TensorFlow 1 version |
Image processing and decoding ops.
See the Images guide.
Classes
Functions
adjust_brightness(...)
: Adjust the brightness of RGB or Grayscale images.
adjust_contrast(...)
: Adjust contrast of RGB or grayscale images.
adjust_gamma(...)
: Performs Gamma Correction on the input image.
adjust_hue(...)
: Adjust hue of RGB images.
adjust_jpeg_quality(...)
: Adjust jpeg encoding quality of an image.
adjust_saturation(...)
: Adjust saturation of RGB images.
central_crop(...)
: Crop the central region of the image(s).
combined_non_max_suppression(...)
: Greedily selects a subset of bounding boxes in descending order of score.
convert_image_dtype(...)
: Convert image
to dtype
, scaling its values if needed.
crop_and_resize(...)
: Extracts crops from the input image tensor and resizes them.
crop_to_bounding_box(...)
: Crops an image to a specified bounding box.
decode_and_crop_jpeg(...)
: Decode and Crop a JPEG-encoded image to a uint8 tensor.
decode_bmp(...)
: Decode the first frame of a BMP-encoded image to a uint8 tensor.
decode_gif(...)
: Decode the frame(s) of a GIF-encoded image to a uint8 tensor.
decode_image(...)
: Function for decode_bmp
, decode_gif
, decode_jpeg
, and decode_png
.
decode_jpeg(...)
: Decode a JPEG-encoded image to a uint8 tensor.
decode_png(...)
: Decode a PNG-encoded image to a uint8 or uint16 tensor.
draw_bounding_boxes(...)
: Draw bounding boxes on a batch of images.
encode_jpeg(...)
: JPEG-encode an image.
encode_png(...)
: PNG-encode an image.
extract_glimpse(...)
: Extracts a glimpse from the input tensor.
extract_jpeg_shape(...)
: Extract the shape information of a JPEG-encoded image.
extract_patches(...)
: Extract patches
from images
.
flip_left_right(...)
: Flip an image horizontally (left to right).
flip_up_down(...)
: Flip an image vertically (upside down).
generate_bounding_box_proposals(...)
: Generate bounding box proposals from encoded bounding boxes.
grayscale_to_rgb(...)
: Converts one or more images from Grayscale to RGB.
hsv_to_rgb(...)
: Convert one or more images from HSV to RGB.
image_gradients(...)
: Returns image gradients (dy, dx) for each color channel.
is_jpeg(...)
: Convenience function to check if the 'contents' encodes a JPEG image.
non_max_suppression(...)
: Greedily selects a subset of bounding boxes in descending order of score.
non_max_suppression_overlaps(...)
: Greedily selects a subset of bounding boxes in descending order of score.
non_max_suppression_padded(...)
: Greedily selects a subset of bounding boxes in descending order of score.
non_max_suppression_with_scores(...)
: Greedily selects a subset of bounding boxes in descending order of score.
pad_to_bounding_box(...)
: Pad image
with zeros to the specified height
and width
.
per_image_standardization(...)
: Linearly scales each image in image
to have mean 0 and variance 1.
psnr(...)
: Returns the Peak Signal-to-Noise Ratio between a and b.
random_brightness(...)
: Adjust the brightness of images by a random factor.
random_contrast(...)
: Adjust the contrast of an image or images by a random factor.
random_crop(...)
: Randomly crops a tensor to a given size.
random_flip_left_right(...)
: Randomly flip an image horizontally (left to right).
random_flip_up_down(...)
: Randomly flips an image vertically (upside down).
random_hue(...)
: Adjust the hue of RGB images by a random factor.
random_jpeg_quality(...)
: Randomly changes jpeg encoding quality for inducing jpeg noise.
random_saturation(...)
: Adjust the saturation of RGB images by a random factor.
resize(...)
: Resize images
to size
using the specified method
.
resize_with_crop_or_pad(...)
: Crops and/or pads an image to a target width and height.
resize_with_pad(...)
: Resizes and pads an image to a target width and height.
rgb_to_grayscale(...)
: Converts one or more images from RGB to Grayscale.
rgb_to_hsv(...)
: Converts one or more images from RGB to HSV.
rgb_to_yiq(...)
: Converts one or more images from RGB to YIQ.
rgb_to_yuv(...)
: Converts one or more images from RGB to YUV.
rot90(...)
: Rotate image(s) counter-clockwise by 90 degrees.
sample_distorted_bounding_box(...)
: Generate a single randomly distorted bounding box for an image.
sobel_edges(...)
: Returns a tensor holding Sobel edge maps.
ssim(...)
: Computes SSIM index between img1 and img2.
ssim_multiscale(...)
: Computes the MS-SSIM between img1 and img2.
total_variation(...)
: Calculate and return the total variation for one or more images.
transpose(...)
: Transpose image(s) by swapping the height and width dimension.
yiq_to_rgb(...)
: Converts one or more images from YIQ to RGB.
yuv_to_rgb(...)
: Converts one or more images from YUV to RGB.