Title:
CEST MAGNETIC RESONANCE ANALYSIS METHOD BASED ON PERMUTED RANDOM FOREST, AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/202662
Kind Code:
A1
Abstract:
The present application discloses a CEST magnetic resonance analysis method based on a permuted random forest, and an apparatus, wherein the method comprises: obtaining a tested CEST magnetic resonance image and voxel labels in a lesion area and in a non-lesion area; inputting the Z spectrum and the voxel label of each voxel in the CEST magnetic resonance image into a pre-trained permuted random forest model to obtain the importance of each saturation frequency offset; according to the importance of the saturation frequency offsets, determining the contribution to lesion classification of all of the saturation frequency offsets in the CEST magnetic resonance image. It is thus possible to provide robust explanations regarding the contribution of metabolism-related frequency offset signals to lesion classification and also regarding accurate segmentation of lesion areas.
Inventors:
SONG XIAOLEI (CN)
CHEN YIBING (CN)
DANG XUJIAN (CN)
ZHU CHANGHAO (CN)
LIU CHUYU (CN)
HE XIAOWEI (CN)
CHEN YIBING (CN)
DANG XUJIAN (CN)
ZHU CHANGHAO (CN)
LIU CHUYU (CN)
HE XIAOWEI (CN)
Application Number:
PCT/CN2023/089472
Publication Date:
October 26, 2023
Filing Date:
April 20, 2023
Export Citation:
Assignee:
UNIV TSINGHUA (CN)
UNIV NORTHWEST (CN)
UNIV NORTHWEST (CN)
International Classes:
G16H50/20
Foreign References:
| CN114999627A | 2022-09-02 | |||
| CN113777543A | 2021-12-10 | |||
| US20220065963A1 | 2022-03-03 |
Other References:
CHEN YIBING, DANG XUJIAN, ZHAO BENQI, CHEN ZHENSEN, ZHAO YINGCHENG, ZHAO FENGJUN, ZHENG ZHUOZHAO, HE XIAOWEI, PENG JINYE, SONG XIA: "Frequency importance analysis for chemical exchange saturation transfer magnetic resonance imaging using permuted random forest", NMR IN BIOMEDICINE., WILEY, LONDON., GB, vol. 36, no. 6, 1 June 2023 (2023-06-01), GB , pages e4744, XP093098138, ISSN: 0952-3480, DOI: 10.1002/nbm.4744
BIE CHONGXUE, LI YUGUO, ZHOU YANG, BHUJWALLA ZAVER M., SONG XIAOLEI, LIU GUANSHU, VAN ZIJL PETER C. M., YADAV NIRBHAY N.: "Deep learning‐based classification of preclinical breast cancer tumor models using chemical exchange saturation transfer magnetic resonance imaging", NMR IN BIOMEDICINE., WILEY, LONDON., GB, vol. 35, no. 2, 1 February 2022 (2022-02-01), GB , pages e4626, XP093098184, ISSN: 0952-3480, DOI: 10.1002/nbm.4626
BIE CHONGXUE, LI YUGUO, ZHOU YANG, BHUJWALLA ZAVER M., SONG XIAOLEI, LIU GUANSHU, VAN ZIJL PETER C. M., YADAV NIRBHAY N.: "Deep learning‐based classification of preclinical breast cancer tumor models using chemical exchange saturation transfer magnetic resonance imaging", NMR IN BIOMEDICINE., WILEY, LONDON., GB, vol. 35, no. 2, 1 February 2022 (2022-02-01), GB , pages e4626, XP093098184, ISSN: 0952-3480, DOI: 10.1002/nbm.4626
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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