[HN Gopher] High Performance Image Sensor Processing Using FPGAs...
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       High Performance Image Sensor Processing Using FPGAs [pdf]
        
       Author : teleforce
       Score  : 79 points
       Date   : 2025-07-07 02:36 UTC (20 hours ago)
        
 (HTM) web link (oda.uni-obuda.hu)
 (TXT) w3m dump (oda.uni-obuda.hu)
        
       | mikewarot wrote:
       | That's quite an extensive tour through the world of image signal
       | processing.
       | 
       | I can't quite grok the filter added to the DDS to generate
       | twiddle factors for FFTs. I'll have to re-read that section a few
       | time for it to sink in.
        
       | qoez wrote:
       | FPGAs? This is something I assumed was processed long ago with
       | ASICs
        
         | 0xfedcafe wrote:
         | what do you mean? in image processing or in general? in general
         | they're used a lot where performance is important, especially
         | in high frequency trading, crypto-mining, etc. also they're
         | quite important for image processing in defence/medical
         | imaging.
        
         | fennecbutt wrote:
         | But asics are a big $$$ ask.
        
         | meindnoch wrote:
         | Sure. If you buy like a million units.
        
         | wmf wrote:
         | Yes, many SoCs already have an ISP core. Maybe FPGAs are used
         | in low-volume specialized cameras.
        
         | 15155 wrote:
         | Every digital ASIC design is simulated on FPGAs first.
        
       | kvemkon wrote:
       | > 3.5 Hardware Implementation of Flat-Field Correction
       | 
       | Shouldn't one use some hardware description language (HDL) in
       | such chapters? Or I've overlooked where the code is placed?
        
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       (page generated 2025-07-07 23:02 UTC)