added function definitions for new functions. Sebastian and I will finish these definitions today

David Mayerich
1 parent c4980202
Showing 3 changed files with 23 additions and 5 deletions Show diff stats
python/classify.py
python/envi.py
python/spectral.py
@@ -23,4 +23,22 @@ def classcolor2(C):
         color = numpy.asarray(colorsys.hsv_to_rgb(hsv[0], hsv[1], hsv[2])) * 255
         RGB[C[:, :, c], :] = color
-    return RGB
 \ No newline at end of file
+    return RGB
+
+#create a function that loads a set of class images as a stack of binary masks
+#input: list of class image names
+#output: X x Y x C stack of binary mask images
+#example: image2class(("class_coll.bmp", "class_epith.bmp"))
+
+#create a set of feature/target pairs for classification
+#input: envi file object, stack of class masks, list of class names
+#output: feature matrix (features x pixels), target matrix (1 x pixels)
+#example: generate_training(("class_coll.bmp", "class_epith.bmp"), (1, 2))
+
+#create a class mask stack from an X x Y x C probability image
+#input: X x Y x C image giving the probability P(c |x,y)
+#output: X x Y x C binary class image
+
+#create an ROC curve calculator
+#input: X x Y x C image giving the probability P(c | x,y)
+#output: ROC curve
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@@ -180,7 +180,6 @@ class envi:
         else:
             self.mask = scipy.misc.imread(maskname, flatten=True).astype(numpy.bool)
-        
     def open(self, filename, headername = ""):
         if headername == "":
             headername = filename + ".hdr"
@@ -256,7 +255,5 @@ class envi:
                 bar.update(l+1)
         return M
-            
-        
     def __del__(self):
         self.file.close()
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@@ -47,4 +47,7 @@ def unsift2(M, mask):
     else:
     	I = numpy.zeros((M.shape[0], mask.shape[0], mask.shape[1]), dtype=M.dtype)
     I[:, i[0], i[1]] = M
-    return I    
 \ No newline at end of file
+    return I
+
+#create a function that sifts a color image
+#input: image name, mask  
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