Research Article

The Time-Domain Integration Method of Digital Subtraction Angiography Images

Table 1

The image time-domain iteration method.

1. Delineate the region-of-interest
2. Extract the images in the first cardiac cycle after the contrast agent enters the region-of-interest
3. Image denoising with the median filter
4. Extract the time-weighted image, :
5. Image time-domain integration,
6. Extract the TDI image in the region-of-interest