Android MLKit-执行Firebase ML任务时发生内部错误 [英] Android MLKit - Internal error has occurred when executing Firebase ML tasks

问题描述

我有一个自定义模型，我在android应用中使用了该模型，但是无论何时尝试运行它，都会抛出MLkitExceptions，该错误的日志输出如下:

Hi I have a custom model that im using in an android app, how ever when i try to run it, an MLkitExceptions is thrown, the log output for said error is the following:

Internal error has occurred when executing Firebase ML tasks

我的应用程序的Java代码如下:

My java code for my app looks like the following:

FirebaseLocalModel localModel = new FirebaseLocalModel.Builder("local_places_recommend")
                .setAssetFilePath("recsys.tflite").build();

FirebaseModelManager.getInstance().registerLocalModel(localModel);



FirebaseModelOptions options = new FirebaseModelOptions.Builder()
                .setLocalModelName("local_places_recommend")
                .build();

FirebaseModelInterpreter firebaseInterpreter = FirebaseModelInterpreter.getInstance(options);

FirebaseModelInputOutputOptions inputOutputOptions =
       new FirebaseModelInputOutputOptions.Builder()
                .setInputFormat(0, FirebaseModelDataType.FLOAT32, new int[]{1, 3})
                .setOutputFormat(0, FirebaseModelDataType.FLOAT32, new int[]{1, 1, 34})
                .build();

float[][] input = new float[1][3];

input[0][0] = d1;
input[0][1] = d2;
input[0][2] = d3;


FirebaseModelInputs inputs = new FirebaseModelInputs.Builder()
                .add(input)
                .build();

每当我尝试运行FirebaseModelInterpreter时，我都会收到该错误，而没有其他内容.

whenever i try to run the FirebaseModelInterpreter I get that error and nothing else.

输入张量和输出张量的形状分别为:

The shape of the input tensor and output tensor are the following respectively:

[1 3]
<class 'numpy.float32'>
[ 1  1 34]
<class 'numpy.int64'>

对于此问题的任何帮助或见解，我们将不胜感激.

Any help or insight about this issue would be gladly appreciated.

推荐答案

如Firebase文档中所述: https://firebase.google.com/docs/reference/android/com/google/firebase/ml/custom/FirebaseModelDataType

As mentioned in the documentation of Firebase : https://firebase.google.com/docs/reference/android/com/google/firebase/ml/custom/FirebaseModelDataType

没有类型INT64，请尝试编写INT32而不是FLOAT32.

There is no type INT64, please try to write INT32 instead of FLOAT32.

FirebaseModelInputOutputOptions inputOutputOptions =
           new FirebaseModelInputOutputOptions.Builder()
                    .setInputFormat(0, FirebaseModelDataType.FLOAT32, new int[]{1, 3})
                    .setOutputFormat(0, FirebaseModelDataType.FLOAT32, new int[]{1, 1, 34})// try to change FLOAT32 to Int32
                    .build();

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