Filters








4,650 Hits in 2.9 sec

Complete Scanning Application Using OpenCv [article]

Ayushe Gangal, Peeyush Kumar, Sunita Kumari
2021 arXiv   pre-print
All these functions and features, when implemented step by step, results in a complete scanning application.  ...  In the following paper, we have combined the various basic functionalities provided by the NumPy library and OpenCv library, which is an open source for Computer Vision applications, like conversion of  ...  Fig. 4 . 4 Flowchart to represent the algorithm used for the application/program based on OpenCv, an open source library. Fig. 6 . 6 Scanned imageFig.8. Cropped image Fig.7.  ... 
arXiv:2107.03700v1 fatcat:ecyojzjwnnfczktg7pml2ktvym

Analysis of Methods for Camera Calibration in 3D Scanning Systems [chapter]

Jozef Suriansky, Michal Cmarada
2012 DAAAM Proceedings  
Comparison of the calibration was performed using the Camera Calibration Toolbox in MATLAB and OpenCV library implementation in C++ using Microsoft Visual Studio 2010.  ...  The results of the comparison describe the advantages and disadvantages of each algorithm, the possibility of further extensions and applications.  ...  On the other hand, calibration using OpenCV libraries is ideal for applications requiring high speed calibration with sufficient accuracy.  ... 
doi:10.2507/23rd.daaam.proceedings.084 fatcat:66dirnaklzgfvg6ssnwbet76ha

Embedded System based Quadcopter using Ardupilot

Naman Garg, Nikita Pandey, Om Gupta, Uday Sharma, Agha Asim Husain, Navneet Kumar
2022 Zenodo  
Our project focuses on reducing human efforts for controlling an Unmanned Aerial Vehicle(UAV).We have first developed and deployed our application in a simulator and then we made the Hardware which fulfils  ...  our Requirements, this is to make the most efficient use of our development time and effort.We have developed certain python algorithms which can control the whole drone and accurately processing location  ...  OpenCV was made to give a common foundation to application for pc vision and to accelerate for machine insight in shopper items.  ... 
doi:10.5281/zenodo.6787395 fatcat:rpie3vntqfcbhmr7apylqvlole

Barcode Detection using OpenCV-Python

Raghav Puri, Vikram Jain
2019 Zenodo  
One can just scan the code and easily get all the details of the product. It's becoming even more popular and prevalent day by day.  ...  The algorithm involves mainly 4 steps: calculation of Scharr gradient, making the image blur, kernel application and erosions & dilations.  ...  Barcode reader health applications on android mobiles: Barcode is scanned using the barcode scanner available in modern mobiles and the image is communicated to the server, which in turn communicates back  ... 
doi:10.5281/zenodo.2556728 fatcat:fkqy2xwfsrcznb6kfetcqw5kp4

Multi Barcode Scanning and Decoding Technology Based on AR Smart Glasses

Charles Chen, Sheng-Lung Peng
2021 Journal of Information Hiding and Multimedia Signal Processing  
This research mainly develops the technology of multi barcode location, extraction and decoding on Android AR smart glasses, and realizes it with Python, OpenCV and Zbar.  ...  Regarding the program of scanning multiple barcodes, the Python3.7 programming language with OpenCV module and Zbar module is used under the platform of PC Windows 7 system.  ...  Therefore, OpenCV-Python is a very suitable tool for developing visual prototypes and experiments. 2.5. Zbar and Python-Zbar. Zbar is a bar code scanning and decoding library.  ... 
dblp:journals/jihmsp/ChenP21 fatcat:bbx5y7hnabgn5lvw27gxmh2qrq

RASW: A run-time adaptive sliding window to improve Viola-Jones object detection

Francesco Comaschi, Sander Stuijk, Twan Basten, Henk Corporaal
2013 2013 Seventh International Conference on Distributed Smart Cameras (ICDSC)  
Especially in real-time applications, a search strategy based on a sliding window can be computationally too expensive.  ...  When comparing our approach with the OpenCV face detection implementation, we obtain up to 2.03x speedup in frames per second without any loss in accuracy.  ...  Scanning the detector: In Fig. 1 we provide a graphical representation of the scene-scanning process: in steps 1-4 a sliding window of fixed size is scanned across the complete image (left-to-right-top-to-bottom  ... 
doi:10.1109/icdsc.2013.6778224 dblp:conf/icdsc/ComaschiSBC13 fatcat:jxzwpn3w6vay3hejuaq4j7fgse

Implementation of OMR Technology with the Help of Ordinary WebCam

Sandeep Kumar and Dr. Anu Rathee
2020 International journal of modern trends in science and technology  
The implementation is done using Opencv and python. We are using Pycharm IDE so as to easily manage the graphical layout and all the resources.  ...  This project is actually an application that we are developing which enables implementation of OMR using an ordinary WebCam.  ...  COMPUTER VISION BASED OMR SHEET EVALUATION USING OPENCV The main aim of this work is completely removing the ordinary scanners by making use of a web camera as an input device of the OMR sheet.  ... 
doi:10.46501/ijmtst061215 fatcat:kutvqhs5ovg4dh7wt353oujddu

ANALYSIS OF DUAL-ENERGY X-RAY ABSORPTIOMETRY IMAGES USING COMPUTER VISION METHODS

N. Kirilov
2020 Trakia Journal of Sciences  
The objective of the current work is to introduce the potential of the two computer methods and their application in the diagnostic DXA analysis.  ...  The learning of the segmentation of CNN by generating segmentation labels using simple heuristic is done using computer vision.  ...  The Tkinter module was used to create the graphical interface of the application. Once detected, each of the features can be extracted from the DXA scan image.  ... 
doi:10.15547/tjs.2020.s.01.020 fatcat:swjwywckgjfvrmi5bfgzozbjiy

Empowering Blind Tennis via Music

Zainab Pirani, Pranav Kulkarni, Meer Ali, Huzefa Nullwala, Karishma Khan, Misbah Sayyed
2018 International Journal of Computer Applications  
Moreover, the existing system to play the sport of Blind Tennis makes use of sound balls, special balls that rattle when they bounce.  ...  Especially, during last few years, a great deal of highend technology is being used to follow every point of every match of the Tennis Tournaments.  ...  The authors in [15] discuss some famous and basic algorithms of object detection and tracking and also give their general applications and results.  ... 
doi:10.5120/ijca2018916437 fatcat:wy7oxeoal5c55lgqywgef5r2y4

Automated Students Answer Scripts Evaluation System using Advanced Machine Learning Techniques

Ms. Prakruthi S T
2018 International Journal for Research in Applied Science and Engineering Technology  
., scanning the answer scripts of students, then handwritten words are recognized using Tesseract OCR with Python, then match the handwritten words with the keywords in adaptive database using python based  ...  To ensure this we propose a new model using advanced machine learning techniques and methodologies.  ...  Firstly Answer scripts are scanned using scanner. OpenCV is used for reading the scanned image.  ... 
doi:10.22214/ijraset.2018.6266 fatcat:omtbe7rnojacxdb7zbhwzkybrq

Various Techniques for Assessment of OMR Sheets through Ordinary 2D Scanner: A Survey

Nirali V Patel, Ghanshyam I Prajapati
2015 International Journal of Engineering Research and  
OMR is useful for applications in which large numbers of hand-filled forms need to be processed quickly and with great accuracy, such as surveys, reply cards, questionnaires.  ...  OMR scans a printed form and reads predefined positions and records where marks are made on the form.  ...  COMPUTER VISION BASED OMR SHEET EVALUATION USING OPENCV The main aim of this work is completely removing the ordinary scanners by making use of a web camera as an input device of the OMR sheet.  ... 
doi:10.17577/ijertv4is090675 fatcat:3qx2afpjgrbxlpyluc4o5hul6y

Real-time computer vision with OpenCV

Kari Pulli, Anatoly Baksheev, Kirill Kornyakov, Victor Eruhimov
2012 Communications of the ACM  
NVIDIA provided support, including hardware used in the experiments.  ...  An open source implementation of such a scanning application is based on the Point Cloud Library, 6 a companion library to OpenCV that uses 3D points and voxels instead of 2D pixels as basic primitives  ...  OpenCV (and other related APIs such as Point Cloud Library) have made it easier for application developers to use computer vision.  ... 
doi:10.1145/2184319.2184337 fatcat:5rxsktcunfggbcydav52rafblq

Enhancing the Taverna workflow system for executing and analyzing the performance of image processing algorithms

Sureerat Kaewkeeree, Pichaya Tandayya
2012 2012 Ninth International Conference on Computer Science and Software Engineering (JCSSE)  
Experiments show that using the workflow tool can help reducing the design time and the user can easily obtain the results and make decision about which algorithm sets to be used.  ...  This research uses Taverna Workbench, a workflow technology, to help the developer in designing and checking the performance of algorithm sets more easily.  ...  This is useful for the developers who do not deeply know the OpenCV library.  ... 
doi:10.1109/jcsse.2012.6261974 fatcat:c7uwxodfwfb7zmcromplhi3gly

Computerized Waste Segregation Robot

Saurabh Wasnik, Dushyantsingh , Thakur, Prof. Swapnil V. Deshmukh
2019 IJARCCE  
By using the robots, the reduction of manpower will take place with the prevention of human contacts with chemically hazardous substances.  ...  The unprocessed waste contains different types of solid waste like metallic & organic material, which can be used for recycling and composting purpose.  ...  For guiding and supporting us in very possible manner. We would also be like to thanks our honourable HoD Dr. G. R.  ... 
doi:10.17148/ijarcce.2019.8433 fatcat:wmtzqdnxe5gyzdob67bgyhsscm

Object Detection with Pixel Intensity Comparisons Organized in Decision Trees [article]

Nenad Markuš and Miroslav Frljak and Igor S. Pandžić and Jörgen Ahlberg and Robert Forchheimer
2014 arXiv   pre-print
Complete source code is provided at https://github.com/nenadmarkus/pico.  ...  The trees use pixel intensity comparisons in their internal nodes and this makes them able to process image regions very fast. Experimental analysis is provided through a face detection problem.  ...  Complete source code is provided at https://github.com/nenadmarkus/pico.  ... 
arXiv:1305.4537v5 fatcat:kexmlwdtlzgvneuwcb7ewmd7yi
« Previous Showing results 1 — 15 out of 4,650 results