用LBP算子提取人脸特征，用深度学习训练验证识别人脸 识别率92%

import matplotlib.pyplot as plt epoch = range(800) losses=[3.702533, 3.7782595, 3.70759, 3.6965322, 3.7100809, 3.681564, 3.6885152, 3.673914, 3.692577, 3.6834853, 3.678094, 3.6886945, 3.6800945, 3.674821, 3.6701884, 3.6682103, 3.670442, 3.6665287, 3.66685, 3.6709323, 3.661217, 3.6616983, 3.6559744, 3.654373, 3.6546657, 3.6498373, 3.6466854, 3.6439812, 3.6347423, 3.624842, 3.6409388, 3.6231594, 3.6175497, 3.6248908, 3.617646, 3.6035078, 3.597857, 3.5908508, 3.586143, 3.568523, 3.5633695, 3.5419738, 3.531703, 3.5384433, 3.5483072, 3.4803176, 3.4991565, 3.4850786, 3.4506528, 3.4823747, 3.4258602, 3.492745, 3.4014661, 3.4154584, 3.4545681, 3.4750617, 3.373154, 3.7801297, 3.4973376, 3.387513, 3.2929592, 3.3045309, 3.5548215, 3.3943946, 3.2747524, 3.2179387, 3.275807, 3.3524268, 3.3612237, 3.2027059, 3.3351183, 3.3457017, 3.1946654, 3.1986504, 3.3383358, 3.2851207, 3.1959403, 3.073331, 3.0764656, 3.0632012, 3.034492, 3.1005628, 3.0855463, 3.238665, 3.0421116, 2.9569132, 2.999722, 2.9631152, 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