Reducing windmill artifacts in clinical spiral CT using a deep learning-based projection raw data upsampling: method and robustness evaluation
Background Multislice spiral computed tomography (MSCT) requires an interpolation between adjacent detector rows during backprojection. Not satisfying the Nyquist sampling condition along the z-axis results in aliasing effects, also known as windmill artifacts. These image distortions are characteri...
Gespeichert in:
| Hauptverfasser: | , , , , , , |
|---|---|
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
16 January 2024
|
| Ausgabe: | Online version of record before inclusion in an issue |
| In: |
Medical physics
Year: 2024, Jahrgang: 51, Heft: 3, Pages: 1597-1616 |
| ISSN: | 2473-4209 |
| DOI: | 10.1002/mp.16938 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1002/mp.16938 Verlag, kostenfrei, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/mp.16938 
|
| Verfasserangaben: | Jan Magonov, Joscha Maier, Julien Erath, Johan Sunnegårdh, Eric Fournié, Karl Stierstorfer, Marc Kachelrieß |
MARC
| LEADER | 00000caa a22000002c 4500 | ||
|---|---|---|---|
| 001 | 1883061423 | ||
| 003 | DE-627 | ||
| 005 | 20241209121411.0 | ||
| 007 | cr uuu---uuuuu | ||
| 008 | 240311s2024 xx |||||o 00| ||eng c | ||
| 024 | 7 | |a 10.1002/mp.16938 |2 doi | |
| 035 | |a (DE-627)1883061423 | ||
| 035 | |a (DE-599)KXP1883061423 | ||
| 035 | |a (OCoLC)1443645186 | ||
| 040 | |a DE-627 |b ger |c DE-627 |e rda | ||
| 041 | |a eng | ||
| 084 | |a 33 |2 sdnb | ||
| 100 | 1 | |a Magonov, Jan |e VerfasserIn |0 (DE-588)1323076379 |0 (DE-627)1883062934 |4 aut | |
| 245 | 1 | 0 | |a Reducing windmill artifacts in clinical spiral CT using a deep learning-based projection raw data upsampling |b method and robustness evaluation |c Jan Magonov, Joscha Maier, Julien Erath, Johan Sunnegårdh, Eric Fournié, Karl Stierstorfer, Marc Kachelrieß |
| 250 | |a Online version of record before inclusion in an issue | ||
| 264 | 1 | |c 16 January 2024 | |
| 300 | |b Illustrationen | ||
| 300 | |a 20 | ||
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a Computermedien |b c |2 rdamedia | ||
| 338 | |a Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Gesehen am 11.03.2024 | ||
| 520 | |a Background Multislice spiral computed tomography (MSCT) requires an interpolation between adjacent detector rows during backprojection. Not satisfying the Nyquist sampling condition along the z-axis results in aliasing effects, also known as windmill artifacts. These image distortions are characterized by bright streaks diverging from high contrast structures. Purpose The z-flying focal spot (zFFS) is a well-established hardware-based solution that aims to double the sampling rate in longitudinal direction and therefore reduce aliasing artifacts. However, given the technical complexity of the zFFS, this work proposes a deep learning-based approach as an alternative solution. Methods We propose a supervised learning approach to perform a mapping between input projections and the corresponding rows required for double sampling in the z-direction. We present a comprehensive evaluation using both a clinical dataset obtained using raw data from 40 real patient scans acquired with zFFS and a synthetic dataset consisting of 100 simulated spiral scans using a phantom specifically designed for our problem. For the clinical dataset, we utilized 32 scans as training set and 8 scans as validation set, whereas for the synthetic dataset, we used 80 scans for training and 20 scans for validation purposes. Both qualitative and quantitative assessments are conducted on a test set consisting of nine real patient scans and six phantom measurements to validate the performance of our approach. A simulation study was performed to investigate the robustness against different scan configurations in terms of detector collimation and pitch value. Results In the quantitative comparison based on clinical patient scans from the test set, all network configurations show an improvement in the root mean square error (RMSE) of approximately 20% compared to neglecting the doubled longitudinal sampling by the zFFS. The results of the qualitative analysis indicate that both clinical and synthetic training data can reduce windmill artifacts through the application of a correspondingly trained network. Together with the qualitative results from the test set phantom measurements it is emphasized that a training of our method with synthetic data resulted in superior performance in windmill artifact reduction. Conclusions Deep learning-based raw data interpolation has the potential to enhance the sampling in z-direction and thus minimize aliasing effects, as it is the case with the zFFS. Especially a training with synthetic data showed promising results. While it may not outperform zFFS, our method represents a beneficial solution for CT scanners lacking the necessary hardware components for zFFS. | ||
| 650 | 4 | |a clinical spiral CT | |
| 650 | 4 | |a computed tomography | |
| 650 | 4 | |a convolutional neural network | |
| 650 | 4 | |a deep learning | |
| 650 | 4 | |a image quality | |
| 650 | 4 | |a medical imaging | |
| 650 | 4 | |a projection rawdata upsampling | |
| 650 | 4 | |a windmill artifact reduction | |
| 650 | 4 | |a z-flying focal spot | |
| 700 | 1 | |a Maier, Joscha |d 1988- |e VerfasserIn |0 (DE-588)1185600868 |0 (DE-627)1664987231 |4 aut | |
| 700 | 1 | |a Erath, Julien |d 1990- |e VerfasserIn |0 (DE-588)1279613289 |0 (DE-627)1832747050 |4 aut | |
| 700 | 1 | |a Sunnegårdh, Johan |e VerfasserIn |4 aut | |
| 700 | 1 | |a Fournié, Eric |e VerfasserIn |4 aut | |
| 700 | 1 | |a Stierstorfer, Karl |e VerfasserIn |4 aut | |
| 700 | 1 | |a Kachelrieß, Marc |d 1969- |e VerfasserIn |0 (DE-588)120866544 |0 (DE-627)705049280 |0 (DE-576)292422725 |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Medical physics |d Hoboken, NJ : Wiley, 1974 |g 51(2024), 3, Seite 1597-1616 |h Online-Ressource |w (DE-627)265784867 |w (DE-600)1466421-5 |w (DE-576)074891243 |x 2473-4209 |7 nnas |a Reducing windmill artifacts in clinical spiral CT using a deep learning-based projection raw data upsampling method and robustness evaluation |
| 773 | 1 | 8 | |g volume:51 |g year:2024 |g number:3 |g pages:1597-1616 |g extent:20 |a Reducing windmill artifacts in clinical spiral CT using a deep learning-based projection raw data upsampling method and robustness evaluation |
| 856 | 4 | 0 | |u https://doi.org/10.1002/mp.16938 |x Verlag |x Resolving-System |z kostenfrei |3 Volltext |
| 856 | 4 | 0 | |u https://onlinelibrary.wiley.com/doi/abs/10.1002/mp.16938 |x Verlag |z kostenfrei |3 Volltext |
| 951 | |a AR | ||
| 992 | |a 20240311 | ||
| 993 | |a Article | ||
| 994 | |a 2024 | ||
| 998 | |g 120866544 |a Kachelrieß, Marc |m 120866544:Kachelrieß, Marc |d 140000 |e 140000PK120866544 |k 0/140000/ |p 7 |y j | ||
| 998 | |g 1323076379 |a Magonov, Jan |m 1323076379:Magonov, Jan |d 140000 |e 140000PM1323076379 |k 0/140000/ |p 1 |x j | ||
| 999 | |a KXP-PPN1883061423 |e 4499060923 | ||
| BIB | |a Y | ||
| SER | |a journal | ||
| JSO | |a {"physDesc":[{"extent":"20 S.","noteIll":"Illustrationen"}],"name":{"displayForm":["Jan Magonov, Joscha Maier, Julien Erath, Johan Sunnegårdh, Eric Fournié, Karl Stierstorfer, Marc Kachelrieß"]},"recId":"1883061423","id":{"eki":["1883061423"],"doi":["10.1002/mp.16938"]},"relHost":[{"note":["Gesehen am 01.08.2025"],"titleAlt":[{"title":"Medical physics online"}],"origin":[{"dateIssuedDisp":"1974-","publisherPlace":"Hoboken, NJ ; College Park, Md. ; New York, NY","publisher":"Wiley ; AAPM ; [Verlag nicht ermittelbar]","dateIssuedKey":"1974"}],"type":{"media":"Online-Ressource","bibl":"periodical"},"title":[{"title":"Medical physics","title_sort":"Medical physics"}],"part":{"text":"51(2024), 3, Seite 1597-1616","pages":"1597-1616","year":"2024","volume":"51","extent":"20","issue":"3"},"language":["eng"],"disp":"Reducing windmill artifacts in clinical spiral CT using a deep learning-based projection raw data upsampling method and robustness evaluationMedical physics","id":{"eki":["265784867"],"issn":["2473-4209","1522-8541"],"zdb":["1466421-5"]},"name":{"displayForm":["American Association of Physicists in Medicine ; American Institute of Physics"]},"physDesc":[{"extent":"Online-Ressource"}],"pubHistory":["1.1974 -"],"recId":"265784867"}],"person":[{"family":"Magonov","display":"Magonov, Jan","role":"aut","given":"Jan"},{"given":"Joscha","role":"aut","family":"Maier","display":"Maier, Joscha"},{"family":"Erath","display":"Erath, Julien","role":"aut","given":"Julien"},{"display":"Sunnegårdh, Johan","family":"Sunnegårdh","given":"Johan","role":"aut"},{"role":"aut","given":"Eric","family":"Fournié","display":"Fournié, Eric"},{"family":"Stierstorfer","display":"Stierstorfer, Karl","role":"aut","given":"Karl"},{"family":"Kachelrieß","display":"Kachelrieß, Marc","role":"aut","given":"Marc"}],"origin":[{"dateIssuedKey":"2024","edition":"Online version of record before inclusion in an issue","dateIssuedDisp":"16 January 2024"}],"note":["Gesehen am 11.03.2024"],"title":[{"title":"Reducing windmill artifacts in clinical spiral CT using a deep learning-based projection raw data upsampling","subtitle":"method and robustness evaluation","title_sort":"Reducing windmill artifacts in clinical spiral CT using a deep learning-based projection raw data upsampling"}],"type":{"bibl":"article-journal","media":"Online-Ressource"},"language":["eng"]} | ||
| SRT | |a MAGONOVJANREDUCINGWI1620 | ||