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Data2vec is a self-supervised learning (SSL) approach that employs a teacher-student architecture for contextual representation learning via masked prediction, demonstrating remarkable performance in monolingual ASR. Previous studies have…

声音 · 计算机科学 2025-01-24 Qijie Shao , Linhao Dong , Kun Wei , Sining Sun , Lei Xie

Deep neural networks (DNNs) exhibit great success on many tasks with the help of large-scale well annotated datasets. However, labeling large-scale data can be very costly and error-prone so that it is difficult to guarantee the annotation…

机器学习 · 计算机科学 2020-07-02 Dongxian Wu , Yisen Wang , Zhuobin Zheng , Shu-tao Xia

At present, the quantification methods of neural network models are mainly divided into post-training quantization (PTQ) and quantization aware training (QAT). Post-training quantization only need a small part of the data to complete the…

机器学习 · 计算机科学 2022-07-08 Huabin Diao , Gongyan Li , Shaoyun Xu , Yuexing Hao

Due to the limited and even imbalanced data, semi-supervised semantic segmentation tends to have poor performance on some certain categories, e.g., tailed categories in Cityscapes dataset which exhibits a long-tailed label distribution.…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Hanzhe Hu , Fangyun Wei , Han Hu , Qiwei Ye , Jinshi Cui , Liwei Wang

Non-autoregressive models greatly improve decoding speed over typical sequence-to-sequence models, but suffer from degraded performance. Infilling and iterative refinement models make up some of this gap by editing the outputs of a…

音频与语音处理 · 电气工程与系统科学 2020-10-28 Ethan A. Chi , Julian Salazar , Katrin Kirchhoff

Model compression has become an emerging need as the sizes of modern speech systems rapidly increase. In this paper, we study model weight quantization, which directly reduces the memory footprint to accommodate computationally…

Post-training quantization makes large reasoning models practical under tight memory and latency budgets, but it can distort the online signals that drive adaptive test-time compute allocation. Under a fixed cap on the number of newly…

人工智能 · 计算机科学 2026-05-08 Sai Babu Patarlapalli , Surya Teja Avvaru

This report describes Tail-Aware HiFloat4, our submission to the low-bit text-to-video generation quantization challenge. Our method adapts the public ViDiT-Q post-training quantization pipeline to Wan2.2 under the HiFloat4 numerical…

人工智能 · 计算机科学 2026-05-27 Zhanfeng Feng , Shuai Guo , Xin Di , Long Peng , Yang Cao , Zhengjun Zha

Recent work on self-supervised pre-training focus on leveraging large-scale unlabeled speech data to build robust end-to-end (E2E) acoustic models (AM) that can be later fine-tuned on downstream tasks e.g., automatic speech recognition…

音频与语音处理 · 电气工程与系统科学 2022-10-18 Juan Zuluaga-Gomez , Amrutha Prasad , Iuliia Nigmatulina , Saeed Sarfjoo , Petr Motlicek , Matthias Kleinert , Hartmut Helmke , Oliver Ohneiser , Qingran Zhan

Recently, self-supervised learning (SSL) from unlabelled speech data has gained increased attention in the automatic speech recognition (ASR) community. Typical SSL methods include autoregressive predictive coding (APC), Wav2vec2.0, and…

音频与语音处理 · 电气工程与系统科学 2023-05-02 Ruchao Fan , Yunzheng Zhu , Jinhan Wang , Abeer Alwan

We introduce the Rule-to-Tag (R2T) framework, a hybrid approach that integrates a multi-tiered system of linguistic rules directly into a neural network's training objective. R2T's novelty lies in its adaptive loss function, which includes…

计算与语言 · 计算机科学 2025-10-17 Mamadou K. Keita , Christopher Homan , Sebastien Diarra

Quantization-Aware Training (QAT) is a critical technique for deploying deep neural networks on resource-constrained devices. However, existing methods often face two major challenges: the highly non-uniform distribution of activations and…

计算机视觉与模式识别 · 计算机科学 2025-10-23 Shaohang Jia , Zhiyong Huang , Zhi Yu , Mingyang Hou , Shuai Miao , Han Yang

Fine-tuning pre-trained diffusion and flow models to optimize downstream utilities is central to real-world deployment. Existing entropy-regularized methods primarily maximize expected reward, providing no mechanism to shape tail behavior.…

机器学习 · 计算机科学 2026-02-20 Zifan Wang , Riccardo De Santi , Xiaoyu Mo , Michael M. Zavlanos , Andreas Krause , Karl H. Johansson

Quantization-aware training (QAT) simulates a quantization process during training to lower bit-precision of weights/activations. It learns quantized weights indirectly by updating latent weights,i.e., full-precision inputs to a quantizer,…

计算机视觉与模式识别 · 计算机科学 2025-10-02 Junghyup Lee , Jeimin Jeon , Dohyung Kim , Bumsub Ham

This paper proposes VARA-TTS, a non-autoregressive (non-AR) text-to-speech (TTS) model using a very deep Variational Autoencoder (VDVAE) with Residual Attention mechanism, which refines the textual-to-acoustic alignment layer-wisely.…

声音 · 计算机科学 2021-02-15 Peng Liu , Yuewen Cao , Songxiang Liu , Na Hu , Guangzhi Li , Chao Weng , Dan Su

Large language model (LLM) reinforcement learning (RL) pipelines are often bottlenecked by rollout generation, making end-to-end training slow. Recent work mitigates this by running rollouts with quantization to accelerate decoding, which…

机器学习 · 计算机科学 2026-04-10 Hao Gu , Hao Wang , Jiacheng Liu , Lujun Li , Qiyuan Zhu , Bei Liu , Binxing Xu , Lei Wang , Xintong Yang , Sida Lin , Sirui Han , Yike Guo

Recent advances in flexible keyword spotting (KWS) with text enrollment allow users to personalize keywords without uttering them during enrollment. However, there is still room for improvement in target keyword performance. In this work,…

音频与语音处理 · 电气工程与系统科学 2025-05-27 Youngmoon Jung , Jinyoung Lee , Seungjin Lee , Myunghun Jung , Yong-Hyeok Lee , Hoon-Young Cho

In text recognition, complex glyphs and tail classes have always been factors affecting model performance. Specifically for Chinese text recognition, the lack of shape-awareness can lead to confusion among close complex characters. Since…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Junyi Zhang , Chang Liu , Chun Yang

Layer-wise quantization is a key technique for efficiently compressing large models without expensive retraining. Previous methods typically quantize the weights of each layer by "uniformly" optimizing the layer reconstruction loss across…

机器学习 · 计算机科学 2025-03-04 Yi-Lin Sung , Prateek Yadav , Jialu Li , Jaehong Yoon , Mohit Bansal

Text to speech (TTS) and automatic speech recognition (ASR) are two dual tasks in speech processing and both achieve impressive performance thanks to the recent advance in deep learning and large amount of aligned speech and text data.…

音频与语音处理 · 电气工程与系统科学 2020-07-28 Yi Ren , Xu Tan , Tao Qin , Sheng Zhao , Zhou Zhao , Tie-Yan Liu