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Recent advances have explored visual token pruning to accelerate the inference of large vision-language models (LVLMs). However, existing methods often struggle to balance token importance and diversity: importance-based methods tend to…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Zhaohong Huang , Wenjing Liu , Yuxin Zhang , Fei Chao , Rongrong Ji

Ultra-fine-grained image recognition (UFGIR) is a challenging task that involves classifying images within a macro-category. While traditional FGIR deals with classifying different species, UFGIR goes beyond by classifying sub-categories…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Edwin Arkel Rios , Jansen Christopher Yuanda , Vincent Leon Ghanz , Cheng-Wei Yu , Bo-Cheng Lai , Min-Chun Hu

Nearly every recent image synthesis approach, including diffusion, masked-token prediction, and next-token prediction, uses a Transformer network architecture. Despite this common backbone, there has been no direct, compute controlled…

计算机视觉与模式识别 · 计算机科学 2024-05-27 Maciej Kilian , Varun Jampani , Luke Zettlemoyer

Image fusion methods and metrics for their evaluation have conventionally used pixel-based or low-level features. However, for many applications, the aim of image fusion is to effectively combine the semantic content of the input images.…

计算机视觉与模式识别 · 计算机科学 2021-10-14 P. R. Hill , D. R. Bull

Vision transformers have achieved significant improvements on various vision tasks but their quadratic interactions between tokens significantly reduce computational efficiency. Many pruning methods have been proposed to remove redundant…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Sifan Long , Zhen Zhao , Jimin Pi , Shengsheng Wang , Jingdong Wang

Diffusion Transformers (DiTs) are essential for video generation but suffer from significant latency due to the quadratic complexity of attention. By computing only critical tokens, sparse attention reduces computational costs and offers a…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Shuo Yang , Haocheng Xi , Yilong Zhao , Muyang Li , Jintao Zhang , Han Cai , Yujun Lin , Xiuyu Li , Chenfeng Xu , Jianfei Chen , Song Han , Kurt Keutzer , Ion Stoica

Image token removal is an efficient augmentation strategy for reducing the cost of computing image features. However, this efficient augmentation strategy has been found to adversely affect the accuracy of CLIP-based training. We…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Yifan Yang , Weiquan Huang , Yixuan Wei , Houwen Peng , Xinyang Jiang , Huiqiang Jiang , Fangyun Wei , Yin Wang , Han Hu , Lili Qiu , Yuqing Yang

Visual Language Models require substantial computational resources for inference due to the additional input tokens needed to represent visual information. However, these visual tokens often contain redundant and unimportant information,…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Mohamed Dhouib , Davide Buscaldi , Sonia Vanier , Aymen Shabou

We introduce ResGen, an efficient Residual Vector Quantization (RVQ)-based generative model for high-fidelity generation with fast sampling. RVQ improves data fidelity by increasing the number of quantization steps, referred to as depth,…

机器学习 · 计算机科学 2025-06-03 Jaehyeon Kim , Taehong Moon , Keon Lee , Jaewoong Cho

While generative modeling has become prevalent across numerous research fields, its integration into the realm of image retrieval remains largely unexplored and underjustified. In this paper, we present a novel methodology, reframing image…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Yidan Zhang , Ting Zhang , Dong Chen , Yujing Wang , Qi Chen , Xing Xie , Hao Sun , Weiwei Deng , Qi Zhang , Fan Yang , Mao Yang , Qingmin Liao , Jingdong Wang , Baining Guo

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…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Guotao Liang , Baoquan Zhang , Zhiyuan Wen , Zihao Han , Yunming Ye

Item indexing, which maps a large corpus of items into compact discrete representations, is critical for both discriminative and generative recommender systems, yet existing Vector Quantization (VQ)-based approaches struggle with the highly…

信息检索 · 计算机科学 2026-01-29 Jing Yan , Yimeng Bai , Zongyu Liu , Yahui Liu , Junwei Wang , Jingze Huang , Haoda Li , Sihao Ding , Shaohui Ruan , Yang Zhang

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…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Yuqing Wang , Zhijie Lin , Yao Teng , Yuanzhi Zhu , Shuhuai Ren , Jiashi Feng , Xihui Liu

In this paper, we introduce a novel visual representation learning which relies on a handful of adaptively learned tokens, and which is applicable to both image and video understanding tasks. Instead of relying on hand-designed splitting…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Michael S. Ryoo , AJ Piergiovanni , Anurag Arnab , Mostafa Dehghani , Anelia Angelova

Text-to-image retrieval is a fundamental task in multimedia processing, aiming to retrieve semantically relevant cross-modal content. Traditional studies have typically approached this task as a discriminative problem, matching the text and…

多媒体 · 计算机科学 2024-07-25 Yongqi Li , Hongru Cai , Wenjie Wang , Leigang Qu , Yinwei Wei , Wenjie Li , Liqiang Nie , Tat-Seng Chua

Models that rely on subword tokenization have significant drawbacks, such as sensitivity to character-level noise like spelling errors and inconsistent compression rates across different languages and scripts. While character- or byte-level…

计算与语言 · 计算机科学 2025-04-03 Julie Kallini , Shikhar Murty , Christopher D. Manning , Christopher Potts , Róbert Csordás

This paper explores the concept of information importance in multi-modal task-oriented semantic communication systems, emphasizing the need for high accuracy and efficiency to fulfill task-specific objectives. At the transmitter, generative…

信号处理 · 电气工程与系统科学 2025-02-25 Yi Ma , Chunmei Xu , Zhenyu Liu , Siqi Zhang , Rahim Tafazolli

Understanding how Large Language Models (LLMs) process information from prompts remains a significant challenge. To shed light on this "black box," attention visualization techniques have been developed to capture neuron-level perceptions…

Recent end-to-end automatic speech recognition (ASR) systems often utilize a Transformer-based acoustic encoder that generates embedding at a high frame rate. However, this design is inefficient, particularly for long speech signals due to…

计算与语言 · 计算机科学 2023-06-29 Yuang Li , Yu Wu , Jinyu Li , Shujie Liu

In image retrieval, deep local features learned in a data-driven manner have been demonstrated effective to improve retrieval performance. To realize efficient retrieval on large image database, some approaches quantize deep local features…

图像与视频处理 · 电气工程与系统科学 2021-12-14 Hui Wu , Min Wang , Wengang Zhou , Yang Hu , Houqiang Li