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This literature review surveys the advancements of keyword spotting (KWS) technologies, specifically focusing on Urdu, Pakistan's low-resource language (LRL), which has complex phonetics. Despite the global strides in speech technology,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-26 Syed Muhammad Aqdas Rizvi

The emergence of Artificial Intelligence (AI) driven Keyword Spotting (KWS) technologies has revolutionized human to machine interaction. Yet, the challenge of end-to-end energy efficiency, memory footprint and system complexity of current…

Audio and Speech Processing · Electrical Eng. & Systems 2021-01-28 Jie Lei , Tousif Rahman , Rishad Shafik , Adrian Wheeldon , Alex Yakovlev , Ole-Christoffer Granmo , Fahim Kawsar , Akhil Mathur

This work addresses the problem of Question Answering (QA) on handwritten document collections. Unlike typical QA and Visual Question Answering (VQA) formulations where the answer is a short text, we aim to locate a document snippet where…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Minesh Mathew , Lluis Gomez , Dimosthenis Karatzas , CV Jawahar

Digital libraries store images which can be highly degraded and to index this kind of images we resort to word spot- ting as our information retrieval system. Information retrieval for handwritten document images is more challenging due to…

Computer Vision and Pattern Recognition · Computer Science 2016-04-22 Sounak Dey , Anguelos Nicolaou , Josep Llados , Umapada Pal

This paper introduces the system submitted by the DKU-SMIIP team for the Auto-KWS 2021 Challenge. Our implementation consists of a two-stage keyword spotting system based on query-by-example spoken term detection and a speaker verification…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-13 Yechen Wang , Yan Jia , Murong Ma , Zexin Cai , Ming Li

Statistical topic models provide a general data-driven framework for automated discovery of high-level knowledge from large collections of text documents. While topic models can potentially discover a broad range of themes in a data set,…

Artificial Intelligence · Computer Science 2008-08-08 Chaitanya Chemudugunta , Padhraic Smyth , Mark Steyvers

The recognition of rare named entities, such as personal names and terminologies, is challenging for automatic speech recognition (ASR) systems, especially when they are not frequently observed in the training data. In this paper, we…

Artificial Intelligence · Computer Science 2024-06-07 Yuang Li , Min Zhang , Chang Su , Yinglu Li , Xiaosong Qiao , Mengxin Ren , Miaomiao Ma , Daimeng Wei , Shimin Tao , Hao Yang

Spoken keyword spotting (KWS) is crucial for identifying keywords within audio inputs and is widely used in applications like Apple Siri and Google Home, particularly on edge devices. Current deep learning-based KWS systems, which are…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-14 Tianyi Peng , Yang Xiao

Keyword extraction is an important document process that aims at finding a small set of terms that concisely describe a document's topics. The most popular state-of-the-art unsupervised approaches belong to the family of the graph-based…

Computation and Language · Computer Science 2020-08-24 Eirini Papagiannopoulou , Grigorios Tsoumakas , Apostolos N. Papadopoulos

This research introduces a novel psychometric method for analyzing textual data using large language models. By leveraging contextual embeddings to create contextual scores, we transform textual data into response data suitable for…

Computation and Language · Computer Science 2025-09-12 Jinsong Chen

In this paper, we investigate representation learning for low-resource keyword spotting (KWS). The main challenges of KWS are limited labeled data and limited available device resources. To address those challenges, we explore…

Sound · Computer Science 2023-03-21 Fan Cui , Liyong Guo , Quandong Wang , Peng Gao , Yujun Wang

A handwritten word recognition system comes with issues such as lack of large and diverse datasets. It is necessary to resolve such issues since millions of official documents can be digitized by training deep learning models using a large…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Mst Shapna Akter , Hossain Shahriar , Alfredo Cuzzocrea , Nova Ahmed , Carson Leung

Evaluation of keyword spotting (KWS) systems that detect keywords in speech is a challenging task under realistic privacy constraints. The KWS is designed to only collect data when the keyword is present, limiting the availability of hard…

Conversational agents commonly utilize keyword spotting (KWS) to initiate voice interaction with the user. For user experience and privacy considerations, existing approaches to KWS largely focus on accuracy, which can often come at the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-30 Christin Jose , Joseph Wang , Grant P. Strimel , Mohammad Omar Khursheed , Yuriy Mishchenko , Brian Kulis

Keyword spotting (KWS) is a crucial function enabling the interaction with the many ubiquitous smart devices in our surroundings, either activating them through wake-word or directly as a human-computer interface. For many applications, KWS…

Motivated by the success of powerful while expensive techniques to recognize words in a holistic way, object proposals techniques emerge as an alternative to the traditional text detectors. In this paper we introduce a novel object…

Computer Vision and Pattern Recognition · Computer Science 2017-02-02 Lluis Gomez-Bigorda , Dimosthenis Karatzas

This paper describes a novel approach to learning term-weighting schemes (TWSs) in the context of text classification. In text mining a TWS determines the way in which documents will be represented in a vector space model, before applying a…

Neural and Evolutionary Computing · Computer Science 2014-10-08 Hugo Jair Escalante , Mauricio A. García-Limón , Alicia Morales-Reyes , Mario Graff , Manuel Montes-y-Gómez , Eduardo F. Morales

Keyword Spotting (KWS) models are becoming increasingly integrated into various systems, e.g. voice assistants. To achieve satisfactory performance, these models typically rely on a large amount of labelled data, limiting their applications…

Sound · Computer Science 2023-05-25 Holger Severin Bovbjerg , Zheng-Hua Tan

In this paper, we rethink sparse lexical representations for image retrieval. By utilizing multi-modal large language models (M-LLMs) that support visual prompting, we can extract image features and convert them into textual data, enabling…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Kengo Nakata , Daisuke Miyashita , Youyang Ng , Yasuto Hoshi , Jun Deguchi

The automatic disambiguation of word senses (i.e., the identification of which of the meanings is used in a given context for a word that has multiple meanings) is essential for such applications as machine translation and information…

Physics and Society · Physics 2013-02-20 Diego R. Amancio , Osvaldo N. Oliveira , Luciano da F. Costa