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We develop a representation suitable for the unconstrained recognition of words in natural images: the general case of no fixed lexicon and unknown length. To this end we propose a convolutional neural network (CNN) based architecture which…

计算机视觉与模式识别 · 计算机科学 2015-04-13 Max Jaderberg , Karen Simonyan , Andrea Vedaldi , Andrew Zisserman

Speaker recognition is the process of identifying a speaker based on the voice. The technology has attracted more attention with the recent increase in popularity of smart voice assistants, such as Amazon Alexa. In the past few years,…

声音 · 计算机科学 2021-05-21 Haici Yang , Hongda Mao , Ruirui Li , Chelsea J. T. Ju , Oguz Elibol

The recent advances brought by deep learning allowed to improve the performance in image retrieval tasks. Through the many convolutional layers, available in a Convolutional Neural Network (CNN), it is possible to obtain a hierarchy of…

计算机视觉与模式识别 · 计算机科学 2018-08-16 Federico Magliani , Tomaso Fontanini , Andrea Prati

Research on Offline Handwritten Signature Verification explored a large variety of handcrafted feature extractors, ranging from graphology, texture descriptors to interest points. In spite of advancements in the last decades, performance of…

计算机视觉与模式识别 · 计算机科学 2017-05-17 Luiz G. Hafemann , Robert Sabourin , Luiz S. Oliveira

A wide variety of orthographic coding schemes and models of visual word identification have been developed to account for masked priming data that provide a measure of orthographic similarity between letter strings. These models tend to…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Dong Yin , Valerio Biscione , Jeffrey Bowers

Recent deep learning based methods have achieved the state-of-the-art performance for handwritten Chinese character recognition (HCCR) by learning discriminative representations directly from raw data. Nevertheless, we believe that the…

计算机视觉与模式识别 · 计算机科学 2016-06-21 Xu-Yao Zhang , Yoshua Bengio , Cheng-Lin Liu

The Convolutional Neural Network (CNN) has achieved great success in image classification. The classification model can also be utilized at image or patch level for many other applications, such as object detection and segmentation. In this…

计算机视觉与模式识别 · 计算机科学 2014-12-23 Jun Yuan , Bingbing Ni , Ashraf A. Kassim

In this paper we report results for recognizing colorectal NBI endoscopic images by using features extracted from convolutional neural network (CNN). In this comparative study, we extract features from different layers from different CNN…

计算机视觉与模式识别 · 计算机科学 2016-08-25 Toru Tamaki , Shoji Sonoyama , Tsubasa Hirakawa , Bisser Raytchev , Kazufumi Kaneda , Tetsushi Koide , Shigeto Yoshida , Hiroshi Mieno , Shinji Tanaka

Compared to other applications in computer vision, convolutional neural networks have under-performed on pedestrian detection. A breakthrough was made very recently by using sophisticated deep CNN models, with a number of hand-crafted…

计算机视觉与模式识别 · 计算机科学 2016-06-07 Qichang Hu , Peng Wang , Chunhua Shen , Anton van den Hengel , Fatih Porikli

Text classification is a quintessential and practical problem in natural language processing with applications in diverse domains such as sentiment analysis, fake news detection, medical diagnosis, and document classification. A sizable…

计算与语言 · 计算机科学 2024-10-15 Syed Mustafa Haider Rizvi , Ramsha Imran , Arif Mahmood

Air-writing refers to virtually writing linguistic characters through hand gestures in three-dimensional space with six degrees of freedom. This paper proposes a generic video camera-aided convolutional neural network (CNN) based…

计算机视觉与模式识别 · 计算机科学 2025-02-19 Prasun Roy , Subhankar Ghosh , Umapada Pal

Deep neural networks, albeit their great success on feature learning in various computer vision tasks, are usually considered as impractical for online visual tracking because they require very long training time and a large number of…

计算机视觉与模式识别 · 计算机科学 2016-05-04 Hanxi Li , Yi Li , Fatih Porikli

A novel variational autoencoder is developed to model images, as well as associated labels or captions. The Deep Generative Deconvolutional Network (DGDN) is used as a decoder of the latent image features, and a deep Convolutional Neural…

机器学习 · 统计学 2016-09-29 Yunchen Pu , Zhe Gan , Ricardo Henao , Xin Yuan , Chunyuan Li , Andrew Stevens , Lawrence Carin

Breast cancer is the second most common cancer among women worldwide. Diagnosis of breast cancer by the pathologists is a time-consuming procedure and subjective. Computer aided diagnosis frameworks are utilized to relieve pathologist…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Bahareh Morovati , Reza Lashgari , Mojtaba Hajihasani , Hasti Shabani

Deep learning with a convolutional neural network (CNN) has been proved to be very effective in feature extraction and representation of images. For image classification problems, this work aim at finding which classifier is more…

机器学习 · 计算机科学 2015-06-09 Lei Zhang , David Zhang

Convolutional neural networks(CNNs) has become one of the primary algorithms for various computer vision tasks. Handwritten character recognition is a typical example of such task that has also attracted attention. CNN architectures such as…

计算机视觉与模式识别 · 计算机科学 2019-01-03 Bodhisatwa Mandal , Suvam Dubey , Swarnendu Ghosh , Ritesh Sarkhel , Nibaran Das

Deep convolutional neural networks (CNN) have shown their promise as a universal representation for recognition. However, global CNN activations lack geometric invariance, which limits their robustness for classification and matching of…

计算机视觉与模式识别 · 计算机科学 2014-09-10 Yunchao Gong , Liwei Wang , Ruiqi Guo , Svetlana Lazebnik

Deep convolutional neural networks (CNN) have recently been shown in many computer vision and pattern recog- nition applications to outperform by a significant margin state- of-the-art solutions that use traditional hand-crafted features.…

机器人学 · 计算机科学 2015-04-22 Yi Hou , Hong Zhang , Shilin Zhou

Verifying the identity of a person using handwritten signatures is challenging in the presence of skilled forgeries, where a forger has access to a person's signature and deliberately attempt to imitate it. In offline (static) signature…

计算机视觉与模式识别 · 计算机科学 2017-05-17 Luiz G. Hafemann , Robert Sabourin , Luiz S. Oliveira

Script identification plays a significant role in analysing documents and videos. In this paper, we focus on the problem of script identification in scene text images and video scripts. Because of low image quality, complex background and…

计算机视觉与模式识别 · 计算机科学 2018-08-08 Ankan Kumar Bhunia , Aishik Konwer , Ayan Kumar Bhunia , Abir Bhowmick , Partha P. Roy , Umapada Pal