image_ocr.py 文件源码

python
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项目:keras-customized 作者: ambrite 项目源码 文件源码
def on_epoch_end(self, epoch, logs={}):
        self.model.save_weights(os.path.join(self.output_dir, 'weights%02d.h5' % (epoch)))
        self.show_edit_distance(256)
        word_batch = next(self.text_img_gen)[0]
        res = decode_batch(self.test_func, word_batch['the_input'][0:self.num_display_words])
        if word_batch['the_input'][0].shape[0] < 256:
            cols = 2
        else:
            cols = 1
        for i in range(self.num_display_words):
            pylab.subplot(self.num_display_words // cols, cols, i + 1)
            if K.image_dim_ordering() == 'th':
                the_input = word_batch['the_input'][i, 0, :, :]
            else:
                the_input = word_batch['the_input'][i, :, :, 0]
            pylab.imshow(the_input.T, cmap='Greys_r')
            pylab.xlabel('Truth = \'%s\'\nDecoded = \'%s\'' % (word_batch['source_str'][i], res[i]))
        fig = pylab.gcf()
        fig.set_size_inches(10, 13)
        pylab.savefig(os.path.join(self.output_dir, 'e%02d.png' % (epoch)))
        pylab.close()
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