refactored pollen inference pipeline in C++

Ingests Swisens Poleno raw data in zip format

This repository contains the first public snapshot of the refactored pollen pipeline. Development will continue in this repository.

The nlohmann JSON library (MIT license) is included to provide a ready-to-use example.

Usage: ./a.out -m model.onnx -i data.zip [options]\n

Options:
    -m, --model PATH        ONNX model file
    -i, --input PATH        Input zip file
    --num_threads N         Number of threads (default: 12)
    --batch_size N          Batch size (default: 12)
    -v, --verbose           Print class and score
    -u, --unittest          Run predefined unit test
    -h, --help              Show help

make

./a.out --model model/meteoswiss_2025_Q2_15sp.onnx --input testdata/2026-01-23_05h.zip

./a.out -u

compare the outcome with 'model_unitest/unitestdata_classifications.csv'