Embedded can mean many different things, so it's still not clear what the challenge is.. But it sounds to me like you're trying to reduce the amount of code on

Embedded can mean many different things, so it's still not clear what the challenge is.. But it sounds to me like you're trying to reduce the amount of code on the NVM of an MCU, where space is very limited, but you have slower off-chip (QSPI, SDC, ..) memory where you can store images?