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举手

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This commit is contained in:
tanglong 2025-10-15 10:01:58 +08:00
parent 027cffa506
commit 29360dcb96
4 changed files with 148 additions and 116 deletions
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88
Wpf_AiSportsMicrospace/Common/SportOperate.cs
View File

@ -65,57 +65,65 @@ namespace Wpf_AiSportsMicrospace.Common
return _webcamClient;
}
public int VerifyWavingAction(Human human)
public int VerifyWavingAction(List<Human> humans)
{
var nose = human.Keypoints.FirstOrDefault(k => k.Name == "right_ankle");
if (nose == null)
if (humans == null || humans.Count == 0)
return (int)WavingAction.None;
double xNorm = nose.X / 1920;
double yNorm = nose.Y / 1080;
if (!(xNorm >= 0.44 && xNorm <= 0.57 && yNorm >= 0.81))
return (int)WavingAction.None;
var leftWrist = human.Keypoints.FirstOrDefault(x => x.Name == "left_wrist");
var leftElbow = human.Keypoints.FirstOrDefault(x => x.Name == "left_elbow");
var rightWrist = human.Keypoints.FirstOrDefault(x => x.Name == "right_wrist");
var rightElbow = human.Keypoints.FirstOrDefault(x => x.Name == "right_elbow");
// --- 左手挥手 ---
if (leftWrist != null && leftElbow != null)
foreach (var human in humans)
{
int leftResult = DetectHorizontalWave(
new Point(leftWrist.X, leftWrist.Y),
new Point(leftElbow.X, leftElbow.Y),
ref _lastLeftWrist,
ref _leftWristDeltaX,
true);
if (leftResult != (int)WavingAction.None)
return leftResult;
}
var rightAnkle = human.Keypoints.FirstOrDefault(k => k.Name == "right_ankle");
if (rightAnkle == null)
continue;
// --- 右手举手优先判断 ---
int rightHandAction = DetectRightHandRaise(human);
if (rightHandAction != (int)WavingAction.None)
return rightHandAction;
double xNorm = rightAnkle.X / 1920;
double yNorm = rightAnkle.Y / 1080;
// --- 右手挥手，仅当未举手时判断 ---
if (rightWrist != null && rightElbow != null)
{
int rightWaveResult = DetectHorizontalWave(
new Point(rightWrist.X, rightWrist.Y),
new Point(rightElbow.X, rightElbow.Y),
ref _lastRightWrist,
ref _rightWristDeltaX,
false);
if (rightWaveResult != (int)WavingAction.None)
return rightWaveResult;
// 仅检测中心区域内的人
if (!(xNorm >= 0.44 && xNorm <= 0.57 && yNorm >= 0.81))
continue;
var leftWrist = human.Keypoints.FirstOrDefault(x => x.Name == "left_wrist");
var leftElbow = human.Keypoints.FirstOrDefault(x => x.Name == "left_elbow");
var rightWrist = human.Keypoints.FirstOrDefault(x => x.Name == "right_wrist");
var rightElbow = human.Keypoints.FirstOrDefault(x => x.Name == "right_elbow");
// --- 右手举手优先 ---
int rightHandAction = DetectRightHandRaise(human);
if (rightHandAction != (int)WavingAction.None)
return rightHandAction;
// --- 左手挥手 ---
if (leftWrist != null && leftElbow != null)
{
int leftResult = DetectHorizontalWave(
new Point(leftWrist.X, leftWrist.Y),
new Point(leftElbow.X, leftElbow.Y),
ref _lastLeftWrist,
ref _leftWristDeltaX,
true);
if (leftResult != (int)WavingAction.None)
return leftResult;
}
// --- 右手挥手 ---
if (rightWrist != null && rightElbow != null)
{
int rightWaveResult = DetectHorizontalWave(
new Point(rightWrist.X, rightWrist.Y),
new Point(rightElbow.X, rightElbow.Y),
ref _lastRightWrist,
ref _rightWristDeltaX,
false);
if (rightWaveResult != (int)WavingAction.None)
return rightWaveResult;
}
}
return (int)WavingAction.None;
}
/// <summary>
/// 检测右手举手状态
/// </summary>

2
Wpf_AiSportsMicrospace/Views/CenterHome.xaml.cs
View File

@ -87,7 +87,7 @@ namespace Wpf_AiSportsMicrospace.Views
if (human == null) return;
//检测挥手动作
var wavingaction = sportOperate.VerifyWavingAction(human);
var wavingaction = sportOperate.VerifyWavingAction(humans);
switch (wavingaction)
{

2
Wpf_AiSportsMicrospace/Views/Home.xaml.cs
View File

@ -71,7 +71,7 @@ namespace Wpf_AiSportsMicrospace
if (human == null) return;
//检测挥手动作
var wavingaction = _mainWin.SportOperate.VerifyWavingAction(human);
var wavingaction = _mainWin.SportOperate.VerifyWavingAction(humans);
switch (wavingaction)
{

172
Wpf_AiSportsMicrospace/Views/JumpRope/GroupJumpRope.xaml.cs
View File

@ -158,38 +158,37 @@ namespace Wpf_AiSportsMicrospace.Views
if (humans == null || humans.Count == 0) return;
int wavingaction = 0;
foreach (var human in humans)
wavingaction = DetectRightHandRaise(humans);
if (wavingaction < 3)
return;
switch (wavingaction)
{
wavingaction = DetectRightHandRaise(human);
case (int)WavingAction.FirstHand:
// 第一次举手，初始化倒计时
StartCountdown(3);
break;
if (wavingaction < 3)
continue;
case (int)WavingAction.Raising:
// 持续倒计时中
UpdateCountdown();
break;
switch (wavingaction)
{
case (int)WavingAction.FirstHand:
// 第一次举手，初始化倒计时
StartCountdown(3);
break;
case (int)WavingAction.RaiseHand:
// 举手完成，倒计时结束
FinishCountdown();
break;
case (int)WavingAction.Raising:
// 持续倒计时中
UpdateCountdown();
break;
case (int)WavingAction.RaiseHand:
// 举手完成，倒计时结束
FinishCountdown();
break;
default:
// 没检测到动作，重置倒计时显示
Utils.StopBackgroundMusic();
countdownText.Text = "3";
countdownGrid.Visibility = Visibility.Hidden;
break;
}
default:
// 没检测到动作，重置倒计时显示
Utils.StopBackgroundMusic();
countdownText.Text = "3";
countdownGrid.Visibility = Visibility.Hidden;
break;
}
}
else
{
@ -273,66 +272,91 @@ namespace Wpf_AiSportsMicrospace.Views
private bool _firstHandTriggered;
private int _lastCountdownSecond = 3;
private DateTime? _countdownStartTime;
public int DetectRightHandRaise(Human human)
public int DetectRightHandRaise(List<Human> humans)
{
var rightWrist = human.Keypoints.FirstOrDefault(k => k.Name == "right_wrist");
var rightElbow = human.Keypoints.FirstOrDefault(k => k.Name == "right_elbow");
if (humans == null || humans.Count == 0)
return (int)WavingAction.None;
const double raiseThreshold = 60; // 举手阈值
const double holdDuration = 1; // 持续 2 秒触发倒计时
const int countdownSeconds = 3; // 倒计时长度
bool handRaised = false;
if (rightWrist != null && rightElbow != null)
foreach (var human in humans)
{
double verticalRise = rightElbow.Y - rightWrist.Y;
handRaised = verticalRise >= raiseThreshold;
}
if (human?.Keypoints == null)
continue;
// ---------- 第一步：持续举手触发倒计时 ----------
if (!_firstHandTriggered)
{
if (handRaised)
// --- 筛选右脚踝坐标 ---
var rightAnkle = human.Keypoints.FirstOrDefault(k => k.Name == "right_ankle");
if (rightAnkle == null)
continue;
double xNorm = rightAnkle.X / 1920;
double yNorm = rightAnkle.Y / 1080;
// 仅检测中心区域内的人
if (!(xNorm >= 0.44 && xNorm <= 0.57 && yNorm >= 0.81))
continue;
// --- 获取右臂关键点 ---
var rightWrist = human.Keypoints.FirstOrDefault(k => k.Name == "right_wrist");
var rightElbow = human.Keypoints.FirstOrDefault(k => k.Name == "right_elbow");
const double raiseThreshold = 60; // 举手阈值
const double holdDuration = 1; // 持续时间（秒）
const int countdownSeconds = 3; // 倒计时长度
bool handRaised = false;
if (rightWrist != null && rightElbow != null)
{
_raiseStartTime ??= DateTime.Now;
var holdElapsed = (DateTime.Now - _raiseStartTime.Value).TotalSeconds;
if (holdElapsed >= holdDuration)
double verticalRise = rightElbow.Y - rightWrist.Y;
handRaised = verticalRise >= raiseThreshold;
}
// ---------- 第一步：持续举手触发倒计时 ----------
if (!_firstHandTriggered)
{
if (handRaised)
{
// 举手达到 2 秒，启动倒计时
_firstHandTriggered = true;
_countdownStartTime = DateTime.Now;
_lastCountdownSecond = countdownSeconds;
return (int)WavingAction.FirstHand;
_raiseStartTime ??= DateTime.Now;
var holdElapsed = (DateTime.Now - _raiseStartTime.Value).TotalSeconds;
if (holdElapsed >= holdDuration)
{
// 举手达到指定时间，启动倒计时
_firstHandTriggered = true;
_countdownStartTime = DateTime.Now;
_lastCountdownSecond = countdownSeconds;
return (int)WavingAction.FirstHand;
}
}
else
{
// 手放下，重置举手开始时间
_raiseStartTime = DateTime.Now;
}
continue; // 本人未触发，检测下一个人
}
else
// ---------- 第二步：倒计时逻辑 ----------
var countdownElapsed = (DateTime.Now - _countdownStartTime.Value).TotalSeconds;
int currentSecond = countdownSeconds - (int)Math.Floor(countdownElapsed);
if (currentSecond > 0 && currentSecond != _lastCountdownSecond)
{
// 手放下，重置举手开始时间
_raiseStartTime = DateTime.Now;
_lastCountdownSecond = currentSecond;
Console.WriteLine($"倒计时：{currentSecond}");
return (int)WavingAction.Raising; // 倒计时中
}
return (int)WavingAction.None; // 倒计时未开始
if (countdownElapsed >= countdownSeconds)
{
ResetRaiseState();
return (int)WavingAction.RaiseHand; // 举手完成
}
return (int)WavingAction.Raising;
}
// ---------- 第二步：倒计时逻辑（独立于手状态） ----------
var countdownElapsed = (DateTime.Now - _countdownStartTime.Value).TotalSeconds;
int currentSecond = countdownSeconds - (int)Math.Floor(countdownElapsed);
if (currentSecond > 0 && currentSecond != _lastCountdownSecond)
{
_lastCountdownSecond = currentSecond;
Console.WriteLine($"倒计时：{currentSecond}");
return (int)WavingAction.Raising; // 倒计时中
}
if (countdownElapsed >= countdownSeconds)
{
ResetRaiseState();
return (int)WavingAction.RaiseHand; // 举手完成
}
return (int)WavingAction.Raising; // 倒计时中
// 没有任何中心区域内的人举手
return (int)WavingAction.None;
}
private void ResetRaiseState()