!10903 dataset: expose area interpolation for resize op

From: @ms_yan
Reviewed-by: @pandoublefeng,@heleiwang
Signed-off-by: @heleiwang

mindspore/dataset/vision/c_transforms.py

@@ -58,7 +58,8 @@ from .validators import check_prob, check_crop, check_resize_interpolation, chec
 
 DE_C_INTER_MODE = {Inter.NEAREST: cde.InterpolationMode.DE_INTER_NEAREST_NEIGHBOUR,
                    Inter.LINEAR: cde.InterpolationMode.DE_INTER_LINEAR,
-                   Inter.CUBIC: cde.InterpolationMode.DE_INTER_CUBIC}
+                   Inter.CUBIC: cde.InterpolationMode.DE_INTER_CUBIC,
+                   Inter.AREA: cde.InterpolationMode.DE_INTER_AREA}
 
 DE_C_BORDER_TYPE = {Border.CONSTANT: cde.BorderType.DE_BORDER_CONSTANT,
                     Border.EDGE: cde.BorderType.DE_BORDER_EDGE,
@@ -731,6 +732,8 @@ class Resize(cde.ResizeOp):
 
             - Inter.BICUBIC, means interpolation method is bicubic interpolation.
 
+            - Inter.AREA, means interpolation method is pixel area interpolation.
+
     Examples:
         >>> from mindspore.dataset.vision import Inter
         >>> decode_op = c_vision.Decode()

mindspore/dataset/vision/utils.py

@@ -22,6 +22,7 @@ class Inter(IntEnum):
     ANTIALIAS = 1
     BILINEAR = LINEAR = 2
     BICUBIC = CUBIC = 3
+    AREA = 4
 
 
 # Padding Mode, Border Type