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Dissertations / Theses on the topic 'Coding signals'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Najafzadeh-Azghandi, Hossein. "Perceptual coding of narrowband audio signals." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0033/NQ64628.pdf.

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2

Deutermann, Alan R., and Richard A. Schaphorst. "INTERFRAME CODING OF VIDEO TELEMETRY SIGNALS." International Foundation for Telemetering, 1991. http://hdl.handle.net/10150/612113.

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International Telemetering Conference Proceedings / November 04-07, 1991 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>Television signals have been digitally transmitted for telemetry applications for several years. Reasons for digital transmission include the need for encryption, bandwidth compression, and the efficiency of time division multiplex. All digital coding techniques which have been employed to date, for video telemetry, are based on intraframe technology. In this case each TV frame is coded independently of the previous frames. In most video telemetry scenes there is

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3

Mason, Michael. "Hybrid coding of speech and audio signals." Thesis, Queensland University of Technology, 2001.

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4

Ferrario, Nino. "Fractal coding of displaced frame difference signals." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq24133.pdf.

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5

Xia, Feng. "Perceptual coding for high-quality audio signals." Ohio : Ohio University, 1998. http://www.ohiolink.edu/etd/view.cgi?ohiou1176235728.

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6

Fecker, Ulrich. "Coding techniques for multi-view video signals /." Aachen : Shaker, 2009. http://d-nb.info/993283179/04.

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7

Rasch, Jennifer [Verfasser]. "Signal Adaptive Methods To Optimize Prediction Signals in Video Coding / Jennifer Rasch." Berlin : epubli, 2019. http://d-nb.info/1199686522/34.

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8

Granados, Omar D. "Space-Time Coding for Polynomial Phase Modulated Signals." FIU Digital Commons, 2011. http://digitalcommons.fiu.edu/etd/378.

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Polynomial phase modulated (PPM) signals have been shown to provide improved error rate performance with respect to conventional modulation formats under additive white Gaussian noise and fading channels in single-input single-output (SISO) communication systems. In this dissertation, systems with two and four transmit antennas using PPM signals were presented. In both cases we employed full-rate space-time block codes in order to take advantage of the multipath channel. For two transmit antennas, we used the orthogonal space-time block code (OSTBC) proposed by Alamouti and performed symbol-wi

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9

Trinkaus, Trevor R. "Perceptual coding of audio and diverse speech signals." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/13883.

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10

Davis, Andrew J. "Waveform coding of speech and voiceband data signals." Thesis, University of Liverpool, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.232946.

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11

Kabilafkas, D. "Natural redundancy and coding redundancy in information signals." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/47494.

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12

Zhang, Liyang. "Real-time Coding for Kinesthetic and Tactile Signals." Thesis, KTH, Skolan för elektro- och systemteknik (EES), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-196557.

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The Tactile Internet is at the core of the 5G era, when the world will experience paradigm shift from content-delivery networks to service/labour-delivery ones. Systems that enable wireless communications of haptic data feature bi-directionality, high packet rate and resolution, large degrees of freedom, and above all, strict latency requirements in many applications, aggravating the shortage of wireless resources. Thus, more efficient haptic data reduction techniques are continuously summoned for. Previous studies on haptic compression mostly resort to DPCM/ADPCM plus entropy coding and perc

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13

Ning, Daryl. "Analysis and coding of high quality audio signals." Thesis, Queensland University of Technology, 2003. https://eprints.qut.edu.au/15814/1/Daryl_Ning_Thesis.pdf.

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Digital audio is increasingly becoming more and more a part of our daily lives. Unfortunately, the excessive bitrate associated with the raw digital signal makes it an extremely expensive representation. Applications such as digital audio broadcasting, high definition television, and internet audio, require high quality audio at low bitrates. The field of audio coding addresses this important issue of reducing the bitrate of digital audio, while maintaining a high perceptual quality. Developing an efficient audio coder requires a detailed analysis of the audio signals themselves. It is im

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14

Ning, Daryl. "Analysis and Coding of High Quality Audio Signals." Queensland University of Technology, 2003. http://eprints.qut.edu.au/15814/.

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Digital audio is increasingly becoming more and more a part of our daily lives. Unfortunately, the excessive bitrate associated with the raw digital signal makes it an extremely expensive representation. Applications such as digital audio broadcasting, high definition television, and internet audio, require high quality audio at low bitrates. The field of audio coding addresses this important issue of reducing the bitrate of digital audio, while maintaining a high perceptual quality. Developing an efficient audio coder requires a detailed analysis of the audio signals themselves. It is im

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15

Kong, Der-Hung. "Simulation of coherent signals with forward error correction coding." Thesis, Monterey, Calif. : Naval Postgraduate School, 2007. http://bosun.nps.edu/uhtbin/hyperion.exe/07Mar%5FKong.pdf.

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Thesis (M.S. in Electrical Engineering)--Naval Postgraduate School, March 2007.<br>Thesis Advisor(s): Clark Robertson. "March 2007." Includes bibliographical references (p.47-48). Also available in print.

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16

Biggar, M. J. "Source coding of segmented digital image and video signals." Thesis, Imperial College London, 1987. http://hdl.handle.net/10044/1/38235.

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17

Dabis, Homam Sabih. "The computer enhancement of speech signals." Thesis, University of the West of Scotland, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.304636.

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18

Koshlahjeh-Motamed, Mahmood. "Alternator identification using tailored multifrequency signals." Thesis, London South Bank University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.332030.

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19

Kondoz, Ahmet M. "Digital encoding of speech signals at 16-4.8 KBPS." Thesis, University of Surrey, 1988. http://epubs.surrey.ac.uk/1035/.

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Speech coding at 64 and 32 Kb/s is well developed and standardized. The next bit rate of interest is at 16 Kb/s. Although. standardization has yet to be made, speech coding at 16 Kb/s is fairly well developed. The existing coders can produce good quality speech at rates as low as about 9.6 Kb/s. At present the major research area is at 8 to 4.8 Kb/s. This work deals first of all with enhancing the quality andkcomplexity of some of the most promising coders at 16 to 9.6 Kb/s as well as proposing new alternative coders. For this purpose coders operating at 16 Kb/s and 12 to 9.6 Kb/s have been gr

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20

Khan, Mohammad M. A. "Coding of excitation signals in a waveform interpolation speech coder." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=32961.

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The goal of this thesis is to improve the quality of the Waveform Interpolation (WI) coded speech at 4.25 kbps. The quality improvement is focused on the efficient coding scheme of voiced speech segments, while keeping the basic coding format intact. In the WI paradigm voiced speech is modelled as a concatenation of the Slowly Evolving pitch-cycle Waveforms (SEW). Vector quantization is the optimal approach to encode the SEW magnitude at low bit rates, but its complexity imposes a formidable barrier.<br>Product code vector quantizers (PC-VQ) are a family of structured VQs that circumvent the c

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21

Colin, Alberto, and Arturo Serrano. "TELEMETRY DIGITAL SYSTEM DESIGN USING LINEAL CODING FOR ANALOG SIGNALS." International Foundation for Telemetering, 1986. http://hdl.handle.net/10150/615310.

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International Telemetering Conference Proceedings / October 13-16, 1986 / Riviera Hotel, Las Vegas, Nevada<br>This paper describes the design elements, construction and performance of a digital telemetric system. The system consist of five input channels that are processed and transmitted simultaneously achieving a dynamic range of 72 dB. A linear block coding approach with BCH(7,4) is used to detect two error bits and correct one of them. FSK modulation scheme is used to transmit between two ends located on line of sight 50 Km apart. The system is used in geophysical exploration to transmit

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22

Corr, Patrick H. "A study in the processing of speech signals." Thesis, Queen's University Belfast, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356880.

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23

Donnelly, Peter Gerard. "Adaptive parametric modelling of narrowband signals for sonar applications." Thesis, University of Ulster, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357582.

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24

Tan, Tuan Choon. "Multi-pulse coding of speech signals using adaptive pulse allocation technique." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/47682.

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25

Xiang, Wei. "Nonuniform subband coding of high quality audio signals employing frequency warping." Thesis, University of Central Lancashire, 1996. http://clok.uclan.ac.uk/18834/.

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The research described in this thesis investigates the area of subband coding of high quality digital audio signals. The research into the application of a nonuniform filter bank employing frequency warping to digital audio coding is described. Firstly, some aspects of psychoacoustics, especially masking effects, are studied. Utilising psychoacoustic models, perceptual entropies are calculated for a number of audio excerpts and it is shown that theoretically the bit rate can be reduced to lower than 2 bits per sample. Different types of filter banks are reviewed. To examine the best band split

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26

Al-Neyadi, Hamad Mohamed Abdulla. "Blind recursive multistage constant modulus detector for DS/CDMA signals." Thesis, University of Reading, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288741.

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27

Wong, K. H. J. "Adaptive differential pulse code modulation and sub-band coding of speech signals." Thesis, University of Southampton, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.380170.

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28

Kim, Choon S. "Low bit-rate subband coding of image and video signals using vector quantization." Diss., Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/15889.

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29

Tansony, R. W. (Robert W. ). "A variable rate adaptive transform coder for the digital storage of audio signals /." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63841.

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30

Kudumakis, Panos E. "Synthesis and coding of audio signals using wavelet transforms for multimedia applications." Thesis, King's College London (University of London), 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343479.

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31

Masri, Paul. "Computer modelling of sound for transformation and synthesis of musical signals." Thesis, University of Bristol, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.246275.

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32

Chu, Chung Cheung. "Tree encoding of speech signals at low bit rates." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65459.

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33

Raviraj, C. R. "Adaptive conversational speech communication - analysis and application to integrated services networks." Thesis, University of Essex, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.236291.

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34

Lanciani, Christopher A. "Compressed-domain processing of MPEG audio signals." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/13760.

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35

Soheili, Ramin. "Analysis-by-synthesis coding of speech signals at 8 kb/s and below." Thesis, University of Surrey, 1993. http://epubs.surrey.ac.uk/844116/.

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The desire for instantaneous communication at any time and place has been a long standing dream for people of different races and cultures. The post-war progress of telecommunications technology has made such dreams a reality. Nowadays, most households in the developed world are fitted with telephone sets capable of communicating with anyone, across the globe. Over the last decade or so the demand for these communication services has seen a sharp rise. One factor that is beginning to constain these desires is the available natural resources. Limited bandwidth and high public demand have result

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36

Dhanda, Mungal Singh. "A cochlear model for processing of speech signals, which exhibits nonlinearity, masking and adaptation." Thesis, University of Essex, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316239.

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37

Lynch-Aird, N. J. "20-Bit digitisation and computer modelling of capsule array microphone responses." Thesis, University of Reading, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233141.

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38

Жуйков, В. Я., Ю. В. Хохлов та В. М. Співак. "Завадостійке кодування сигналів в системі дистанційного керування перетворювачами по лініям електромережі". Thesis, Видавництво СумДУ, 2006. http://essuir.sumdu.edu.ua/handle/123456789/22424.

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39

Ong, Choon Kwee. "Performance analysis of DPSK signals with selection combing and convolutional coding in fading channel." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1998. http://handle.dtic.mil/100.2/ADA344673.

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Thesis (M.S. in Electrical Engineering) Naval Postgraduate School, June 1998.<br>"June 1998." Thesis advisor(s): Tri T. Ha, Ralph D. Hippenstiel. Only one copy of this Thesis was sent, still waiting for second copy. Includes bibliographical references (p. 55-56). Also available online.

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40

Rais, Theodor Bernard. "Conserved signals of non coding RNA across 73 genes associated with Autistic Spectrum Disorders." University of Toledo Health Science Campus / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=mco1243549997.

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41

Patz, Ralf. "Time-frequency analysis of Doppler ultrasound blood flow signals : an investigation into automated diagnosis of vascular disease." Thesis, University of South Wales, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.289393.

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42

Geslin, Serge. "Influence of laser diode nonlinearities on fibre optic systems supporting direct-sequence code division multiple access signals." Thesis, University College London (University of London), 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269411.

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43

Fecker, Ulrich [Verfasser]. "Coding Techniques for Multi-View Video Signals : Verfahren zur Codierung von Mehrkamera-Videosignalen / Ulrich Fecker." Aachen : Shaker, 2009. http://d-nb.info/1156517311/34.

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44

Amal, Mehanna. "Novel entropy coding and its application of the compression of 3D image and video signals." Thesis, Brunel University, 2013. http://bura.brunel.ac.uk/handle/2438/11440.

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The broadcast industry is moving future Digital Television towards Super high resolution TV (4k or 8k) and/or 3D TV. This ultimately will increase the demand on data rate and subsequently the demand for highly efficient codecs. One of the techniques that researchers found it one of the promising technologies in the industry in the next few years is 3D Integral Image and Video due to its simplicity and mimics the reality, independently on viewer aid, one of the challenges of the 3D Integral technology is to improve the compression algorithms to adequate the high resolution and exploit the advan

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45

Cieniak, Jakub. "Stimulus Coding and Synchrony in Stochastic Neuron Models." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/20004.

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A stochastic leaky integrate-and-fire neuron model was implemented in this study to simulate the spiking activity of the electrosensory "P-unit" receptor neurons of the weakly electric fish Apteronotus leptorhynchus. In the context of sensory coding, these cells have been previously shown to respond in experiment to natural random narrowband signals with either a linear or nonlinear coding scheme, depending on the intrinsic firing rate of the cell in the absence of external stimulation. It was hypothesised in this study that this duality is due to the relation of the stimulus to the neuron's e

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46

Lui, Gee L., and Kuang Tsai. "DATA-AIDED SYMBOL TIME AND CARRIER PHASE TRACKING FOR PRE-CODED CPM SIGNALS." International Foundation for Telemetering, 1999. http://hdl.handle.net/10150/608733.

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International Telemetering Conference Proceedings / October 25-28, 1999 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>A data-aided approach to symbol time and carrier phase synchronization applicable to general continuous phase modulation (CPM) signals with modulation index 0.5 is described. Simulated BER performance of two receivers equipped with these synchronizers is presented for a GMSK BT=1/5 signal received in noise with constant and dynamic synchronization errors. Results demonstrate that these synchronizers provide a very promising and yet simple solution to the tracking

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47

Singheiser, Martin [Verfasser]. "Coding of auditory signals in narrowband neurons in the inferior colliculus of the barn owl / Martin Singheiser." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2011. http://d-nb.info/1018202528/34.

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48

Mészáros, Tomáš. "Speech Analysis for Processing of Musical Signals." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2015. http://www.nusl.cz/ntk/nusl-234974.

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Hlavním cílem této práce je obohatit hudební signály charakteristikami lidské řeči. Práce zahrnuje tvorbu audioefektu inspirovaného efektem talk-box: analýzu hlasového ústrojí vhodným algoritmem jako je lineární predikce, a aplikaci odhadnutého filtru na hudební audio-signál. Důraz je kladen na dokonalou kvalitu výstupu, malou latenci a nízkou výpočetní náročnost pro použití v reálném čase. Výstupem práce je softwarový plugin využitelný v profesionálních aplikacích pro úpravu audia a při využití vhodné hardwarové platformy také pro živé hraní. Plugin emuluje reálné zařízení typu talk-box a pos

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49

Robinson, Jonathan Edward. "Expectancy violation in visual perception: Characterising the brain signals of prediction error." Thesis, Queensland University of Technology, 2018. https://eprints.qut.edu.au/123710/1/Jonathan_Robinson_Thesis.pdf.

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The brain generates internal models of the world to interpret incoming information and predict future sensation. These models need to be constantly updated so as to maintain accurate predictions. Fundamental to this is the signalling of violated expectations when new evidence contradicts predictions. Recent evidence has identified a candidate brain signal of violated expectation in visual perception. Here I investigate the operating characteristics of this signal and the extent to which it is consistent with indexing visual surprise. Over four experiments I robustly demonstrate response charac

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50

Schütze, Henry [Verfasser]. "On the learning of orthogonal dictionaries for sparse coding and the adaptive hierarchical sensing of sparse and compressible signals / Henry Schütze." Lübeck : Zentrale Hochschulbibliothek Lübeck, 2018. http://d-nb.info/1170371817/34.

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