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Sherin Cherian .
2014 International Journal of Research in Engineering and Technology  
We introduce object detection and tracking approach that combines Prewitt edge detection and kalman filter.  ...  The target object's representation and the location prediction are the two major aspects for object tracking this can be achieved by using these algorithms.  ...  Prewitt operator provides 2 masks one for detecting edges in horizontal direction and another for detecting edges in an vertical direction.  ... 
doi:10.15623/ijret.2014.0313025 fatcat:lj7emaacyrcppjiylhp5qnrecy

Quantum Image Processing [article]

Alok Anand and Meizhong Lyu and Prabh Simran Baweja and Vinay Patil
2022 arXiv   pre-print
The nature of visual information, algorithm complexity, and the representation of 3D scenes in 2D spaces are all popular research topics.  ...  In quantum image processing, quantum image representation plays a key role, which substantively determines the kinds of processing tasks and how well they can be performed.  ...  The Laplacian is generally used to found whether a pixel is on the dark or light side of an edge. 4) Canny edge detection [17] : This is the most commonly used highly effective and complex compared to  ... 
arXiv:2203.01831v1 fatcat:vuwhkinfnzfzvjjnch723hejyy

Hough Parameter Space Regularisation for Line Detection in 3D

Manuel Jeltsch, Christoph Dalitz, Regina Pohle-Fröhlich
2016 Proceedings of the 11th Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications  
When it is used for finding lines in a 3D-space, an appropriate line representation and quantisation of the parameter space is necessary.  ...  The new method is applied to the detection of ridges and straight edges in laser scan data of buildings, where it performs better than a straightforward quantisation.  ...  ACKNOWLEDGEMENTS We are grateful to the Katasteramt Krefeld for providing us with the laser scan data from Geobasisdaten der Kommunen und des Landes NRW c Geobasis NRW 2014.  ... 
doi:10.5220/0005679003450352 dblp:conf/visapp/JeltschDP16 fatcat:xaxtxj73zng47ovciqyjmpof6q

Algorithm for Image Retrieval Based on Edge Gradient Orientation Statistical Code

Jiexian Zeng, Yonggang Zhao, Weiye Li, Xiang Fu
2014 The Scientific World Journal  
Image edge gradient direction not only contains important information of the shape, but also has a simple, lower complexity characteristic.  ...  the edge gradient direction.  ...  The value of largely depends on complexity of the edge.  ... 
doi:10.1155/2014/705763 pmid:24892074 pmcid:PMC4032690 fatcat:ot5vrqonjjbmra4rm6na6hkrxq

Automated Road Extraction From High Resolution Satellite Images

Jose Hormese, C. Saravanan
2016 Procedia Technology - Elsevier  
In this method, a Vectorization Approach for the automatic method of road extraction is being used where the image is segmented to identify the road network regions followed by a decision making and continuity  ...  In the automatic method of road extraction the extracted roads are converted into road vectors in order to use these vector road maps in GIS.  ...  Also the eigen vector corresponding to minimum eigen value gives the direction of road.  ... 
doi:10.1016/j.protcy.2016.05.180 fatcat:sgexlsghyngzrolnwweez7b3li

An Improved Medical Decision Support System to Identify the Breast Cancer Using Mammogram

Muthusamy Suganthi, Muthusamy Madheswaran
2010 Journal of medical systems  
Our proposed technique detects the boundaries of objects in noisy images using the information from the intensity gradient via the vector image model and the texture gradient via the edge map. we discuss  ...  This paper introduces the new technique of detection using the information of intensity and texture of an image.  ...  Section II and III describes the boundary detection using vector image model and edge map.  ... 
doi:10.1007/s10916-010-9448-5 pmid:20703746 fatcat:igklhpjlg5ghfdx47ryxpb4jgi

Gradient feature extraction for classification-based face detection

Lin-Lin Huang, Akinobu Shimizu, Yoshihoro Hagihara, Hidefumi Kobatake
2003 Pattern Recognition  
Face detection from cluttered images is challenging due to the wide variability of face appearances and the complexity of image backgrounds.  ...  The gradient direction representation provides better discrimination ability than the image intensity, and we show that the combination of gradient directionality and intensity outperforms the gradient  ...  Unlike that feature-based detection methods use edges as structural primitives, we measure the gradient directions numerically and store in a feature vector for classiÿcation.  ... 
doi:10.1016/s0031-3203(03)00130-4 fatcat:pzpeyyje6nhhrhtrlado3zz3km

V2V: Vector Embedding of a Graph and Applications

Trong Duc Nguyen, Srikanta Tirthapura
2018 2018 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW)  
We evaluate embeddings produced by V2V through comparing results obtained using V2V with results obtained through a direct application of a graph algorithm, for community detection.  ...  We evaluate embeddings produced by V2V through comparing results obtained using V2V with results obtained through a direct application of a graph algorithm, for community detection.  ...  Community detection is a key analysis task in understanding the structure of complex networks.  ... 
doi:10.1109/ipdpsw.2018.00182 dblp:conf/ipps/NguyenT18 fatcat:5ipfrsafqfautk3amd7nmhly2q

Text detection in images using sparse representation with discriminative dictionaries

Ming Zhao, Shutao Li, James Kwok
2010 Image and Vision Computing  
In this paper, we propose a classification-based algorithm for text detection using a sparse representation with discriminative dictionaries.  ...  First, the edges are detected by the wavelet transform and scanned into patches by a sliding window.  ...  [27] : it detects texts by using a complex-valued multilayer feed-forward network trained to detect text at a fixed scale and position; Fig. 10 .  ... 
doi:10.1016/j.imavis.2010.04.002 fatcat:z7ndqrbqpjejvo2ysogcnt6zau

MINC-NRL: An Information-Based Approach for Community Detection

Yinan Chen, Chuanpeng Wang, Dong Li
2022 Algorithms  
MINC-NRL introduces network representation learning (NRL) to represent the target network as vectors, then generates a community evolution process based on these vectors to reduce the search space, and  ...  A community structure is a reflection of the local characteristics existing in the network topology, this makes community detection become an important research field to reveal the internal structural  ...  in the process; FN uses a greedy technique to merge small communities to large ones, following the direction that raises the value of modularity.  ... 
doi:10.3390/a15010020 fatcat:cnyffysixfbvxm4tjm4krmeucy

A Study of 3D CAD Model and Feature Analysis for Casting Object

Rashiqah Rashli, Zuliani Zulkoffli, Elmi Abu Bakar, Mohd Shukri Soaid
2012 International Journal of Engineering and Technology Innovation  
Fourier Descriptor used to present the pose estimation of images on CCW and CW direction.  ...  In this paper, shape representation model using feature vector and Fourier descriptor were presented on the 3D CAD model image with the aim to gain the shape feature analysis for casting object.  ...  Edge Detection According to Hong and Asher in [5] , edge detection is an essential tool used to obtain information from the frames as a The edge detection images produced in this process is shown in Fig  ... 
doaj:edf0ed4a909e4df68b9451494978adb7 fatcat:tjrpwndywfaghcfx62fbtwip2e

Quaternion-Based Improved Artificial Bee Colony Algorithm for Color Remote Sensing Image Edge Detection

Dujin Liu, Huajun Wang, Sen Wang, Guolin Pu, Xiaoya Deng, Xiang Hou
2015 Mathematical Problems in Engineering  
Then we applied the proposed method to the quaternion vectors to perform the edge detection of color remote sensing image.  ...  Experimental results show that our method can get a better edge detection effect than other methods.  ...  If the two vectors 1 , 2 are of the same color pixel, 3 will be a gray pixel vector, which means the direction coincides with the direction of the rotation axis .  ... 
doi:10.1155/2015/138930 fatcat:x2kvxcrvwjc3rdv6vbevaspb24

In Situ Wireless Channel Visualization Using Augmented Reality and Ray Tracing

Koutitas, Kumar Siddaraju, Metsis
2020 Sensors  
The proposed system performs a special type of spatial mapping, capable of converting a scanned indoor environment to a vector facet model.  ...  This article presents a novel methodology for predicting wireless signal propagation using ray-tracing algorithms, and visualizing signal variations in situ by leveraging Augmented Reality (AR) tools.  ...  values used, σ = sqrt (2) is the standard deviation of the Gaussian filter and is a scalar, and EM is a binary matrix with 1 s representing the points where an edge is detected.  ... 
doi:10.3390/s20030690 pmid:32012704 pmcid:PMC7038403 fatcat:vuwsbhw4hvcp7idvshampafc6a

The gop parallel image processor [chapter]

Goesta H. Granlund
1981 Lecture Notes in Computer Science  
It can work on gray scale or color images of any size, where it uses a combination of local and global processing which makes it possible to detect faint lines or edges.  ...  The processor can be used for classification and segmentation using simultaneously up to 16 different transforms or representations of an image.  ...  The complex value computed for a local region has two components: I. A magnitude reflecting the amount of variation within the window, e.g. step size of an edge. 2.  ... 
doi:10.1007/3-540-10705-3_6 fatcat:7unwph37hnanfoir7kmiaizyzy

Application of Wavelet Transform to Radio Fuze Jamming Identification

Yue-Qin Li, Ping Li, Xiao-Peng Yan, Huimin Chen
2008 2008 4th International Conference on Wireless Communications, Networking and Mobile Computing  
But using real or complex range profiles as feature vectors has a big disadvantage, which has been explained in Section III.  ...  The range profile used in this paper is in the absolute value form, obtained after incoherent detection, not in the real value form as in [7] .  ... 
doi:10.1109/wicom.2008.423 fatcat:qw26smvu6jbi3krmdnkinladoa
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