Added iOS text classifier options

This commit is contained in:
Prianka Liz Kariat 2023-01-11 16:21:28 +05:30
parent 54268594dd
commit ed6abbbe43
3 changed files with 129 additions and 0 deletions

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# Copyright 2023 The MediaPipe Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
package(default_visibility = ["//mediapipe/tasks:internal"])
licenses(["notice"])
objc_library(
name = "MPPTextClassifierOptions",
srcs = ["sources/MPPTextClassifierOptions.m"],
hdrs = ["sources/MPPTextClassifierOptions.h"],
deps = [
"//mediapipe/tasks/ios/core:MPPTaskOptions",
],
)

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// Copyright 2023 The MediaPipe Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#import <Foundation/Foundation.h>
#import "mediapipe/tasks/ios/core/sources/MPPTaskOptions.h"
NS_ASSUME_NONNULL_BEGIN
/**
* Options for setting up a `MPPTextClassifierOptions`.
*/
NS_SWIFT_NAME(TextClassifierOptions)
@interface MPPTextClassifierOptions : MPPTaskOptions <NSCopying>
/**
* The locale to use for display names specified through the TFLite Model
* Metadata, if any. Defaults to English.
*/
@property(nonatomic, copy) NSString *displayNamesLocale;
/**
* The maximum number of top-scored classification results to return. If < 0,
* all available results will be returned. If 0, an invalid argument error is
* returned.
*/
@property(nonatomic) NSInteger maxResults;
/**
* Score threshold to override the one provided in the model metadata (if any).
* Results below this value are rejected.
*/
@property(nonatomic) float scoreThreshold;
/**
* The allowlist of category names. If non-empty, detection results whose
* category name is not in this set will be filtered out. Duplicate or unknown
* category names are ignored. Mutually exclusive with categoryDenylist.
*/
@property(nonatomic, copy) NSArray<NSString *> *categoryAllowlist;
/**
* The denylist of category names. If non-empty, detection results whose
* category name is in this set will be filtered out. Duplicate or unknown
* category names are ignored. Mutually exclusive with categoryAllowlist.
*/
@property(nonatomic, copy) NSArray<NSString *> *categoryDenylist;
@end
NS_ASSUME_NONNULL_END

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// Copyright 2023 The MediaPipe Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#import "mediapipe/tasks/ios/text/text_classifier/sources/MPPTextClassifierOptions.h"
@implementation MPPTextClassifierOptions
- (instancetype)init {
self = [super init];
if (self) {
_maxResults = -1;
_scoreThreshold = 0;
}
return self;
}
- (id)copyWithZone:(NSZone *)zone {
MPPTextClassifierOptions *textClassifierOptions = [super copyWithZone:zone];
textClassifierOptions.scoreThreshold = self.scoreThreshold;
textClassifierOptions.maxResults = self.maxResults;
textClassifierOptions.categoryDenylist = self.categoryDenylist;
textClassifierOptions.categoryAllowlist = self.categoryAllowlist;
textClassifierOptions.displayNamesLocale = self.displayNamesLocale;
return textClassifierOptions;
}
@end