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author | Christian C <cc@localhost> | 2024-11-11 12:29:32 -0800 |
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committer | Christian C <cc@localhost> | 2024-11-11 12:29:32 -0800 |
commit | b85ee9d64a536937912544c7bbd5b98b635b7e8d (patch) | |
tree | cef7bc17d7b29f40fc6b1867d0ce0a742d5583d0 /code/sunlab/common/data/utilities.py |
Initial commit
Diffstat (limited to 'code/sunlab/common/data/utilities.py')
-rw-r--r-- | code/sunlab/common/data/utilities.py | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/code/sunlab/common/data/utilities.py b/code/sunlab/common/data/utilities.py new file mode 100644 index 0000000..6b4e6f3 --- /dev/null +++ b/code/sunlab/common/data/utilities.py @@ -0,0 +1,119 @@ +from .shape_dataset import ShapeDataset +from ..scaler.max_abs_scaler import MaxAbsScaler + + +def import_10x( + filename, + magnification=10, + batch_size=None, + shuffle=False, + val_split=0.0, + scaler=None, + sort_columns=None, +): + """# Import a 10x Image Dataset + + Pixel-to-micron: ???""" + magnification = 10 + dataset = ShapeDataset( + filename, + batch_size=batch_size, + shuffle=shuffle, + pre_scale=magnification, + val_split=val_split, + scaler=scaler, + sort_columns=sort_columns, + ) + return dataset + + +def import_20x( + filename, + magnification=10, + batch_size=None, + shuffle=False, + val_split=0.0, + scaler=None, + sort_columns=None, +): + """# Import a 20x Image Dataset + + Pixel-to-micron: ???""" + magnification = 20 + dataset = ShapeDataset( + filename, + batch_size=batch_size, + shuffle=shuffle, + pre_scale=magnification, + val_split=val_split, + scaler=scaler, + sort_columns=sort_columns, + ) + return dataset + + +def import_dataset( + filename, + magnification, + batch_size=None, + shuffle=False, + val_split=0.0, + scaler=None, + sort_columns=None, +): + """# Import a dataset + + Requires a magnificaiton to be specified""" + dataset = ShapeDataset( + filename, + pre_scale=magnification, + batch_size=batch_size, + shuffle=shuffle, + val_split=val_split, + scaler=scaler, + sort_columns=sort_columns, + ) + return dataset + + +def import_full_dataset(fname, magnification=20, scaler=None): + """# Import a Full Dataset + + If a classification file exists(.txt with a 'Class' header and 'frame','cellnumber' headers), also import it""" + from os.path import isfile + import pandas as pd + import numpy as np + + cfname = fname + tfname = cfname[:-3] + "txt" + columns = [ + "frame", + "cellnumber", + "x-cent", + "y-cent", + "actinedge", + "filopodia", + "bleb", + "lamellipodia", + ] + if isfile(tfname): + dataset = import_dataset(cfname, magnification=magnification, scaler=scaler) + class_df = np.loadtxt(tfname, skiprows=1) + class_df = pd.DataFrame(class_df, columns=columns) + full_df = pd.merge( + dataset.dataframe, + class_df, + left_on=["Frames", "CellNum"], + right_on=["frame", "cellnumber"], + ) + full_df["Class"] = np.argmax( + class_df[["actinedge", "filopodia", "bleb", "lamellipodia"]].to_numpy(), + axis=-1, + ) + dataset.labels = full_df["Class"].to_numpy() + else: + dataset = import_dataset(cfname, magnification=magnification, scaler=scaler) + full_df = dataset.dataframe + dataset.dataframe = full_df + dataset.filter_off() + return dataset |