Patent ID: 11944382
Assignee: OREGON HEALTH & SCIENCE UNIVERSITY
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 2:
3. The method of claim 2, wherein the bulk motion phase shift, ΔϕB, is determined from the set of variance values v1, v2, v3, and v4 according to:, Δ
    ⁢
    
      ϕ
      B
    
  
  =
  
    atan
    ⁢
    
      
    
    ⁢
    2
    ⁢
    
      
        (
        
          
            
              v
              3
            
            -
            
              v
              4
            
          
          
            
              v
              2
            
            -
            
              v
              1
            
          
        
        )
      
      .