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intra's Introduction

News

2020.04.06 Paper is updated, and Supplementary material is uploaded.

2020.03.02 Paper is uploaded to arXiv.

IntrA: 3D Intracranial Aneurysm Dataset for Deep Learning (CVPR 2020 Oral)

Instead of 2D medical images, we introduce an open-access 3D intracranial aneurysm dataset, IntrA, that makes the application of points-based and mesh-based classification and segmentation models available. Our dataset can be used to diagnose intracranial aneurysms and to extract the neck for a clipping operation in medicine and other areas of deep learning, such as normal estimation and surface reconstruction.

The dataset could be download here.

We are grateful for adding your information on this form, if you think this dataset is useful. Thank you!

Data

103 3D models of entire brain vessels are collected by reconstructing scanned 2D MRA images of patients. We do not publish the raw 2D MRA images because of medical ethics.

1909 blood vessel segments are generated automatically from the complete models, including 1694 healthy vessel segments and 215 aneurysm segments for diagnosis.

116 aneurysm segments are divided and annotated manually by medical experts; the scale of each aneurysm segment is based on the need for a preoperative examination.

Geodesic distance matrices are computed and included for each annotated 3D segment, because the expression of the geodesic distance is more accurate than Euclidean distance according to the shape of vessels.

Tools

Annotation

ann_tool

annotation/main.py

Add button: adding a boundary line.

Left mouse button: selecting the points of a boundary line.

Middle mouse button: selecting a start point.

Vessel segment generation

random_pick.py
selection.py

Visualization

show_ann_data.py
show_result.py

Benchmark

Classification

ann_tool

Segmentation

ann_tool

Acknowledgements

This research was supported by AMED under Grant Number JP18he1602001.

Paper

Please cite our paper if you use it.

@InProceedings{yang2020intra,
  author = {Yang, Xi and Xia, Ding and Kin, Taichi and Igarashi, Takeo},
  title = {IntrA: 3D Intracranial Aneurysm Dataset for Deep Learning},
  booktitle = {The IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
  year = {2020}
}

intra's People

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intra's Issues

Number of input points in experiments

image
This is the histogram of the number of points in the samples from the segmentation task. In the paper, up to 2048 input points from each sample are used. For the samples which have a lesser number of points than the experimental requirements, is there any sort of upsampling involved?

How to get geodesic distance matrix( geo files)

Thank you for your great work.
I noticed that the data contains a geo file, and I would like to know how to obtain the geodesic distance matrix of these aneurysm point cloud files?
Do you have any relevant calculation programs? thanks!

Which software could open the *.ad file?

There are some files in the directory IntrA\annotated\ad, like AN2-_norm.ad. Could anyone tell me how to open and view it on Windows? And how to load it in Python?

Data Loader

Thanks for your great job. In 'supp.pdf' you've mentioned "We implemented the data loader to fulfill the default input requirements of every method, including normal information and data augmentation", but I don't know where can I find the implementation of data loader.

About the point number of annotated segments.

Hi! Thanks for your effort in collecting this dataset! I have read the IntrA paper and checked the point numbers of annotated segments. I found that the maximum points number is 8286, the minimum is 516. But the segmentation results in the paper are tested using 512, 1024, and 2048 points respectively. How did you deal with the segments that the point number is less than the settings?

What does the geo.zip include?

Thanks for your great job. The dataset includes two ‘*.zip’ files, you have described the details of the ‘Intra.zip’, but I am confused about what the ‘geo.zip’ includes.

Question about the training and testing protocol

Hi,

Thanks for your contribution. I noticed the paper said that all methods were tested by 5-fold cross validation. Does that mean to get the final test result, it's necessary to run the whole training period 5 times with diverse splits, and finally average results. Or it is to say, do 5-fold cross validation during training?

Looking forward to your reply.

annotation tools

请问分割工具如何使用呀?我执行python annotation/main.py 但是阻塞不运行。

How to calculate normal vector?

I see your dataset consists of N*7 ,including position,normal vector and 0/1/2; I'd appreciate if you can tell how to calculate normal vector . thx!

question about loading data.

Hi,

Thanks for your contribution to publish this dataset. I have some questions about using this dataset.

(1) In classification task, I noticed that there are two classes, and in the folder "files-lit/cls" of this repository, cases listed in anon*.txt are positive cases? and cases listed in neg*.txt are negative cases?

(2) If I understand the dataset correctly as described in question (1), I want to know is there any preprocessing? I load the normed x,y,z which are randomly sampled from the data provided, but I cannot reproduce the result of PointNet showed in paper. Are there any possible mistakes I may make?

Looking forward to your reply!

Best Regards,
Yan

requirements

Could you please let me know what the requirements are to run your code? For example, Python version and which libraries you used. Thanks you!

relevant code

Could you please provide the relevant code and details of the verification experiment, thank you.

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