Annotations for Body Organ Localization based on MICCAI LiTS Dataset

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Abstract: 

We build a set of annotations based on the MICCAI Liver Tumor Segmentation (LiTS) challenge dataset for evaluating methods on organ localization. Bounding boxes of 9 body organs are included in these annotations: heart, left lung, right lung, liver, left kidney, right kidney, bladder, left femoral head and right femoral head.

The MICCAI Liver Tumor Segmentation (LiTS) challenge dataset is an ongoing benchmark for evaluating algorithms on liver and liver lesion segmentation. It consists of 201 contrast-enhanced abdominal CT scans collected from various clinical sites around the world, 131 for training and 70 for testing. Based on these CT scans, we annotate 3D bounding boxes for 9 body organs: heart (53/28), left lung (52/21), right lung (52/21), liver (131/70), left kidney (129/70), right kidney (131/69), bladder (109/67), left femoral head (109/66) and right femoral head (105/66). The number in the parentheses indicates the organs' presence frequency in training and testing sets, respectively. The bounding box of liver in the training set are directly computed according to their segmentation masks which are provided by the MICCAI LiTS challenge. Other B-boxes are annotated by two radiologists and verified/modified by a third radiologist who is more experienced. Note that, in these annotations, all truncated organs are considered as background.

Instructions: 

The annotations are stored in 201 TXT files, corresponding to the 201 abdominal CT scans in the LiTS dataset. Each TXT file is composed of N lines of records, presenting the N organs appearing in the CT image. The data stored in each line is organized as following formats:

name label x0 x1 y0 y1 z0 z1

where x0 and x1 denote the starting and ending coordinates of the bounding box on X-axis, respectively. And so on, for the Y-axis and Z-axis. 

For example, the following record:

liver 1 70 378 143 369 45 73

defines a bounding box of liver starting at (70, 143, 45) and ending at (378, 369, 73). All the coordinates are measured in voxels. The X-axis points from right hand to left hand; the Y-axis points from face to back; the Z-axis points from feet to head.

 

License: Creative Commons Attribution

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Dataset Details

Citation Author(s):
Xuanang Xu, Bo Liu, Fugen Zhou
Submitted by:
Xuanang Xu
Last updated:
Tue, 07/10/2018 - 01:32
DOI:
10.21227/df8g-pq27
Data Format:
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[1] Xuanang Xu, Bo Liu, Fugen Zhou, "Annotations for Body Organ Localization based on MICCAI LiTS Dataset", IEEE Dataport, 2018. [Online]. Available: http://dx.doi.org/10.21227/df8g-pq27. Accessed: Jul. 17, 2018.
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doi = {10.21227/df8g-pq27},
url = {http://dx.doi.org/10.21227/df8g-pq27},
author = {Xuanang Xu; Bo Liu; Fugen Zhou },
publisher = {IEEE Dataport},
title = {Annotations for Body Organ Localization based on MICCAI LiTS Dataset},
year = {2018} }
TY - DATA
T1 - Annotations for Body Organ Localization based on MICCAI LiTS Dataset
AU - Xuanang Xu; Bo Liu; Fugen Zhou
PY - 2018
PB - IEEE Dataport
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Xuanang Xu, Bo Liu, Fugen Zhou. (2018). Annotations for Body Organ Localization based on MICCAI LiTS Dataset. IEEE Dataport. http://dx.doi.org/10.21227/df8g-pq27
Xuanang Xu, Bo Liu, Fugen Zhou, 2018. Annotations for Body Organ Localization based on MICCAI LiTS Dataset. Available at: http://dx.doi.org/10.21227/df8g-pq27.
Xuanang Xu, Bo Liu, Fugen Zhou. (2018). "Annotations for Body Organ Localization based on MICCAI LiTS Dataset." Web.
1. Xuanang Xu, Bo Liu, Fugen Zhou. Annotations for Body Organ Localization based on MICCAI LiTS Dataset [Internet]. IEEE Dataport; 2018. Available from : http://dx.doi.org/10.21227/df8g-pq27
Xuanang Xu, Bo Liu, Fugen Zhou. "Annotations for Body Organ Localization based on MICCAI LiTS Dataset." doi: 10.21227/df8g-pq27