Ogawa K - Search Results

1

Reducing image artifacts in sparse projection CT using conditional generative adversarial networks.

Usui K, Kamiyama S, Arita A, Ogawa K, Sakamoto H, Sakano Y, Kyogoku S, Daida H. Usui K, et al. Among authors: ogawa k. Sci Rep. 2024 Feb 16;14(1):3917. doi: 10.1038/s41598-024-54649-x. Sci Rep. 2024. PMID: 38365934 Free PMC article.

2

Evaluation of motion artefact reduction depending on the artefacts' directions in head MRI using conditional generative adversarial networks.

Usui K, Muro I, Shibukawa S, Goto M, Ogawa K, Sakano Y, Kyogoku S, Daida H. Usui K, et al. Among authors: ogawa k. Sci Rep. 2023 May 26;13(1):8526. doi: 10.1038/s41598-023-35794-1. Sci Rep. 2023. PMID: 37237139 Free PMC article.

3

Quantitative evaluation of deep convolutional neural network-based image denoising for low-dose computed tomography.

Usui K, Ogawa K, Goto M, Sakano Y, Kyougoku S, Daida H. Usui K, et al. Among authors: ogawa k. Vis Comput Ind Biomed Art. 2021 Jul 25;4(1):21. doi: 10.1186/s42492-021-00087-9. Vis Comput Ind Biomed Art. 2021. PMID: 34304321 Free PMC article.

4

A cycle generative adversarial network for improving the quality of four-dimensional cone-beam computed tomography images.

Usui K, Ogawa K, Goto M, Sakano Y, Kyougoku S, Daida H. Usui K, et al. Among authors: ogawa k. Radiat Oncol. 2022 Apr 7;17(1):69. doi: 10.1186/s13014-022-02042-1. Radiat Oncol. 2022. PMID: 35392947 Free PMC article.

5

Effect of region extraction and assigned mass-density values on the accuracy of dose calculation with magnetic resonance-based volumetric arc therapy planning.

Usui K, Sasai K, Ogawa K. Usui K, et al. Among authors: ogawa k. Radiol Phys Technol. 2018 Jun;11(2):174-183. doi: 10.1007/s12194-018-0452-7. Epub 2018 Mar 14. Radiol Phys Technol. 2018. PMID: 29542016

6

Appropriate treatment planning method for field joint dose in total body irradiation using helical tomotherapy.

Usui K, Isobe A, Hara N, Shikama N, Sasai K, Ogawa K. Usui K, et al. Among authors: ogawa k. Med Dosim. 2019 Winter;44(4):344-353. doi: 10.1016/j.meddos.2018.12.003. Epub 2018 Dec 28. Med Dosim. 2019. PMID: 30598391

7

Development of a rotational set-up correction device for stereotactic head radiation therapy: A performance evaluation.

Usui K, Isobe A, Hara N, Muroi T, Sajiki O, Ogawa K, Shikama N, Sasai K. Usui K, et al. Among authors: ogawa k. J Appl Clin Med Phys. 2019 Jun;20(6):206-212. doi: 10.1002/acm2.12616. Epub 2019 May 21. J Appl Clin Med Phys. 2019. PMID: 31112364 Free PMC article.

8

Dose calculation with a cone beam CT image in image-guided radiation therapy.

Usui K, Ichimaru Y, Okumura Y, Murakami K, Seo M, Kunieda E, Ogawa K. Usui K, et al. Among authors: ogawa k. Radiol Phys Technol. 2013 Jan;6(1):107-14. doi: 10.1007/s12194-012-0176-z. Epub 2012 Sep 6. Radiol Phys Technol. 2013. PMID: 22956449

9

Image distortion and correction in single photon emission CT.

Ogawa K. Ogawa K. Ann Nucl Med. 2004 May;18(3):171-85. doi: 10.1007/BF02984998. Ann Nucl Med. 2004. PMID: 15233278 Review.

10

Simulation study on a stationary data acquisition SPECT system with multi-pinhole collimators attached to a triple-head gamma camera system.

Ogawa K, Ichimura Y. Ogawa K, et al. Ann Nucl Med. 2014 Oct;28(8):716-24. doi: 10.1007/s12149-014-0865-2. Epub 2014 Jun 11. Ann Nucl Med. 2014. PMID: 24916488

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