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This paper focuses on the problem of script identification in scene text images. Facing this problem with state of the art CNN classifiers is not straightforward, as they fail to address a key characteristic of scene text instances: their…

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

In this work we propose a new online, low cost and fast approach based on computer vision and machine learning to determine whether cutting tools used in edge profile milling processes are serviceable or disposable based on their wear…

Computer Vision and Pattern Recognition · Computer Science 2024-02-12 M. T. García-Ordás , E. Alegre-Gutiérrez , R. Alaiz-Rodríguez , V. González-Castro

This paper presents a novel method to grade the date fruits based on the combination of shape and texture features. The method begins with reducing the specular reflection and small noise using a bilateral filter. Threshold based…

Computer Vision and Pattern Recognition · Computer Science 2015-01-07 S. H. Mohana , C. J. Prabhakar

Stereolithography (SLA) and digital light processing (DLP) are powerful additive manufacturing techniques that address a wide range of applications including regenerative medicine, prototyping, and manufacturing. Unfortunately, these…

Materials Science · Physics 2020-12-02 Callie I. Higgins , Tobin E. Brown , Jason P. Killgore

We propose a very simple, efficient yet surprisingly effective feature extraction method for face recognition (about 20 lines of Matlab code), which is mainly inspired by spatial pyramid pooling in generic image classification. We show that…

Computer Vision and Pattern Recognition · Computer Science 2014-09-18 Fumin Shen , Chunhua Shen , Heng Tao Shen

In this work, we propose to use a local clustering approach based on the sparse solution technique to study the medical image, especially the lung cancer image classification task. We view images as the vertices in a weighted graph and the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Jackson Hamel , Ming-Jun Lai , Zhaiming Shen , Ye Tian

Texture segmentation is the process of partitioning an image into regions with different textures containing a similar group of pixels. Detecting the discontinuity of the filter's output and their statistical properties help in segmenting…

Computer Vision and Pattern Recognition · Computer Science 2014-05-09 M. Rajalakshmi , Dr. P. Subashini

Line separators are used to segregate text-lines from one another in document image analysis. Finding the separator points at every line terminal in a document image would enable text-line segmentation. In particular, identifying the…

Computer Vision and Pattern Recognition · Computer Science 2017-08-21 Amarnath R , P. Nagabhushan

The use of single-photon sources (SPSs) is central to numerous systems and devices proposed amidst a modern surge in quantum technology. However, manufacturing schemes remain imperfect, and single-photon emission purity must often be…

We propose Very Simple Classifier (VSC) a novel method designed to incorporate the concepts of subsampling and locality in the definition of features to be used as the input of a perceptron. The rationale is that locality theoretically…

Machine Learning · Computer Science 2016-09-15 Luca Masera , Enrico Blanzieri

Sparse representation-based classification (SRC), proposed by Wright et al., seeks the sparsest decomposition of a test sample over the dictionary of training samples, with classification to the most-contributing class. Because it assumes…

Computer Vision and Pattern Recognition · Computer Science 2018-06-05 Chelsea Weaver , Naoki Saito

Most techniques approach the problem of image forgery localization as a binary segmentation task, training neural networks to label original areas as 0 and forged areas as 1. In contrast, we tackle this issue from a more fundamental…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Myung-Joon Kwon , Wonjun Lee , Seung-Hun Nam , Minji Son , Changick Kim

Recognizing fonts has become an important task in document analysis, due to the increasing number of available digital documents in different fonts and emphases. A generic font-recognition system independent of language, script and content…

Computer Vision and Pattern Recognition · Computer Science 2014-07-11 Alican Bozkurt , Pinar Duygulu , A. Enis Cetin

We propose a deep and interpretable probabilistic generative model to analyze glyph shapes in printed Early Modern documents. We focus on clustering extracted glyph images into underlying templates in the presence of multiple confounding…

Machine Learning · Computer Science 2020-05-05 Kartik Goyal , Chris Dyer , Christopher Warren , Max G'Sell , Taylor Berg-Kirkpatrick

Textures often show multiscale properties and hence multiscale techniques are considered useful for texture analysis. Scale-space theory as a biologically motivated approach may be used to construct multiscale textures. In this paper…

Computer Vision and Pattern Recognition · Computer Science 2015-03-20 Mehrdad J. Gangeh , Robert P. W. Duin , Bart M. ter Haar Romeny , Mohamed S. Kamel

Recently, transformer-based methods have achieved promising progresses in object detection, as they can eliminate the post-processes like NMS and enrich the deep representations. However, these methods cannot well cope with scene text due…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Jingqun Tang , Wenqing Zhang , Hongye Liu , MingKun Yang , Bo Jiang , Guanglong Hu , Xiang Bai

This work proposes a novel method based on a pseudo-parabolic diffusion process to be employed for texture recognition. The proposed operator is applied over a range of time scales giving rise to a family of images transformed by nonlinear…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Jardel Vieira , Eduardo Abreu , Joao B. Florindo

PRNU-based image processing is a key asset in digital multimedia forensics. It allows for reliable device identification and effective detection and localization of image forgeries, in very general conditions. However, performance impairs…

Computer Vision and Pattern Recognition · Computer Science 2020-01-20 Davide Cozzolino , Francesco Marra , Diego Gragnaniello , Giovanni Poggi , Luisa Verdoliva

The main aim of this paper is to propose a color texture classification approach which uses color sensor information and texture features jointly. High accuracy, low noise sensitivity and low computational complexity are specified aims for…

Computer Vision and Pattern Recognition · Computer Science 2019-06-27 Shervan Fekri-Ershad , Farshad Tajeripour

Few-shot font generation (FFG), which aims to generate a new font with a few examples, is gaining increasing attention due to the significant reduction in labor cost. A typical FFG pipeline considers characters in a standard font library as…

Computer Vision and Pattern Recognition · Computer Science 2022-09-02 Licheng Tang , Yiyang Cai , Jiaming Liu , Zhibin Hong , Mingming Gong , Minhu Fan , Junyu Han , Jingtuo Liu , Errui Ding , Jingdong Wang