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Scene text recognition has attracted increasing interest in recent years due to its wide range of applications in multilingual translation, autonomous driving, etc. In this report, we describe our solution to the Out of Vocabulary Scene…

Computer Vision and Pattern Recognition · Computer Science 2022-09-02 Zhangzi Zhu , Chuhui Xue , Yu Hao , Wenqing Zhang , Song Bai

Advancements in synthesized speech have created a growing threat of impersonation, making it crucial to develop deepfake algorithm recognition. One significant aspect is out-of-distribution (OOD) detection, which has gained notable…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-05 Renmingyue Du , Jixun Yao , Qiuqiang Kong , Yin Cao

In audiovisual automatic speech recognition (AV-ASR) systems, information fusion of visual features in a pre-trained ASR has been proven as a promising method to improve noise robustness. In this work, based on the prominent Whisper ASR,…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-27 Zhengyang Li , Thomas Graave , Björn Möller , Zehang Wu , Matthias Franz , Tim Fingscheidt

Open-Vocabulary Segmentation (OVS) has drawn increasing attention for its capacity to generalize segmentation beyond predefined categories. However, existing methods typically predict segmentation masks with simple forward inference,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Zongyan Han , Jiale Cao , Shuo Chen , Tong Wang , Jorma Laaksonen , Rao Muhammad Anwer

Object detection (OD) in computer vision has made significant progress in recent years, transitioning from closed-set labels to open-vocabulary detection (OVD) based on large-scale vision-language pre-training (VLP). However, current…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Yiyang Yao , Peng Liu , Tiancheng Zhao , Qianqian Zhang , Jiajia Liao , Chunxin Fang , Kyusong Lee , Qing Wang

Topic classification systems on spoken documents usually consist of two modules: an automatic speech recognition (ASR) module to convert speech into text and a text topic classification (TTC) module to predict the topic class from the…

Computation and Language · Computer Science 2021-06-17 Tan Liu , Wu Guo , Bin Gu

Semantic occupancy prediction aims to infer dense geometry and semantics of surroundings for an autonomous agent to operate safely in the 3D environment. Existing occupancy prediction methods are almost entirely trained on human-annotated…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Zhiyu Tan , Zichao Dong , Cheng Zhang , Weikun Zhang , Hang Ji , Hao Li

Traditional Query-by-Example (QbE) speech search approaches usually use methods based on frame-level features, while state-of-the-art approaches tend to use models based on acoustic word embeddings (AWEs) to transform variable length audio…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-21 Yuguang Yang , Yu Pan , Xin Dong , Minqiang Xu

Despite improvements to the generalization performance of automated speech recognition (ASR) models, specializing ASR models for downstream tasks remains a challenging task, primarily due to reduced data availability (necessitating…

Audio and Speech Processing · Electrical Eng. & Systems 2023-01-10 David M. Chan , Shalini Ghosh , Ariya Rastrow , Björn Hoffmeister

Open-vocabulary object detection (OVOD) enables models to recognize objects beyond predefined categories, but existing approaches remain limited in practical deployment. On the one hand, multimodal designs often incur substantial…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Siheng Wang , Yanshu Li , Bohan Hu , Zhengdao Li , Haibo Zhan , Linshan Li , Weiming Liu , Ruizhi Qian , Guangxin Wu , Hao Zhang , Jifeng Shen , Piotr Koniusz , Zhengtao Yao , Junhao Dong , Qiang Sun

Open-vocabulary detection (OVD) aims to detect novel objects without instance-level annotations to achieve open-world object detection at a lower cost. Existing OVD methods mainly rely on the powerful open-vocabulary image-text alignment…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Zishuo Wang , Wenhao Zhou , Jinglin Xu , Yuxin Peng

Audio-visual speech recognition (AVSR) typically improves recognition accuracy in noisy environments by integrating noise-immune visual cues with audio signals. Nevertheless, high-noise audio inputs are prone to introducing adverse…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-09 Linzhi Wu , Xingyu Zhang , Hao Yuan , Yakun Zhang , Changyan Zheng , Liang Xie , Tiejun Liu , Erwei Yin

Recent advances in spoken language processing have led to substantial progress in phonetic tasks such as automatic speech recognition (ASR), phone recognition (PR), grapheme-to-phoneme conversion (G2P), and phoneme-to-grapheme conversion…

Computation and Language · Computer Science 2026-01-19 Chin-Jou Li , Kalvin Chang , Shikhar Bharadwaj , Eunjung Yeo , Kwanghee Choi , Jian Zhu , David Mortensen , Shinji Watanabe

This paper presents final results of the Out-Of-Vocabulary 2022 (OOV) challenge. The OOV contest introduces an important aspect that is not commonly studied by Optical Character Recognition (OCR) models, namely, the recognition of unseen…

Computer Vision and Pattern Recognition · Computer Science 2022-09-15 Sergi Garcia-Bordils , Andrés Mafla , Ali Furkan Biten , Oren Nuriel , Aviad Aberdam , Shai Mazor , Ron Litman , Dimosthenis Karatzas

This paper presents the contribution to the third 'CHiME' speech separation and recognition challenge including both front-end signal processing and back-end speech recognition. In the front-end, Multi-channel Wiener filter (MWF) is…

Sound · Computer Science 2015-09-22 Xiaofei Wang , Chao Wu , Pengyuan Zhang , Ziteng Wang , Yong Liu , Xu Li , Qiang Fu , Yonghong Yan

The rapid advancements in Large Language Models (LLMs) have revolutionized various natural language processing tasks. However, the substantial size of LLMs presents significant challenges in training or fine-tuning. While…

Machine Learning · Computer Science 2025-06-10 Pengxiang Li , Lu Yin , Xiaowei Gao , Shiwei Liu

Silent speech recognition (SSR) is a technology that recognizes speech content from non-acoustic speech-related biosignals. This paper utilizes an attention-enhanced temporal convolutional network architecture for contactless IR-UWB…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-01 Sunghwa Lee , Jaewon Yu

As high-quality public text approaches exhaustion, a phenomenon known as the Data Wall, pre-training is shifting from more tokens to better tokens. However, existing methods either rely on heuristic static filters that ignore training…

Computation and Language · Computer Science 2026-02-10 Shaobo Wang , Xuan Ouyang , Tianyi Xu , Yuzheng Hu , Jialin Liu , Guo Chen , Tianyu Zhang , Junhao Zheng , Kexin Yang , Xingzhang Ren , Dayiheng Liu , Linfeng Zhang

Fingerspelling is a component of sign languages in which words are spelled out letter by letter using specific hand poses. Automatic fingerspelling recognition plays a crucial role in bridging the communication gap between Deaf and hearing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Junuk Cha , Jihyeon Kim , Han-Mu Park

Open-vocabulary object detection (OvOD) is set to revolutionize security screening by enabling systems to recognize any item in X-ray scans. However, developing effective OvOD models for X-ray imaging presents unique challenges due to data…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Pablo Garcia-Fernandez , Lorenzo Vaquero , Mingxuan Liu , Feng Xue , Daniel Cores , Nicu Sebe , Manuel Mucientes , Elisa Ricci