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Deep convolutional neural networks (CNNs) have proven highly effective for visual recognition, where learning a universal representation from activations of convolutional layer plays a fundamental problem. In this paper, we present Fisher…

计算机视觉与模式识别 · 计算机科学 2016-11-30 Zhaofan Qiu , Ting Yao , Tao Mei

In quantised autoencoders, images are usually split into local patches, each encoded by one token. This representation is redundant in the sense that the same number of tokens is spend per region, regardless of the visual information…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Tim Elsner , Paula Usinger , Victor Czech , Gregor Kobsik , Yanjiang He , Isaak Lim , Leif Kobbelt

Variational quantum compiling (VQC) algorithms aim to approximate deep quantum circuits with shallow parameterized ansatzes, making them more suitable for NISQ hardware. In this article a variant of VQC named the recursive variational…

量子物理 · 物理学 2025-03-12 Stian Bilek , Kristian Wold

Vector Quantized Variational Autoencoder (VQ-VAE) has become a fundamental framework for learning discrete representations in image modeling. However, VQ-VAE models must tokenize entire images using a finite set of codebook vectors, and…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Jaeyung Kim , YoungJoon Yoo

We present a Split Vector Quantized Variational Autoencoder (SVQ-VAE) architecture using a split vector quantizer for NTTS, as an enhancement to the well-known Variational Autoencoder (VAE) and Vector Quantized Variational Autoencoder…

声音 · 计算机科学 2023-09-15 Marek Strong , Jonas Rohnke , Antonio Bonafonte , Mateusz Łajszczak , Trevor Wood

Voice conversion (VC) is a task that transforms the source speaker's timbre, accent, and tones in audio into another one's while preserving the linguistic content. It is still a challenging work, especially in a one-shot setting.…

音频与语音处理 · 电气工程与系统科学 2020-06-09 Da-Yi Wu , Yen-Hao Chen , Hung-Yi Lee

In this paper, we explore vector quantization for acoustic unit discovery. Leveraging unlabelled data, we aim to learn discrete representations of speech that separate phonetic content from speaker-specific details. We propose two neural…

音频与语音处理 · 电气工程与系统科学 2020-08-20 Benjamin van Niekerk , Leanne Nortje , Herman Kamper

Visual tokenizers are pivotal in multimodal large models, acting as bridges between continuous inputs and discrete tokens. Nevertheless, training high-compression-rate VQ-VAEs remains computationally demanding, often necessitating thousands…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Borui Zhang , Qihang Rao , Wenzhao Zheng , Jie Zhou , Jiwen Lu

Variational Quantum Circuits (VQC) lie at the forefront of quantum machine learning research. Still, the use of quantum networks for real data processing remains challenging as the number of available qubits cannot accommodate a large…

量子物理 · 物理学 2024-09-06 G. Maragkopoulos , A. Mandilara , A. Tsili , D. Syvridis

Although two-stage Vector Quantized (VQ) generative models allow for synthesizing high-fidelity and high-resolution images, their quantization operator encodes similar patches within an image into the same index, resulting in a repeated…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Chuanxia Zheng , Long Tung Vuong , Jianfei Cai , Dinh Phung

The rapid growth of visual data under stringent storage and bandwidth constraints makes extremely low-bitrate image compression increasingly important. While Vector Quantization (VQ) offers strong structural fidelity, existing methods lack…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Shiyin Jiang , Wei Long , Minghao Han , Zhenghao Chen , Ce Zhu , Shuhang Gu

Quantizing images into discrete representations has been a fundamental problem in unified generative modeling. Predominant approaches learn the discrete representation either in a deterministic manner by selecting the best-matching token or…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Jiahui Zhang , Fangneng Zhan , Christian Theobalt , Shijian Lu

Variational Autoencoder (VAE) encoders play a critical role in modern generative models, yet their computational cost often motivates the use of knowledge distillation or quantification to obtain compact alternatives. Existing studies…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Jiaming Chu , Tao Wang , Lei Jin

Current state-of-the-art generative approaches frequently rely on a two-stage training procedure, where an autoencoder (often a VAE) first performs dimensionality reduction, followed by training a generative model on the learned latent…

机器学习 · 统计学 2025-07-15 Gianluigi Silvestri , Luca Ambrogioni

Variational autoencoders (VAEs) typically encode images into a compact latent space, reducing computational cost but introducing an optimization dilemma: a higher-dimensional latent space improves reconstruction fidelity but often hampers…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Xunzhi Xiang , Xingye Tian , Guiyu Zhang , Yabo Chen , Shaofeng Zhang , Xuebo Wang , Xin Tao , Qi Fan

In recent years, neural network based methods have been proposed as a method that cangenerate representations from music, but they are not human readable and hardly analyzable oreditable by a human. To address this issue, we propose a novel…

音频与语音处理 · 电气工程与系统科学 2021-11-29 Jinsung Kim , Yeong-Seok Jeong , Woosung Choi , Jaehwa Chung , Soonyoung Jung

Quantum Computing aims to streamline machine learning, making it more effective with fewer trainable parameters. This reduction of parameters can speed up the learning process and reduce the use of computational resources. However, in the…

量子物理 · 物理学 2024-05-22 Michael Kölle , Timo Witter , Tobias Rohe , Gerhard Stenzel , Philipp Altmann , Thomas Gabor

In this paper, I present VQ-DRAW, an algorithm for learning compact discrete representations of data. VQ-DRAW leverages a vector quantization effect to adapt the sequential generation scheme of DRAW to discrete latent variables. I show that…

机器学习 · 计算机科学 2020-03-04 Alex Nichol

Vector-quantized representations enable powerful discrete generative models but lack semantic structure in token space, limiting interpretable human control. We introduce SOM-VQ, a tokenization method that combines vector quantization with…

机器学习 · 计算机科学 2026-02-25 Alessandro Londei , Denise Lanzieri , Matteo Benati

Residual Vector Quantization (RVQ) has become a dominant approach in neural speech and audio coding, providing high-fidelity compression. However, speech coding presents additional challenges due to real-world noise, which degrades…

声音 · 计算机科学 2025-06-23 Yunkee Chae , Kyogu Lee