Yang's research group wiki

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=====Medical Data Projects=====
 
Develop novel learning techniques for challenging AI tasks in biomedical applications.


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====Blood vessel segmentation using geometric constraints====

[[medical_data:vessel_data | Datasets]] : datasets for blood vessel segmentation

[[medical_data:vessel_resources | Resources]] : links to papers and online resources

//Project updates//
 
==Meeting on July 9, 2021==
  * Attendee: Yang, Ruqi, Bo and Guoqing  
  * Meeting slides {{ :medical_data:report_7_8-9.pptx |}}
  * Meeting recording {{ :medical_data:guoqing7.9.pdf |}}

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====Brain MRI image segmentation for PVL diagnosis  ====
 
[[medical_data:pvl_data | Datasets ]] : about the PVL MRI dataset and preprocessing guide

[[medical_data:pvl_reading | Reading List]] : related papers to be discussed later

[[medical_data:pvl_resources | Resources]] : external links to tools and online learning resources 

//Project updates//

==Meeting on Dec 31, 2019==

  * Attendee: Peiwu Qin, Yifeng Xie,Yang Li, Jingyun Yang (R), Shi Lu
  * Yifeng went over key slides in the presentation {{ :medical_data:pvl概述-ai_2018.2.1.pptx |}}
  * Yifeng and Prof Qin answered questions about MRI data preprocessing
  * Discussed the possibility of using multi-task learning for joint MRI image segmentation and hand functionality prediction.

==Meeting on Jan 6, 2020==
  * Discuss with Dr. Heng Liu on understanding MRI images for PVL diagnosis.
  * Dr.Heng Liu introduced how to distinguish the lesion of white matter.(by color and edge)
    
{{medical_data:3.png?200 | The shcematic MRI image(the lesion region) }}
{{ medical_data:7.png?190 | The shcematic MRI image(the healthy region)}}
The red arrow and white arrow points to the lesion regions while the blue arrow points to the healthy region.
  * Yifeng and Dr.Heng Liu introduced how to know the specification of each image.(by pydicom)
{{ medical_data:5.png?300 | The information of the MRI image }}
  * Dr.Heng Liu set forth the aims of speculating on the possibility of cerebral palsy.


==Meeting on Jan 10, 2020==
  * Attendee: Yang Li, Jingyun Yang (R)
  * Jingyun Yang gave a presentation about the research of small white matter lesions{{ :medical_data:white_matter_lesion.pdf |}}
  * Pro.Li suggested using the neural network and beginning to preprocess the data.

==Brief Report on Feb 25, 2020==
  * Attendee: Yang Li, Jingyun Yang (R)
  * Jingyun Yang gave a brief report on applications of transfer learning and multi-task in medical image.{{ :medical_data:report02.25.pdf |}}

==Meeting on Aug 31,2020==
  * Attendee: Yang Li, Jingyun Yang, Yicong Li
  * Meeting notes:{{:medical_data:meetingnotes01.pdf|}}

==Meeting on Oct 15,2020==
  *Attendee : Yang Li, Heng Liu, Jingyun Yang, Yicong Li
  *Data update:
  - more MRI images of patients with PVL
  - new classification of hand function in 5 classes
  *More symptoms of PVL: 
  - A->B->C:The volum of white matter decreases while lateral ventricle and sylvian cistern become larger 
{{ medical_data:sym2.png?400 | Another symptoms of PVL }}
  - A->B:The lateral wall of the lateral ventricle becomes irregular & B->C: Extensive cystic degeneration of the white matter around the lateral ventricle appears.
{{ medical_data:sym1.png?400 | Another symptoms of PVL }}
  *Standards for grading disease severity：
  - Hand function
  - Visible lesions in MRI images
  *Task Updata:
  - Lesions segmentation of MRI images
  - Classification of hand function
  - Counting of lesions
  - To be explored:changes of lateral ventricle

====Multi-task transfer learning for brain MRI image understanding====

[[medical_data:multitask_transfer_data | Datasets & Tasks]] : brain MRI dataset and tasks