Retinal Prosthesis Dissertation - Student Home Pages

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--Appendix E FPGA Outputs `Sender’ design summary “Design Summary” facility; a recent (December 2010) screenprint is shown here: imp_send_16 Project Status (12/31/2010 - 14:29:37) Project File: Module Name: imp_send_16.ise Implementation State: Programming Generated top_wrapper Errors: No Errors File Target Device: xc5vlx50t-3ff1136 Warnings: 27 Warnings Product Version: ISE 11.4 Routing Results: All Signals Completely Routed Design Goal: Balanced Timing Constraints: All Constraints Met Design Strategy: Xilinx (unlocked) Default Final Timing Score: 0 (Setup: 0, Hold: 0) (Timing Report) Device Utilization Summary [-] Slice Logic Utilization Used Available Utilization Note(s) Number of Slice Registers 139 28,800 1% Number used as Flip Flops 136 Number used as Latches 3 Number of Slice LUTs 201 28,800 1% Number used as logic 198 28,800 1% Number using O6 output only 105 Number using O5 output only 90 Number using O5 and O6 3 Number used as exclusive routethru Number of route-thrus 93 Number using O6 output only 93 Number of occupied Slices 67 7,200 1% Number of LUT Flip Flop pairs used 219 Number with an unused Flip Flop 80 219 36% 3 171 of 200
Number with an unused LUT 18 219 8% Number of fully used LUT-FF pairs Number of unique control sets 6 Number of slice register sites lost to control set restrictions 121 219 55% 9 28,800 1% Number of bonded IOBs 23 480 4% IOB Flip Flops 4 Number of BlockRAM/FIFO 1 60 1% Number using BlockRAM only 1 Number of 18k BlockRAM used 1 Total Memory used (KB) 18 2,160 1% Number of BUFG/BUFGCTRLs 4 32 12% Number used as BUFGs 4 Number of DCM_ADVs 1 12 8% Average Fanout of Non-Clock Nets 2.65 Performance Summary [-] Final Score: Timing Routing Results: Timing Constraints: 0 (Setup: 0, Hold: 0) All Signals Completely Routed All Constraints Met Pinout Data: Pinout Report Clock Data: Clock Report Detailed Reports [-] Report Name Status Generated Errors Warnings Infos Synthesis Report Translation Report Map Report Place and Route Report Power Report Current Current Current Current Out Date Post-PAR Static Current Timing Report of Fri 31. Dec 14:24:49 2010 Fri 31. Dec 14:25:04 2010 Fri 31. Dec 14:25:48 2010 Fri 31. Dec 14:27:00 2010 Fri 8. Oct 14:06:21 2010 Fri 31. Dec 14:27:20 2010 0 23 Warnings 0 0 0 0 4 Warnings 1 Info 6 Infos 0 0 4 Infos 0 5 Warnings 1 Info 0 0 3 Infos 172 of 200
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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
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4.1 Sender concepts From chapter on
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pixel must equate to 0.02/1024 i.e.
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Clocking hierarchy (32 by 32 image)
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the number of address bits will alt
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Translation report, (3) Map report,
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90 of 200 CLKIN_IN RST_IN pixelcloc
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incorporate colour planes for each
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Chapter 5 Receiver chip The followi
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5.2 Power Analysis Xilinx FPGAs hav
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98 of 200 produce_wire _outputs Ins
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5.5.1 Incoming (short) AER stream T
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Receiver Red plane r1 DAC (4-bit) T
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5.8.2 Electrode size and positionin
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sequence of wiring from the receive
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does this is to inject an equivalen
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6.2.2 Envisaged retinal array This
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a monochrome camera in this space i
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632mW) thus extending battery life
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For the implemented/structural case
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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 and 132: 172. Singh, P.R., et al. A matched
Page 133 and 134: 206. Stieglitz, T., et al. Developm
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: FPGA Receiver (structural) chip IO_
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|
Page 183 and 184: Part | xc5vlx50tff1136-3 | Process
Page 185 and 186: Selected Device: 5vlx50tff1136-3 Sl
Page 187 and 188: used in combination with MAP -timin
Page 189 and 190: Data Sheet report: ----------------
Page 191 and 192: “For these implantable devices to
Page 193 and 194: microstimulator with a 1:4 demultip
Page 195 and 196: “Medical experiments have estimat
Page 197 and 198: A Retinomorphic Vision System “In
Page 199 and 200: “The common language of neuromorp
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