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README.md
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The dataset is intended for use in deep learning tasks in medical imaging, specifically targeting the understanding of bone fractures.
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It is freely available under a CC-BY 4.0 license.
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### Dataset Description
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- **Curated by:** [More Information Needed]
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- **License:** cc-by-2.5
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### Dataset Sources
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<!-- This section provides a description of the dataset fields, and additional information about the dataset structure such as criteria used to create the splits, relationships between data points, etc. -->
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### Curation Rationale
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<!-- Motivation for the creation of this dataset. -->
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### Source Data
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<!-- This section describes the source data (e.g. news text and headlines, social media posts, translated sentences, ...). -->
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#### Data Collection and Processing
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<!-- If the dataset contains annotations which are not part of the initial data collection, use this section to describe them. -->
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The dataset includes 4,083 images that have been manually annotated for bone fracture classification, localization, and segmentation with the help of 2 expert radiologists.
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Annotations have later been verified and merged by an orthopedist using the open-source labeling platform, makesense.ai.
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#### Personal and Sensitive Information
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<!-- State whether the dataset contains data that might be considered personal, sensitive, or private (e.g., data that reveals addresses, uniquely identifiable names or aliases, racial or ethnic origins, sexual orientations, religious beliefs, political opinions, financial or health data, etc.). If efforts were made to anonymize the data, describe the anonymization process. -->
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All personally identifiable information in the gathered data has been removed, and theprocess was administered according to the Institutional Research Ethics Board of United International University.
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## Bias, Risks, and Limitations
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<!-- This section is meant to convey both technical and sociotechnical limitations. -->
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The dataset is intended for use in deep learning tasks in medical imaging, specifically targeting the understanding of bone fractures.
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It is freely available under a CC-BY 4.0 license.
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- **Curated by:** Abedeen, Iftekharul; Rahman, Md. Ashiqur; Zohra Prottyasha, Fatema; Ahmed, Tasnim; Mohmud Chowdhury, Tareque; Shatabda, Swakkhar
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- **License:** cc-by-2.5
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### Dataset Sources
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<!-- This section provides a description of the dataset fields, and additional information about the dataset structure such as criteria used to create the splits, relationships between data points, etc. -->
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The original zip file contains 3 subfolders “images”, “Annotations”, “utilities” and a “dataset.csv” file.
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In the "image" folder, it contains 2 subfolders: "Fractured" and "Non-fractured", and each image is stored in corresponding folder in JPG format.
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In the "Annotations" folder, it contains 4 subfolders: "COCO JSON", "PASCAL VOC", "VGG JSON", and "YOLO". Annotations are stored in their corresponding folders. More details can be read in ### Annotations section.
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In the "utilities" folder, it contains several programming scripts that could be used to convert the raw files to a more readable format. None of them were used in this dataset.
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The "dataset.csv" contains many basic variables for each image:
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- image_id [string]: The unique identifier for each radiograph image in the dataset.
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- hand [int]: A binary indicators (1 or 0) marking the presence of hand in the radiograph
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- leg [int] : A binary indicators (1 or 0) marking the presence of leg in the radiograph
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- hip [int] : A binary indicators (1 or 0) marking the presence of hip in the radiograph
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- shoulder [int]: A binary indicator (1 or 0) marking the shoulder in the radiograph
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- mixed [int]: A binary indicator of whether the image contains multiple body parts.
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- hardware [int]: A binary indicator marking the presence of medical hardware (i.e. screws or plates) in the image.
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- multiscan [int]: A binary indicator signifies whether the image is part of a set of multiple scans.
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- fractured [int]: A binary indicator of whether there is a fracture present in the image.
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- fracture_count [int]: The number of fractures present in the image.
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- frontal [int]: A binary indicator denoting the front orientation of the radiograph
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- lateral[int]: A binary indicator denoting the side orientation of the radiograph
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- oblique [int]: A binary indicator denoting denoting the angled orientation of the radiograph
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Above are the data that could be directly extracted from the downloaded files. Other than the above-mentioned features, this huggingface dataset also extract infomation from annotations files to present a more systematic and clean FracAtlas dataset.
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### Curation Rationale
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<!-- Motivation for the creation of this dataset. -->
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The creation of the FracAtlas dataset was driven by the need for a comprehensive and specialized collection of medical images to train machine learning models for fracture detection. The dataset aims to address the gap in the availability of annotated musculoskeletal radiographs necessary for advancing AI-assisted diagnostic tools. The choices involved in its assembly, including the selection of specific types of radiographs and the detailed annotation process, were governed by the objective of providing a robust resource that can significantly improve the accuracy and efficiency of fracture diagnosis in the medical field.
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### Source Data
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<!-- This section describes the source data (e.g. news text and headlines, social media posts, translated sentences, ...). -->
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In the initial phase, a total of 14,068 X-Rays were collected.
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Due to privacy concerns, all the DICOM images were given an arbitrary image name and converted to JPG image format.
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This automatically got rid of all the sensitive information that was present in the metadata of DICOM images.
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These conversions were done using the proprietary software of the corresponding X-ray machines.
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The renamed DICOM images were stored in the hospital database separately for later study of general distribution.
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All the X-ray scans that have been collected are for general-purpose diagnosis.
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This means along with bone fracture scans there are also samples for chest diseases and abnormalities in the skull and spine region.
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In the collected data the number of bone fracture samples in the chest, skull and spine region was sparse.
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As a result, scans for the said parts were removed with the supervision of a medical officer.
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This left us with 4,083 scans from the hand, leg, hip and shoulder regions. Figure 2 shows some valid vs outlier images for the dataset.
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#### Data Collection and Processing
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<!-- If the dataset contains annotations which are not part of the initial data collection, use this section to describe them. -->
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The dataset includes 4,083 images that have been manually annotated for bone fracture classification, localization, and segmentation with the help of 2 expert radiologists.
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Annotations have later been verified and merged by an orthopedist using the open-source labeling platform, makesense.ai.
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There are 4 types of annotations provided in the Annotations folder:
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1. Common Objects in Context (COCO) JSON: It contains a JSON file, which includes corresponding annotations for fractured images (total 717 images). It includes segmentation, bbox, and area for each fractured image. This is mainly used for segmentation. Notice that the COCO annatation annotation is only for images that have fractures.
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2. PASCOL VOC: It contains xml files for each image. This is used for localization. For each xml file, it includes the height, width, depth, and segmented data for each image.
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3. VGG JSON: It contains a single JSON file, which includes annotations for fractrued images.
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4. YOLO: It contains txt files for each image. This is used for localization.
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#### Personal and Sensitive Information
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<!-- State whether the dataset contains data that might be considered personal, sensitive, or private (e.g., data that reveals addresses, uniquely identifiable names or aliases, racial or ethnic origins, sexual orientations, religious beliefs, political opinions, financial or health data, etc.). If efforts were made to anonymize the data, describe the anonymization process. -->
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All personally identifiable information in the gathered data has been removed, and theprocess was administered according to the Institutional Research Ethics Board of United International University.
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## Bias, Risks, and Limitations
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<!-- This section is meant to convey both technical and sociotechnical limitations. -->
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