jpeg_data = tf.placeholder(tf.string)
jpeg_decoder = tf.image.decode_jpeg(jpeg_data)
with tf.gfile.FastGFile(filename,'rb') as f:
image_buffer = f.read()
image = sess.run(jpeg_decoder,feed_dict={jpeg_data:image_buffer})
with tf.gfile.FastGFile(filename,'rb') as f:
image_buffer = f.read()
image = tf.image.decode_jpeg(image_buffer)
image = sess.run(image)
我测试了一下第二种比第一种慢,这是为什么