Patent ID: 11972561
Assignee: CANON U.S.A., INC.
Field: Computer technology (Electrical engineering)
Classification: CPC A  G | IPC G

Claim 8:
9. The device of claim 1, wherein one or more of the following:
(i) the one or more processors further operate to, for a predetermined number of frames or images in a row, determine whether a target or an arterial wall is visible;
(ii) the one or more processors further operate to, for a predetermined number of frames or images in a row, determine whether a target or an arterial wall is visible, and the predetermined number of frames or images in a row is one or more of the following: three, four, five, and/or six;
(iii) the one or more processors further operate to, for a predetermined number of frames or images in a row, determine whether a target or an arterial wall is visible, and in a case where the target or the arterial wall is visible, the one or more processors trigger the automatic pullback;
(iv) the counter operates to ensure that blood is cleared enough so the automatic pullback is synchronized with an improved or optimal clearing state;
(v) the counter is increased each time a clearance state is detected; and/or
(vi) the one or more processors further operate to, for a predetermined number of frames or images in a row, determine whether a target or an arterial wall is visible, and the one or more processors further operate to detect whether a number of non-overlapping to BIA objects is greater than a predetermined threshold such that it is determined that the target or arterial wall is revealed or visible and such that the blood is flushed to indicate a clearance state, wherein the predetermined threshold is three or more or greater than three.