A robust approach for text detection from natural scene images

L Sun, Q Huo, W Jia, K Chen - Pattern Recognition, 2015 - Elsevier
This paper presents a robust text detection approach based on color-enhanced contrasting
extremal region (CER) and neural networks. Given a color natural scene image, six …

Stroke detector and structure based models for character recognition: a comparative study

CZ Shi, S Gao, MT Liu, CZ Qi… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Characters, which are man-made symbols composed of strokes arranged in a certain
structure, could provide semantic information and play an indispensable role in our daily life …

A robust hybrid method for text detection in natural scenes by learning-based partial differential equations

Z Zhao, C Fang, Z Lin, Y Wu - Neurocomputing, 2015 - Elsevier
Learning-based partial differential equations (PDEs), which combine fundamental
differential invariants into a non-linear regressor, have been successfully applied to several …

New gradient-spatial-structural features for video script identification

P Shivakumara, Z Yuan, D Zhao, T Lu… - Computer Vision and …, 2015 - Elsevier
Multi-script identification helps in automatically selecting an appropriate OCR when video
has several scripts; however, script identification in video frames is challenging because low …

Text detection approach based on confidence map and context information

R Wang, N Sang, C Gao - Neurocomputing, 2015 - Elsevier
Text information plays a significant role in many applications for providing more descriptive
and abstract information than other objects. In this paper, an approach based on the …

Im2sketch: Sketch generation by unconflicted perceptual grouping

Y Qi, J Guo, YZ Song, T Xiang, H Zhang, ZH Tan - Neurocomputing, 2015 - Elsevier
Effectively solving the problem of sketch generation, which aims to produce human-drawing-
like sketches from real photographs, opens the door for many vision applications such as …

Detecting natural scenes text via auto image partition, two-stage grouping and two-layer classification

A Zhu, G Wang, Y Dong - Pattern Recognition Letters, 2015 - Elsevier
Text detection in natural scene images is important and challenging work for image analysis.
In this paper, we present a robust system to detect natural scene text according to text region …

Character shape restoration system through medial axis points in video

S Tian, P Shivakumara, TQ Phan, T Lu, CL Tan - Neurocomputing, 2015 - Elsevier
Shape restoration for characters in video is challenging because natural scene characters
usually suffer from low resolution, complex background and perspective distortion. In this …

Piece-wise linearity based method for text frame classification in video

N Sharma, P Shivakumara, U Pal, M Blumenstein… - Pattern Recognition, 2015 - Elsevier
The aim of text frame classification technique is to label a video frame as text or non-text
before text detection and recognition. It is an essential step prior to text detection because …

Text string detection for loosely constructed characters with arbitrary orientations

Y Zhang, J Lai, PC Yuen - Neurocomputing, 2015 - Elsevier
Text in a scene provides vital information of its contents. With the increasing popularity of
vision systems, detecting general text in images becomes a critical yet challenging task …