglong Wang , Tong Xiao , Jingbo Zhu

We study why continuous diffusion language models (DLMs) have lagged behind discrete diffusion approaches despite their appealing continuous generative dynamics. Under a controlled token--recovery study, we identify token rounding, the…

Computation and Language · Computer Science 2026-03-04 Junzhe Shen , Jieru Zhao , Ziwei He , Zhouhan Lin

We present a new perspective of achieving image synthesis by viewing this task as a visual token generation problem. Different from existing paradigms that directly synthesize a full image from a single input (e.g., a latent code), the new…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Yanhong Zeng , Huan Yang , Hongyang Chao , Jianbo Wang , Jianlong Fu

Advancements in language foundation models have primarily fueled the recent surge in artificial intelligence. In contrast, generative learning of non-textual modalities, especially videos, significantly trails behind language modeling. This…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Lijun Yu

Feature visualization has gained substantial popularity, particularly after the influential work by Olah et al. in 2017, which established it as a crucial tool for explainability. However, its widespread adoption has been limited due to a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Thomas Fel , Thibaut Boissin , Victor Boutin , Agustin Picard , Paul Novello , Julien Colin , Drew Linsley , Tom Rousseau , Rémi Cadène , Lore Goetschalckx , Laurent Gardes , Thomas Serre

Text-to-image (T2I) personalization allows users to guide the creative image generation process by combining their own visual concepts in natural language prompts. Recently, encoder-based techniques have emerged as a new effective approach…

Computer Vision and Pattern Recognition · Computer Science 2023-07-14 Moab Arar , Rinon Gal , Yuval Atzmon , Gal Chechik , Daniel Cohen-Or , Ariel Shamir , Amit H. Bermano

Masked image generation (MIG) has demonstrated remarkable efficiency and high-fidelity images by enabling parallel token prediction. Existing methods typically rely solely on the model itself to learn semantic dependencies among visual…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Guotao Liang , Baoquan Zhang , Zhiyuan Wen , Zihao Han , Yunming Ye

In this paper, we explore the unsupervised learning of a semantic embedding space for co-occurring sensory inputs. Specifically, we focus on the task of learning a semantic vector space for both spoken and handwritten digits using the…

Machine Learning · Computer Science 2017-12-12 Kenneth Leidal , David Harwath , James Glass