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Efficient image tokenization with high compression ratios remains a critical challenge for training generative models. We present SoftVQ-VAE, a continuous image tokenizer that leverages soft categorical posteriors to aggregate multiple…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Hao Chen , Ze Wang , Xiang Li , Ximeng Sun , Fangyi Chen , Jiang Liu , Jindong Wang , Bhiksha Raj , Zicheng Liu , Emad Barsoum

Automatic speaker verification (ASV) systems are often affected by spoofing attacks. Recent transformer-based models have improved anti-spoofing performance by learning strong feature representations. However, these models usually need high…

音频与语音处理 · 电气工程与系统科学 2025-07-14 Yang Xiao , Ting Dang , Rohan Kumar Das

Unsupervised spoken term discovery consists of two tasks: finding the acoustic segment boundaries and labeling acoustically similar segments with the same labels. We perform segmentation based on the assumption that the frame feature…

音频与语音处理 · 电气工程与系统科学 2020-07-28 Saurabhchand Bhati , Jesús Villalba , Piotr Żelasko , Najim Dehak

Visual Speech Recognition (VSR) differs from the common perception tasks as it requires deeper reasoning over the video sequence, even by human experts. Despite the recent advances in VSR, current approaches rely on labeled data to fully…

The efficacy of self-supervised speech models has been validated, yet the optimal utilization of their representations remains challenging across diverse tasks. In this study, we delve into Acoustic Word Embeddings (AWEs), a fixed-length…

计算与语言 · 计算机科学 2024-02-06 Alexandra Saliba , Yuanchao Li , Ramon Sanabria , Catherine Lai

Multilingual speech recognition with supervised learning has achieved great results as reflected in recent research. With the development of pretraining methods on audio and text data, it is imperative to transfer the knowledge from…

计算与语言 · 计算机科学 2022-05-26 Ngoc-Quan Pham , Alex Waibel , Jan Niehues

We present a simple self-supervised method to enhance the performance of ViT features for dense downstream tasks. Our Lightweight Feature Transform (LiFT) is a straightforward and compact postprocessing network that can be applied to…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Saksham Suri , Matthew Walmer , Kamal Gupta , Abhinav Shrivastava

Self-training and unsupervised pre-training have emerged as effective approaches to improve speech recognition systems using unlabeled data. However, it is not clear whether they learn similar patterns or if they can be effectively…

Acoustic word embeddings (AWEs) aims to map a variable-length speech segment into a fixed-dimensional representation. High-quality AWEs should be invariant to variations, such as duration, pitch and speaker. In this paper, we introduce a…

音频与语音处理 · 电气工程与系统科学 2023-07-20 Jingru Lin , Xianghu Yue , Junyi Ao , Haizhou Li

This paper makes a simple increment to state-of-the-art in sarcasm detection research. Existing approaches are unable to capture subtle forms of context incongruity which lies at the heart of sarcasm. We explore if prior work can be…

计算与语言 · 计算机科学 2016-10-05 Aditya Joshi , Vaibhav Tripathi , Kevin Patel , Pushpak Bhattacharyya , Mark Carman

Automatic speech recognition (ASR) has gained remarkable successes thanks to recent advances of deep learning, but it usually degrades significantly under real-world noisy conditions. Recent works introduce speech enhancement (SE) as…

音频与语音处理 · 电气工程与系统科学 2024-04-19 Yuchen Hu , Chen Chen , Qiushi Zhu , Eng Siong Chng

The paper presents a method for spoken term detection based on the Transformer architecture. We propose the encoder-encoder architecture employing two BERT-like encoders with additional modifications, including convolutional and upsampling…

计算与语言 · 计算机科学 2022-11-03 Jan Švec , Luboš Šmídl , Jan Lehečka

In this paper, we propose a lightweight and accurate face detection algorithm LAFD (Light and accurate face detection) based on Retinaface. Backbone network in the algorithm is a modified MobileNetV3 network which adjusts the size of the…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Baozhu Liu , Hewei Yu

Facial landmark detection is a crucial prerequisite for many face analysis applications. Deep learning-based methods currently dominate the approach of addressing the facial landmark detection. However, such works generally introduce a…

计算机视觉与模式识别 · 计算机科学 2019-11-21 Yang Zhao , Yifan Liu , Chunhua Shen , Yongsheng Gao , Shengwu Xiong

A light-weight high-performance Deepfake detection method, called DefakeHop, is proposed in this work. State-of-the-art Deepfake detection methods are built upon deep neural networks. DefakeHop extracts features automatically using the…

计算机视觉与模式识别 · 计算机科学 2021-03-15 Hong-Shuo Chen , Mozhdeh Rouhsedaghat , Hamza Ghani , Shuowen Hu , Suya You , C. -C. Jay Kuo

Text-to-audio diffusion models produce high-fidelity audio but require tens of function evaluations (NFEs), incurring multi-second latency and limited throughput. We present SoundWeaver, the first training-free, model-agnostic serving…

声音 · 计算机科学 2026-03-10 Ayush Barik , Sofia Stoica , Nikhil Sarda , Arnav Kethana , Abhinav Khanduja , Muchen Xu , Fan Lai

Self-supervised speech models have grown fast during the past few years and have proven feasible for use in various downstream tasks. Some recent work has started to look at the characteristics of these models, yet many concerns have not…

音频与语音处理 · 电气工程与系统科学 2022-12-13 Yuanchao Li , Yumnah Mohamied , Peter Bell , Catherine Lai

In the last decade, video workflows in the cinema production ecosystem have presented new use cases for video streaming technology. These new workflows, e.g. in On-set Virtual Production, present the challenge of requiring precise quality…

图像与视频处理 · 电气工程与系统科学 2025-10-15 Vibhoothi Vibhoothi , François Pitié , Anil Kokaram

The requiring of large amounts of annotated training data has become a common constraint on various deep learning systems. In this paper, we propose a weakly supervised scene text detection method (WeText) that trains robust and accurate…

计算机视觉与模式识别 · 计算机科学 2017-10-16 Shangxuan Tian , Shijian Lu , Chongshou Li

Current text-image approaches (e.g., CLIP) typically adopt dual-encoder architecture using pre-trained vision-language representation. However, these models still pose non-trivial memory requirements and substantial incremental indexing…

计算机视觉与模式识别 · 计算机科学 2022-05-02 Siyu Ren , Kenny Q. Zhu