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Conventional optical character recognition (OCR) techniques segmented each character and then recognized. This made them prone to error in character segmentation, and devoid of context to exploit language models. Advances in sequence to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Shashank Vempati , Nishit Anand , Gaurav Talebailkar , Arpan Garai , Chetan Arora

Distributed representations of words as real-valued vectors in a relatively low-dimensional space aim at extracting syntactic and semantic features from large text corpora. A recently introduced neural network, named word2vec (Mikolov et…

Computation and Language · Computer Science 2015-08-11 Adriaan M. J. Schakel , Benjamin J. Wilson

Keyword spotting systems often struggle to generalize to a diverse population with various accents and age groups. To address this challenge, we propose a novel approach that integrates speaker information into keyword spotting using…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-08 Beltrán Labrador , Pai Zhu , Guanlong Zhao , Angelo Scorza Scarpati , Quan Wang , Alicia Lozano-Diez , Alex Park , Ignacio López Moreno

In this paper, we propose a new, scalable approach for the task of object based image search or object recognition. Despite the very large literature existing on the scalability issues in CBIR in the sense of retrieval approaches, the…

Multimedia · Computer Science 2014-04-24 Svebor Karaman , Jenny Benois-Pineau , Rémi Mégret

We propose an approach to semantic segmentation that achieves state-of-the-art supervised performance when applied in a zero-shot setting. It thus achieves results equivalent to those of the supervised methods, on each of the major semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Wei Yin , Yifan Liu , Chunhua Shen , Baichuan Sun , Anton van den Hengel

Finding target persons in full scene images with a query of text description has important practical applications in intelligent video surveillance.However, different from the real-world scenarios where the bounding boxes are not available,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Shizhou Zhang , De Cheng , Wenlong Luo , Yinghui Xing , Duo Long , Hao Li , Kai Niu , Guoqiang Liang , Yanning Zhang

Text segmentation is an inherent part of an OCR system irrespective of the domain of application of it. The OCR system contains a segmentation module where the text lines, words and ultimately the characters must be segmented properly for…

Information Retrieval · Computer Science 2010-03-23 Satadal Saha , Subhadip Basu , Mita Nasipuri , Dipak Kr. Basu

Incorporating linguistic knowledge can improve scene text recognition, but it is questionable whether the same holds for scene text spotting, which typically involves text detection and recognition. This paper proposes a method that…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Nguyen Nguyen , Yapeng Tian , Chenliang Xu

Segmentation localizes objects in an image on a fine-grained per-pixel scale. Segmentation benefits by humans-in-the-loop to provide additional input of objects to segment using a combination of foreground or background clicks. Tasks…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Nikolai Warner , Meera Hahn , Jonathan Huang , Irfan Essa , Vighnesh Birodkar

In this paper, we present TExt Spotting TRansformers (TESTR), a generic end-to-end text spotting framework using Transformers for text detection and recognition in the wild. TESTR builds upon a single encoder and dual decoders for the joint…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Xiang Zhang , Yongwen Su , Subarna Tripathi , Zhuowen Tu

Text-based person search, employing free-form text queries to identify individuals within a vast image collection, presents a unique challenge in aligning visual and textual representations, particularly at the human part level. Existing…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Jicheol Park , Dongwon Kim , Boseung Jeong , Suha Kwak

We describe a substring search problem that arises in group presentation simplification processes. We suggest a two-level searching model: skip and match levels. We give two timestamp algorithms which skip searching parts of the text where…

Group Theory · Mathematics 2009-09-25 George Havas , Jin Xian Lian

Semantic segmentation is a critical task in computer vision aiming to identify and classify individual pixels in an image, with numerous applications in for example autonomous driving and medical image analysis. However, semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Halil Ibrahim Aysel , Xiaohao Cai , Adam Prügel-Bennett

Segmentation of handwritten document images into text lines and words is one of the most significant and challenging tasks in the development of a complete Optical Character Recognition (OCR) system. This paper addresses the automatic…

Computer Vision and Pattern Recognition · Computer Science 2020-09-18 Pawan Kumar Singh , Shubham Sinha , Sagnik Pal Chowdhury , Ram Sarkar , Mita Nasipuri

Segmentation of a text-document into lines, words and characters, which is considered to be the crucial pre-processing stage in Optical Character Recognition (OCR) is traditionally carried out on uncompressed documents, although most of the…

Computer Vision and Pattern Recognition · Computer Science 2014-04-01 Mohammed Javed , P. Nagabhushan , B. B. Chaudhuri

Classification is a common AI problem, and vector search is a typical solution. This transforms a given body of text into a numerical representation, known as an embedding, and modern improvements to vector search focus on optimising speed…

Information Retrieval · Computer Science 2025-06-04 Lee Harris

A scene text spotter is composed of text detection and recognition modules. Many studies have been conducted to unify these modules into an end-to-end trainable model to achieve better performance. A typical architecture places detection…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Youngmin Baek , Seung Shin , Jeonghun Baek , Sungrae Park , Junyeop Lee , Daehyun Nam , Hwalsuk Lee

In this work we present an end-to-end system for text spotting -- localising and recognising text in natural scene images -- and text based image retrieval. This system is based on a region proposal mechanism for detection and deep…

Computer Vision and Pattern Recognition · Computer Science 2014-12-08 Max Jaderberg , Karen Simonyan , Andrea Vedaldi , Andrew Zisserman

Fractal image compression has some desirable properties like high quality at high compression ratio, fast decoding, and resolution independence. Therefore it can be used for many applications such as texture mapping and pattern recognition…

Computer Vision and Pattern Recognition · Computer Science 2015-01-16 Mehdi. Salarian , Babak. Mohamadinia , Jalil Rasekhi

Acoustic-to-Word recognition provides a straightforward solution to end-to-end speech recognition without needing external decoding, language model re-scoring or lexicon. While character-based models offer a natural solution to the…

Audio and Speech Processing · Electrical Eng. & Systems 2018-08-22 Shruti Palaskar , Florian Metze