tensorflow实现图像的裁剪和填充方法
tensorflow里面提供了实现图像进行裁剪和填充的函数,就是tf.image.resize_image_with_crop_or_pad(img,height,width )。img表示需要改变的图像,height是改变后图像的高度,width是宽度。
例如:
import matplotlib.pyplot as plt;
import tensorflow as tf;
image_raw_data_jpg = tf.gfile.FastGFile('11.jpg', 'r').read()
with tf.Session() as sess:
img_data_jpg = tf.image.decode_jpeg(image_raw_data_jpg)
img_data_jpg = tf.image.convert_image_dtype(img_data_jpg, dtype=tf.float32)
crop = tf.image.resize_image_with_crop_or_pad(img_data_jpg, 500, 500)
pad = tf.image.resize_image_with_crop_or_pad(img_data_jpg, 2000, 2000)
plt.figure(1)
plt.imshow(crop.eval())
plt.figure(2)
plt.imshow(pad.eval())
plt.show()结果:

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