RWMF: A Real-World Multimodal Foodlog Database

Since this is a multimodal database, the images in RWMF is related to texts by share the same tag, which is saved in `Foodhealth/im_label`

* `Foodlog`: the real-world food images and the associative instant bio-data
{
** `Image`: the folder that contains all the real-world foodlog images.
** `biodata.csv`: the csv file that contains all the associative instant bio-data, these data are associated to food images by the file names of images.
** `biodata.txt`: the txt that indicate the attributes of each column in `biodata.csv`.
** `data_category.csv`: the health category tags that help the model test the performance of cross-modal retrieval.
** `data_category.txt`: the txt that indicate the attributes of each column in `data_category.csv`.
}

* `Foodhealth`: the food description texts and the associative food nutrition composition data
{
** `description.csv`: the csv file that contains all the food description texts refered to each tag.
** `description.txt`: the txt file that indicate the attributes of each column in `description.csv`.
** `composition.csv`: the csv file that contains all the food nutrition composition data refered to each tag.
** `composition.txt`: the txt file that indicate the attributes of each column in `composition.csv`.
** `im_label.csv`: the csv file that contains all the tags related to each image.
** `im_label.txt`: the txt file that indicate the attributes of each column in `im_label.csv`.
}