Výsledky vyhledávání - "QR code recognition"

Implementation of QR Code Recognition Technology Using Smartphone Camera for Indoor Positioning

Autoři: Ji-In Kim Hui-Seon Gang Jae-Young Pyun a další

Zdroj: Energies, Vol 14, Iss 2759, p 2759 (2021)

Témata: indoor positioning, QR code recognition, camera calibration, Technology

Relation: https://www.mdpi.com/1996-1073/14/10/2759; https://doaj.org/toc/1996-1073; https://doaj.org/article/3f1da3e7dd0844e5a727fe8689feea5f

Dostupnost: https://doi.org/10.3390/en14102759
https://doaj.org/article/3f1da3e7dd0844e5a727fe8689feea5f

Identification of QR Code Perspective Distortion Based on Edge Directions and Edge Projections Analysis

Autoři: Ladislav Karrach Elena Pivarčiová Pavol Božek

Zdroj: Journal of Imaging, Vol 6, Iss 67, p 67 (2020)

Témata: QR Code recognition, Quick Response Code localization, adaptive thresholding, finder pattern, perspective distortion, edge projections, Photography, TR1-1050, Computer applications to medicine. Medical informatics, R858-859.7, Electronic computers. Computer science, QA75.5-76.95

Relation: https://www.mdpi.com/2313-433X/6/7/67; https://doaj.org/toc/2313-433X; https://doaj.org/article/94b22dc1b84d47dd98cacf7ea979d0d3

Dostupnost: https://doi.org/10.3390/jimaging6070067
https://doaj.org/article/94b22dc1b84d47dd98cacf7ea979d0d3

Измеритель Ð²ÐµÑÐ¾Ð³Ð°Ð±Ð°Ñ€Ð¸Ñ‚Ð½Ñ‹Ñ Ñ Ð°Ñ€Ð°ÐºÑ‚ÐµÑ€Ð¸ÑÑ‚Ð¸Ðº для системы управления складом: выпускная квалификационная работа бакалавра

Témata: операционная система реального времени, суперцикл, Internet of Things, DWS module, реляционная модель, измеритель ВГХ, QR code recognition, тензометрический датчик, система управления складом, распознавание QR кода, микроконтроллер, microcontroller, real-time operating system, infrared sensor, load cell, Интернет вещей, демонстрационная отладочная модель, supercycle, warehouse management system, relational model, demo debug model, база данныÑ, инфракрасный датчик, database

適用於手機相片不均勻背景的QR Code擷取機置及其應用 ; A General Scheme for Extracting QR Code from a non-uniform background in Camera Phones and Applications

Autoři: 張佑瑄 Chang, Yu-Hsuan 陳銘憲 a další

Přispěvatelé: 張佑瑄 Chang, Yu-Hsuan 陳銘憲 a další

Témata: 影像處理, QR code 擷取, QR code 辨識, 不, 均勻背景, 行, 動電話, image processing, QR-code extraction, QR-code recognition, non-uniform

Relation: [1] I. 18004:2000. Information technology - Automatic identification and data capture techniques - Bar code symbology - QR Code. 2000. [2] Y. Ebrahim, W. Abdelsalam, M. Ahmed, and S.-C. Chau. Proposing a Hybrid Tag- Camera-Based Identification and Navigation Aid for the Visually Impaired. IEEE International Conference on Consumer Communications and Networking Conference, 2004. [3] Encoder and Decoder. http://qrcode.sourceforge.jp/. [4] B. Grunbaum and G. C. Shephard. Tilings and Patterns. W. H. Freeman and Co., 1987. [5] H. I. Hahn and J. K. Joung. Implementation of Algorithm to Decode Twodimensional Barcode PDF-417. IEEE 6th International Conference on Signal Processing, 2002. [6] S.-C. Hsia, M.-H. Chen, and T.-M. Chen. A Cost-Effective Line-Based Light- Balancing Technique Using Adaptive Processing. In Proc. of IEEE Transactions on Image Processing, 2006. [7] D. W. Incorproated. http://www.denso-wave.com/qrcode/index-e.html. 2000. [8] H. Kato and K. T. Tan. 2D Barcodes for Mobile Phones. IEEE 2nd International Conference on Mobile Technology, Applications and Systems, 2005. [9] L. Naimark and E. Foxlin. Circular Data Matrix Fiducial System and Robust Image Processing for a Wearable Vision-Inertial Self-Tracker. IEEE International Symposium on Mixed and Augmented Reality, ISMAR, Proceedings, 2002. [10] E. Ohbuchi, H. Hanaizumi, and L. A. Hock. Barcode Readers using the Camera Device inMobile Phones. In Proc. of IEEE International Conference on Cyberworlds, 2004. [11] T. S. Parikh and E. D. Lazowska. Designing an Architecture for Delivering Mobile Information Services to the Rural Developing World. IEEE Workshop on Mobile Computing Systems and Applications, 2006. [12] T. Pavlidis. Graphics and Image Processing. Computer Science Press, Inc., 1982. [13] W. K. Pratt. Digital Image Processing. Wiley Interscience, 2001. [14] J. Rekimoto. Matrix: A Realtime Object Identication and Registration Method for Augmented Reality. Proceedings of IEEE International Conference on Asia Pacific Computer Human Interaction, 1998. [15] J. Rekimoto and Y. Ayatsuka. CyberCode: designing augmented reality environments with visual tags Designing Augmented Reality Environments(DARE 2000). ACM Proceedings of Designing augmented reality environments, 2000. [16] J. Rekimoto and M. Saitoh. Augmented Surfaces: A Spatially Continuous Work Space for Hybrid Computing Environments. Proceedings of the SIGCHI conference on Human factors in computing systems, 2006. [17] K. Saitou. http://plusd.itmedia.co.jp/mobile/0208/01/n-barcode.html. 2002. [18] T. J. Soon. QRCode: The 2DCode of 21st Century and ItsApplications. Automatic Data Capture Technical Committee, 2002. [19] S. E. Umbaugh. Computer Vision and Image Processing: A Practical Approach Using CVIPtools. Prentice-Hall International, Inc., 1998. [20] F. M. Wahl, K. Y. Wong, and R. G. Casey. Block Segmentation and Text Extraction in Mixed Text/Image Documents. Computer Graphics Image Processing, vol. 20, pp375-390, 1982. [21] G. Yu, Z. Wang, Y. Li, and L. He. An Application and Implementation of Twodimensional symbols for Circuit Board Quality Control system. 2nd IEEE International Conference on Industrial Informatics, 2004. 57

Dostupnost: http://ntur.lib.ntu.edu.tw/handle/246246/58664