From 7fe365489dfd2f6726a9db734b244d74e778e4fb Mon Sep 17 00:00:00 2001 From: Prianka Liz Kariat Date: Fri, 23 Jun 2023 20:09:05 +0530 Subject: [PATCH] Added iOS Image Segmenter Result --- .../tasks/ios/vision/image_segmenter/BUILD | 28 ++++++++ .../sources/MPPImageSegmenterResult.h | 65 +++++++++++++++++++ .../sources/MPPImageSegmenterResult.m | 32 +++++++++ 3 files changed, 125 insertions(+) create mode 100644 mediapipe/tasks/ios/vision/image_segmenter/BUILD create mode 100644 mediapipe/tasks/ios/vision/image_segmenter/sources/MPPImageSegmenterResult.h create mode 100644 mediapipe/tasks/ios/vision/image_segmenter/sources/MPPImageSegmenterResult.m diff --git a/mediapipe/tasks/ios/vision/image_segmenter/BUILD b/mediapipe/tasks/ios/vision/image_segmenter/BUILD new file mode 100644 index 000000000..c0700a8d9 --- /dev/null +++ b/mediapipe/tasks/ios/vision/image_segmenter/BUILD @@ -0,0 +1,28 @@ +# 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. + +package(default_visibility = ["//mediapipe/tasks:internal"]) + +licenses(["notice"]) + +objc_library( + name = "MPPImageSegmenterResult", + srcs = ["sources/MPPImageSegmenterResult.m"], + hdrs = ["sources/MPPImageSegmenterResult.h"], + deps = [ + "//mediapipe/tasks/ios/vision/core:MPPMask", + "//mediapipe/tasks/ios/core:MPPTaskResult", + ], +) + diff --git a/mediapipe/tasks/ios/vision/image_segmenter/sources/MPPImageSegmenterResult.h b/mediapipe/tasks/ios/vision/image_segmenter/sources/MPPImageSegmenterResult.h new file mode 100644 index 000000000..c0c299f77 --- /dev/null +++ b/mediapipe/tasks/ios/vision/image_segmenter/sources/MPPImageSegmenterResult.h @@ -0,0 +1,65 @@ +// 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 +#import "mediapipe/tasks/ios/core/sources/MPPTaskResult.h" +#import "mediapipe/tasks/ios/vision/core/sources/MPPMask.h" + +NS_ASSUME_NONNULL_BEGIN + +/** Represents the segmentation results generated by `MPPImageSegmenter`. */ +NS_SWIFT_NAME(ImageSegmenterResult) +@interface MPPImageSegmenterResult : MPPTaskResult + +/** An optional array of `MPPMask` objects. Each `MPPMask` in the array holds a 32 bit float array + * of size `image width` * `image height` which represents the confidence mask for each category. + * Each element of the float array represents the confidence with which the model predicted that the + * corresponding pixel belongs to the category that the mask represents, usually in the range [0, + * 1]. */ +@property(nonatomic, readonly, nullable) NSArray *confidenceMasks; + +/** An optional `MPPMask` that holds a`UInt8` array of size `image width` * `image height`. Each + * element of this array represents the class to which the pixel in the original image was predicted + * to belong to. */ +@property(nonatomic, readonly, nullable) MPPMask *categoryMask; + +/** + * The quality scores of the result masks, in the range of [0, 1]. Defaults + * to `1` if the model doesn't output quality scores. Each element corresponds to the score of + * the category in the model outputs. + */ +@property(nonatomic, readonly, nullable) NSArray *qualityScores; + +/** + * Initializes a new `MPPImageSegmenterResult` with the given array of confidence masks, category + * mask, quality scores and timestamp (in milliseconds). + * + * @param confidenceMasks An optional array of `MPPMask` objects. Each `MPPMask` in the array must + * be of type `MPPMaskDataTypeFloat32`. + * @param categoryMask An optional `MPMask` object of type `MPPMaskDataTypeUInt8`. + * @param qualityScores The quality scores of the result masks of type NSArray *. Each + * `NSNumber` in the array holds a `float`. + * @param timestampInMilliseconds The timestamp (in milliseconds) for this result. + * + * @return An instance of `MPPImageSegmenterResult` initialized with the given array of confidence + * masks, category mask, quality scores and timestamp (in milliseconds). + */ +- (instancetype)initWithConfidenceMasks:(nullable NSArray *)confidenceMasks + categoryMasks:(nullable MPPMask *)categoryMask + qualityScores:(nullable NSArray *)qualityScores + timestampInMilliseconds:(NSInteger)timestampInMilliseconds; + +@end + +NS_ASSUME_NONNULL_END diff --git a/mediapipe/tasks/ios/vision/image_segmenter/sources/MPPImageSegmenterResult.m b/mediapipe/tasks/ios/vision/image_segmenter/sources/MPPImageSegmenterResult.m new file mode 100644 index 000000000..2b11fc160 --- /dev/null +++ b/mediapipe/tasks/ios/vision/image_segmenter/sources/MPPImageSegmenterResult.m @@ -0,0 +1,32 @@ +// 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/vision/image_segmenter/sources/MPPImageSegmenterResult.h" + +@implementation MPPImageSegmenterResult + +- (instancetype)initWithConfidenceMasks:(NSArray *)confidenceMasks + categoryMask:(MPPMask *)categoryMask + qualityScores:(NSArray *)qualityScores + timestampInMilliseconds:(NSInteger)timestampInMilliseconds { + self = [super initWithTimestampInMilliseconds:timestampInMilliseconds]; + if (self) { + _confidenceMasks = confidenceMasks; + _categoryMask = categoryMask; + _qualityScores = qualityScores; + } + return self; +} + +@end