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Vector quantization-based image semantic communication systems have successfully boosted transmission efficiency, but face challenges with conflicting requirements between codebook design and digital constellation modulation. Traditional…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Yingbin Zhou , Yaping Sun , Guanying Chen , Xiaodong Xu , Hao Chen , Binhong Huang , Shuguang Cui , Ping Zhang

Molecular representation learning has become a central approach in AI-driven drug discovery, yet existing molecular tokenizations such as SMILES remain largely syntactic and do not naturally align with chemically meaningful substructures.…

Machine Learning · Computer Science 2026-05-19 Takayuki Kimura

We develop a Vector Quantized Spectral Clustering (VQSC) algorithm that is a combination of Spectral Clustering (SC) and Vector Quantization (VQ) sampling for grouping Soybean genomes. The inspiration here is to use SC for its accuracy and…

Quantitative Methods · Quantitative Biology 2018-10-02 Aditya A. Shastri , Kapil Ahuja , Milind B. Ratnaparkhe , Aditya Shah , Aishwary Gagrani , Anant Lal

Abstract Modern image generation (IG) models have been shown to capture rich semantics valuable for image understanding (IU) tasks. However, the potential of IU models to improve IG performance remains uncharted. We address this issue using…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Luting Wang , Yang Zhao , Zijian Zhang , Jiashi Feng , Si Liu , Bingyi Kang

Visual Question Answering (VQA) attracts much attention from both industry and academia. As a multi-modality task, it is challenging since it requires not only visual and textual understanding, but also the ability to align cross-modality…

Computer Vision and Pattern Recognition · Computer Science 2022-01-27 Peixi Xiong , Quanzeng You , Pei Yu , Zicheng Liu , Ying Wu

We propose a hybrid recurrent Video Colorization with Hybrid Generative Adversarial Network (VCGAN), an improved approach to video colorization using end-to-end learning. The VCGAN addresses two prevalent issues in the video colorization…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Yuzhi Zhao , Lai-Man Po , Wing-Yin Yu , Yasar Abbas Ur Rehman , Mengyang Liu , Yujia Zhang , Weifeng Ou

The degradation in the underwater images is due to wavelength-dependent light attenuation, scattering, and to the diversity of the water types in which they are captured. Deep neural networks take a step in this field, providing autonomous…

Computer Vision and Pattern Recognition · Computer Science 2023-02-03 Rita Pucci , Christian Micheloni , Niki Martinel

Semantic information has been proved effective in scene text recognition. Most existing methods tend to couple both visual and semantic information in an attention-based decoder. As a result, the learning of semantic features is prone to…

Computer Vision and Pattern Recognition · Computer Science 2021-11-25 Changxu Cheng , Bohan Li , Qi Zheng , Yongpan Wang , Wenyu Liu

Spatio-temporal forecasting is crucial in various fields and requires a careful balance between identifying subtle patterns and filtering out noise. Vector quantization (VQ) appears well-suited for this purpose, as it quantizes input…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Chao Chen , Tian Zhou , Yanjun Zhao , Hui Liu , Liang Sun , Rong Jin

Vectorized quantum block encoding provides a way to embed classical data into Hilbert space, offering a pathway for quantum models, such as Quantum Transformers (QT), that replace classical self-attention with quantum circuit simulations to…

Quantum Physics · Physics 2025-09-05 Ziqing Guo , Ziwen Pan , Alex Khan , Jan Balewski

Post-training quantization (PTQ) has emerged as an effective technique for compressing large models and accelerating inference without retraining. While PTQ has been extensively studied in large language models (LLMs), its application to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Yufei Xue , Yushi Huang , Jiawei Shao , Lunjie Zhu , Chi Zhang , Xuelong Li , Jun Zhang

Recent large language models have shifted SVG generation from differentiable rendering optimization to autoregressive program synthesis. However, existing approaches still rely on generic byte-level tokenization inherited from natural…

Machine Learning · Computer Science 2026-04-13 Ximing Xing , Ziteng Xue , Zhenxi Li , Weicong Liang , Linqing Wang , Zhantao Yang , Tiankai Hang , Zijin Yin , Qinglin Lu , Chunyu Wang , Qian Yu

Vector Quantization (VQ) is a method for discretizing latent representations and has become a major part of the deep learning toolkit. It has been theoretically and empirically shown that discretization of representations leads to improved…

Machine Learning · Computer Science 2022-02-04 Dianbo Liu , Alex Lamb , Xu Ji , Pascal Notsawo , Mike Mozer , Yoshua Bengio , Kenji Kawaguchi

Current image-to-image translation methods formulate the task with conditional generation models, leading to learning only the recolorization or regional changes as being constrained by the rich structural information provided by the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Yu-Jie Chen , Shin-I Cheng , Wei-Chen Chiu , Hung-Yu Tseng , Hsin-Ying Lee

Vision Transformers can achieve high accuracy and strong generalization across various contexts, but their practical applicability on real-world robotic systems is limited due to their quadratic attention complexity. Recent works have…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Fabio Montello , Ronja Güldenring , Lazaros Nalpantidis

The Vision Transformer (ViT) has gained prominence for its superior relational modeling prowess. However, its global attention mechanism's quadratic complexity poses substantial computational burdens. A common remedy spatially groups tokens…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Qihang Fan , Huaibo Huang , Mingrui Chen , Ran He

Vector Quantization (VQ) underpins many modern generative frameworks such as VQ-VAE, VQ-GAN, and latent diffusion models. Yet, it suffers from the persistent problem of codebook collapse, where a large fraction of code vectors remains…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Hao Lu , Onur C. Koyun , Yongxin Guo , Zhengjie Zhu , Abbas Alili , Metin Nafi Gurcan

The rapid progress of artificial intelligence (AI) and computer vision (CV) has facilitated the development of computation-intensive applications like Visual Question Answering (VQA), which integrates visual perception and natural language…

Computer Vision and Pattern Recognition · Computer Science 2024-11-28 Sige Liu , Nan Li , Yansha Deng , Tony Q. S. Quek

Accurate and well-calibrated Machine Learning (ML) models are mandatory in high-stakes settings, yet effective multiclass calibration remains challenging: global approaches assume calibration errors are homogeneous across the latent space,…

Machine Learning · Computer Science 2026-05-21 Cesare Barbera , Lorenzo Perini , Giovanni De Toni , Andrea Passerini , Andrea Pugnana

Deep learning has brought significant improvements to the field of cross-modal representation learning. For tasks such as text-to-speech (TTS), voice conversion (VC), and automatic speech recognition (ASR), a cross-modal fine-grained…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-29 Chunyu Qiang , Wang Geng , Yi Zhao , Ruibo Fu , Tao Wang , Cheng Gong , Tianrui Wang , Qiuyu Liu , Jiangyan Yi , Zhengqi Wen , Chen Zhang , Hao Che , Longbiao Wang , Jianwu Dang , Jianhua Tao