PtSsdTranslator (Deep Java Library 0.24.0 - pytorch-model-zoo API)

java.lang.Object
- ai.djl.modality.cv.translator.BaseImageTranslator<ai.djl.modality.cv.output.DetectedObjects>
- - ai.djl.modality.cv.translator.ObjectDetectionTranslator
  - - ai.djl.pytorch.zoo.cv.objectdetection.PtSsdTranslator

All Implemented Interfaces:

ai.djl.translate.PostProcessor<ai.djl.modality.cv.output.DetectedObjects>, ai.djl.translate.PreProcessor<ai.djl.modality.cv.Image>, ai.djl.translate.Translator<ai.djl.modality.cv.Image,ai.djl.modality.cv.output.DetectedObjects>
```
public class PtSsdTranslator
extends ai.djl.modality.cv.translator.ObjectDetectionTranslator
```
A PtSsdTranslator that post-process the NDArray into DetectedObjects with boundaries. Reference implementation: SSD.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class PtSsdTranslator.Builder
The builder for SSD translator.
- Nested classes/interfaces inherited from class ai.djl.modality.cv.translator.ObjectDetectionTranslator
  ai.djl.modality.cv.translator.ObjectDetectionTranslator.ObjectDetectionBuilder<T extends ai.djl.modality.cv.translator.ObjectDetectionTranslator.ObjectDetectionBuilder>
- Nested classes/interfaces inherited from class ai.djl.modality.cv.translator.BaseImageTranslator
  ai.djl.modality.cv.translator.BaseImageTranslator.BaseBuilder<T extends ai.djl.modality.cv.translator.BaseImageTranslator.BaseBuilder>, ai.djl.modality.cv.translator.BaseImageTranslator.ClassificationBuilder<T extends ai.djl.modality.cv.translator.BaseImageTranslator.BaseBuilder>, ai.djl.modality.cv.translator.BaseImageTranslator.SynsetLoader

Field Summary
- Fields inherited from class ai.djl.modality.cv.translator.ObjectDetectionTranslator
  applyRatio, classes, imageHeight, imageWidth, threshold
- Fields inherited from class ai.djl.modality.cv.translator.BaseImageTranslator
  pipeline

Constructor Summary

Constructors
Modifier Constructor Description

protected PtSsdTranslator(PtSsdTranslator.Builder builder)
Creates the SSD translator from the given builder.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static PtSsdTranslator.Builder`	`builder()`	Creates a builder to build a `PtSSDTranslatorBuilder`.
`static PtSsdTranslator.Builder`	`builder(java.util.Map<java.lang.String,?> arguments)`	Creates a builder to build a `PtSSDTranslatorBuilder` with specified arguments.
`void`	`prepare(ai.djl.translate.TranslatorContext ctx)`
`ai.djl.modality.cv.output.DetectedObjects`	`processOutput(ai.djl.translate.TranslatorContext ctx, ai.djl.ndarray.NDList list)`

Methods inherited from class ai.djl.modality.cv.translator.BaseImageTranslator
getBatchifier, processInput

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface ai.djl.translate.Translator
getExpansions, toBatchTranslator, toBatchTranslator

- Constructor Detail
  - PtSsdTranslator
```
protected PtSsdTranslator(PtSsdTranslator.Builder builder)
```
    Creates the SSD translator from the given builder.
    
    Parameters:
    
    builder - the builder for the translator
- Method Detail
  - prepare
```
public void prepare(ai.djl.translate.TranslatorContext ctx)
             throws java.lang.Exception
```
    Specified by:
    
    prepare in interface ai.djl.translate.Translator<ai.djl.modality.cv.Image,ai.djl.modality.cv.output.DetectedObjects>
    
    Overrides:
    
    prepare in class ai.djl.modality.cv.translator.ObjectDetectionTranslator
    
    Throws:
    
    java.lang.Exception
  - processOutput
```
public ai.djl.modality.cv.output.DetectedObjects processOutput(ai.djl.translate.TranslatorContext ctx,
                                                               ai.djl.ndarray.NDList list)
```
  - builder
```
public static PtSsdTranslator.Builder builder()
```
    Creates a builder to build a PtSSDTranslatorBuilder.
    
    Returns:
    
    a new builder
  - builder
```
public static PtSsdTranslator.Builder builder(java.util.Map<java.lang.String,?> arguments)
```
    Creates a builder to build a PtSSDTranslatorBuilder with specified arguments.
    
    Parameters:
    
    arguments - arguments to specify builder options
    
    Returns:
    
    a new builder