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我有一個骨架縮放到屏幕(2/3屏幕)的固定高度,現在我想縮放圖像(與背景減法)以匹配該骨架。我使用下面的這個方法來找出目標距離,在屏幕上獲得一個固定的高度(無論用戶有多遠或接近),然後我計算一個垂直平移,以獲得骨骼的腳關節在底部圖片。如何縮放圖像以匹配比例縮放的骨架與Kinect
void KinectClass::ScaleJoints(){
//Target Height in screen
double targetAdultHeightScreen = windowHeight*5/6;
double originalAdultDistance = players[0].hipCenter.z;
// Original Height in Screen
originalHeightScreenAdult = SkeletonToScreen(players[0].rightFoot, windowWidth, windowHeight).y - SkeletonToScreen(players[0].head, windowWidth, windowHeight).y;
// Target distance to get target height
AdultscaleDistance = originalHeightScreenAdult * originalAdultDistance/ targetAdultHeightScreen;
//New headJoint scaled to compute vertical translation
Vector4 headJointAdult = {players[0].head.x ,players[0].head.y , AdultscaleDistance,players[0].head.w};
//Vertical translation
transAdult = windowHeight/6 - SkeletonToScreen(headJointAdult, windowWidth, windowHeight).y;
scaleRatioAdult = originalHeightScreenAdult/targetAdultHeightScreen;
}
事情是這樣的:
現在我要縮放位圖圖像(現在是屏幕的大小),所以我的骨架與之相匹配的圖像。
D2D1_SIZE_F screenSize = renderTarget_->GetSize();
//D2D1_RECT_F rec = D2D1::RectF(0, 0, screenSize.width, screenSize.height);
的問題是,現在我要縮放圖像,以匹配其不僅擁有用戶,但整個場景(Kinect的顏色流)的骨架。
我必須將哪些轉換應用於該位圖?