Chapter 1
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Which package(s) are required to load an image from a disk?
In order to load an image you are required to have Images.jl package. -
Which package is required to download a file from the internet?
No packages are required. download function is part of Julia Base package. -
Which types of files/file extensions are returned by the readdir function?
readdir returns all files in a folder. -
Which function is used to save an image to disk? What are the prerequisites for saving a file to disk?
save function is used to save file to disk. It accepts 2 parameters - destination path with file name in one of the image formats, such as png or jpg and image in Julia Images file. Destination path (folder) should exist on disk. -
What is the most noticeable difference when saving images in JPG or PNG formats?
There are few noticeable difference - first PNG can keep the transparency...
