Skifstad, Kurt D. <br/><br/>
High-speed range estimation based on intensity gradient analysis / 
Kurt D. Skifstad 
 - New York :  Springer-Verlag,  1991 
 - 182 p. :  ill. ;  26cm. 
<br/><br/><label>ISBN: </label>0387974792 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Image processing