valid height in case the mat is invalid
valid width in case the mat is invalid
valid channel in case the mat is invalid
key to store float array
share buffer of output
Apply this transformer to rdd
catch the exception of the transformer to avoid crashing.
catch the exception of the transformer to avoid crashing.
set the output key to store current transformed result if the key is not set, or same as default, then the transformed result will be overwritted by the following transformer
set the output key to store current transformed result if the key is not set, or same as default, then the transformed result will be overwritted by the following transformer
output key
transform feature
transform feature
ImageFeature
ImageFeature
transform mat
transform mat
Transform OpenCVMat to float array, note that in this transformer, the mat is released