数据集可视化（2019-02-17）

示例：Q&A with Only Pictuers! (RSNA Pneumonia Detection Challenge)

• Are the classes imbalanced?
• How many cases are there per image?
• Where is Pneumonia located?
• What is the age distribution by gender and target?
• What are the areas of the bounding boxes by gender?
• How is the pixel spacing distributed?
• How are the bounding box areas distributed by the number of boxes?
• Where are the outliers?
• What does the outliers look like?
• Are there images with mostly black pixels?
• What does the mostly black pixels look like?
• What does the mostly white pixel images look like?
• Can tradiational image processing find a bounding box around the cropped images?
• Can the bounding boxes be resized when cropping and resizing the cropped images?
• How are the bounding box aspect ratios distributed?
• What does the images with a high aspect ratio look like?
• Is there a relationship between the bounding box's aspect ratio and area?