Automatic landmark identification using a new method of non-rigid correspondence

1997 ◽  
pp. 483-488 ◽  
Author(s):  
A. Hill ◽  
A. D. Brett ◽  
C. J. Taylor
Keyword(s):  
New Method ◽  
Landmark Identification

The Superimposition of Lateral Skull Radiographs by Subtraction: A New Method

1980 ◽  
Vol 7 (3) ◽  
pp. 121-124 ◽  
Author(s):  
R. T. Lee
Keyword(s):  
Case Analysis ◽  
Individual Case ◽  
Cranial Base ◽  
New Method ◽  
Subtraction Technique ◽  
Rotational Displacement ◽  
Landmark Identification ◽  
Anterior Cranial Base ◽  
Skull Radiographs

A method of direct superimposition of an individual's lateral skull radiographs using a radiographic subtraction technique is outlined. The errors introduced by superimposition on two different occasions by the same operator are quantified, 30 pairs of radiographs being superimposed on the anterior cranial base. The average landmark displacement is less than 1·16 mm and very little rotational displacement occurs in relation to the plane of superimposition, this being an average 0·38°. In cephalometric superimposition the errors occurring add to those in landmark identification and should be considered in individual case analysis.

Selective Sampling and Orientation of Non-Homogeneous Tissues

1968 ◽  
Vol 26 ◽  
pp. 98-99
Author(s):  
C. C. Clawson ◽  
L. W. Anderson ◽  
R. A. Good
Keyword(s):  
Electron Microscopy ◽  
Electron Microscope ◽  
Light Microscopy ◽  
Random Sampling ◽  
New Method ◽  
Microscope Examination ◽  
Small Areas ◽  
Selective Sampling ◽  
Large Numbers ◽  
Specific Orientation

Investigations which require electron microscope examination of a few specific areas of non-homogeneous tissues make random sampling of small blocks an inefficient and unrewarding procedure. Therefore, several investigators have devised methods which allow obtaining sample blocks for electron microscopy from region of tissue previously identified by light microscopy of present here techniques which make possible: 1) sampling tissue for electron microscopy from selected areas previously identified by light microscopy of relatively large pieces of tissue; 2) dehydration and embedding large numbers of individually identified blocks while keeping each one separate; 3) a new method of maintaining specific orientation of blocks during embedding; 4) special light microscopic staining or fluorescent procedures and electron microscopy on immediately adjacent small areas of tissue.

A new method for the determination of nitrates

1960 ◽  
Vol 23 ◽  
pp. 227-232 ◽  
Author(s):  
P WEST ◽  
G LYLES
Keyword(s):  
New Method
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