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), metadata (data type: MxpiVisionList) Output: buffer (data type: MxpiBuffer), metadata (data type: MxpiVisionList)
Port Format (Caps)	Static input: {"metadata/object"},{"image/yuv","image/rgb"} Static 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 corresponding 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"
},

Parent topic: Media Data Processing Plugins