jbonyun
jbonyun
/ SquareWaveWithLEDMove.ino
Created
September 24, 2019 16:50
Arduino code to send a synchronizing signal to cameras
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| // JB 20130421 | |
| // output square wave + LED frame counter + LED sub-frame measurement | |
| // Square Wave: sent to FSIN on the cameras, maintaining the frame rate | |
| // Counter: LEDs count in binary for each frame | |
| // Sub-frame: each of 8 LEDs lights up in turn, 1/8th of the way through a frame | |
| // constants for pins | |
| // pins for input switches | |
| const int LEDSWITCHPIN = 48; | |
| const int SYNCSWITCHPIN = 50; |
jbonyun
/ simple_cb.py
Created
September 13, 2019 05:21
— forked from DavidYKay/simple_cb.py
Simple color balance algorithm using Python 2.7.8 and OpenCV 2.4.10. Ported from: http://www.morethantechnical.com/2015/01/14/simplest-color-balance-with-opencv-wcode/
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| import cv2 | |
| import math | |
| import numpy as np | |
| import sys | |
| def apply_mask(matrix, mask, fill_value): | |
| masked = np.ma.array(matrix, mask=mask, fill_value=fill_value) | |
| return masked.filled() | |
| def apply_threshold(matrix, low_value, high_value): |