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ImageClassificationTrainer PredictedLabelColumnName bug when the name is not default #7458

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Merged
michaelgsharp merged 2 commits into from
May 9, 2025
Merged

ImageClassificationTrainer PredictedLabelColumnName bug when the name is not default #7458

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648199c
set PredictedLabelColumnName
feiyun0112-code May 6, 2025
a82504b
Update src/Microsoft.ML.Data/Scorers/PredictedLabelScorerBase.cs
feiyun0112 May 7, 2025
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8 changes: 7 additions & 1 deletion src/Microsoft.ML.Data/Scorers/PredictedLabelScorerBase.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,11 @@ private protected sealed class BindingsImpl : BindingsBase
public readonly int ScoreColumnIndex;
// The type of the derived column.
public readonly DataViewType PredColType;
/// <summary>
/// The name of the column that contains the predicted labels.
/// This field is used in the scoring process to store or reference the predicted label column.
/// </summary>
public readonly string PredictedLabelColumnName;
// The ScoreColumnKind metadata value for all score columns.
public readonly string ScoreColumnKind;

Expand All @@ -54,6 +59,7 @@ private BindingsImpl(DataViewSchema input, ISchemaBoundRowMapper mapper, string
ScoreColumnIndex = scoreColIndex;
ScoreColumnKind = scoreColumnKind;
PredColType = predColType;
PredictedLabelColumnName = predictedLabelColumnName;

_getScoreColumnKind = GetScoreColumnKind;
_getScoreValueKind = GetScoreValueKind;
Expand Down Expand Up @@ -113,7 +119,7 @@ public BindingsImpl ApplyToSchema(DataViewSchema input, ISchemaBindableMapper bi
bool tmp = rowMapper.OutputSchema.TryGetColumnIndex(scoreCol, out mapperScoreColumn);
env.Check(tmp, "Mapper doesn't have expected score column");

return new BindingsImpl(input, rowMapper, Suffix, ScoreColumnKind, true, mapperScoreColumn, PredColType);
return new BindingsImpl(input, rowMapper, Suffix, ScoreColumnKind, true, mapperScoreColumn, PredColType, PredictedLabelColumnName);
}

public static BindingsImpl Create(ModelLoadContext ctx, DataViewSchema input,
Expand Down