Use the correct images for decoding.
Use the correct images for decoding.

Since we have both the image and the invert we need to skip every second image.
We also use skip the initial image which is used more to threshold the image
than as a bit in the process

WearableComputerLab/LibWCL,WearableComputerLab/LibWCL,WearableComputerLab/LibWCL,WearableComputerLab/LibWCL