diff binaryimage2points.py @ 0:cb1eaebdb4c4 draft

planemo upload for repository https://github.com/BMCV/galaxy-image-analysis/tools/binaryimage2points/ commit c3f4b766f03770f094fda6bda0a5882c0ebd4581
author imgteam
date Sat, 09 Feb 2019 14:31:13 -0500
parents
children f38f42d55813
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/binaryimage2points.py	Sat Feb 09 14:31:13 2019 -0500
@@ -0,0 +1,53 @@
+import argparse
+import sys
+import pandas as pd
+import skimage.io
+from skimage.measure import label
+from skimage.data import checkerboard
+import numpy as np
+import warnings 
+
+
+
+def binaryimage2points(input_file):
+    # ignore warnings that arise when importing a package that was compiled against an older version of numpy than installed; https://github.com/numpy/numpy/pull/432
+    warnings.filterwarnings("ignore") 
+
+    img_in = skimage.io.imread(input_file, plugin='tifffile') 
+    
+    #make label image
+    label = skimage.measure.label(img_in)
+    
+    #amount of regions
+    amount_label = np.max(label)
+    
+    # iterate over all regions in order to calc center of mass
+    center_mass = []
+    for i in range(1,amount_label+1):    
+        #get coordinates of region
+        coord = np.where(label==i)
+        # be carefull with x,y coordinates
+        center_mass.append([np.mean(coord[1]),np.mean(coord[0])])
+
+    #make data frame of detections
+    out_dataFrame = pd.DataFrame(center_mass)
+
+
+    #return
+    return(out_dataFrame)
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument('input_file', help='input file')
+    parser.add_argument('out_file', help='out file (TSV)')
+    
+    args        = parser.parse_args()
+    input_file  = args.input_file
+    out_file    = args.out_file
+    
+    #TOOL
+    out_dataFrame = binaryimage2points(input_file)
+    
+    #Print to csv file
+    out_dataFrame.to_csv(out_file, index=False, header=False, sep="\t")