Method and system for cropping a 3-dimensional medical dataset
A method and gesture-based control system for manipulating a 3-dimensional medical dataset include translating a body part, detecting the translation of the body part with a camera system. The method and system include translating a crop plane in the 3-dimensional medical dataset based on the translating the body part. The method and system include cropping the 3-dimensional medical dataset at the location of the crop plane after translating the crop plane and displaying the cropped 3-dimensional medical dataset using volume rendering.
1. A method of manipulating a 3 -dimensional medical dataset comprising:
translating a body part;
receiving camera data of said translating the body part from a camera system;
determining with a processor a translation distance and a translation direction from the camera data based on at least one of feature tracking and a focus depth of the camera system;
translating a crop plane in the 3-dimensional medical dataset based on the translation distance and the translation direction;
cropping the 3-dimensional medical dataset at the location of the crop plane after said translating the crop plane; and
displaying the cropped 3-dimensional medical dataset using volume rendering.
2. The method of claim 1 , wherein said translating the body part comprises translating a hand.
3. The method of claim 1 , wherein said cropping the 3-dimensional medical dataset comprises removing a portion of the image to one side of the crop plane.
4. The method of claim 3 , wherein the cropped 3-dimensional medical dataset comprises a live ultrasound image.
5. The method of claim 1 , wherein said translating the crop plane occurs in real-time while said translating the body part.
6. The method of claim 1 , further comprising implementing a segmentation algorithm to identify the body part.
7. A method of manipulating a 3-dimensional medical dataset comprising:
performing an initialization gesture within a predetermined volume;
detecting the initialization gesture with a camera system;
determining with a processor the location of the initialization gesture within the predetermined volume;
selecting with the processor one of a plurality of crop planes based on the location of the initialization gesture within the predetermined volume, wherein the crop plane comprises one of six planes oriented in a box;
performing a translation gesture within the predetermined volume;
detecting the translation gesture with the camera system;
determining with the processor a translation direction and a translation distance based on the translation gesture;
moving the selected crop plane the translation distance in the translation direction;
cropping a 3-dimensional medical dataset at the location of the crop plane after said moving the crop plane; and
displaying the cropped 3-dimensional medical dataset using volume rendering.
8. The method of claim 7 , wherein the initialization gesture comprises opening a hand.
9. The method of claim 8 , wherein the translation gesture comprises translating the hand.
10. The method of claim 7 , wherein the initialization gesture comprises closing a hand.
11. The method of claim 10 , wherein the translation gesture comprises translating the hand.
12. The method of claim 7 , further comprising performing a stop gesture after said performing the translation gesture.
13. The method of claim 12 , further comprising detecting the stop gesture and deselecting the crop plane.
14. The method of claim 7 , wherein said moving the selected crop plane the translation distance in the translation direction occurs in real-time while said performing the translation gesture.
15. A gesture-based control system comprising:
a camera system;
a display device connected to the camera system; and
a processor connected to the camera system and the display device, wherein the processor is configured to:
display a volume rendering of a 3-dimensional medical dataset on the display device;
receive camera data of a translation gesture from the camera system;
segment a body part from the camera data;
determine a translation distance and a translation direction of the translation gesture from the camera data based on feature tracking;
move the crop plane the translation distance in the translation direction;
crop the 3-dimensional medical dataset at the location of the crop plane; and
display the cropped 3-dimensional medical dataset on the display device using volume rendering.
16. The gesture-based control system of claim 15 , wherein the camera system comprises a single camera.
17. The gesture-based control system of claim 15 , wherein the camera system comprises multiple cameras.
18. A gesture-based control system comprising:
a camera system;
a display device connected to the camera system; and
a processor connected to the camera system and the display device, wherein the processor is configured to:
display a volume rendering of a 3-dimensional medical dataset on the display device;
receive camera data of a translation gesture from the camera system;
segment a body part from the camera data;
determine a translation distance and a translation direction of the translation gesture from the camera data based on a focus depth of the camera system;
move the crop plane the translation distance in the translation direction;
crop the 3-dimensional medical dataset at the location of the crop plane; and
display the cropped 3-dimensional medical dataset on the display device using volume rendering.
19. The gesture-based control system of claim 18 , wherein the camera system comprises of a single camera.
20. The gesture-based control system of claim 18 , wherein the camera system comprises multiple camera.