Mean average precision of 0.00 for detectnet_v2 using Tao Toolkit

Please use 3 channels images.
More ,could you change as below if trigger new training?

    zoom_min: 0.1  **(set to 1.0)**
    zoom_max: 0.1   **(set to 1.0)**
  }
}

And, if trigger new evaluation only, please try below.

postprocessing_config {
  target_class_config {
    key: "standard"
    value {
      clustering_config {
        clustering_algorithm: DBSCAN
        dbscan_confidence_threshold: 0.9  **(try lower value)**
        coverage_threshold: 0.00499999988824
        dbscan_eps: 0.20000000298
        dbscan_min_samples: 0.0500000007451
        minimum_bounding_box_height: 20   **(set to lower value)**