MayaFlux 0.4.0
Digital-First Multimedia Processing Framework
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◆ create_pipeline_output()

template<ComputeData InputType = std::vector<Kakshya::DataVariant>, ComputeData OutputType = Eigen::VectorXd>
output_type MayaFlux::Yantra::StatisticalAnalyzer< InputType, OutputType >::create_pipeline_output ( const input_type input,
const StatisticalAnalysis analysis_result,
DataStructureInfo info 
)
inlineprivate

Create pipeline output for operation chaining.

Definition at line 631 of file StatisticalAnalyzer.hpp.

632 {
633 std::vector<std::vector<double>> channel_stats;
634 channel_stats.reserve(analysis_result.channel_statistics.size());
635 for (const auto& ch : analysis_result.channel_statistics) {
636 channel_stats.push_back(ch.statistical_values);
637 }
638
639 output_type output = this->convert_result(channel_stats, info);
640
641 output.metadata = input.metadata;
642
643 output.metadata["source_analyzer"] = "StatisticalAnalyzer";
644 output.metadata["statistical_method"] = method_to_string(analysis_result.method_used);
645 output.metadata["window_size"] = analysis_result.window_size;
646 output.metadata["hop_size"] = analysis_result.hop_size;
647 output.metadata["num_channels"] = analysis_result.channel_statistics.size();
648
649 if (!analysis_result.channel_statistics.empty()) {
650 std::vector<double> channel_means, channel_maxs, channel_mins, channel_variances, channel_stddevs, channel_skewness, channel_kurtosis, channel_medians;
651 std::vector<size_t> channel_window_counts;
652
653 for (const auto& ch : analysis_result.channel_statistics) {
654 channel_means.push_back(ch.mean_stat);
655 channel_maxs.push_back(ch.max_stat);
656 channel_mins.push_back(ch.min_stat);
657 channel_variances.push_back(ch.stat_variance);
658 channel_stddevs.push_back(ch.stat_std_dev);
659 channel_skewness.push_back(ch.skewness);
660 channel_kurtosis.push_back(ch.kurtosis);
661 channel_medians.push_back(ch.median);
662 channel_window_counts.push_back(ch.statistical_values.size());
663 }
664
665 output.metadata["mean_per_channel"] = channel_means;
666 output.metadata["max_per_channel"] = channel_maxs;
667 output.metadata["min_per_channel"] = channel_mins;
668 output.metadata["variance_per_channel"] = channel_variances;
669 output.metadata["stddev_per_channel"] = channel_stddevs;
670 output.metadata["skewness_per_channel"] = channel_skewness;
671 output.metadata["kurtosis_per_channel"] = channel_kurtosis;
672 output.metadata["median_per_channel"] = channel_medians;
673 output.metadata["window_count_per_channel"] = channel_window_counts;
674 }
675
676 return output;
677 }
output_type convert_result(std::vector< std::vector< double > > &result_data, DataStructureInfo &metadata)
Convert processed double data back to OutputType using metadata and optional callback.
static std::string method_to_string(StatisticalMethod method)
Convert statistical method enum to string.

References MayaFlux::Yantra::StatisticalAnalysis::channel_statistics, MayaFlux::Yantra::StatisticalAnalysis::hop_size, MayaFlux::Yantra::Datum< T >::metadata, MayaFlux::Yantra::StatisticalAnalysis::method_used, and MayaFlux::Yantra::StatisticalAnalysis::window_size.