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PiperOrigin-RevId: 528996603
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MediaPipe Team 2023-05-02 22:55:12 -07:00 committed by Copybara-Service
parent c698381e48
commit 1dea01aecc
2 changed files with 106 additions and 0 deletions
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1
mediapipe/tasks/java/com/google/mediapipe/tasks/vision/BUILD
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@ -213,6 +213,7 @@ android_library(
"handlandmarker/HandLandmark.java",
"handlandmarker/HandLandmarker.java",
"handlandmarker/HandLandmarkerResult.java",
"handlandmarker/HandLandmarksConnections.java",
],
javacopts = [
"-Xep:AndroidJdkLibsChecker:OFF",

105
mediapipe/tasks/java/com/google/mediapipe/tasks/vision/handlandmarker/HandLandmarksConnections.java Normal file
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@ -0,0 +1,105 @@
// 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 com.google.mediapipe.tasks.vision.handlandmarker;
import com.google.auto.value.AutoValue;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/** Hand landmarks connection constants. */
public final class HandLandmarksConnections {
/** Value class representing hand landmarks connection. */
@AutoValue
public abstract static class Connection {
static Connection create(int start, int end) {
return new AutoValue_HandLandmarksConnections_Connection(start, end);
}
public abstract int start();
public abstract int end();
}
@SuppressWarnings("ConstantCaseForConstants")
public static final Set<Connection> HAND_PALM_CONNECTIONS =
Collections.unmodifiableSet(
new HashSet<>(
Arrays.asList(
Connection.create(0, 1),
Connection.create(0, 5),
Connection.create(9, 13),
Connection.create(13, 17),
Connection.create(5, 9),
Connection.create(0, 17))));
@SuppressWarnings("ConstantCaseForConstants")
public static final Set<Connection> HAND_THUMB_CONNECTIONS =
Collections.unmodifiableSet(
new HashSet<>(
Arrays.asList(
Connection.create(1, 2), Connection.create(2, 3), Connection.create(3, 4))));
@SuppressWarnings("ConstantCaseForConstants")
public static final Set<Connection> HAND_INDEX_FINGER_CONNECTIONS =
Collections.unmodifiableSet(
new HashSet<>(
Arrays.asList(
Connection.create(5, 6), Connection.create(6, 7), Connection.create(7, 8))));
@SuppressWarnings("ConstantCaseForConstants")
public static final Set<Connection> HAND_MIDDLE_FINGER_CONNECTIONS =
Collections.unmodifiableSet(
new HashSet<>(
Arrays.asList(
Connection.create(9, 10), Connection.create(10, 11), Connection.create(11, 12))));
@SuppressWarnings("ConstantCaseForConstants")
public static final Set<Connection> HAND_RING_FINGER_CONNECTIONS =
Collections.unmodifiableSet(
new HashSet<>(
Arrays.asList(
Connection.create(13, 14),
Connection.create(14, 15),
Connection.create(15, 16))));
@SuppressWarnings("ConstantCaseForConstants")
public static final Set<Connection> HAND_PINKY_FINGER_CONNECTIONS =
Collections.unmodifiableSet(
new HashSet<>(
Arrays.asList(
Connection.create(17, 18),
Connection.create(18, 19),
Connection.create(19, 20))));
@SuppressWarnings("ConstantCaseForConstants")
public static final Set<Connection> HAND_CONNECTIONS =
Collections.unmodifiableSet(
Stream.of(
HAND_PALM_CONNECTIONS.stream(),
HAND_THUMB_CONNECTIONS.stream(),
HAND_INDEX_FINGER_CONNECTIONS.stream(),
HAND_MIDDLE_FINGER_CONNECTIONS.stream(),
HAND_RING_FINGER_CONNECTIONS.stream(),
HAND_PINKY_FINGER_CONNECTIONS.stream())
.flatMap(i -> i)
.collect(Collectors.toSet()));
private HandLandmarksConnections() {}
}