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Autoregressive (AR) Large Language Models (LLMs) have demonstrated significant success across numerous tasks. However, the AR modeling paradigm presents certain limitations; for instance, contemporary autoregressive LLMs are trained to…

机器学习 · 计算机科学 2025-02-10 Justin Deschenaux , Caglar Gulcehre

Text-to-image generative models have made significant advancements in recent years; however, accurately capturing intricate details in textual prompts-such as entity missing, attribute binding errors, and incorrect relationships remains a…

We study Bayesian inverse problems with mixed noise, modeled as a combination of additive and multiplicative Gaussian components. While traditional inference methods often assume fixed or known noise characteristics, real-world…

机器学习 · 计算机科学 2025-10-17 Paul Hagemann , Robert Gruhlke , Bernhard Stankewitz , Claudia Schillings , Gabriele Steidl

Autoregressive (AR) approaches, which represent images as sequences of discrete tokens from a finite codebook, have achieved remarkable success in image generation. However, the quantization process and the limited codebook size inevitably…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Jinyuan Hu , Jiayou Zhang , Shaobo Cui , Kun Zhang , Guangyi Chen

Diffusion models have demonstrated powerful performance in generating high-quality images. A typical example is text-to-image generator like Stable Diffusion. However, their widespread use also poses potential privacy risks. A key concern…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Guo Li , Weihong Chen , Yongfu Fan

The denoising process of diffusion models can be interpreted as an approximate projection of noisy samples onto the data manifold. Moreover, the noise level in these samples approximates their distance to the underlying manifold. Building…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Abulikemu Abuduweili , Chenyang Yuan , Changliu Liu , Frank Permenter

Guessing random additive noise decoding (GRAND) algorithm has emerged as an excellent decoding strategy that can meet both the high reliability and low latency constraints. This paper proposes a successive addition-subtraction algorithm to…

信息论 · 计算机科学 2021-11-02 Ming Zhan , Zhibo Pang , Kan Yu , Jing Xu , Fang Wu

Generating diverse, pedagogically valid stories for Arabic early-grade reading assessments requires balancing tight constraints on vocabulary, reading level, and narrative structure against the need to avoid repetitive plots that undermine…

计算与语言 · 计算机科学 2026-05-05 Haziq Mohammad Khalid , Salsabeel Shapsough , Imran Zualkernan

Autoregressive models capture stochastic processes in which past realizations determine the generative distribution of new data; they arise naturally in a variety of industrial, biomedical, and financial settings. A key challenge when…

统计理论 · 数学 2020-07-30 Daren Wang , Yi Yu , Alessandro Rinaldo , Rebecca Willett

This paper challenges the dominance of continuous pipelines in visual generation. We systematically investigate the performance gap between discrete and continuous methods. Contrary to the belief that discrete tokenizers are intrinsically…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Qihang Yu , Qihao Liu , Ju He , Xinyang Zhang , Yang Liu , Liang-Chieh Chen , Xi Chen

This paper proposes a novel unsupervised autoregressive neural model for learning generic speech representations. In contrast to other speech representation learning methods that aim to remove noise or speaker variabilities, ours is…

计算与语言 · 计算机科学 2019-06-20 Yu-An Chung , Wei-Ning Hsu , Hao Tang , James Glass

Sequential learning of tasks using gradient descent leads to an unremitting decline in the accuracy of tasks for which training data is no longer available, termed catastrophic forgetting. Generative models have been explored as a means to…

机器学习 · 计算机科学 2020-09-30 Amanda Rios , Laurent Itti

Text-to-speech (TTS) synthesis has seen renewed progress under the discrete modeling paradigm. Existing autoregressive approaches often rely on single-codebook representations, which suffer from significant information loss. Even with…

Directly learning to generate audio waveforms in an autoregressive manner is a challenging task, due to the length of the raw sequences and the existence of important structure on many different timescales. Traditional approaches based on…

声音 · 计算机科学 2025-10-06 Konrad Szewczyk , Daniel Gallo Fernández , James Townsend

Generating human motion from text has been dominated by denoising motion models either through diffusion or generative masking process. However, these models face great limitations in usability by requiring prior knowledge of the motion…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Ekkasit Pinyoanuntapong , Muhammad Usama Saleem , Pu Wang , Minwoo Lee , Srijan Das , Chen Chen

We propose self-adaptive training---a new training algorithm that dynamically corrects problematic training labels by model predictions without incurring extra computational cost---to improve generalization of deep learning for potentially…

机器学习 · 计算机科学 2020-10-01 Lang Huang , Chao Zhang , Hongyang Zhang

In this work, we propose Causal Autoregressive Diffusion (CARD), a novel framework that unifies the training efficiency of ARMs with the high-throughput inference of diffusion models. CARD reformulates the diffusion process within a…

计算与语言 · 计算机科学 2026-01-30 Junhao Ruan , Bei Li , Yongjing Yin , Pengcheng Huang , Xin Chen , Jingang Wang , Xunliang Cai , Tong Xiao , JingBo Zhu

Autoregressive Transformer models have demonstrated impressive performance in video generation, but their sequential token-by-token decoding process poses a major bottleneck, particularly for long videos represented by tens of thousands of…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Yang Ye , Junliang Guo , Haoyu Wu , Tianyu He , Tim Pearce , Tabish Rashid , Katja Hofmann , Jiang Bian

Autoregressive (AR) language models have emerged as powerful solutions for zero-shot text-to-speech (TTS) synthesis, capable of generating natural speech from a few seconds of audio prompts. However, conventional AR-based TTS systems…

音频与语音处理 · 电气工程与系统科学 2025-08-27 Chun Yat Wu , Jiajun Deng , Guinan Li , Qiuqiang Kong , Simon Lui

We present a new model for singing synthesis based on a modified version of the WaveNet architecture. Instead of modeling raw waveform, we model features produced by a parametric vocoder that separates the influence of pitch and timbre.…

声音 · 计算机科学 2017-08-18 Merlijn Blaauw , Jordi Bonada