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// Copyright (c) 2018, 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;
package CoreML.Specification.CoreMLModels;
/*
* A model which takes an input image and outputs array(s) of features
* according to the specified feature types
*/
message VisionFeaturePrint {
// Specific vision feature print types
// Scene extracts features useful for identifying contents of natural images
// in both indoor and outdoor environments
message Scene {
enum SceneVersion {
SCENE_VERSION_INVALID = 0;
// VERSION_1 is available on iOS,tvOS 12.0+, macOS 10.14+
// It uses a 299x299 input image and yields a 2048 float feature vector
SCENE_VERSION_1 = 1;
// VERSION_2 is available on iOS,tvOS 17.0+, macOS 14.0+
// It uses a 360x360 input image and yields a 768 float feature vector
SCENE_VERSION_2 = 2;
}
SceneVersion version = 1;
}
// Objects extracts features useful for identifying and localizing
// objects in natural images
message Objects {
enum ObjectsVersion {
OBJECTS_VERSION_INVALID = 0;
// VERSION_1 is available on iOS,tvOS 14.0+, macOS 11.0+
// It uses a 299x299 input image and yields two multiarray
// features: one at high resolution of shape (288, 35, 35)
// the other at low resolution of shape (768, 17, 17)
OBJECTS_VERSION_1 = 1;
}
ObjectsVersion version = 1;
/*
* Stores the names of the output features according to the
* order of them being computed from the neural network, i.e.,
* the first element in the output is the earliest being
* computed, while the last is the latest being computed. In
* general, the order reflects the resolution of the feature.
* The earlier it is computed, the higher the feature resolution.
*/
repeated string output = 100;
}
// Vision feature print type
oneof VisionFeaturePrintType {
Scene scene = 20;
Objects objects = 21;
}
}
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