Added MPPLandmark
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parent
37334098b0
commit
cfa261b34f
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@ -54,3 +54,9 @@ objc_library(
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"//third_party/apple_frameworks:UIKit",
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],
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)
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objc_library(
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name = "MPPLandmark",
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srcs = ["sources/MPPLandmark.m"],
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hdrs = ["sources/MPPLandmark.h"],
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)
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126
mediapipe/tasks/ios/components/containers/sources/MPPLandmark.h
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126
mediapipe/tasks/ios/components/containers/sources/MPPLandmark.h
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@ -0,0 +1,126 @@
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// Copyright 2023 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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* Landmark represents a point in 3D space with x, y, z coordinates. The landmark coordinates are in
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* meters. z represents the landmark depth, and the smaller the value the closer the world landmark
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* is to the camera.
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*/
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NS_SWIFT_NAME(Landmark)
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@interface MPPLandmark : NSObject
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/** The x coordinates of the landmark. */
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@property(nonatomic, readonly) float x;
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/** The y coordinates of the landmark. */
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@property(nonatomic, readonly) float y;
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/** The z coordinates of the landmark. */
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@property(nonatomic, readonly) float z;
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/**
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* Landmark visibility. Should be `nil` if not supported. Float score of whether landmark is visible
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* or occluded by other objects. Landmark considered as invisible also if it is not present on the
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* screen (out of scene bounds). Depending on the model, visibility value is either a sigmoid or an
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* argument of sigmoid.
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*/
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@property(nonatomic, readonly, nullable) NSNumber *visibility;
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/**
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* Landmark presence. Should stay unset if not supported. Float score of whether landmark is present
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* on the scene (located within scene bounds). Depending on the model, presence value is either a
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* result of sigmoid or an argument of sigmoid function to get landmark presence probability.
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*/
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@property(nonatomic, readonly) NSNumber *presence;
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/**
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* Initializes a new `MPPLandmark` object with the given x, y and z coordinates.
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*
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* @param x The x coordinates of the landmark.
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* @param y The y coordinates of the landmark.
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* @param z The z coordinates of the landmark.
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*
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* @return An instance of `MPPLandmark` initialized with the given x, y and z coordinates.
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*/
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- (instancetype)initWithX:(float)x
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y:(float)y
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z:(float)z
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visibility:(nullable NSNumber *)visibility
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presence:(nullable NSNumber *)presence NS_DESIGNATED_INITIALIZER;
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- (instancetype)init NS_UNAVAILABLE;
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+ (instancetype)new NS_UNAVAILABLE;
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@end
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/**
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* Normalized Landmark represents a point in 3D space with x, y, z coordinates. x and y are
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* normalized to [0.0, 1.0] by the image width and height respectively. z represents the landmark
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* depth, and the smaller the value the closer the landmark is to the camera. The magnitude of z
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* uses roughly the same scale as x.
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*/
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NS_SWIFT_NAME(NormalizedLandmark)
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@interface MPPNormalizedLandmark : NSObject
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/** The x coordinates of the landmark. */
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@property(nonatomic, readonly) float x;
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/** The y coordinates of the landmark. */
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@property(nonatomic, readonly) float y;
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/** The z coordinates of the landmark. */
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@property(nonatomic, readonly) float z;
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/**
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* Landmark visibility. Should be `nil` if not supported. Float score of whether landmark is visible
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* or occluded by other objects. Landmark considered as invisible also if it is not present on the
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* screen (out of scene bounds). Depending on the model, visibility value is either a sigmoid or an
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* argument of sigmoid.
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*/
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@property(nonatomic, readonly, nullable) NSNumber *visibility;
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/**
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* Landmark presence. Should stay unset if not supported. Float score of whether landmark is present
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* on the scene (located within scene bounds). Depending on the model, presence value is either a
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* result of sigmoid or an argument of sigmoid function to get landmark presence probability.
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*/
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@property(nonatomic, readonly) NSNumber *presence;
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/**
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* Initializes a new `MPPNormalizedLandmark` object with the given x, y and z coordinates.
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*
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* @param x The x coordinates of the landmark.
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* @param y The y coordinates of the landmark.
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* @param z The z coordinates of the landmark.
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*
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* @return An instance of `MPPNormalizedLandmark` initialized with the given x, y and z coordinates.
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*/
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- (instancetype)initWithX:(float)x
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y:(float)y
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z:(float)z
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visibility:(nullable NSNumber *)visibility
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presence:(nullable NSNumber *)presence NS_DESIGNATED_INITIALIZER;
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- (instancetype)init NS_UNAVAILABLE;
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+ (instancetype)new NS_UNAVAILABLE;
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@end
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NS_ASSUME_NONNULL_END
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105
mediapipe/tasks/ios/components/containers/sources/MPPLandmark.m
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105
mediapipe/tasks/ios/components/containers/sources/MPPLandmark.m
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@ -0,0 +1,105 @@
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// Copyright 2023 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import "mediapipe/tasks/ios/components/containers/sources/MPPLandmark.h"
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static const float kFloatDifferenceTolerance = 1e-6f;
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@implementation MPPLandmark
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- (instancetype)initWithX:(float)x
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y:(float)y
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z:(float)z
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visibility:(NSNumber *)visibility
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presence:(NSNumber *)presence {
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self = [super init];
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if (self) {
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_x = x;
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_y = y;
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_z = z;
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_visibility = visibility;
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_presence = presence;
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}
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return self;
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}
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- (NSUInteger)hash {
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return @(self.x).hash ^ @(self.y).hash ^ @(self.z).hash;
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}
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- (BOOL)isEqual:(nullable id)object {
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if (!object) {
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return NO;
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}
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if (self == object) {
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return YES;
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}
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if (![object isKindOfClass:[MPPLandmark class]]) {
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return NO;
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}
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MPPLandmark *otherLandmark = (MPPLandmark *)object;
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return fabsf(otherLandmark.x - self.x) < kFloatDifferenceTolerance &&
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fabsf(otherLandmark.y - self.y) < kFloatDifferenceTolerance &&
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fabsf(otherLandmark.z - self.z) < kFloatDifferenceTolerance;
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}
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@end
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@implementation MPPNormalizedLandmark
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- (instancetype)initWithX:(float)x
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y:(float)y
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z:(float)z
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visibility:(NSNumber *)visibility
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presence:(NSNumber *)presence {
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self = [super init];
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if (self) {
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_x = x;
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_y = y;
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_z = z;
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_visibility = visibility;
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_presence = presence;
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}
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return self;
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}
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- (NSUInteger)hash {
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return @(self.x).hash ^ @(self.y).hash ^ @(self.z).hash;
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}
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- (BOOL)isEqual:(nullable id)object {
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if (!object) {
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return NO;
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}
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if (self == object) {
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return YES;
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}
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if (![object isKindOfClass:[MPPNormalizedLandmark class]]) {
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return NO;
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}
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MPPNormalizedLandmark *otherLandmark = (MPPNormalizedLandmark *)object;
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return fabsf(otherLandmark.x - self.x) < kFloatDifferenceTolerance &&
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fabsf(otherLandmark.y - self.y) < kFloatDifferenceTolerance &&
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fabsf(otherLandmark.z - self.z) < kFloatDifferenceTolerance;
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}
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@end
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