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The Recurrent Neural Network-Transducer (RNN-T) is widely adopted in end-to-end (E2E) automatic speech recognition (ASR) tasks but depends heavily on large-scale, high-quality annotated data, which are often costly and difficult to obtain.…

Computation and Language · Computer Science 2025-11-07 Dongji Gao , Chenda Liao , Changliang Liu , Matthew Wiesner , Leibny Paola Garcia , Daniel Povey , Sanjeev Khudanpur , Jian Wu

For noisy environments, ensuring the robustness of keyword spotting (KWS) systems is essential. While much research has focused on noisy KWS, less attention has been paid to multi-talker mixed speech scenarios. Unlike the usual cocktail…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-19 Haoyu Li , Baochen Yang , Yu Xi , Linfeng Yu , Tian Tan , Hao Li , Kai Yu

In this paper, we present a novel architecture to realize fine-grained style control on the transformer-based text-to-speech synthesis (TransformerTTS). Specifically, we model the speaking style by extracting a time sequence of local style…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-18 Li-Wei Chen , Alexander Rudnicky

Scene text spotting aims to detect and recognize the entire word or sentence with multiple characters in natural images. It is still challenging because ambiguity often occurs when the spacing between characters is large or the characters…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Wenhai Wang , Xuebo Liu , Xiaozhong Ji , Enze Xie , Ding Liang , Zhibo Yang , Tong Lu , Chunhua Shen , Ping Luo

Breaking down the structure of long texts into semantically coherent segments makes the texts more readable and supports downstream applications like summarization and retrieval. Starting from an apparent link between text coherence and…

Computation and Language · Computer Science 2020-01-06 Goran Glavaš , Swapna Somasundaran

Recently end-to-end scene text spotting has become a popular research topic due to its advantages of global optimization and high maintainability in real applications. Most methods attempt to develop various region of interest (RoI)…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Liang Qiao , Ying Chen , Zhanzhan Cheng , Yunlu Xu , Yi Niu , Shiliang Pu , Fei Wu

We introduce the problem of weakly supervised Multi-Object Tracking and Segmentation, i.e. joint weakly supervised instance segmentation and multi-object tracking, in which we do not provide any kind of mask annotation. To address it, we…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Idoia Ruiz , Lorenzo Porzi , Samuel Rota Bulò , Peter Kontschieder , Joan Serrat

Recent development of object detection mainly depends on deep learning with large-scale benchmarks. However, collecting such fully-annotated data is often difficult or expensive for real-world applications, which restricts the power of deep…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Hao Chen , Yali Wang , Guoyou Wang , Xiang Bai , Yu Qiao

End-to-end simultaneous speech translation (SST), which directly translates speech in one language into text in another language in real-time, is useful in many scenarios but has not been fully investigated. In this work, we propose…

Computation and Language · Computer Science 2021-06-10 Xingshan Zeng , Liangyou Li , Qun Liu

In this paper we investigate cross-lingual Text-To-Speech (TTS) synthesis through the lens of adapters, in the context of lightweight TTS systems. In particular, we compare the tasks of unseen speaker and language adaptation with the goal…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-26 Alessio Falai , Ziyao Zhang , Akos Gangoly

Unsupervised text attribute transfer automatically transforms a text to alter a specific attribute (e.g. sentiment) without using any parallel data, while simultaneously preserving its attribute-independent content. The dominant approaches…

Computation and Language · Computer Science 2019-12-13 Ke Wang , Hang Hua , Xiaojun Wan

This paper explores semi-supervised training for sequence tasks, such as Optical Character Recognition or Automatic Speech Recognition. We propose a novel loss function $\unicode{x2013}$ SoftCTC $\unicode{x2013}$ which is an extension of…

Machine Learning · Computer Science 2023-09-20 Martin Kišš , Michal Hradiš , Karel Beneš , Petr Buchal , Michal Kula

Text-based person search (TBPS) aims to retrieve images of a specific person from a large image gallery based on a natural language description. Existing methods rely on massive annotated image-text data to achieve satisfactory performance…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Daming Gao , Yang Bai , Min Cao , Hao Dou , Mang Ye , Min Zhang

Recent research tries to extend image restoration capabilities from human perception to machine perception, thereby enhancing the performance of high-level vision tasks in degraded environments. These methods, primarily based on supervised…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Jiawei Wu , Zhi Jin

Target sound detection (TSD) aims to detect the target sound from mixture audio given the reference information. Previous works have shown that TSD models can be trained on fully-annotated (frame-level label) or weakly-annotated (clip-level…

Sound · Computer Science 2022-07-20 Dongchao Yang , Helin Wang , Yuexian Zou , Wenwu Wang

Text detection, the key technology for understanding scene text, has become an attractive research topic. For detecting various scene texts, researchers propose plenty of detectors with different advantages: detection-based models enjoy…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Chuang Yang , Mulin Chen , Yuan Yuan , Qi Wang

Generally pre-training and long-time training computation are necessary for obtaining a good-performance text detector based on deep networks. In this paper, we present a new scene text detection network (called FANet) with a Fast…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Yuzhong Zhao , Yuanqiang Cai , Weijia Wu , Weiqiang Wang

State-of-the-art text simplification (TS) systems adopt end-to-end neural network models to directly generate the simplified version of the input text, and usually function as a blackbox. Moreover, TS is usually treated as an all-purpose…

Computation and Language · Computer Science 2022-12-21 Yu Qiao , Xiaofei Li , Daniel Wiechmann , Elma Kerz

In this paper, we consider the task of spotting spoken keywords in silent video sequences -- also known as visual keyword spotting. To this end, we investigate Transformer-based models that ingest two streams, a visual encoding of the video…

Computer Vision and Pattern Recognition · Computer Science 2021-11-01 K R Prajwal , Liliane Momeni , Triantafyllos Afouras , Andrew Zisserman

Scene text segmentation aims at cropping texts from scene images, which is usually used to help generative models edit or remove texts. The existing text segmentation methods tend to involve various text-related supervisions for better…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Haiyang Yu , Teng Fu , Bin Li , Xiangyang Xue