github/deepface
1
1
Fork 0
mirror of https://github.com/serengil/deepface.git synced 2025-07-23 02:10:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

resize approach

Browse Source
This commit is contained in:
Sefik Ilkin Serengil 2021-07-02 09:30:27 +03:00 committed by GitHub
parent 94236318ac
commit ed9367b8f1
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
deepface/commons/functions.py
View File

@ -130,7 +130,12 @@ def preprocess_face(img, target_size=(224, 224), grayscale = False, enforce_dete
# img = cv2.resize(img, target_size) #resize causes transformation on base image, adding black pixels to resize will not deform the base image # img = cv2.resize(img, target_size) #resize causes transformation on base image, adding black pixels to resize will not deform the base image
# First resize the longer side to the target size # First resize the longer side to the target size
factor = target_size[0] / max(img.shape) # Suppose target_size[0] == target_size[1]. What if this condition is not satisfied? E.g. DeepID expects 57x47 shaped inputs. #factor = target_size[0] / max(img.shape)
factor_0 = target_size[0] / img.shape[0]
factor_1 = target_size[1] / img.shape[1]
factor = min(factor_0, factor_1)
dsize = (int(img.shape[1] * factor), int(img.shape[0] * factor)) dsize = (int(img.shape[1] * factor), int(img.shape[0] * factor))
img = cv2.resize(img, dsize) img = cv2.resize(img, dsize)
@ -143,6 +148,10 @@ def preprocess_face(img, target_size=(224, 224), grayscale = False, enforce_dete
else: else:
img = np.pad(img, ((diff_0 // 2, diff_0 - diff_0 // 2), (diff_1 // 2, diff_1 - diff_1 // 2)), 'constant') img = np.pad(img, ((diff_0 // 2, diff_0 - diff_0 // 2), (diff_1 // 2, diff_1 - diff_1 // 2)), 'constant')
#double check: if target image is not still the same size with target.
if img.shape[0:2] != target_size:
img = cv2.resize(img, target_size)
#--------------------------------------------------- #---------------------------------------------------
img_pixels = image.img_to_array(img) img_pixels = image.img_to_array(img)