imshow

Display image.

📝 Syntax

• imshow(filename)

• imshow(img)

• imshow(RGB)

• imshow(img, [low high])

• imshow(img, [])

• imshow(img, map)

• imshow(..., propertyName, propertyValue)

• go = imshow(...)

📥 Input argument

• filename - row vector character: file name of the image to display.

• img - grayscale image: matrix.

• RGB - truecolor image: m-by-n-by-3 array.

• [low high] - grayscale image display range.

• map - colormap: c-by-3 matrix.

• propertyName - a scalar string or row vector character (for compatibility).

• propertyValue - a value (for compatibility).

📤 Output argument

• go - a graphics object: image type.

📄 Description

imshow(img) displays the image im.

💡 Example

f = figure();
filename = [tempdir, 'apollo_8_earthrise_1968_as08-14-2383.jpg'];
websave(filename, 'https://www.nasa.gov/wp-content/uploads/2025/05/3dmodels-casa-2025-astro.jpg');
h = imshow(filename);

🔗 See also

imread, image, imagesc, colormap.

🕔 History

Version	📄 Description
1.0.0	initial version