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mxpi_opencvcentercrop

Function

Crops the images in the image center.

Synchronous/Asynchronous (Status)

Asynchronous

Constraints

Currently, only the input data types UINT8 and FLOAT32 and the input image formats RGB888 and BGR888 are supported.

Plugin Base Class (Factory)

mxpi_opencvcentercrop

Input/Output

Input: buffer (data type: MxpiBuffer) and metadata (data type: MxpiVisionList)

Output: buffer (data type: MxpiBuffer) and metadata (data type: MxpiVisionList)

Port Format (Caps)

Input: {"metadata/object"},{"image/yuv","image/rgb"}

Output: {"image/yuv","image/rgb"}

Property

For details, see Table 1.
Table 1 mxpi_opencvcenter plugin properties

Property Name

Description

Mandatory or Not

Modifiable or Not

deviceId

Ascend device ID, which is specified by the deviceId property in the stream_config field. You do not need to set the ID.

No

Yes

dataSource

Index of the input image data. The default value is the key of the metadata mounted to the output port of the upstream plugin.

No

Yes

cropHeight

Height of the cropped image. The default value is 0, and the value range is [0, 819200].

Yes

Yes

cropWidth

Width of the cropped image. The default value is 0, and the value range is [0, 819200].

Yes

Yes

Pipeline sample:

"mxpi_opencvcentercrop0": {
    "props": {
    "cropHeight":"416",
    "cropWidth":"416"
    },
"factory": "mxpi_opencvcentercrop",
"next": "mxpi_modelinfer0"
},