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Today, many state-of-the-art automatic speech recognition (ASR) systems apply all-neural models that map audio to word sequences trained end-to-end along one global optimisation criterion in a fully data driven fashion. These models allow…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-11 Xianrui Zheng , Yulan Liu , Deniz Gunceler , Daniel Willett

We consider the problem of recognizing a vocabulary--a collection of words (sequences) over a finite alphabet--from a potential subsequence of one of its words. We assume the given subsequence is received through a deletion channel as a…

Information Theory · Computer Science 2009-04-23 Majid Fozunbal

Open-vocabulary detection (OVD) is a new object detection paradigm, aiming to localize and recognize unseen objects defined by an unbounded vocabulary. This is challenging since traditional detectors can only learn from pre-defined…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Jincheng Li , Chunyu Xie , Xiaoyu Wu , Bin Wang , Dawei Leng

There is an emerging interest in the application of natural language processing models to source code processing tasks. One of the major problems in applying deep learning to software engineering is that source code often contains a lot of…

Software Engineering · Computer Science 2021-04-28 Nadezhda Chirkova , Sergey Troshin

On word segmentation problems, machine learning architecture engineering often draws attention. The problem representation itself, however, has remained almost static as either word lattice ranking or character sequence tagging, for at…

Computation and Language · Computer Science 2019-10-07 Mike Tian-Jian Jiang

Machine translation has gained much attention in recent years. It is a sub-field of computational linguistic which focus on translating text from one language to other language. Among different translation techniques, neural network…

Computation and Language · Computer Science 2020-01-16 Usman Mohy ud Din

Open-vocabulary object detection (OVOD) enables models to detect any object category, including unseen ones. Benefiting from large-scale pre-training, existing OVOD methods achieve strong detection performance on general scenarios (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Weihao Cao , Runqi Wang , Xiaoyue Duan , Jinchao Zhang , Ang Yang , Liping Jing

Skip-gram (word2vec) is a recent method for creating vector representations of words ("distributed word representations") using a neural network. The representation gained popularity in various areas of natural language processing, because…

Computation and Language · Computer Science 2020-07-09 Tom Kocmi , Ondřej Bojar

In recent years, open-vocabulary (OV) dense visual prediction (such as OV object detection, semantic, instance and panoptic segmentations) has attracted increasing research attention. However, most of existing approaches are task-specific…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Hengcan Shi , Munawar Hayat , Jianfei Cai

Recently, the acoustic-to-word model based on the Connectionist Temporal Classification (CTC) criterion was shown as a natural end-to-end model directly targeting words as output units. However, this type of word-based CTC model suffers…

Computation and Language · Computer Science 2017-11-29 Jinyu Li , Guoli Ye , Rui Zhao , Jasha Droppo , Yifan Gong

Semantic communication is a promising technology for next-generation wireless networks. However, the out-of-distribution (OOD) problem, where a pre-trained machine learning (ML) model is applied to unseen tasks that are outside the…

Signal Processing · Electrical Eng. & Systems 2024-07-23 Feifan Zhang , Yuyang Du , Kexin Chen , Yulin Shao , Soung Chang Liew

The challenge of open-vocabulary recognition lies in the model has no clue of new categories it is applied to. Existing works have proposed different methods to embed category cues into the model, \eg, through few-shot fine-tuning,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Zehong Ma , Shiliang Zhang , Longhui Wei , Qi Tian

We address the design of a unified multilingual system for handwriting recognition. Most of multi- lingual systems rests on specialized models that are trained on a single language and one of them is selected at test time. While some…

Computer Vision and Pattern Recognition · Computer Science 2018-08-29 Wassim Swaileh , Yann Soullard , Thierry Paquet

In this paper, we investigate how to optimize the vocabulary for a voice search language model. The metric we optimize over is the out-of-vocabulary (OoV) rate since it is a strong indicator of user experience. In a departure from the usual…

Computation and Language · Computer Science 2012-11-01 Maryam Kamvar , Ciprian Chelba

Language models are useful adjuncts to optical models for producing accurate optical character recognition (OCR) results. One factor which limits the power of language models in this context is the existence of many specialized domains with…

Computation and Language · Computer Science 2023-08-21 Peter Garst , Reeve Ingle , Yasuhisa Fujii

Acoustic-to-word (A2W) end-to-end automatic speech recognition (ASR) systems have attracted attention because of an extremely simplified architecture and fast decoding. To alleviate data sparseness issues due to infrequent words, the…

Computation and Language · Computer Science 2019-09-27 Hirofumi Inaguma , Masato Mimura , Shinsuke Sakai , Tatsuya Kawahara

Diffusion models represent a new paradigm in text-to-image generation. Beyond generating high-quality images from text prompts, models such as Stable Diffusion have been successfully extended to the joint generation of semantic segmentation…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Pablo Marcos-Manchón , Roberto Alcover-Couso , Juan C. SanMiguel , Jose M. Martínez

Automatic Speech Recognition (ASR) is an active field of research due to its large number of applications and the proliferation of interfaces or computing devices that can support speech processing. However, the bulk of applications are…

Artificial Intelligence · Computer Science 2022-03-03 Jean Louis K. E. Fendji , Diane C. M. Tala , Blaise O. Yenke , Marcellin Atemkeng

When deriving contextualized word representations from language models, a decision needs to be made on how to obtain one for out-of-vocabulary (OOV) words that are segmented into subwords. What is the best way to represent these words with…

Computation and Language · Computer Science 2024-02-23 Aina Garí Soler , Matthieu Labeau , Chloé Clavel

Traditional object detection models in medical imaging operate within a closed-set paradigm, limiting their ability to detect objects of novel labels. Open-vocabulary object detection (OVOD) addresses this limitation but remains…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Tooba Tehreem Sheikh , Jean Lahoud , Rao Muhammad Anwer , Fahad Shahbaz Khan , Salman Khan , Hisham Cholakkal