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Message (Text) Extraction System from Noisy-Image Regions Using Morphological Dialation Technique in Forensics Investigation
2020
International journal of computer science and mobile computing
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Therefore, the proposed method is proved to be efficient for extracting the text/messages from the outdoor scene images. Finally text is extracted from images for optimal result. ...
In the previous works, paper connected component method is used to extract the text from background. ...
ERs are extracted on the gradient images, HSI and RGB to recover regions for character candidate. As an alternative of using heuristics as Epshtein et al. ...
doi:10.47760/ijcsmc.2020.v09i12.013
fatcat:wu4aufxwojh6ri73fvhdzcme7e
Automatic Extraction of Signatures from Bank Cheques and Other Documents
2003
International Conference on Digital Image Computing: Techniques and Applications
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An innovative approach for extracting signatures from bank cheque images and other documents is proposed based on the integration of the crop method with the sliding window technique. ...
Signature extraction has also been shown on two typical types of documents which have varied and noisy backgrounds. ...
The segmented characters will be fed to the fuzzy system for recognition and verification. ...
dblp:conf/dicta/MadasuYHK03
fatcat:f34lvwydj5a2xdt2a6ce2gms2e
An ensemble technique for speech recognition in noisy environments
2020
Indonesian Journal of Electrical Engineering and Computer Science
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ASR systems often produce poor accuracy for the noisy speech signal. ...
The speech features of these copies differ slightly in order to extract different texts from them when processed by the ASR system. ...
and to improve the automatic speech recognition system [14, 24] . ...
doi:10.11591/ijeecs.v18.i2.pp835-842
fatcat:vg244s2jtrgavp3vt5mm2jfrfy
Stroke-based Character Reconstruction
[article]
2018
arXiv
pre-print
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elimination for noisy character images or character images from real scene is still a challenging problem, due to the bewildering backgrounds, uneven illumination, low resolution and different distortions ...
We propose a stroke-based character reconstruction(SCR) method that use a weighted quadratic Bezier curve(WQBC) to represent strokes of a character. ...
We synthesize noisy character images based on MNIST and character images generated by system fonts as shown in Fig 6. Then take them to train our networks. ...
arXiv:1806.08990v3
fatcat:sr322pxmsvfdpgqbotwbmlwxl4
Electro-Magnetic Side-Channel Attack Through Learned Denoising and Classification
[article]
2019
arXiv
pre-print
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This paper proposes an upgraded electro-magnetic side-channel attack that automatically reconstructs the intercepted data. ...
The approach is also extended to a protection system that triggers an alarm if the system is compromised, demonstrating a success rate over 95%. ...
Section 2 presents existing methods to recover information from EM emanations. Section 3 describes the proposed method for automatic character retrieval. ...
arXiv:1910.07201v1
fatcat:brckiri7bbfcrooid7fuixuscu
Electro-Magnetic Side-Channel Attack Through Learned Denoising and Classification
2020
ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
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This paper proposes an upgraded Electro Magnetic (EM) sidechannel attack that automatically reconstructs the intercepted data. ...
Leveraging on deep learning and Character Recognition (CR) the proposed system retrieves more than 57% of characters present in intercepted signals regardless of signal type: analog or digital. ...
Section 2 presents existing methods to recover information from EM emanations. Section 3 describes the proposed method for automatic character retrieval. ...
doi:10.1109/icassp40776.2020.9053913
dblp:conf/icassp/LemarchandMMNP20
fatcat:hskzfbehs5fojhrx66uqkqfv7y
Unsupervised Discovery of Character Dictionaries in Animation Movies
2018
IEEE transactions on multimedia
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Automatic content analysis of animation movies can enable an objective understanding of character (actor) representations and their portrayals. ...
A character dictionary per movie is then generated from exemplars obtained by clustering these candidates. ...
The rest of the paper is organized as follows: Section II describes the proposed system for selecting character candidates from an animation movie. ...
doi:10.1109/tmm.2017.2745712
fatcat:5rslvy7gkfhehllnqpnkst6dne
Text Extraction from Image
2022
International Journal of Innovative Research in Engineering & Management
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Text extraction is one of the key tasks in document image analysis. Automatic text extraction without characters recognition capabilities is to extract regions just contains text. ...
The text extraction process includes detection, localization, segmentation and enhancement of the text from the given input image. ...
This extracted text contains only black text in white background, i.e. it can be recognized by any recognition system. ...
doi:10.55524/ijirem.2022.9.3.12
fatcat:zw67vcufwnd7lo2ast7gcfiq7m
MPEG-7 Videotext description scheme for superimposed text in images and video
2000
Signal processing. Image communication
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In this paper we present a videotext description scheme and automatic methods for detection and representation of text in video segments. ...
One of the methods is based on edge characterization while the other is based on region analysis. ...
IBM's videotext extraction algorithm. ...
doi:10.1016/s0923-5965(00)00022-9
fatcat:dpvnczkjxjd2hidoxewggtop4i
Automatic Number Plate Recognition (ANPR) With E-challan using Super Resolution Algorithm
2020
Bioscience Biotechnology Research Communications
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The background subtraction method is used to subtract the current frame from the reference frame to get the desired object's area. ...
For checking the performance of an algorithm, the authors have used various real-time test images for extracting the number plates from an inputted image. ...
doi:10.21786/bbrc/13.14/54
fatcat:boigdiyqpbgcjnbv35qbkpkefi
Iterative Multimodel Subimage Binarization for Handwritten Character Segmentation
2004
IEEE Transactions on Image Processing
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Each subimage provides a statistical model for the handwritten characters that can be used to optimize the binarization of other subimages based on gray-level and stroke-run features. ...
It can be applied to different types of documents where prior knowledge about the noisiness of the subimages is not available. ...
Then, we used scoring package [4] to automatically analyze the recognition results; the hypothesized string generated by the recognition system is reconciled with the reference (correct) string, using ...
doi:10.1109/tip.2004.833101
pmid:15449584
fatcat:4ggfpu6eyfcktb6hze75jzqhrm
Jointly Adversarial Enhancement Training for Robust End-to-End Speech Recognition
2019
Interspeech 2019
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With the joint optimization of the recognition, enhancement and adversarial loss, the compositional scheme is expected to learn more robust representations for the recognition task automatically. ...
Recently, the end-to-end system has made significant breakthroughs in the field of speech recognition. ...
For the attention-based encoder-decoder network, we use 80-dimensional normalized log Mel filterbank features from the fbank extraction network as an input feature. ...
doi:10.21437/interspeech.2019-1242
dblp:conf/interspeech/LiuNLLYCPL19
fatcat:obprssglwrg55bl64lwgr4nc6e
An Efficient Method for Text Extraction from Colored Images
2014
International Journal of Computer Applications
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This system is implemented using matlabR2013a and is better than existing system because it can also extract the text from complex colored images This paper explains the necessary steps required to extract ...
Text extraction and recognition from these images present many challenging research issues .The proposed system extracts text from colored images using edge based technique and morphological operations ...
For most OCR engines, character features are extracted and trained from binary character images. ...
doi:10.5120/16856-6728
fatcat:kcowwamtc5dl7mxgavlxvd7mym
High definition licence plate detection algorithm
2012
2012 Proceedings of IEEE Southeastcon
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Experiments on thousands of images show an improvement not only in LP detection in HD images, but also in edges processing time, which compensates for the additional time due to background noise elimination ...
This paper describes a background noise elimination technique introduced for License Plate (LP) detection algorithms specifically designed for High Definition (HD) images to deal with the surplus data ...
This method is necessary in noisy images determined by an automatic SNR threshold following an extensive image analysis using a large database provided by [17] . ...
doi:10.1109/secon.2012.6196912
fatcat:yndrq6xmkna5nkkd5izg7pxfiu
Automatic measurement of surface tension from noisy images using a component labeling method
2007
Colloids and Surfaces A: Physicochemical and Engineering Aspects
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Automatic surface tension measurement of turbid liquids using a bubble method (e.g., pendant/captive bubble) or interfacial tension measurement of some liquid-liquid systems necessitates an image analysis ...
Combined with the previous image analysis scheme, the component labeling method significantly improves the effectiveness and reliability of ADSA in automatically measuring surface tension from noisy images ...
Acknowledgements This work was supported by a grant from the Canadian Institutes of Health Research (MOP-38037) and an Open Fellowship from the University of Toronto to Y.Y.Z. We thank Dr. ...
doi:10.1016/j.colsurfa.2006.11.027
fatcat:qijyzjpblnepjjtokchxfgsbxa
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