search

3dtof / voxelsdk

VoxelSDK - an SDK supporting TI's 3D Time of Flight cameras
BSD 3-Clause "New" or "Revised" License
107 stars 71 forks source link

how many LUT will be needed for a nonlinear test? #61

Closed kevinliu-ez closed 7 years ago

kevinliu-ez commented 8 years ago

take an example, if 48MHz, if 10 different positions that we like to measure the phase offset, (if testing chart vs camera postion), then, should we need to have 10 x (240x320) LUT table? where is your Voxel sdk call those tables?---tnks for your answers!

larrylisky commented 8 years ago

Nonlinearity compensation is done by OPT9221 online. You will need to program the 16-entry lookup table value. The LUT is phase-to-phase (using nonlinear phase to lookup ideal phase).

kevinliu-ez commented 8 years ago

Hello, Larry, could you help let us know whether to get related calibration kit??? tnks a lot!!!

Kevin Liu，Ph.D GM, eZimage Technology Co. ltd 易積生活科技 0919377901

2016-09-05 1:36 GMT+08:00 Larry Li notifications@github.com:

Nonlinearity compensation is done by OPT9221 online. You will need to program the 16-entry lookup table value. The LUT is phase-to-phase (using nonlinear phase to lookup ideal phase).

— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub https://github.com/3dtof/voxelsdk/issues/61#issuecomment-244616729, or mute the thread https://github.com/notifications/unsubscribe-auth/AMCb1f9J-cRLaaMJTC9xObp1mO8VXNB9ks5qmwGrgaJpZM4HQOb- .

larrylisky commented 8 years ago

Nonlinear calibration is part of VoxelViewer. We don't currently have a kit to offer. Typically one can use a linear positioning stage to perform such calibration.

-Larry

Sent from my iPhone

On Sep 19, 2016, at 10:15 PM, kevinliu-ez notifications@github.com wrote:

Hello, Larry, could you help let us know whether to get related calibration kit??? tnks a lot!!!

Kevin Liu，Ph.D GM, eZimage Technology Co. ltd 易積生活科技 0919377901

2016-09-05 1:36 GMT+08:00 Larry Li notifications@github.com:

Nonlinearity compensation is done by OPT9221 online. You will need to program the 16-entry lookup table value. The LUT is phase-to-phase (using nonlinear phase to lookup ideal phase).

— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub https://github.com/3dtof/voxelsdk/issues/61#issuecomment-244616729, or mute the thread https://github.com/notifications/unsubscribe-auth/AMCb1f9J-cRLaaMJTC9xObp1mO8VXNB9ks5qmwGrgaJpZM4HQOb- .

— You are receiving this because you commented. Reply to this email directly, view it on GitHub, or mute the thread.

gadiyar commented 7 years ago

Nothing to do here.