IP Library › Granted Patent US 7,046,860
Granted Patent B2
US 7,046,860 · App. 10/034,680 · Granted May 16, 2006

Method for simultaneous body part display

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Quick Facts
Patent No.
US 7,046,860
App. No.
10/034,680
Granted
May 16, 2006
Kind
B2
Abstract

The regions of interest of images of both breasts of a patient are defined as regions of the image of minimal surface area and containing views of the breasts. These regions of interest are aligned for simultaneous display of the images. The display now allows simple and direct comparison of the images of both breasts, notably allowing immediate comparison of structural disorganizations within the two breasts.

Claims (50)

1. A method for displaying digital images of a body part or parts, comprising the steps of:

defining a region of interest on each image embracing the body part;

aligning the regions of interest: and

simultaneously displaying the images with the regions of interest aligned;

wherein the region of interest is a substantially rectangular region of the image of a minimum surface area to cover the body part

wherein the images are displayed side by side and in which the alignment comprises the steps of:

comparing a vertical dimension of the region of interest on each image, and

if the vertical dimensions are identical, performing vertical alignment of an upper or lower edge of the regions of interest.

2. The method of claim 1 , in which the images are images of a patient's breasts.

3. The method of claim 2 wherein the images are displayed side by side, and in which the alignment comprises the steps of:

comparing a vertical dimension of the region of interest of each image;

if the vertical dimensions are different, calculating an optimization criterion which is a function of relative image position; and

aligning the images while maximizing this criterion.

4. The method of claim 3 , wherein calculation of an optimization criterion comprises calculating correlation.

5. The method of claim 3 , wherein calculation of an optimization criterion comprises aligning body part contours.

6. The method of claim 1 wherein the images are displayed side by side and in which the alignment comprises the steps of:

comparing a vertical dimension of the region of interest on each image, and

if the vertical dimensions are identical, performing vertical alignment of an upper or lower edge of the regions of interest.

7. The method of claim 1 wherein the images are displayed side by side, and in which the alignment comprises the steps of:

comparing a vertical dimension of the region of interest of each image;

if the vertical dimension are different, calculating an optimization criterion which is a function of relative image position; and

aligning the images while maximizing this criterion.

8. The method of claim 7 , wherein calculation of an optimization criterion comprises calculating correlation.

9. The method of claim 7 , wherein calculation of an optimization criterion comprises aligning body part contours.

10. The method of claim 1 , wherein the images are displayed side by side, and in which the alignment comprises the steps of:

comparing a vertical dimension of the region of interest of each image;

if the vertical dimensions are different, calculating an optimization criterion which is a function of relative image position; and

aligning the images while maximizing this criterion.

11. The method of claim 10 , wherein calculation of an optimization criterion comprises calculating correlation.

12. The method of claim 10 , wherein calculation of an optimization criterion comprises aligning body part contours.

13. The method of claim 1 further comprising, prior to the display step, enlargement of the images using a common magnification factor.

14. The method of claim 13 , wherein the region of interest of each image after enlargement is contained within the image displayed.

15. A method for displaying digital images of a body part or parts, comprising the steps of;

defining a region of interest on each image embracing the body part;

aligning the regions of interest; and

simultaneously displaying the images side by side with the regions of interest aligned;

wherein the the aligning comprises the steps of:

comparing a vertical dimension of the region of interest on each image, and

if the vertical dimensions are identical, performing vertical alignment of an upper or lower edge of the regions of interest

wherein the region of interest is a substantially rectangular region of the image of a minimum surface area to cover the body part.

16. The method of claim 15 wherein the region of interest is a rectangular region of the image of a minimum surface area to cover the body part.

17. The method of claim 15 , wherein:

the position of a contour tip is used to align the regions of interest on each image.

18. An apparatus for simultaneously displaying digital images of a body part or parts, comprising:

a unit for digital image acquisition;

an image processing unit receiving digital images supplied by the acquisition unit;

a display device for simultaneously displaying digital images processed by the processing unit, wherein the image processing unit comprises:

a substantially rectangular region of interest of a minimum surface area defining block for defining a region of interest on each image embracing the body part; and

an alignment block for aligning the regions of interest of at least two images by comparing a vertical dimension of the region of interest on each image, and if the vertical dimensions are identical, performing vertical alignment of an upper or lower edge of the regions of interest.

19. The apparatus of claim 18 , wherein to image processing unit further comprises an enlargement block for enlarging the digital images using the same magnification factor.