imfinfocv
Gets information about an image with the image's ComputerVision handle, without re-reading the image again.
Syntax
R = imfinfocv(handle)
Inputs
- handle
- Handle of the image from a imreadcv command.
Outputs
- R
- The resulting structure with information about the image in handle.
R contains the following fields:
- Channel type:
- Channel type used in ComputerVision for data layout.
- Channels
- Channels in the image. 1 for Grayscale images, 3 for RGB images and 4 for RGB images with the alpha channel.
- Height
- Height of the image in pixels.
- Pixel depth
- Depth of the image.
- Size in bytes
- Size of the image in bytes.
- Type
- Image type in ComputerVision library.
- Width
- Width of the image in pixels.
- Width step
- Width of each step (row) in the image.
Example
handle = imreadcv('img1.png');
R = imfinfocv(handle)
ans = struct [
Channel type: CV_8UC4
Channels: 4
Height: 200
Pixel depth: 0
Size in bytes: 40000
Type: 24
Width: 200
Width step: 800
]