可以使用tf.data.Dataset.from_tensor_slices()方法将图像数据集加载到数据集对象中。该方法接受一个包含图像文件路径和对应标签的列表,可以使用tf.constant()将列表转换为张量。 图像解码和处理:使用map()方法对数据集对象中的每个元素进行图像解码和处理操作。可以使用tf.image.decode_image()方法解码图像,并使用tf...
labelsTensor = tf.convert_to_tensor(labelList, dtype = tf.uint8) # 从内存列表中读取文件,此处只读取一个文件,并记录文件位置 queue = tf.train.slice_input_producer([imagesTensor, labelsTensor]) # 提取图片内容和标签内容,一定注意数据之间的转化; image_content = tf.read_file(queue[0]) imageData...
image=cv2.imread(filename)#Create a Tensorflow variableimage_tensor = tf.placeholder('uint8', [None, None, 3]) with tf.Session() as sess:#image_flap = tf.transpose(image_tensor, perm = [1,0,2])#sess.run(tf.global_variables_initializer())result = sess.run(image_tensor, feed_dict ...
images_tensor = tf.convert_to_tensor(filenames, dtype=tf.string) labels_tensor = tf.convert_to_tensor(labels, dtype=tf.uint8) file = tf.train.slice_input_producer([images_tensor, labels_tensor]) image_content = tf.read_file(file[0]) index = file[1] image_data = tf.image.convert_...
show_image(bi_result,"bilinear-zoom")1 2 3 4 5 6 7 8 9 10 显示图像如下:2.图像亮度调整 图像亮度是图像基本属性之一,tensorflow支持两种方式API对图像亮度进行调整 - tf.image.adjust_brightness - tf.image.random_brightness 使用上述API的时候需要对图像进行维度添加为四维的tensor数据,完整的图像亮度...
A Tensor of type float32. 4-D with shape [batch, new_height, new_width, channels]. 2、crop介绍以下几个函数: tf.image.resize_image_with_crop_or_pad(image, target_height, target_width) tf.image.pad_to_bounding_box(image, offset_height, offset_width, target_height, target_width) ...
image-20240525164458973 简单损失函数:除了感知损失外,还定义了依赖于低级像素信息的简单损失函数,如像素损失和总变分正则化。 实验:在风格迁移和单图像超分辨率两个图像转换任务上进行了实验,展示了所提方法与现有方法的比较,并讨论了结果。 结论:作者通过将前馈图像转换任务和基于优化的图像生成方法的优点结合起来,使用...
Decode a PNG-encoded image to a uint8 tensor. 将一个png编码的图像解码成一个uint8张量。 The attrchannelsindicates the desired number of color channels for the decoded image. 参数"channels"表示解码图像所需的颜色通道数量。 Accepted values are: ...
# Feed the image_data as input to the graph and get first prediction withtf.Session()assess: softmax_tensor = sess.graph.get_tensor_by_name('final_result:0') predictions = sess.run(softmax_tensor, {'DecodeJpeg/contents:0': image_data}) ...
Figure 4-2.The checkered 4 x 3 TensorFlow.js image You’re not limited to RGB, as you might have expected; adding a fourth value to the RGB dimension of a tensor will add an alpha channel. Much like in web color,#FFFFFF00would be white at zero opacity, and a tensor pixel with a...