ai.djl.translate

Interface PreProcessor<I>

Type Parameters:

I - the type of the input object

All Known Subinterfaces:

ServingTranslator, Translator<I,O>

All Known Implementing Classes:

BaseImageTranslator, FileTranslator, ImageClassificationTranslator, InputStreamTranslator, InstanceSegmentationTranslator, NoopTranslator, ObjectDetectionTranslator, QATranslator, SimplePoseTranslator, SimpleText2TextTranslator, SingleShotDetectionTranslator, UrlTranslator, YoloTranslator, YoloV5Translator

public interface PreProcessor<I>

An interface that provides pre-processing functionality.

Method Summary

Modifier and Type	Method and Description
default Pipeline	getPipeline() Gets the Pipeline applied to the input.
NDList	processInput(TranslatorContext ctx, I input) Processes the input and converts it to NDList.

Method Detail

getPipeline

default Pipeline getPipeline()

Gets the Pipeline applied to the input.

Returns:

the Pipeline

processInput

NDList processInput(TranslatorContext ctx,
                    I input)
             throws java.lang.Exception

Processes the input and converts it to NDList.

Parameters:

ctx - the toolkit for creating the input NDArray

input - the input object

Returns:

the NDList after pre-processing

Throws:

java.lang.Exception - if an error occurs during processing input