A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Filters
Detecting Subsurface Circular Objects From Low Contrast Noisy Images: Applications In Microscope Image Enhancement
2012
Zenodo
Preserved Fulltext
Particle detection in very noisy and low contrast images is an active field of research in image processing. ...
In this article, a method is proposed for the efficient detection and sizing of subsurface spherical particles, which is used for the processing of softly fused Au nanoparticles. ...
Fig. 4 . 4 The Modified Circular Hough Transform Explained.
Fig. 5 . 5 Effect of Canny Edge Detection and Circular Hough Transform after the proposed pre-processing. ...
doi:10.5281/zenodo.1329385
fatcat:e4xjblle6zbh3fj62jkdl5ci3e
A robust firearm identification algorithm of forensic ballistics specimens
2017
Journal of Physics, Conference Series
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
The proposed algorithm comprises Laplacian sharpening filter, clustering-based threshold selection, unweighted least square estimator, and segment a square ROI from the noisy images. ...
A total of 250 simulated noisy images collected from five different pistols of the same make, model and caliber are used to evaluate the robustness of the proposed algorithm. ...
Acknowledgements The authors would like to express their sincere and unreserved appreciation to DSP Abdul Rahman Bin Kassim and his colleagues of the Royal Malaysian Police, who provide the equipments ...
doi:10.1088/1742-6596/890/1/012126
fatcat:kos7xb4ljbft7etjlpixc6nktq
Practical Decision Making Based on Joint Geometric-Probabilistic Analysis
2012
International Journal of Computing and Digital Systems
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
The basic idea is to choose upper bands wavelet coefficients between transform outputs of original and morphological presentation of image. ...
The dependency between parent and child wavelet coefficients of natural images was exploited by a generalized Bayesian-based algorithm. ...
and 3D view of the Hough accumulator of various convolution kernels for circular Hough transform, center positions and radii of detected circles are marked. ...
doi:10.12785/ijcds/010106
fatcat:barzrlodzrgnvjmwxjlolgrqw4
A Survey on Image Analysis Techniques in Agricultural Product
2016
Indian Journal of Science and Technology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
From the segmented image we extract features like colour, shape and texture for normal and defected seed which may help to identify the seed by image analysis techniques. ...
Enhanced image goes through the processes of edge detection and segmentation. ...
an object edge extraction uses Haar wavelet Transform followed by morphological operations such as dilation and erosion were used.For non-linear feature extraction circular Hough transform were used and ...
doi:10.17485/ijst/2016/v9i12/77171
fatcat:7kc3wc6skzgvfbwdasf7tagora
Adaptive Fuzzy Switching Noise Reduction Filter for Iris Pattern Recognition
2015
Jurnal Teknologi
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
The proposed low complexity AFSNR filter removes noise pixels by fuzzy switching between an adaptive median filter and the filling method. ...
The proposed low complexity AFSNR filter removes noise pixels by fuzzy switching between an adaptive median filter and the filling method. ...
Acknowledgement The authors would like to thank the Ministry of Higher Education (MOHE) and Universiti Technologi Malaysia for supporting this research under MIS scholarship. ...
doi:10.11113/jt.v73.3381
fatcat:2dqyxne6snbsffuvmbagmaavsq
HUMAN EYE DETECTION SYSTEM FOR RECOGNIZE EYE DISEASES USING IMAGE PROCESSING
2021
Zenodo
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
HUMAN EYE DETECTION SYSTEM FOR RECOGNIZE EYE DISEASES USING IMAGE PROCESSING: D.Sc Thesis. ...
Instead of the thresholding , adaptive thresholding can use and circular Hough transform may also be implement to detect pupil region in future. ( Katarzyna Harezlak, A. et al., 2014) with other input ...
In the projected structure, the 3 levels of filter used are pipelined.
Figure 3 .Figure 3 . 33 12a12 Median filtered output image
Figure 3 . 3 12 a. Noisy image converted as hex file from Matlab. ...
doi:10.5281/zenodo.5148811
fatcat:4pzov2mwtzd2hbgqsxib46snae
Recognition of Bloom/Yield in Crop Images Using Deep Learning Models for Smart Agriculture: A Review
2021
Agronomy
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
The yield of a crop may vary from year to year depending on the variations in climate, soil parameters and fertilizers used. ...
The automation in image analysis with computer vision and deep learning models provides precise field and yield maps. ...
The parting of individual fruits from clusters or to link disjoint fragments of the same fruit, the watershed algorithm was used along with a circular Hough transform. ...
doi:10.3390/agronomy11040646
fatcat:n3ru7ggspvgixlcu24meshbax4
Computational Methods for Automated Analysis of Malaria Parasite Using Blood Smear Images: Recent Advances
2022
Computational Intelligence and Neuroscience
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
extraction and selection, and (v) classification for the detection of malaria parasites using blood smear images. ...
and intra-observer variations; (ii) microbiologists to take the second opinion from the automated computational methods for effective diagnosis of malaria; and (iii) finally, several issues remain addressed ...
Type of blood smear Problems Reference Preprocessing technique used Remarks Limitations/challenges Used to remove noise Noisy blood smear image [20, 27] Median/Mean filter from blood smear images without ...
doi:10.1155/2022/3626726
pmid:35449742
pmcid:PMC9017520
fatcat:vrfmr5iderfrvlakaqg5nysrhe
Descriptive analysis of dental X-ray images using various practical methods: A review
2021
PeerJ Computer Science
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
Human dental image analysis is a challenging and time-consuming process due to the unspecified and uneven structures of various teeth, and hence the manual investigation of dental abnormalities is at par ...
However, automation in the domain of dental image segmentation and examination is essentially the need of the hour in order to ensure error-free diagnosis and better treatment planning. ...
In the first step, the tooth surface is partitioned using a region-widening approach and the Circular Hough Transform (CHT). ...
doi:10.7717/peerj-cs.620
pmid:34616881
pmcid:PMC8459782
fatcat:c6oxl4466jbyjcivjafgu2zr7e
A Review and Analysis of Automatic Optical Inspection and Quality Monitoring Methods in Electronics Industry
2020
IEEE Access
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
d: Hough Transform Hough transform were also one of the techniques used for feature extraction and defect detection applications, due to the ability to detect various shapes (e.g. linear, circular and ...
Chang et al. in [297] used Hough Transform as a preprocessing approach to transform the circular shape of camera lens' into a linear shape before inspecting the defects. ...
LIST OF ABBREVIATIONS The acronyms and abbreviations used throughout the review and their definitions are listed below: ...
doi:10.1109/access.2020.3029127
fatcat:hoimi667cndsrimsnwasamtdey
Statistical Methods and Models for Video-Based Tracking, Modeling, and Recognition
2009
Foundations and Trends® in Signal Processing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2012; you can also visit the original URL.
The file type is application/pdf.
Goals In this monograph, we will examine several interesting video-based detection, modeling, and recognition problems such as object detection and tracking, structure from motion, shape recovery, face ...
In the presence of noisy observations and other uncertainties, computer vision algorithms make use of statistical methods for robust inference. ...
Acknowledgments The monograph has benefited immensely from the valuable comments of the reviewers and the editor. We are particularly indebted to Prof. ...
doi:10.1561/2000000007
fatcat:o5hmdnzbqvbdzjdu72jkojl5ya
Image Processing and Data Analysis, The Multiscale Approach
1999
Journal of the American Statistical Association
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2006; you can also visit the original URL.
The file type is application/pdf.
We extract all the connected trees resulting from each WTS maximum; Let us remark that this definition is very sensitive to the kind of wavelet transform used. ...
We threshold scale-by-scale and we do an image labeling; 5. We determine the interscale relations; 6. We identify all the wavelet coefficient maxima of the WTS; 7. ...
Data20 is a simulated noisy image, median and wave are the output images after respectively applying a median filter, and a thresholding in the wavelet space. ...
doi:10.2307/2669962
fatcat:vbfoayskbvbdjdse6eec5iy67i
2020 Index IEEE Transactions on Instrumentation and Measurement Vol. 69
2020
IEEE Transactions on Instrumentation and Measurement
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
Meenalochani, M., and Sudha, S., Influence of Received Signal Strength on Prediction of Cluster Head and Number of Rounds; TIM June 2020 3739-3749 Hendeby, G., see Kasebzadeh, P., TIM Aug. 2020 5862 ...
Converter Using All-Digital Nested Delay-Locked Loops With 50-ps Resolution and High Throughput for LiDAR TIM Nov. 2020 9262-9271 Helsen, J., see Huchel, L., TIM July 2020 4145-4153 Hemavathi, N., ...
Zhang, W., +, TIM Sept. 2020 6262-6270 Image filtering 2-D Median Filter-Based Impulsive Noise Reduction in Multifrequency Phase-sensitive Demodulation of Electrical Impedance Tomography. ...
doi:10.1109/tim.2020.3042348
fatcat:a5f4fsqs45fbbetre6zwsg3dly
Automatic Discrimination of Color Retinal Images using the Bag of Words Approach
[article]
2016
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
We proposed to use a single based and multiple based methods for the construction of the visual dictionary by combining the histogram of word occurrences from each dictionary and building a single histogram ...
The introduced approach is evaluated for automatic diagnosis of normal and abnormal color fundus images with bright lesions. ...
Then, the background image is estimated using median filtering and subtracted from the enhanced image to minimize the effect of uneven illumination. ...
arXiv:1603.04327v1
fatcat:ad6pw5fhd5cxdo3gi7342bz52y
Segmentation of neuroanatomy in magnetic resonance images
1992
Medical Imaging VI: Image Processing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
All rights reserved INFORMATION TO ALL USERS The quality of this reproduction is d e p e n d e n t upon the quality of the copy subm itted. ...
In the unlikely e v e n t that the a u thor did not send a c o m p le te m anuscript and there are missing pages, these will be noted. ...
The eyes have been identified on the basis of their shape using the Hough transform and a low-thresholded Canny edge image. ...
doi:10.1117/12.59406
fatcat:rbchl46uffcj5cysrho2pr2ewy
« Previous
Showing results 1 — 15 out of 33 results