3D array that represents an image with dimensions (height,width,channels) or (channels,height,width) depending on the data_format.
image_to_array(img, data_format = c("channels_last", "channels_first"))image_array_resize(
img,
height,
width,
data_format = c("channels_last", "channels_first")
)
image_array_save(
img,
path,
data_format = NULL,
file_format = NULL,
scale = TRUE
)
Image
Image data format ("channels_last" or "channels_first")
Height to resize to
Width to resize to
Path to save image to
Optional file format override. If omitted, the format to use is determined from the filename extension. If a file object was used instead of a filename, this parameter should always be used.
Whether to rescale image values to be within 0,255
Other image preprocessing:
fit_image_data_generator(),
flow_images_from_dataframe(),
flow_images_from_data(),
flow_images_from_directory(),
image_load()