此筆記根據 Matlab 的說明文件步驟
The basic data structure in MATLAB®, the array, is naturally suited to the representation of images. Using toolbox functions, you can import image data into the workspace from supported graphics files or scientific file formats. Conversely, you can export data from the workspace to a file in a supported graphics file or scientific file format. In addition, you can convert images from one format to another, or from one data type to another.
Generic File Import and Export
Work with Specialized File Formats
High dynamic range (HDR) images attempt to capture the whole range of brightness levels in real-world scenes (called scene-referred). HDR images contain a high level of detail, close to the range of human vision and exceeding the display range of the typical computer monitor. The toolbox includes functions that enable you to read, create, and write HDR images, and to reduce the dynamic range for display using tone-mapping.
Read and navigate very large images
A very large image may not fit into memory, which makes it challenging to display and process. The [blockedImage](<https://www.mathworks.com/help/images/ref/blockedimage.html>) object solves this problem by representing an image as a collection of smaller blocks of data that can be independently loaded and processed. A blockedImage object can support large images and images with one or multiple resolution levels.