Jetson Xavier NX Interleave HDR

[ehailey]

Hello, I’ve been working on a driver for the OV2740 image sensor and I’m trying to figure out if the Jetson Xavier NX supports interleaved row HDR. This HDR mode interlaces long and short exposure lines in the pixel array. It’s my understanding that the Jetson would have to combine two half-sized images into a single half sized HDR image.

Here is an image without row interleaved HDR enabled:

Here is an image with row interleaved HDR enabled:

[ehailey]

Any help would be greatly appreciated!

[ShaneCCC]

Follow below to set the parameters to check if can help.

IMX577 DOL HDR Device Tree

For WDR you still need create camera_overrides.isp file at /var/nvidia/nvcam/settings and change mode to 664 And add below to the overrides file. wdr.DOL.v4.EnableDOL = TRUE; ae.wdr.DreMin = FER; ae.wdr.DreMax = FER; Check the FER from below Also the exposure ratio needs to be fixed value, preferably a power of 2. This fixed exposure ratio needs to obeys the following constraints: a. Short exposure time lower limit * fixed exposure ratio >= Long exposure time lower limit. b. Short expos…