Use opencv to display dicom
时间: 2023-10-09 19:11:29 浏览: 84
To display DICOM images using OpenCV, you need to first read the DICOM file using a DICOM library like pydicom and then convert the pixel data to a format that can be displayed in OpenCV. Here is an example code snippet:
```python
import cv2
import pydicom
# read the DICOM file
ds = pydicom.dcmread('path/to/dicom/file')
# get the pixel data as a numpy array
pixel_data = ds.pixel_array
# convert the pixel data to a format that can be displayed in OpenCV
# for example, normalize the values to the range [0, 255]
pixel_data = cv2.normalize(pixel_data, None, 0, 255, cv2.NORM_MINMAX, dtype=cv2.CV_8U)
# create a window to display the image
cv2.namedWindow('DICOM Image')
# display the image in the window
cv2.imshow('DICOM Image', pixel_data)
# wait for a key press
cv2.waitKey(0)
# close the window
cv2.destroyAllWindows()
```
Note that the above code assumes that the DICOM file contains a single image. If the file contains multiple images, you will need to loop through the images and display each one individually. Also, the pixel data may need to be preprocessed depending on the DICOM encoding and the desired output format.