Measurement of Pressure Mattress

Healthcare-Robotics / bodies-at-rest

Code + Data for CVPR 2020 oral paper "Bodies at Rest: 3D Human Pose and Shape Estimation from a Pressure Image using Synthetic Data."

Other

62 stars 8 forks source link

Measurement of Pressure Mattress #6

Closed aajikar closed 3 years ago

aajikar commented 3 years ago

HI Henry,

What are the physical dimension of the pressure mattress that was used with real patients? More specifically the dimension of the sensing area?

I was reading through your paper and I saw that the sensors form an array of 64x27; the top and bottom 9cm do not have sensors, and 6cm on the sides don't have sensors.

Just wanted to know how big the mattress area is in inches or cm.

henryclever commented 3 years ago

Hi,

Sorry I was in the middle of moving and the last couple weeks have been very hectic.

The sensing area is nominally 64 inches x 27 inches. However, it's not exactly that. In terms of meters:

Pressure mat: 0.0286 64 x 0.0286 27/1.04 = 1.83 x 0.7425 meters
Mattress: 0.0286 68 x 0.0286 33/1.04 = 1.945 x 0.9075 meters

This may be off very slightly (i.e. a few mm for the mat) but it's pretty darn close. And the fabric is somewhat stretchable so it's not exact from that either.

-Henry