Row-Rearrangement for Redwood Cameras with Gpixel GSprint Sensors

Row-Rearrangement for Redwood Cameras with Gpixel GSprint Sensors

Camera: Redwood 210G230xCX

Sensor: GSPRINT 4521

Introduction:
Redwood cameras with Gpixel GSprint sensors require row-rearrangement processing due to the non-sequential row readout order of the sensors. The GSPRINT4521 image sensor readout is split into four quadrants to maximize the output frame rate. The final output of the 210G230 models is standard left to right horizontal scan, but alternates lines from the top and bottom of the image for vertical scanning. See Figure below for simple example of the output vertical scanning. This output is defined as “1X-2YE” output tap scan geometry in the CoaXPress specification. The 210G230 models specify 1X-1Y as the TapG Code in the CXP Bootstrap registers since only one stream is used to output both taps. A display filter must be applied at the receiver to properly view images. Contact IO Industries Support for more information.



This row-rearrangement processing may be automatically applied or may require manual steps in order for it to be enabled. This article will show how this works with different devices the Redwood camera may be connected to, including DVR Express Core 2 MAX, RodeoCX, and frame grabber cards from Bitflow and Euresys.

A) Rodeo + 210G230xCX
Rodeo should be programmed with RodeoCX Gsprint firmware (for use with Redwood models 210G230CCX and 210G230MCX). Then, image should be properly displayed.

Note: if Rodeo is programmed with a different firmware or the Camera is programmed with a non-Gsprint firmware once you open Client, the discovery mode will prompt a warning about the incompatibility.

B) Core2Max + 210G230xCX
Step 1: For Live display always chose “Full-size” at the Connect tab.


Step 2: For Conversion, select if not auto selected already “Dual Tap Top Bottom”


Step 3: Always select Live Quality as “Prefer PC” to get supported Output formats working properly


Note: If any of the previous steps is missed there will not be Live Display.

C) Bitflow Claxon-CXP4 + 210G230xCX
Note: For more informationon Bitflow card, please refer to: https://www.bitflow.com/products/coaxpress/claxon-cxp4/

Step 1: Connect camera to frame grabber and open Ximilon (BitFlow) application. Then, run the sysreg program in command prompt as it tells the current .BFML file it's using.


Step 2: Click on the "Configure" button to see the file used and the one that should be copy and modified.


Step 3: This is the file that needs to be updated.


Step 4: Copy this file and set the "tap_format" to "1X-2YE".
Note: Keep a copy of the original file in another accessible folder so you can re use if needed.


Step 5: Test, and make sure images are displayed properly.
      1. Before (Format = Standard)


      2. After (Format = 1X-2YE)


D) Euresys CoaXLink QSFP+ + 210G230CCQ
Note: For more information about this Euresys card, please refer to: https://www.euresys.com/en/Products/Frame-Grabbers/Coaxlink-series/Coaxlink-QSFP-Plus

Step 1: Connect camera to frame grabber and open Euresys application.
Step 2: Select Data Streams/Stream0, 1X2YE tab, change the LineWidth/LinePitch (in BYTES) to 5120 each, and go to StripeArragement option and select “Geometry_1X_2YE <2 taps arranged top-down and bottom-up>”.


Step 3: Test, and make sure images are displayed properly.
      1. Before Enabling 1X2YE line reordering option.

      
      2. After Enabling 1X2YE line reordering option.



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