Ultrasonic diagnostic apparatus and tomographic image processing apparatus

Abstract

A two-dimensional drawing module ( 25 ) (i) periodically reads acoustic line data (S 401 ), (ii) checks a scanning method of a physical structure of a probe and acoustic line data, and (iii) selects the optimum coordinate conversion algorithm (S402). After that, the two-dimensional drawing module ( 25 ) (i) selects an interpolation algorithm, based on a display rate (S 403 ), (ii) generates display data by performing a two-dimensional DSC process using the selected coordinate conversion algorithm and the like (S 404 a, 404 b or 404 c ), (iii) performs a persistence process for the display data (S 405 ), a frame interpolating process for a “B mode” image data (S 406 ) and a display color conversion process (S 407 ), and (iv) transmits the display data after such processes as described above to the display unit ( 14 ) (S 408 ).

1 - 24 . (canceled) 
     
     
         25 . An ultrasonic diagnostic apparatus comprising:
 an acoustic line data generation unit configured to generate acoustic line data based on ultrasonic echo signals acquired via a probe;   a display data generation unit configured to generate, for the generated acoustic line data, at least two pieces of display data out of:
 (1) a tomographic image or a blood flow image; 
 (2) a time displacement image of a tomographic image or a blood flow image in the same acoustic line position; 
 (3) a Doppler spectrum image; 
 (4) a three-dimensional description image of an object described by volume data for a tomographic image or a blood flow image; and 
 (5) a cross-sectional image which is made by cutting, in a plane, an object described by volume data for a tomographic image or a blood flow image; 
   a display unit configured to display an image describing an inner state of a subject based on the generated at least two pieces of display data;   a memory unit configured to memorize the acoustic line data or the volume data; and   a memory area control unit configured to control a memory area of said memory unit,   wherein said memory area control unit is configured to retain the memory area having an amount required for generating the display data, according to the at least two pieces of display data generated by said display data generation unit.   
     
     
         26 . An ultrasonic diagnostic method comprising:
 generating acoustic line data based on ultrasonic echo signals acquired via a probe;   generating, for the generated acoustic line data, at least two pieces of display data out of:
 (1) a tomographic image or a blood flow image; 
 (2) a time displacement image of a tomographic image or a blood flow image in the same acoustic line position; 
 (3) a Doppler spectrum image; 
 (4) a three-dimensional description image of an object described by volume data for a tomographic image or a blood flow image; and 
 (5) a cross-sectional image which is made by cutting, in a plane, an object described by volume data for a tomographic image or a blood flow image; 
   displaying an image describing an inner state of a subject based on the generated at least two pieces of display data;   memorizing the acoustic line data or the volume data in a memory unit; and   controlling a memory area of the memory unit,   wherein in said controlling, the memory area having an amount required for generating the display data is retained according to the at least two pieces of display data generated in said generating of at least two pieces of display data.   
     
     
         27 . A non-transitory computer-readable recording medium on which a program is recorded, the program causing a computer to execute the steps included in the ultrasonic diagnostic method according to  claim 26 .