Academic literature on the topic 'Digital technique'

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Journal articles on the topic "Digital technique"

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Pitke, M. V., and T. Chandrasekaran. "A digital conferencing technique." Proceedings of the IEEE 73, no. 11 (1985): 1687–88. http://dx.doi.org/10.1109/proc.1985.13352.

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Arizaga, Ricardo, Rodrigo Henao, and Roberto Torroba. "Fully digital encryption technique." Optics Communications 221, no. 1-3 (June 2003): 43–47. http://dx.doi.org/10.1016/s0030-4018(03)01462-7.

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Xie, Huimin, and Yilan Kang. "Digital image correlation technique." Optics and Lasers in Engineering 65 (February 2015): 1–2. http://dx.doi.org/10.1016/j.optlaseng.2014.07.010.

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Can, Yekta Said, Fatih Alagoz, and Melih Evren Burus. "A Novel Spread Spectrum Digital Audio Watermarking Technique." Journal of Advances in Computer Networks 2, no. 1 (2014): 6–9. http://dx.doi.org/10.7763/jacn.2014.v2.71.

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Thomas, Reji, Vibisha V, Tabassum A, and Thanuja S. "Digital Watermarking." International Research Journal of Computer Science 10, no. 05 (June 23, 2023): 124–29. http://dx.doi.org/10.26562/irjcs.2023.v1005.04.

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The paper introduces the digital watermarking technology which is a data hiding technique that embeds a message into a multimedia work such as an image or text or other digital object. The proposed technique has several important applications; the majorly important is the digital copyrights protection. The digital watermarking system as any other data hiding technique has its own requirements that make the digital watermark strong as possible. Technologies of digital watermarking are mainly classified depending on their domain to spatial domain watermarks, Watermarks belonging to frequency (transform) domain and wavelet domain watermarks. The digital watermarks suffer from different types of attacks that include either state-of-the-art watermarking attacks or watermark estimation attacks. The recovery from these attacks requires strong detection techniques; the digital watermark agent provides a professional solution for these attacks.
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Okyere, Rufus Larbi. "Efficient Data Hiding Scheme Using Steganography and Cryptography Technique." Advances in Multidisciplinary and scientific Research Journal Publication 10, no. 4 (November 30, 2022): 25–32. http://dx.doi.org/10.22624/aims/digital/v10n4p4.

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Transportation of information across the internet necessitates security concerns. Internally, transmission of data in organisation must also be secured, according to security standards. In a typical distribution, all traffic transferred via the public network (Internet) is secured. However, sensitive information must not be easily accessible in the event that an attacker compromises any services on the hosts and gains access to their resources. The advancement of information technology has enabled large amounts of digital data to be reliably transported through unrestrained communication channels. Today’s information world is a digital world. Data transmission over an unsecure channel is becoming a major issue of concern nowadays. And at the same time intruders are spreading over the internet and being very active. So to protect the secret data from theft, some security measures need to be taken. In order to keep the data secret various techniques have been implemented to encrypt and decrypt the secret data. Findings of this study show how steganography and cryptography techniques are used for efficient data hiding to prevent unauthorised access to confidential and sensitive information. The study present recommendation for policy and practice. Keywords: Efficiency, Data Hiding Scheme, Steganography, Cryptography, Security
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Pandya, Priyesh, and Vikas Gupta. "Enhancing Analog to Digital Converter Resolution Using Oversampling Technique." International Journal of Engineering Research 3, no. 4 (April 1, 2014): 245–48. http://dx.doi.org/10.17950/ijer/v3s4/413.

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SHINODA, Kunihiko. "Introduction of Digital Radiography Technique." JOURNAL OF THE JAPAN WELDING SOCIETY 81, no. 4 (2012): 244–50. http://dx.doi.org/10.2207/jjws.81.244.

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Chinn, S., and W. Stewart. "Digital trauma: another reduction technique." Journal of the American Podiatric Medical Association 76, no. 8 (August 1, 1986): 477–78. http://dx.doi.org/10.7547/87507315-76-8-477.

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makhrib, Zainab F., and Abdulamir A. karim. "Digital Watermark Technique: A Review." Journal of Physics: Conference Series 1999, no. 1 (September 1, 2021): 012118. http://dx.doi.org/10.1088/1742-6596/1999/1/012118.

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Dissertations / Theses on the topic "Digital technique"

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Azirar, Abdennour. "Transmitter linearisation using the LINC technique and digital correction." Thesis, University of Surrey, 2005. http://epubs.surrey.ac.uk/843164/.

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Wireless high-speed digital communications systems are becoming increasingly commonplace for both commercial and military applications. One of the most effective techniques for combating multipath interference is the multicarrier OFDM (Orthogonal Frequency Division Multiplexing) scheme. However, the high PAPR (Peak-to-Average Power Ratio) of OFDM signals constitutes a problem when non-linear amplifiers are used. In this thesis the PAPR problem is introduced and the LINC (Linear Amplification with Nonlinear Components) technique is considered as a possible solution to counteract the PA (Power Amplifier) nonlinearity distortion. The proposed LINC technique can be implemented using DSP (Digital Signal Processing) techniques, has the potential of high IMD (Inter-modulation Distortion) suppression and it is unconditionally stable, which is a key advantage in broadband applications. It's well known that the unwanted imperfections like the I/Q (In-phase/Quadrature) imbalances present in the analogue IQ modulators in a direct conversion OFDM system contribute to a loss of orthogonality and create ICI (Inter-carrier Interference). These impairments can also severely reduce the efficiency of the LINC technique itself. This thesis investigates a digital compensation mechanism to reduce the IQ imbalance errors in the direct conversion OFDM LINC transmitter. The LINC technique is considered in the first part of this thesis as a possible linearisation technique to counteract the non-linear distortion caused by both the mixer and power amplifier in a single-carrier QPSK (Quaternary Phase Shift Keying) transmitter. Prototype systems for single-carrier QPSK transmitter and multi-carrier OFDM transmitter have been constructed to demonstrate the proposed method's capability.
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Addlesee, Michael Dennis. "Aspects of image compression using the subband technique." Thesis, University of Cambridge, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.385880.

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javeed, khalid. "DIGITAL GAIN ERROR CORRECTION TECHNIQUE FOR 8-BIT PIPELINE ADC." Thesis, Linköping University, Electronic Devices, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-59248.

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An analog-to-digital converter (ADC) is a link between the analog and digital domains and plays a vital role in modern mixed signal processing systems. There are several architectures, for example flash ADCs, pipeline ADCs, sigma delta ADCs,successive approximation (SAR) ADCs and time interleaved ADCs. Among the various architectures, the pipeline ADC offers a favorable trade-off between speed,power consumption, resolution, and design effort. The commonly used applications of pipeline ADCs include high quality video systems, radio base stations,Ethernet, cable modems and high performance digital communication systems.Unfortunately, static errors like comparators offset errors, capacitors mismatch errors and gain errors degrade the performance of the pipeline ADC. Hence, there is need for accuracy enhancement techniques. The conventional way to overcome these mentioned errors is to calibrate the pipeline ADC after fabrication, the so-called post fabrication calibration techniques. But environmental changes like temperature and device aging necessitates the recalibration after regular intervals of time, resulting in a loss of time and money. A lot of effort can be saved if the digital outputs of the pipeline ADC can be used for the estimation and correctionof these errors, further classified as foreground and background techniques. In this thesis work, an algorithm is proposed that can estimate 10% inter stage gain errors in pipeline ADC without any need for a special calibration signal. The efficiency of the proposed algorithm is investigated on an 8-bit pipeline ADC architecture.The first seven stages are implemented using the 1.5-bit/stage architecture whilethe last stage is a one-bit flash ADC. The ADC and error correction algorithms simulated in Matlab and the signal to noise and distortion ratio (SNDR) is calculated to evaluate its efficiency.

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Karlsson, Johanna, and Per Samuelsson. "Choosing a technique for digital signatures from the customers' perspective." Thesis, Blekinge Tekniska Högskola, Institutionen för programvaruteknik och datavetenskap, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-1392.

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One way to secure identity over the Internet and other channels is to use digital signatures. Since this area is often used in contact with banks, we have during our work co-operated with Nordea IT. In order for customers to use a digital signature whenever they wish to, a way of making them mobile is required. In our thesis we give an overall understanding of digital signatures and how they can be used. Our main goal is trying to find out what technique customers want to use for carrying their digital signature and if information positively affects customers? will to use the new service. We have found theories about the customers from literature, articles and Nordea IT. The most important theories state the importance of listening to customers and the importance of creating a trust between bank and customer. The main method used for the investigation is a questionnaire. This questionnaire is used to find out public opinions regarding the use of digital signatures. As seen from the result of our investigation most theories about the customers are confirmed. The answers from the questionnaire showed that it is important that the technique fulfils the customers? desire. Every other person could consider using digital signatures, if the number of uncertain can be convinced. From those who are negative or uncertain, one fifth are affected by information from the bank. The importance of information about security and bank policies is thus also confirmed. Both the choices of technique and the information positively affects customers? will to use digital signatures.
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Yuping, Lu. "Intelligent technique based digital differential protection for generator-transformer unit." Thesis, City University London, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.410150.

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Hu, Yiqun. "Digital Spatial Domain Multiplexing technique for optical fibre sensor arrays." Thesis, University of Southampton, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245041.

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Murata, Hidekazu. "NONLINEAR CO-CHANNEL INTERFERENCE CANCELLATION TECHNIQUE FOR DIGITAL MOBILE COMMUNICATIONS." Kyoto University, 2000. http://hdl.handle.net/2433/181010.

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Radhakrishnan, Ram Harshvardhan. "Accelerated Successive Approximation Technique for Analog to Digital Converter Design." OpenSIUC, 2015. https://opensiuc.lib.siu.edu/theses/1630.

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This thesis work presents a novel technique to reduce the number of conversion cycles for Successive Approximation register (SAR) Analog to Digital Converters (ADC), thereby potentially improving the conversion speed as well as reducing its power consumption. Conventional SAR ADCs employ the binary search algorithm and they update only one bound, either the upper or lower bound, of the search space during one conversion cycle. The proposed method, referred to as the Accelerated-SAR or A-SAR, is capable of updating both the lower and upper bounds in a single conversion cycle. Even in cases that it can update only one bound, it does more aggressively. The proposed technique is implemented in a 10-bit SAR ADC circuit with 0.5V power supply and rail-to-rail input range. To cope with the ultra-low voltage design challenge, Time-to-Digital conversion techniques are used in the implementation. Important design issues are also discussed for the charge scaling array and Voltage Controlled Delay Lines (VCDL), which are important building blocks in the ADC implementation.
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Wolin, Martin Michael. "Digital high school photography curriculum." CSUSB ScholarWorks, 2003. https://scholarworks.lib.csusb.edu/etd-project/2414.

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The purpose of this thesis is to create a high school digital photography curriculum that is relevant to real world application and would enable high school students to enter the work force with marketable skills or go on to post secondary education with advanced knowledge in the field of digital imaging.
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Tourabaly, Jamil A. "A jittered-sampling correction technique for ADCs." Connect to thesis, 2008. http://portal.ecu.edu.au/adt-public/adt-ECU2008.0009.html.

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Books on the topic "Digital technique"

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Gosney, Michael. The Verbum book of digital painting. Redwood City, Calif: M&T Pub., 1990.

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Naren, Barfield, ed. Digital printmaking. New York: Watson-Guptill, 2003.

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The digital canvas. Lewes: Ilex, 2006.

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(Firm), 3Dtotal com, ed. Digital painting techniques. Amsterdam: Elsevier, 2009.

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Sheng huo she ying enjoy: She ying bi xiu 15+2 tang ke. Taibei Shi: Qi feng zi xun gu fen you xian gong si, 2008.

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Capturing life through better photography. [United States]: Lackey Ballard Productions, 2010.

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Horovitz, Ellen G. Digital photographer's guide to alternative and mixed media art. New York: Pixiq, 2011.

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Barkhausen, Jörg. Digital breast tomosynthesis: Technique and cases. Stuttgart: Thieme, 2016.

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1945-, Beardon Colin, and Malmborg Lone, eds. Digital creativity: A reader. Lisse, the Netherlands: Swets & Zeitlinger, 2002.

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Painter x creativity: Digital artists handbook. Amsterdam: Elsevier, 2007.

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Book chapters on the topic "Digital technique"

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Bucy, R. S. "Burg Technique." In Signal Processing and Digital Filtering, 47–54. New York, NY: Springer New York, 1994. http://dx.doi.org/10.1007/978-1-4613-8392-5_5.

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Sachnev, Vasily, and Hyoung-Joong Kim. "Ternary Data Hiding Technique for JPEG Steganography." In Digital Watermarking, 202–10. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-18405-5_17.

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Chaumont, Marc. "Fast Embedding Technique for Dirty Paper Trellis Watermarking." In Digital Watermarking, 110–20. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03688-0_12.

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Rahim, Ali. "From Digital Technique to Elegance." In Total_Fluidity, 132–67. Vienna: Springer Vienna, 2011. http://dx.doi.org/10.1007/978-3-7091-0487-3_2.

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Pan, Jeng-Shyang, Feng-Hsing Wang, Lakhmi Jain, and Nikhil Ichalkaranje. "A Multistage VQ Based Watermarking Technique with Fake Watermarks." In Digital Watermarking, 81–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/3-540-36617-2_8.

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Cho, Wan-Hyun, Myung-Eun Lee, Hyun Lim, and Soon-Young Park. "Watermarking Technique for Authentication of 3-D Polygonal Meshes." In Digital Watermarking, 259–70. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/978-3-540-31805-7_22.

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Yu, Dan, and Farook Sattar. "A New Blind Watermarking Technique Based on Independent Component Analysis." In Digital Watermarking, 51–63. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/3-540-36617-2_6.

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Xuan, Guorong, Chengyun Yang, Yizhan Zhen, Yun Q. Shi, and Zhicheng Ni. "Reversible Data Hiding Using Integer Wavelet Transform and Companding Technique." In Digital Watermarking, 115–24. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/978-3-540-31805-7_10.

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Kumar, Narander, and Jaishree. "Digital Watermarking Using Enhanced LSB Technique." In Advances in Intelligent Systems and Computing, 373–85. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-3153-3_37.

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Mori, Hiroshi, and Jun’ichi Hoshino. "Key Action Technique for Digital Storytelling." In Entertainment Computing - ICEC 2005, 36–47. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11558651_4.

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Conference papers on the topic "Digital technique"

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O. Ibadi, Abdulkareem. "Unbreakable Digital Watermarking Technique." In 1st International Conference on Information Technology. Lebanese French University - LFU, 2017. http://dx.doi.org/10.25212/icoit17.045.

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Chandra, Munesh, Shikha Pandey, and Rama Chaudhary. "Digital watermarking technique for protecting digital images." In 2010 3rd IEEE International Conference on Computer Science and Information Technology (ICCSIT 2010). IEEE, 2010. http://dx.doi.org/10.1109/iccsit.2010.5565177.

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Wei Song, Xiang-chun Liu, Ren-wei Ding, and Peng-yu Na. "Digital watermarking technique for digital medical images." In 2012 International Symposium on Information Technology in Medicine and Education (ITME 2012). IEEE, 2012. http://dx.doi.org/10.1109/itime.2012.6291455.

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Yoo, Youngjin, Kangeui Lee, Wonhee Choe, SungChan Park, Seong-Deok Lee, and Chang-Yong Kim. "A digital ISO expansion technique for digital cameras." In IS&T/SPIE Electronic Imaging, edited by Francisco Imai, Nitin Sampat, and Feng Xiao. SPIE, 2010. http://dx.doi.org/10.1117/12.838774.

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Ceuca, E., E. Olteanu, and R. Joldes. "Digital technique of circuit's analyses." In 2007 30th International Spring Seminar on Electronics Technology. IEEE, 2007. http://dx.doi.org/10.1109/isse.2007.4432922.

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Jafargholi, Amir, Nabi Esmi, Mohammad R. Mousavi, and A. Hosseinbeig. "Novell Efficient Digital Modulation Technique." In 2006 International Conference on Communication Technology. IEEE, 2006. http://dx.doi.org/10.1109/icct.2006.341891.

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Okonkwo, Uche A. K., Razali Ngah, and Tharek Rahman. "Wavelet-based digital modulation technique." In 2009 IEEE 9th Malaysia International Conference on Communications (MICC). IEEE, 2009. http://dx.doi.org/10.1109/micc.2009.5431551.

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Lagodzinski, Przemyslaw, and Bogdan Smolka. "Fast Digital Image Colorization Technique." In 2007 IEEE International Symposium on Signal Processing and Information Technology. IEEE, 2007. http://dx.doi.org/10.1109/isspit.2007.4458137.

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da Silva Martins, Carlos A. P., and Sergio T. Kofuji. "New digital image interpolation technique." In Electronic Imaging, edited by Morley M. Blouke, Nitin Sampat, George M. Williams, Jr., and Thomas Yeh. SPIE, 2000. http://dx.doi.org/10.1117/12.385457.

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Woo, Young Yun, Jangheon Kim, Sungchul Hong, Ildu Kim, Junghwan Moon, Jaehyok Yi, and Bumman Kim. "A New Adaptive Digital Predistortion Technique Employing Feedback Technique." In 2007 IEEE/MTT-S International Microwave Symposium. IEEE, 2007. http://dx.doi.org/10.1109/mwsym.2007.380505.

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Reports on the topic "Digital technique"

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Chan, Heang-Ping. Development of a Digital Stereoscopic Imaging Technique in Mammography. Fort Belvoir, VA: Defense Technical Information Center, May 2003. http://dx.doi.org/10.21236/ada416976.

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Kilgore, Jr, and James A. A Simple Technique for Displaying WDB-II Digital Cartographic Imagery in KEE. Fort Belvoir, VA: Defense Technical Information Center, May 1991. http://dx.doi.org/10.21236/ada235800.

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Berns, Eric A., and R. E. Hendrick. Optimization of Technique Factors for Full-Field Digital Mammography and Comparison of Optimized Techniques to Screen-Film Mammography. Fort Belvoir, VA: Defense Technical Information Center, March 2001. http://dx.doi.org/10.21236/ada394389.

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Berns, Eric A., and Edward Hendrick. Optimization of Technique Factors for Full-Field Digital Mammography and Comparison of Optimized Techniques to Screen-Film Mammography. Fort Belvoir, VA: Defense Technical Information Center, September 2003. http://dx.doi.org/10.21236/ada420415.

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Flaska, Marek, and Sara A. Pozzi. Measurements of Separate Neutron and Gamma-Ray Coincidences with Liquid Scintillators and Digital PSD Technique. Office of Scientific and Technical Information (OSTI), October 2007. http://dx.doi.org/10.2172/932640.

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Justusson, Brian P., David M. Spagnuolo, and Jian H. Yu. Assessing the Applicability of Digital Image Correlation (DIC) Technique in Tensile Testing of Fabric Composites. Fort Belvoir, VA: Defense Technical Information Center, February 2013. http://dx.doi.org/10.21236/ada571047.

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Zarate, Carolina, Simson L. Garfinkel, Aubin Heffernan, Kyle Gorak, and Scott Horras. A Survey of XOR as a Digital Obfuscation Technique in a Corpus of Real Data. Fort Belvoir, VA: Defense Technical Information Center, January 2014. http://dx.doi.org/10.21236/ada592678.

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Harris, Melissa, and Alexia Pretari. Going Digital – Computer-Assisted Telephone Interviewing (CATI): Lessons learned from a pilot study. Oxfam GB, May 2021. http://dx.doi.org/10.21201/2021.7581.

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In this sixth instalment of the Going Digital Series, we share our experiences of using computer-assisted telephone interviewing (CATI) software, which was researched and piloted following the outbreak of COVID-19 and the subsequent need for improved remote data collection practices. CATI is a survey technique in which interviews are conducted via a phone call, using an electronic device to follow a survey script and enter the information collected. This paper looks at the experience of piloting the technique in phone interviews with women in Kirkuk Governorate, Iraq.
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Maidment, Andrew D. 2-D and 3-D Digital Analysis of Breast Calcifications: A Technique to Improve Mammographic Specificity. Fort Belvoir, VA: Defense Technical Information Center, June 2001. http://dx.doi.org/10.21236/ada410544.

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Light. L52011 Development of Fieldable Magnet and Digital MIVC Stress Measurement Techniques. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), April 2002. http://dx.doi.org/10.55274/r0010147.

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The objective of this project was to start the process of making the MIVC technique simple and cost effective for use in the field by reducing both the size of the required sensors and instrumentation and the calibration requirements. Three steps were taken to meet this objective: (1) design and build a small, lightweight magnetic circuit that can be handled by a single technician, (2) reduce the number and size of the instruments used to perform the MIVC measurements, and (3) investigate the variability of the MIVC calibration curves among different pipe grades and the feasibility of establishing a universal calibration curve or family of curves.
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