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Patch Based Grid Artifact Suppressing in Digital Mammography
Qingqing Ling1, Shuyu Wu1, Xiaoman Duan1
1School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China.
Biomed Research International
|August 31, 2018
Summary
This study introduces a fast patch-based frequency filtering method to remove antiscatter grid artifacts in digital mammography. The technique enhances image quality for more accurate breast cancer screening.
Area of Science:
- Medical Imaging
- Biomedical Engineering
Background:
- Mammography is crucial for breast cancer screening.
- Antiscatter grids improve image contrast but introduce artifacts.
- Grid artifacts degrade digital mammography image quality.
Purpose of the Study:
- To develop a fast method for suppressing antiscatter grid artifacts in digital mammography.
- To improve the quality of mammographic images for better diagnosis.
Main Methods:
- A patch-based frequency signal filtering approach was proposed.
- Image blocks were processed simultaneously to reduce interference and save computation time.
- Characteristic peak detection was used to identify grid patterns and motion.
Main Results:
- The method effectively suppressed grid artifacts in both simulated and real mammography data.
- Patch-based processing reduced frequency interference and computation time.
- Accurate identification of grid patterns and motion was achieved.
Conclusions:
- The proposed method offers a promising solution for fast and precise suppression of grid artifacts.
- This technique has the potential to significantly enhance digital mammography image quality.
- Improved image quality can lead to more reliable breast cancer screening outcomes.
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