Oliff PLC
Pulse wave detection device and pulse wave detection program
A pulse wave detection device color converts a frame image of a moving image from RBG components to YIQ components, and identifies an eye section using the eye color of a user prepared in advance with a Q component. Next, the pulse wave detection device uses the Y values of the eye section to detect the brightness of the imaging environment. Then, the pulse wave detection device detects a pulse wave signal Qm on the basis of the average of the Q-values of a skin section in the frame image, corrects a change in the brightness by subtracting from Qm the average value Ye of the Y values of the eye section, and thereby outputs a post-brightness-correction Qm. As a result, a pulse wave can be successfully detected even if the brightness is changing because the user is moving in a vehicle or the like.
EQUOS RESEARCH CO., LTD.
H A H G G G A A G G
H04N A61B H04N G06T G06T G06T A61B A61B G06T G06T
inventional inventional inventional inventional inventional additional inventional inventional inventional additional
Michael Hideo
Jones Yamada