CN-121998819-A - Splicing method and splicing device for X-ray images and X-ray photographing system

CN121998819ACN 121998819 ACN121998819 ACN 121998819ACN-121998819-A

Abstract

A semi-manual or semi-automatic splicing scheme is provided, an operator manually places positions among a plurality of X-ray images to be spliced on a display interface, and the adjacent relation among the X-ray images to be spliced can be given, so that the system can determine an overlapping area between the adjacent X-ray images and splice the adjacent X-ray images based on the adjacent relation, and the system does not need to match and confirm the overlapping area with other X-ray images in a traversing way for any one X-ray image, thereby improving the splicing efficiency and guaranteeing the splicing precision.

Inventors

LI XIONG
LI SHUANGSHUANG

Assignees

深圳迈瑞生物医疗电子股份有限公司

Dates

Publication Date: 20260508
Application Date: 20241101

Claims (16)

1. A method of stitching X-ray images, comprising: Displaying a splicing planning interface; Receiving the operation of an operator, and placing and displaying a plurality of X-ray images to be spliced on the splicing planning interface; Receiving a stitching instruction, acquiring a placement position relationship among a plurality of X-ray images currently displayed by the stitching planning interface, and stitching the plurality of X-ray images based on the placement position relationship to obtain a stitched image; and displaying the spliced image.
2. The stitching method of claim 1 wherein receiving an operator operation to place and display a plurality of X-ray images to be stitched on the stitching planning interface comprises: receiving a first type of operation of an operator, selecting a plurality of X-ray images to be spliced, placing and displaying the selected X-ray images on the splicing planning interface, and/or, And receiving a second type of operation of an operator, and adjusting the placement position of the X-ray image displayed on the splicing planning interface.
3. The stitching method according to claim 2, wherein receiving a first type of operation by an operator, selecting a plurality of X-ray images to be stitched and placing and displaying the selected plurality of X-ray images on the stitching planning interface, comprises: Acquiring image information of the selected plurality of X-ray images; Acquiring a plurality of preliminary placement position relations of the X-ray images based on the image information; and placing and displaying a plurality of X-ray images on the splicing planning interface based on the preliminary placement position relation.
4. The stitching method of claim 3 wherein the image information includes at least one of a time of capture of the X-ray image, an image number of the X-ray image, and anatomical information obtained by identifying the X-ray image.
5. The stitching method according to any one of claims 1-4, wherein the stitching planning interface comprises M rows and N columns of image placement frames, M and N are positive integers and are not 1 at the same time, and each image placement frame can place one X-ray image and display the placed X-ray image.
6. The stitching method according to claim 5, wherein receiving a first type of operation by an operator, selecting a plurality of X-ray images to be stitched and placing and displaying the selected plurality of X-ray images at the stitching planning interface includes at least one of: Receiving an activating operation of an operator on the image placing frame, activating the operated image placing frame, and displaying an image storage window for storing X-ray images; receiving the selection operation of an operator on the X-ray images in the image storage window, and placing and displaying the selected X-ray images in the activated image placing frame; and displaying an image storage area in which the X-ray images are stored, receiving a drag operation of an operator on the X-ray images in the image storage area, and placing and displaying the dragged X-ray images in an image placing frame determined when the drag operation is released along with the drag operation.
7. The stitching method of claim 5 wherein receiving a second type of operation by an operator adjusts a pose of an X-ray image displayed on the stitching planning interface, comprising at least one of: Receiving an activating operation of an operator on the image placing frame, activating the operated image placing frame, and displaying an image storage window for storing X-ray images; receiving the selection operation of an operator on the X-ray images in the image storage window, and replacing the selected X-ray images with the placed X-ray images when the activated image placement frame is placed with the X-ray images; The method comprises the steps of displaying an image storage area in which X-ray images are stored, receiving drag operation of an operator on the X-ray images in the image storage area, dragging the dragged X-ray images along with the drag operation, determining an image placement frame determined when the drag operation is released, and replacing the X-ray images placed by the dragged X-ray images when the X-ray images are placed by the determined image placement frame; The method comprises the steps of receiving drag operation of an operator on X-ray images placed by an image placing frame in a splicing planning interface, dragging the dragged X-ray images along with the drag operation, determining the image placing frame when the drag operation is released, placing and displaying the dragged X-ray images in the determined image placing frame when the X-ray images are not placed in the determined image placing frame, and exchanging the respective image placing frames with the dragged X-ray images to be placed and displayed when the X-ray images are placed in the determined image placing frame.
8. The stitching method of any one of claims 5 to 7 wherein the image placement frame is associated with an X-ray image to which it is placed when the image placement frame changes from an undeployed X-ray image, wherein the image placement frame is disassociated with an X-ray image to which it has been previously placed when the image placement frame changes from a deployed X-ray image to another X-ray image, wherein the image placement frame is disassociated with an X-ray image to which it has been previously placed and associated with the other X-ray image to which it has been now placed; The obtaining the placement position relationship between the plurality of X-ray images currently displayed by the stitching planning interface comprises the following steps: Acquiring each image placing frame in which an X-ray image is placed; Acquiring the layout position of the image placing frame with the X-ray image placed on the splicing planning interface; The placement position relationship between the X-ray images is determined based on the placement position of the image placement frame in which the X-ray images are placed and the associated X-ray images.
9. The stitching method of any one of claims 5 to 8 wherein each of the image frames is capable of displaying an X-ray image and includes each of the image frames being capable of displaying an X-ray image that meets a predetermined size range, and when the X-ray image exceeds the predetermined size range, determining a plurality of the image frames to cooperate to display the X-ray image that exceeds the predetermined size range based on the size of the X-ray image.
10. The method of claim 5, further comprising receiving an operator operation to adjust the number of columns and/or the number of rows of the image drop frame.
11. The splicing method according to claim 5, wherein M is an integer of 2 or more, and N is an integer of 2 or more.
12. The stitching method according to claim 1, wherein stitching the plurality of X-ray images based on the placement position relationship to obtain a stitched image includes: acquiring an overlapping area between at least one X-ray image and an adjacent X-ray image spliced by the X-ray image based on the placement position relation; determining a region of interest from within the overlapping region; and splicing the plurality of X-ray images based on the placement position relation and the region of interest to obtain a spliced image.
13. The stitching method according to claim 12, wherein the determining a region of interest from within the overlap region comprises: identifying the overlapping area on the X-ray image displayed on the stitching planning interface; The region of interest is determined based on an operator manipulation of the overlapping region.
14. The stitching method of claim 1 wherein the stitching plan interface is capable of receiving a second type of operator action and adjusting the placement of the X-ray images displayed on the stitching plan interface.
15. A stitching device for X-ray images, comprising: A memory for storing a program; a processor for implementing the method of any one of claims 1 to 14 by executing a program stored in the memory.
16. An X-ray radiography system, comprising: a head device including a head for emitting X-rays to a subject; An X-ray receiving device including a detector for receiving X-rays transmitted through the subject; a processor for performing the method of any one of claims 1 to 14.

Description

Splicing method and splicing device for X-ray images and X-ray photographing system Technical Field The invention relates to the field of X-ray imaging, in particular to a splicing method and device of X-ray images and an X-ray photography system. Background The radioactive ray imaging device is used as an imaging system commonly used in medical digital imaging, and is widely applied to the fields of physical examination and conventional medical image diagnosis. A radioactive ray imaging apparatus is an apparatus that performs imaging by transmitting radioactive rays (for example, X-rays) through an object to be detected. Taking an X-ray photography system as an example, the imaging speed is high, the radiation dose is low, the image is clear and fine, the whole body can be inspected, and the imaging system has wide application in clinical inspection and becomes one of main auxiliary means for doctors to diagnose diseases. In some scenes, the body position to be shot (such as the spine or the lower limb) cannot be shot completely by one-time X-ray imaging (the shooting body position is not limited to be called as a spliced body position), in this case, the body position to be shot needs to be divided into different areas and X-ray shooting is performed respectively, and then a plurality of X-ray images are spliced together, so that a complete one X-ray image (spliced image) of the body position to be shot is obtained. It is to be understood that the photographing posture does not refer to a certain posture of the subject, but refers to a portion or area of the subject to be photographed. How to stitch together a plurality of X-ray images is a considerable problem. Disclosure of Invention In view of the above, the present invention provides a stitching method, stitching apparatus, and X-ray radiography system for X-ray images, which are described in detail below. According to a first aspect, in one embodiment, there is provided a method for stitching X-ray images, including: Displaying a splicing planning interface; Receiving the operation of an operator, and placing and displaying a plurality of X-ray images to be spliced on the splicing planning interface; Receiving a stitching instruction, acquiring a placement position relationship among a plurality of X-ray images currently displayed by the stitching planning interface, and stitching the plurality of X-ray images based on the placement position relationship to obtain a stitched image; and displaying the spliced image. In an embodiment, the receiving the operation of the operator, placing and displaying a plurality of X-ray images to be spliced on the splicing planning interface includes: receiving a first type of operation of an operator, selecting a plurality of X-ray images to be spliced, placing and displaying the selected X-ray images on the splicing planning interface, and/or, And receiving a second type of operation of an operator, and adjusting the placement position of the X-ray image displayed on the splicing planning interface. In an embodiment, the receiving a first type of operation of the operator, selecting a plurality of X-ray images to be stitched, and placing and displaying the selected plurality of X-ray images on the stitching planning interface includes: Acquiring image information of the selected plurality of X-ray images; Acquiring a plurality of preliminary placement position relations of the X-ray images based on the image information; and placing and displaying a plurality of X-ray images on the splicing planning interface based on the preliminary placement position relation. In one embodiment, the image information comprises at least one of the shooting time of an X-ray image, the image number of the X-ray image and anatomical structure information obtained by identifying the X-ray image. In one embodiment, the stitching planning interface includes image placement frames of M rows and N columns, where M and N are positive integers and are not 1 at the same time, and each image placement frame is capable of placing an X-ray image and displaying the placed X-ray image. In an embodiment, the receiving the first type of operation of the operator, selecting a plurality of X-ray images to be stitched, and placing and displaying the selected plurality of X-ray images on the stitching planning interface includes at least one of: Receiving an activating operation of an operator on the image placing frame, activating the operated image placing frame, and displaying an image storage window for storing X-ray images; receiving the selection operation of an operator on the X-ray images in the image storage window, and placing and displaying the selected X-ray images in the activated image placing frame; and displaying an image storage area in which the X-ray images are stored, receiving a drag operation of an operator on the X-ray images in the image storage area, and placing and displaying the dragged X-ray images in an image placing frame