Mercurial > ift6266

changeset 65:ab70fbca513c

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Change path to AddBackground and add a image_file attribute (not to do a listdir at each image)
author Xavier Glorot <glorotxa@iro.umontreal.ca>
date Tue, 09 Feb 2010 18:31:24 -0500
parents 7949f46b03e0
children bf83682c827b
files transformations/add_background_image.py
diffstat 1 files changed, 5 insertions(+), 6 deletions(-) [+]
line wrap: on
line diff
--- a/transformations/add_background_image.py	Tue Feb 09 11:43:09 2010 -0500
+++ b/transformations/add_background_image.py	Tue Feb 09 18:31:24 2010 -0500
@@ -15,8 +15,9 @@
         self.h = 32
         self.w = 32
         self.threshold = threshold;
-        self.bg_image_dir = './images/'
-        self.pattern = '*.jpg'
+        self.bg_image_dir = '/data/lisa/data/ift6266h10/image_net/'
+        self.pattern = '*.JPEG'
+        self.image_files = fnmatch.filter(os.listdir(self.bg_image_dir),self.pattern)
 
     # get threshold value
     def get_settings_names(self):
@@ -51,11 +52,9 @@
 
     # select a random background image from "bg_image_dir" and crops it
     def rand_bg_image(self):
-        files = os.listdir(self.bg_image_dir)
-        image_files = fnmatch.filter(files, self.pattern)
-        i = random.randint(0, len(image_files) - 1)
+        i = random.randint(0, len(self.image_files) - 1)
 
-        image = self.load_image(self.bg_image_dir + image_files[i])
+        image = self.load_image(self.bg_image_dir + self.image_files[i])
         self.bg_image = self.rand_crop(image)
 
     # set "bg_image" as background to "image", based on a pixels threshold