File: ClassConfidenceThresholding.proto

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// Copyright (c) 2022, Apple Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-3-clause license that can be
// found in LICENSE.txt or at https://opensource.org/licenses/BSD-3-Clause

syntax = "proto3";
option optimize_for = LITE_RUNTIME;

import public "DataStructures.proto";

package CoreML.Specification;

/* A model to filter classification labels by confidence thresholds.
 *
 * The model has one input:
 * - A multi-array of type FP16, FP32, or FP64 and shape [C], where C
 * is the number of classes.
 *
 * The model has one output:
 * - A multi-array of type FP16, FP32, or FP64 and shape [2, C], where
 *   C is the number of classes. The values in [0, :] is the same as
 *   the confidence inputs. The values in [1, :] is either 0 or 1,
 *   where 1 means the class is present and 0 means it is not.
 *
 * Currently, the model simply takes all the classes.
 *
 *   filteredClassConfidences[0, :] = classConfidences[:]
 *   filteredClassConfidences[1, :] = 1
 */

message ClassConfidenceThresholding {
  /**
   * The precision-recall curve for each class label.
   *
   * The field is optional. When it exists, the number of curves
   * must match the number of class labels.
   */
  repeated PrecisionRecallCurve precisionRecallCurves = 100;
}