litamin
litamin
/ ESP32-Cam Pixel Downsampling
Last active
May 21, 2020 23:05
ESP32-Cam Pixel Downsampling - read out downsampled RGB pixels pretty pretty fast!
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| // Code based on BITLUNI's ESP32-cam work | |
| // the size you want to downsample to | |
| int newWidth = 40; | |
| int newHeight = 30; | |
| int DSF = 160 / newWidth; // Down Sampling Factor - ideally DSF should be 4, 8 or 16.. so that the bitshifting happening below is accurate | |
| void downSample(unsigned char *frame) | |
| { |