Image preprocess module. #2084
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Image preprocess module. #2084
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qingqing01
requested review from
luotao1,
chengxiaohua1105,
wanghaoshuang and
wwhu
luotao1
requested changes
May 10, 2017
python/paddle/v2/image.py
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| "left_right_flip", "simple_transform", "load_and_transform" | ||
| ] | ||
| """ | ||
| This file contains some common interface for image preprocess. |
python/paddle/v2/image.py
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| """ | ||
| This file contains some common interface for image preprocess. | ||
| Many users are confused about the image layout. We introduce | ||
| the image layout firstly. |
python/paddle/v2/image.py
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|
|
||
| - CHW Layout | ||
| - The abbreviations: C=channel, H=Height, W=Width | ||
| - The default image layout is HWC opened by cv2 or PIL. |
python/paddle/v2/image.py
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| - CHW Layout | ||
| - The abbreviations: C=channel, H=Height, W=Width | ||
| - The default image layout is HWC opened by cv2 or PIL. | ||
| PaddlePaddle only support the image layout with CHW. |
There was a problem hiding this comment.
only support the CHW layout.
python/paddle/v2/image.py
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|
|
||
| - Color format: RGB or BGR | ||
| OpenCV use BGR color format. PIL use RGB color format. Both | ||
| formats can be used for training. But it must be noted that, |
There was a problem hiding this comment.
Note that, the format should be XXX
python/paddle/v2/image.py
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| """ | ||
| Transpose the input image order. The image layout is HWC format | ||
| opened by cv2 or PIL. Transposed the input image to CHW layouts | ||
| by order (2,0,1). |
python/paddle/v2/image.py
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|
|
||
| :param im: the input image with HWC layout. | ||
| :type im: ndarray | ||
| :param size: the cropping size |
python/paddle/v2/image.py
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|
|
||
| :param im: the input image with HWC layout. | ||
| :type im: ndarray | ||
| :param size: the cropping size |
python/paddle/v2/image.py
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|
|
||
| def simple_transform(im, resize_size, crop_size, is_train, is_color=True): | ||
| """ | ||
| Simply data argumentation for traing. These operations includes |
There was a problem hiding this comment.
training笔误。These operations include
python/paddle/v2/image.py
Outdated
| is_color=True): | ||
| """ | ||
| Load image from the input file `filename` and transform image for | ||
| data argumentation. Please refer the `simple_transform` interface |
qingqing01
commented
May 10, 2017
python/paddle/v2/image.py
Outdated
| "left_right_flip", "simple_transform", "load_and_transform" | ||
| ] | ||
| """ | ||
| This file contains some common interface for image preprocess. |
python/paddle/v2/image.py
Outdated
| """ | ||
| This file contains some common interface for image preprocess. | ||
| Many users are confused about the image layout. We introduce | ||
| the image layout firstly. |
python/paddle/v2/image.py
Outdated
|
|
||
| - CHW Layout | ||
| - The abbreviations: C=channel, H=Height, W=Width | ||
| - The default image layout is HWC opened by cv2 or PIL. |
python/paddle/v2/image.py
Outdated
| - CHW Layout | ||
| - The abbreviations: C=channel, H=Height, W=Width | ||
| - The default image layout is HWC opened by cv2 or PIL. | ||
| PaddlePaddle only support the image layout with CHW. |
python/paddle/v2/image.py
Outdated
|
|
||
| - Color format: RGB or BGR | ||
| OpenCV use BGR color format. PIL use RGB color format. Both | ||
| formats can be used for training. But it must be noted that, |
python/paddle/v2/image.py
Outdated
| """ | ||
| Transpose the input image order. The image layout is HWC format | ||
| opened by cv2 or PIL. Transposed the input image to CHW layouts | ||
| by order (2,0,1). |
python/paddle/v2/image.py
Outdated
|
|
||
| :param im: the input image with HWC layout. | ||
| :type im: ndarray | ||
| :param size: the cropping size |
python/paddle/v2/image.py
Outdated
|
|
||
| :param im: the input image with HWC layout. | ||
| :type im: ndarray | ||
| :param size: the cropping size |
python/paddle/v2/image.py
Outdated
|
|
||
| def simple_transform(im, resize_size, crop_size, is_train, is_color=True): | ||
| """ | ||
| Simply data argumentation for traing. These operations includes |
python/paddle/v2/image.py
Outdated
| is_color=True): | ||
| """ | ||
| Load image from the input file `filename` and transform image for | ||
| data argumentation. Please refer the `simple_transform` interface |
luotao1
approved these changes
May 11, 2017
heavengate
pushed a commit
to heavengate/Paddle
that referenced
this pull request
Aug 16, 2021
* fix dide link, test=document * fix dide link, test=document
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在v2 API里实现了一些通用的图像预处理函数，并对CHW, RGB顺序写了一些注释，这个顺序对刚接触的用户来说通常会比较疑惑。
related to #2070 #PaddlePaddle/models#28