rahul003 commented on a change in pull request #11027: Add standard ResNet data
augmentation for ImageRecordIter
URL: https://github.com/apache/incubator-mxnet/pull/11027#discussion_r191026394
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File path: src/io/image_aug_default.cc
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@@ -104,16 +127,37 @@ struct DefaultImageAugmentParam : public
dmlc::Parameter<DefaultImageAugmentPara
"``[min_crop_size, max_crop_size]``");
DMLC_DECLARE_FIELD(max_random_scale).set_default(1.0f)
.describe("Resize into ``[width*s, height*s]`` with ``s`` randomly"
- " chosen from ``[min_random_scale, max_random_scale]``");
+ " chosen from ``[min_random_scale, max_random_scale]``. "
+ "Ignored if ``random_resized_crop`` is True.");
DMLC_DECLARE_FIELD(min_random_scale).set_default(1.0f)
.describe("Resize into ``[width*s, height*s]`` with ``s`` randomly"
- " chosen from ``[min_random_scale, max_random_scale]``");
+ " chosen from ``[min_random_scale, max_random_scale]``"
+ "Ignored if ``random_resized_crop`` is True.");
+ DMLC_DECLARE_FIELD(max_random_area).set_default(1.0f)
+ .describe("Change the area (namely width * height) to a random value "
+ "in ``[min_random_area, max_random_area]``. "
+ "Ignored if ``random_resized_crop`` is False.");
+ DMLC_DECLARE_FIELD(min_random_area).set_default(1.0f)
+ .describe("Change the area (namely width * height) to a random value "
+ "in ``[min_random_area, max_random_area]``. "
+ "Ignored if ``random_resized_crop`` is False.");
DMLC_DECLARE_FIELD(max_img_size).set_default(1e10f)
.describe("Set the maximal width and height after all resize and"
" rotate argumentation are applied");
DMLC_DECLARE_FIELD(min_img_size).set_default(0.0f)
.describe("Set the minimal width and height after all resize and"
" rotate argumentation are applied");
+ DMLC_DECLARE_FIELD(brightness).set_default(0.0f)
+ .describe("Add a random value in ``[-brightness, brightness]`` to "
+ "the brightness of image.");
+ DMLC_DECLARE_FIELD(contrast).set_default(0.0f)
+ .describe("Add a random value in ``[-contrast, contrast]`` to "
+ "the contrast of image.");
+ DMLC_DECLARE_FIELD(saturation).set_default(0.0f)
+ .describe("Add a random value in ``[-saturation, saturation]`` to "
+ "the saturation of image.");
+ DMLC_DECLARE_FIELD(pca_noise).set_default(0.0f)
Review comment:
Could you add description of what the value would mean in this case
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