Exemplo n.º 1
0
def cross(history):
    """Iterate by crossing history and history[1:]
    """
    backup = 0

    if len(history):
        yield state.start(), history[0][0], 1

        for (s1, t1), (s2, t2) in izip(history, history[1:]):
            duration = t2 - t1

            if s1 == s2:
                backup += duration
            else:
                if backup + duration <= MAX_DURATION \
                        and not state.terminal(s1):
                    yield s1, s2, backup + duration
                else:
                    yield s1, state.finish(), 1
                    yield state.start(), s2, 1
                backup = 0
        yield history[-1][0], state.finish(), 1
Exemplo n.º 2
0
def split(history):
    """Split history into segmentation
    """
    splitted = []
    segmented = []

    for h in cross(history):
        s1, s2, dt = h
        segmented.append(h)

        if s2 == state.finish():
            splitted.append(segmented)
            segmented = []

    return splitted