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Vision transformer has achieved impressive performance for many vision tasks. However, it may suffer from high redundancy in capturing local features for shallow layers. Local self-attention or early-stage convolutions are thus utilized,…

计算机视觉与模式识别 · 计算机科学 2024-01-26 Huaibo Huang , Xiaoqiang Zhou , Jie Cao , Ran He , Tieniu Tan

Bridging different modalities lies at the heart of cross-modality generation. While conventional approaches treat the text modality as a conditioning signal that gradually guides the denoising process from Gaussian noise to the target image…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Ju He , Qihang Yu , Qihao Liu , Liang-Chieh Chen

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

Transformer neural networks are rapidly being integrated into state-of-the-art solutions for natural language processing (NLP) and computer vision. However, the complex structure of these models creates challenges for accelerating their…

机器学习 · 计算机科学 2023-03-24 Salma Afifi , Febin Sunny , Mahdi Nikdast , Sudeep Pasricha

Image captioning models aim at connecting Vision and Language by providing natural language descriptions of input images. In the past few years, the task has been tackled by learning parametric models and proposing visual feature extraction…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Sara Sarto , Marcella Cornia , Lorenzo Baraldi , Rita Cucchiara

Multimodal latent reasoning has emerged as a promising paradigm that replaces explicit Chain-of-Thought (CoT) decoding with implicit feature propagation, simultaneously enhancing representation informativeness and reducing inference…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Yudong Han , Yong Wang , Zaiquan Yang , Zhen Qu , Liyuan Pan , Xiangxiang Chu

We develop an approach for text-to-image generation that embraces additional retrieval images, driven by a combination of implicit visual guidance loss and generative objectives. Unlike most existing text-to-image generation methods which…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Xin Yuan , Zhe Lin , Jason Kuen , Jianming Zhang , John Collomosse

As the basis of generative AI, an autoregressive model requires the generation of a new token depending on all the previously generated tokens, which brings high quality but also restricts the model to generate tokens one by one, forming a…

计算与语言 · 计算机科学 2025-07-02 Zixian Huang , Chenxu Niu , Yu Gu , Gengyang Xiao , Xinwei Huang , Gong Cheng

In this work, we present HieraTok, a novel multi-scale Vision Transformer (ViT)-based tokenizer that overcomes the inherent limitation of modeling single-scale representations. This is realized through two key designs: (1) multi-scale…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Cong Chen , Ziyuan Huang , Cheng Zou , Muzhi Zhu , Kaixiang Ji , Jiajia Liu , Jingdong Chen , Hao Chen , Chunhua Shen

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…

计算机视觉与模式识别 · 计算机科学 2022-09-12 José Lezama , Huiwen Chang , Lu Jiang , Irfan Essa

Autoregressive models have recently shown great promise in visual generation by leveraging discrete token sequences akin to language modeling. However, existing approaches often suffer from inefficiency, either due to token-by-token…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Ruiqing Yang , Kaixin Zhang , Zheng Zhang , Shan You , Tao Huang

The incorporation of high-resolution visual input equips multimodal large language models (MLLMs) with enhanced visual perception capabilities for real-world tasks. However, most existing high-resolution MLLMs rely on a cropping-based…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Renshan Zhang , Rui Shao , Gongwei Chen , Miao Zhang , Kaiwen Zhou , Weili Guan , Liqiang Nie

Striking an optimal balance between minimal drafting latency and high speculation accuracy to enhance the inference speed of Large Language Models remains a significant challenge in speculative decoding. In this paper, we introduce Falcon,…

计算与语言 · 计算机科学 2025-04-23 Xiangxiang Gao , Weisheng Xie , Yiwei Xiang , Feng Ji

In the framework of learned image compression, the context model plays a pivotal role in capturing the dependencies among latent representations. To reduce the decoding time resulting from the serial autoregressive context model, the…

图像与视频处理 · 电气工程与系统科学 2023-12-01 Yang Sui , Ding Ding , Xiang Pan , Xiaozhong Xu , Shan Liu , Bo Yuan , Zhenzhong Chen

Transformers exhibit great advantages in handling computer vision tasks. They model image classification tasks by utilizing a multi-head attention mechanism to process a series of patches consisting of split images. However, for complex…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Haichao Zhang , Kuangrong Hao , Witold Pedrycz , Lei Gao , Xuesong Tang , Bing Wei

Flexible image tokenizers aim to represent an image using an ordered 1D variable-length token sequence. This flexible tokenization is typically achieved through nested dropout, where a portion of trailing tokens is randomly truncated during…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Zixuan Fu , Lanqing Guo , Chong Wang , Binbin Song , Ding Liu , Bihan Wen

Automatic image captioning, a multifaceted task bridging computer vision and natural language processing, aims to generate descriptive textual content from visual input. While Convolutional Neural Networks (CNNs) and Long Short-Term Memory…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Amanuel Tafese Dufera

Recently, self-attention models such as Transformers have given competitive results compared to recurrent neural network systems in speech recognition. The key factor for the outstanding performance of self-attention models is their ability…

音频与语音处理 · 电气工程与系统科学 2020-05-29 Shucong Zhang , Erfan Loweimi , Peter Bell , Steve Renals

Although neural end-to-end text-to-speech models can synthesize highly natural speech, there is still room for improvements to its efficiency and naturalness. This paper proposes a non-autoregressive neural text-to-speech model augmented…

声音 · 计算机科学 2020-10-23 Isaac Elias , Heiga Zen , Jonathan Shen , Yu Zhang , Ye Jia , Ron Weiss , Yonghui Wu

Prevailing autoregressive (AR) models for text-to-image generation either rely on heavy, computationally-intensive diffusion models to process continuous image tokens, or employ vector quantization (VQ) to obtain discrete tokens with…