ff10.py 文件源码

def filterRows(X, filtLength, filtType='hamming', scaleFilterMethod='max1'):
    if filtType == 'hamming':
        filt = np.hamming(filtLength)
    elif filtType == 'flat':
        filt = np.ones(filtLength)
    else:
        raise RuntimeError("Unknown/unsupported filter type {}".format(filtType))
    if scaleFilterMethod == 'max1':
        filt /= np.max(filt)
    elif scaleFilterMethod == 'sum1':
        filt /= np.sum(filt)

    return filters.convolve1d(X, weights=filt, axis=1, mode='constant')