Using ImageMagick to convert a 4:2:2 YCrCb raw image to something viewable

Some electronic imaging system dumped a 4:2:2 YCbCr raw image into a file. It’s a debug output. Now I wanted to see this image. GIMP doesn’t import that format. ImageMagick had the solution. It was as simple as convert -size 800x600 pal:ImageOut.raw ImageOut.bmp I don’t know why they picked the codename “pal” to represent 4:2:2 [...]

Posted Under: Linux,Signal Processing,Software
This post was written by eli on February 28, 2009 Comments (3)

Xilinx FPGA MPPR script

I reached that point, at which place and route sometimes met timing, and sometimes it didn’t. It was all a matter of playing with the placer cost table number. The FPGA guy’s gambling for lucky numbers. The ISE tool (Xilinx’ native IDE) supports an feature called Multi-Phase Place and Route (MPPR for short), which basically [...]

Posted Under: FPGA,Linux,Software
This post was written by eli on February 28, 2009 Comments (0)