JP2013236973A5

JP2013236973A5 -

Info

Publication number: JP2013236973A5
Application number: JP2013183534A
Authority: JP
Filing date: 2013-09-04
Publication date: 2014-05-15
Anticipated expiration: 2027-04-26

Description

本実施形態に係る超音波診断装置又は超音波画像処理装置は、周期的に運動する被検体の心臓を超音波で走査し、前記周期的運動に関する時相毎に取得されたボリュームデータを記憶する記憶手段と、前記ボリュームデータのうち、所定時相におけるボリュームデータに含まれる心筋組織に対応する領域に、少なくとも一つの短軸断面を設定する設定手段と、前記少なくとも一つの短軸断面に心筋組織に対応した複数の関心領域を設定し、前記各関心領域についての位置の時間的変化を追跡する追跡処理を実行し、前記複数の関心領域それぞれの追跡結果を用いて前記短軸断面の位置を更新することで前記所定の時相以外における前記短軸断面の位置を追跡する追跡手段と、前記ボリュームデータのうち、前記所定の時相以外における前記短軸断面に対応するデータを用いて、前記所定の時相以外における第１の超音波画像を生成する画像生成手段と、前記第１の超音波画像を表示する表示手段と、を具備することを特徴とする。
本実施形態に係る超音波画像処理プログラムは、コンピュータに、周期的に運動する心臓を超音波で走査し、前記周期的運動に関する時相毎に取得されたボリュームデータのうち、所定時相におけるボリュームデータに含まれる心筋組織に対応する領域に、少なくとも一つの短軸断面を設定する設定機能と、前記少なくとも一つの短軸断面に心筋組織に対応した複数の関心領域を設定し、前記各関心領域についての位置の時間的変化を追跡する追跡処理を実行し、前記複数の関心領域それぞれの追跡結果を用いて前記短軸断面の位置を更新することで前記所定の時相以外における前記短軸断面の位置を追跡する追跡機能と、前記ボリュームデータのうち、前記所定の時相以外における前記短軸断面に対応するデータを用いて、前記所定の時相以外における第１の超音波画像を生成する画像生成手段と、前記第１の超音波画像を表示する表示機能と、を実現させることを特徴とする。 The ultrasonic diagnostic apparatus or ultrasonic image processing apparatus according to the present embodiment scans the heart of a subject that moves periodically with ultrasonic waves, and stores volume data acquired for each time phase related to the periodic movement. Storage means; setting means for setting at least one short-axis cross section in a region corresponding to the myocardial tissue included in the volume data in a predetermined time phase of the volume data; and myocardial tissue in the at least one short-axis cross section A plurality of regions of interest corresponding to the region of interest are set, a tracking process for tracking temporal changes in the position of each region of interest is performed, and the position of the short-axis cross section is determined using the tracking results of each of the regions of interest. and tracking means for tracking the position of the short-axis cross section in other than the predetermined time phase by updating, among the volume data, the in than the predetermined time phase short Using the data corresponding to the cross-section, characterized by comprising an image generating means for generating a first ultrasonic image definitive other than the predetermined time phase, and a display means for displaying the first ultrasonic image, the And
The ultrasonic image processing program according to the present embodiment scans a periodically moving heart with ultrasonic waves in a computer, and the volume data in a predetermined time phase among the volume data acquired for each time phase related to the periodic motion. A setting function for setting at least one short-axis cross section in a region corresponding to the myocardial tissue included in the data; and a plurality of regions of interest corresponding to the myocardial tissue are set in the at least one short-axis cross section. A tracking process for tracking a temporal change of the position of the short-axis section, and updating the position of the short-axis section using the tracking results of each of the plurality of regions of interest, so that the short-axis section other than the predetermined time phase Using the tracking function for tracking the position of the volume and the data corresponding to the short-axis cross-section in the volume data other than the predetermined time phase, the predetermined time phase Image generating means for generating a first ultrasonic image in the outer, characterized in that to realize a display function of displaying the first ultrasound image.

Claims

Storage means for scanning the heart of a subject that moves periodically with ultrasound and storing volume data acquired for each time phase related to the periodic motion;
Of the volume data , setting means for setting at least one short-axis cross section in a region corresponding to the myocardial tissue included in the volume data in a predetermined time phase;
A plurality of regions of interest corresponding to myocardial tissue are set in the at least one short-axis cross section, a tracking process for tracking temporal changes in position for each region of interest is executed, and tracking results of each of the plurality of regions of interest Tracking means for tracking the position of the short-axis cross-section other than the predetermined time phase by updating the position of the short-axis cross-section using
Image generating means for generating a first ultrasonic image other than the predetermined time phase by using data corresponding to the short-axis cross-section other than the predetermined time phase among the volume data ;
Display means for displaying the first ultrasonic image;
An ultrasonic diagnostic apparatus or an ultrasonic image processing apparatus.

  A motion information calculating means for obtaining wall motion information of the heart wall in the at least one short axis section by two-dimensional pattern matching in the at least one short axis section;
  The image generating means generates, as the first ultrasonic image, an image obtained by mapping the wall motion information in the at least one short-axis cross section;
  The ultrasonic diagnostic apparatus or ultrasonic image processing apparatus according to claim 1.

The setting means sets a plurality of long-axis cross sections in a region corresponding to the myocardial tissue included in the volume data,
The tracking means sets the position of the apex in each of the long-axis cross-sections, and performs a tracking process for each of the plurality of long-axis cross-sections with the annulus portion in each of the long-axis cross-sections as a region of interest, 3. The ultrasonic diagnostic apparatus according to claim 1, wherein the position of the at least one short-axis cross section is tracked based on the position of the apex portion and the tracked position of the annulus portion. 4. Ultrasonic image processing device.

The setting means sets a plurality of long-axis cross sections in a region corresponding to the myocardial tissue included in the volume data,
The tracking means sets a position corresponding to the at least one short-axis cross section in each of the long-axis cross sections, and performs a tracking process for each of the plurality of long-axis cross sections with the corresponding position as a region of interest, The ultrasonic diagnostic apparatus or ultrasonic image processing apparatus according to claim 1, wherein the position of the at least one short-axis cross section is tracked based on each of the tracked corresponding positions.

The ultrasonic diagnostic apparatus according to claim 1, wherein the image generation unit generates at least one of a tissue morphology image and a motion information image as the first ultrasonic image. Or an ultrasonic image processing apparatus.

The ultrasonic diagnostic apparatus or the ultrasonic image processing apparatus according to claim 1, wherein the image generation unit generates the first ultrasonic image by a process including rendering.

  The image generation means generates a second ultrasonic image different from the first ultrasonic image for each time phase using the volume data,
  The display means displays the second ultrasonic image together with a marker indicating the position of the first ultrasonic image;
  The ultrasonic diagnostic apparatus or ultrasonic image processing apparatus according to any one of claims 1 to 6.

8. The ultrasonic diagnosis according to claim 7, wherein the display unit displays the second ultrasonic image together with markers indicating the positions of the plurality of first ultrasonic images corresponding to different time phases. Apparatus or ultrasonic image processing apparatus.

The ultrasonic diagnostic apparatus or the ultrasonic image processing apparatus according to claim 7, wherein the display unit displays the first ultrasonic image together with a marker indicating a position of the second ultrasonic image. .

The ultrasonic diagnosis according to claim 9, wherein the display unit displays the first ultrasonic image together with markers indicating positions of the plurality of second ultrasonic images corresponding to different time phases. Apparatus or ultrasonic image processing apparatus.

  The subject is a heart;
  The image generation means generates, as the first image, a motion information image in which the motion information of the subject is expanded to polar coordinates with the apex as a pole based on data corresponding to an arbitrary cross section for each time phase To do,
  The ultrasonic diagnostic apparatus or ultrasonic image processing apparatus according to any one of claims 1 to 10.

  The tracking means transforms the tracked at least one short axis section into an arbitrary shape,
  The image generation unit generates a first ultrasonic image other than the predetermined time phase using data corresponding to the short-axis cross-section after the deformation other than the predetermined time phase in the volume data. about,
  The ultrasonic diagnostic apparatus or the ultrasonic image processing apparatus according to any one of claims 1 to 11.

  On the computer,
  A periodically moving heart is scanned with ultrasound, and among the volume data acquired for each time phase related to the periodic motion, at least one region in the region corresponding to the myocardial tissue included in the volume data in the predetermined time phase A setting function to set the short axis section;
  A plurality of regions of interest corresponding to myocardial tissue are set in the at least one short-axis cross section, a tracking process for tracking temporal changes in position for each region of interest is executed, and tracking results of each of the plurality of regions of interest A tracking function that tracks the position of the short-axis cross-section at a time other than the predetermined time phase by updating the position of the short-axis cross-section using
  Image generating means for generating a first ultrasonic image other than the predetermined time phase by using data corresponding to the short-axis cross-section other than the predetermined time phase among the volume data;
  A display function for displaying the first ultrasonic image;
  An ultrasonic image processing program characterized by realizing the above.