Retinal Prosthesis Dissertation - Student Home Pages

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An Address Event Representation (AE
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Abstract\Foreword This document pro
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Contents An Address Event Represent
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--Appendix E FPGA Outputs .........
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Figure 48 receiver rtl_16 .........
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Chapter 1 Introduction/research aim
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foveola (fovea pit) there is a one
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NB that the photoreceptors of the f
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electrodes to be driven implies sti
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Typically AER is used as a multi se
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Real time - innerpulse relationship
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the post processing stage of this w
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Appendix C: FPGA Sender chip Append
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Red (660nm) R / G Red ( 620750nm )
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1 0 1 1 0 0 1 1 0 1 1 1 Table 3 `xo
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Adaptive linear combiner w 0 1 Let
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is correct (one class) and -1 (the
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x2 Linear separation 1.00 0.90 0.80
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This is also the Cartesian co-ordin
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2.4 Comparison to Frame Based Repre
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Typical GOP structure (Typically an
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point is an event occurs for spike
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2.5.1 Files in Appendix A “ycut.m
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MPEG-2 setup AER setup Camera Camer
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2.6.2 FPGA representation of epi_re
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Chapter 3 Concepts An epiretinal im
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AER Transmission lines INPUT image
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electrical pulse generated is calle
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Figure 25 Retinal colour processing
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cells to modulate this luminance pa
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L+ M- + - R-G G-R B-Y Y-B Note: L(r
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3.6.2 Retinal operations Light reac
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quantified by number of cycles pres
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(Where * is the convolution operato
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T frame C * R * M p Tpacket i.e. Tp
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e relaxed and from (2) the temporal
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one tw o three four five six seven
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3.8.1 Other test images For other b
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Tspike (4ms) Ispike (16ms: interspi
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INDIGO ORANGE YELLOW MAGENTA CYAN B
Page 81 and 82: 4.1 Sender concepts From chapter on
Page 83 and 84: pixel must equate to 0.02/1024 i.e.
Page 85 and 86: Clocking hierarchy (32 by 32 image)
Page 87 and 88: the number of address bits will alt
Page 89 and 90: Translation report, (3) Map report,
Page 91 and 92: 90 of 200 CLKIN_IN RST_IN pixelcloc
Page 93 and 94: incorporate colour planes for each
Page 95 and 96: Chapter 5 Receiver chip The followi
Page 97 and 98: 5.2 Power Analysis Xilinx FPGAs hav
Page 99 and 100: 98 of 200 produce_wire _outputs Ins
Page 101 and 102: 5.5.1 Incoming (short) AER stream T
Page 103 and 104: Receiver Red plane r1 DAC (4-bit) T
Page 105 and 106: 5.8.2 Electrode size and positionin
Page 107 and 108: sequence of wiring from the receive
Page 109 and 110: does this is to inject an equivalen
Page 111 and 112: 6.2.2 Envisaged retinal array This
Page 113 and 114: a monochrome camera in this space i
Page 115 and 116: 632mW) thus extending battery life
Page 117 and 118: For the implemented/structural case
Page 119 and 120: The sender and receiver circuitry p
Page 121 and 122: Bibliography 1. Woodburn R. Murray
Page 123 and 124: 38. Banks, D.J., P. Degenaar, and C
Page 125 and 126: 74. Freeman, J.A., Skapura, D. M.,
Page 127 and 128: 109. Weiland, J.D., et al. Progress
Page 129 and 130: 141. Indiveri G. Chicca E. Douglas
Page 131: 172. Singh, P.R., et al. A matched
Page 135 and 136: xmixedsource; numberOfFrames = 8; f
Page 137 and 138: %check {k} =imread (['D:\abc\subima
Page 139 and 140: %Two for loops the first (outer loo
Page 141 and 142: %Row break rr6c1=000; rr6c2=000; rr
Page 143 and 144: --Appendix B FPGA Test setup librar
Page 145 and 146: stream_blue_pulse_count: out std_lo
Page 147 and 148: DVI_XCLK_P clock_25MHz, spike_cloc
Page 149 and 150: use IEEE.STD_LOGIC_UNSIGNED.ALL; --
Page 151 and 152: --Appendix C FPGA Sender chip libra
Page 153 and 154: -- else -- resit '1', CLKDV_OUT =>
Page 155 and 156: FPGA Receiver (structural) chip --A
Page 157 and 158: FPGA Receiver (structural) chip --E
Page 159 and 160: FPGA Receiver (structural) chip --r
Page 161 and 162: FPGA Receiver (structural) chip blu
Page 163 and 164: FPGA Receiver (structural) chip con
Page 165 and 166: FPGA Receiver (structural) chip --s
Page 167 and 168: FPGA Receiver (structural) chip --
Page 169 and 170: FPGA Receiver (structural) chip --
Page 171 and 172: FPGA Receiver (structural) chip IO_
Page 173 and 174: Number with an unused LUT 18 219 8%
Page 175 and 176: IO Utilization: Number of IOs: 26 N
Page 177 and 178: The Slice Logic Distribution report
Page 179 and 180: Router effort level (-rl): Standard
Page 181 and 182: oming_clock | HOLD | 0.519ns| | 0|
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Part | xc5vlx50tff1136-3 | Process
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Selected Device: 5vlx50tff1136-3 Sl
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used in combination with MAP -timin
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Data Sheet report: ----------------
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“For these implantable devices to
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microstimulator with a 1:4 demultip
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“Medical experiments have estimat
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A Retinomorphic Vision System “In
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“The common language of neuromorp
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