They're not quad tests, they ARE pixel perfect tests. Even the docs say this and it doesn't take long to test it...
Graphics 640,480 Global box:TImage=CreateImage(64,64) Global circle:TImage=CreateImage(64,64) SetColor 255,0,0 DrawRect 0,0,64,64 GrabImage box,0,0 Cls SetColor 0,255,0 DrawOval 0,0,64,64 GrabImage circle,0,0 SetColor 255,255,255 While Not KeyHit(key_escape) Local mx:Int=MouseX(),my:Int=MouseY() Cls DrawImage box,288,208 DrawImage circle,mx-32,my-32 If ImagesCollide(box,288,208,0,circle,mx-32,my-32,0) Then DrawText "Collision",10,10 Flip;FlushMem Wend