ISP - Image Signal Processor
DSP - Digital Signal Processor
ISP is a HW accelerator for known algorithms in the realm of image processing.
There is no access to modify ISP FW or running your own programs on an ISP.
There is a certain amount of control through the driver to impact the behaviour.
DSP is more general purpose in which Hailo utilizes to do the pre & post processing.
The following table summarizes the main functionality utilized on Hailo-15: