JP2013056094A - Inspection omission prevention guide device for routine inspection work - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent inspection omission in a routine inspection to capture the necessary specific number of images.SOLUTION: An inspection omission prevention device for routine inspection work includes: a captured image storage part 12 storing the captured image where an object is captured; a guide image storage part 11 storing a plurality of guide images compared with the captured image; a display part 9 where the guide image and the captured image are displayed; a matching processing part 13 matching the guide image with the guide image displayed by the display part 9; and a mark application part 14 applying a processing-completion mark to the guide image which is displayed by the display part 9 and has already been matched.

Description

  Embodiments described herein relate generally to an inspection omission prevention guide apparatus for routine inspection work.

  In recent years, for example, X-ray imaging of the stomach has been performed as one of group screening for lifestyle-related diseases and the like. In such a group examination, a routine examination is performed in which a predetermined number of captured images are taken from a predetermined direction for each subject who undergoes a group examination.

  In this routine examination, the subject placed on the bed is instructed to change the direction of the body or the tilt angle of the bed, and the subject is X-rayed at each position.

JP 2006-108991 A

  However, in such a routine inspection, the routine inspection may be terminated before the necessary number of photographed images are completed due to an error of an operator who is in charge of imaging, and an inspection omission may occur. In particular, when a routine examination is continuously performed on a large number of subjects as in a group examination, a test omission is likely to occur.

  When an inspection omission occurs in a routine inspection, it is necessary to perform a reexamination at a later date, which is a heavy burden on the subject undergoing the reexamination.

  The problem to be solved by the present invention is to provide an inspection omission prevention guide apparatus for routine inspection work that can prevent the occurrence of omissions in routine inspections in which a necessary number of captured images are taken for a subject. That is.

  An inspection omission prevention guide device for routine inspection work according to an embodiment includes a captured image storage unit that stores a captured image obtained by capturing a subject, a guide image storage unit that stores a plurality of guide images to be compared with the captured image, and a guide. A display unit that displays an image and a captured image, a matching processing unit that performs a matching process between the captured image displayed on the display unit and a guide image, and a guide image that is displayed on the display unit and has a matching process A mark assigning unit that assigns a processed mark to the finished one.

It is a block diagram which shows the X-ray image diagnostic apparatus of embodiment. It is a front view which shows the screen of the display part on which the guide image was displayed. It is a front view which shows the screen of the display part on which the guide image and the picked-up image were displayed. It is explanatory drawing explaining the parameter in the case of performing a matching process with a guide image and a picked-up image. It is a front view which shows the screen of the display part to which the processed mark was provided with respect to one guide image. It is a front view which shows the screen of the display part to which the processed mark was provided with respect to seven guide images. It is a front view which shows the screen of the display part with which the dialog which alert | reports that there exists a test | inspection omission is displayed when operation of completion | finish of a routine test | inspection is performed before the processed mark is provided to all the guide images. It is a flowchart explaining operation | movement of a routine test | inspection.

  An X-ray diagnostic imaging apparatus 1 equipped with an inspection omission prevention guide apparatus for routine inspection work according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing an X-ray diagnostic imaging apparatus 1. This X-ray diagnostic imaging apparatus 1 is a medical institution such as a hospital as an apparatus capable of performing a routine examination when performing a mass examination on a digestive organ such as the stomach. It is installed inside. The routine inspection referred to here means an inspection for capturing a plurality of predetermined captured images A from a predetermined direction with respect to the subject. In FIG. 1, a dotted line connecting the components indicates a mechanical connection state, and a solid line indicates an electrical connection state.

  The X-ray diagnostic imaging apparatus 1 includes a bed 2 on which a subject is placed, an X-ray tube 3 that irradiates the subject placed on the bed 2 with X-rays, and an X that passes through the subject. An X-ray detector 4 that detects a line, a camera 5 that captures information about the inside of the subject detected by the X-ray detector 4 as image information, and these X-ray tube 3, X-ray detector 4, and camera 5. And a supporting device 6 for supporting.

  The bed 2 is configured to be able to rise and fall along the body axis direction of the subject placed on the bed 2 and to be rotatable around the body axis of the placed subject. The support device 6 rotates the X-ray tube 3 and the X-ray detector 4 around the body axis of the subject so that the X-ray irradiation direction with respect to the subject can be changed as appropriate. The line detector 4 can be inclined along the body axis direction of the subject.

  Further, the X-ray image diagnostic apparatus 1 includes a control device 7. In addition to the bed 2, the X-ray tube 3, the X-ray detector 4, the camera 5, and the support device 6, the operation unit 8 and the display unit 9 are connected to the control device 7.

  The operation unit 8 is provided with various input units such as a keyboard and a mouse. An operator in charge of imaging by the X-ray image diagnostic apparatus 1 operates these input units, whereby the bed 2 and the support device 6 are operated. , The captured image A of the subject can be captured, and a necessary image can be displayed on the screen of the display unit 9. On the screen of the display unit 9, for example, a captured image A of the subject captured by the camera 5 and a guide image B described later are displayed.

  The control device 7 includes a CPU, a ROM, and a RAM, and controls a drive control unit 10 that controls each unit of the X-ray image diagnostic apparatus 1 and a plurality of guide images B that indicate an imaging target portion of an object to be imaged in a routine examination. A guide image storage unit 11 to be stored, a captured image storage unit 12 that stores the captured image A captured by the camera 5, a matching processing unit 13 that performs a matching process between the captured image A and the guide image B, and a display unit 9 Before the completion of the matching process for all the guide images B and the captured images A, and the mark applying unit 14 for applying the processed mark C to the guide image B displayed in FIG. And an informing unit 15 for informing that there is an inspection omission when a routine inspection end input operation is performed. The guide image storage unit 11, the captured image storage unit 12, the matching processing unit 13, the mark assigning unit 14, and the notification unit 15 constitute an inspection omission prevention guide device for preventing omissions in routine inspection work. .

  The guide image storage unit 11 is a part in which a plurality of guide images B are stored as described above. The guide image B is a plurality of images to be compared with the photographed image A photographed by the routine inspection, and is composed of a plurality of images photographed from various directions of the photographing target part. For example, the guide image B when performing a routine examination of the stomach is composed of eight images as will be described later. The guide image B stored in the guide image storage unit 11 is called from the guide image storage unit 11 by an operation from the operation unit 8 and is displayed on the screen of the display unit 9 when starting a routine examination of the stomach. The guide image B can be set as appropriate by the user who uses the X-ray image diagnostic apparatus 1, and the guide image B set as appropriate can be stored in the guide image storage unit 11 using a communication control unit (not shown). .

  The captured image storage unit 12 is a part that stores the captured image A captured by the camera 5 as described above. The captured image A captured by the camera 5 is stored in the captured image storage unit 12 and displayed on the display unit 9. In this case, eight guide images B and one photographed image A photographed by the camera 5 are displayed on the screen of the display unit 9.

  The matching processing unit 13 is a part that performs the matching process between the captured image A and the guide image B as described above. Specifically, one guide image B that is photographed by the camera 5 and stored in the photographed image storage unit 12 and matched (matched) with the photographed image A displayed on the screen of the display unit 9 is displayed on the display unit. The user selects one of the eight guide images B displayed on the screen 9.

  This matching process is performed based on preset parameters. The parameters for the matching process can be set arbitrarily, and these parameters will be described later.

  The mark imparting unit 14 is a part that imparts the processed mark C to the guide image B displayed on the screen of the display unit 9 as described above and for which the matching process has been completed. As the processed mark C, various forms of marks can be used. For example, a cross mark can be used as in the present embodiment. As processed mark C. It is preferable that the operator who is in charge of shooting is easy to see when viewing the screen of the display unit 9.

  As described above, the notification unit 15 performs the routine inspection before the matching processing with the captured image A for all the guide images B is completed, in other words, before the processed mark C is applied to all the guide images B. This is a part for notifying that there is a test omission when an end input operation is performed. As a notification method, various methods such as sound notification using a buzzer sound and image notification on the screen of the display unit 9 are possible. In the present embodiment, as will be described later, a dialog 16 is displayed on the screen of the display unit 9 to notify that the required number of images has not been taken.

  FIG. 2 shows that when the routine examination of the stomach is started, eight guide images B stored in the guide image storage unit 11 are called by the operation from the operation unit 8, and the eight guided guide images B are called. It is a front view which shows the state by which it was displayed on the screen of the display part 9. FIG. In the guide image B shown in FIG. 2, a black portion is a portion where a contrast agent (for example, barium) is present.

  FIG. 3 is a front view illustrating a state in which one captured image A and eight guide images B captured by the camera 5 are displayed on the screen of the display unit 9 after the routine examination of the stomach is started. . When the routine examination of the stomach is started, the stomach image photographed by the camera 5 is displayed on the screen of the display unit 9 in a moving image state, and the operator presses the photographing button of the operation unit 8 at an arbitrary timing. Is obtained as a fixed image (captured image A), and the captured image A is stored in the captured image storage unit 12 and displayed on the screen of the display unit 9. Then, matching processing between the captured image A and the guide image B displayed on the screen of the display unit 9 is performed.

  FIG. 4 is an explanatory diagram for explaining the matching parameters when the matching process between the captured image A and the guide image B is performed. A plurality of matching parameters for performing the matching process are provided and given priority. The first priority is the similarity between the captured image A and the guide image B. When a guide image B having a similarity of 70% or more with respect to the photographed image A exists, it is determined that the guide image B matches the photographed image A.

  The second priority of the matching parameter when performing the matching process is an elapsed time from the start of the routine inspection. This is based on the fact that the elapsed time from the start of the routine inspection is almost determined by the shooting order. If there is no guide image B having a similarity of 70% or more with respect to the photographed image A due to deformation of the stomach or the like, the elapsed time from the start of the routine examination to the photographing of the photographed image A is calculated. Matching processing is performed as a matching parameter. For example, if the captured image A is the first image and within 60 seconds from the start of the routine inspection, the captured image A is matched with the guide image B of icon No1. To be judged.

  The third priority order of the matching parameters when performing the matching process is the rising / falling angle of the bed 2. This is based on the fact that the rising and falling angles of the bed 2 at the time of routine inspection are determined by the shooting order. There is no guide image B having a similarity of 70% or more with respect to the photographed image A, and further, the routine examination takes time, and the time when the third photographed image A is photographed has passed 180 seconds from the start of the routine examination. In such a case, matching processing is performed using the rising angle of the bed 2 as a matching parameter. For example, when the rising angle of the bed 2 is 15 ° or more and less than 20 °, the captured image A at that time is It is determined that it matches the guide image B of No3.

  The fourth priority order of the matching parameters when performing the matching process is the number of captured image divisions. This is based on the fact that the number of divisions of the photographed image A at the routine inspection is determined by the photographing order. For example, when the matching process is performed on the seventh photographed image A using this matching parameter, if the number of divisions of the photographed image A is 1, it is determined that the photographed image A matches the No7 guide image. Is done. In this embodiment, the number of divisions of all guide images B of No. 1 to No. 8 is “1”. For example, the number of divisions of a certain guide image B is “1/2” horizontally and “1/2” vertically. And so on, the effectiveness of this matching parameter increases.

  Note that the usage mode of the matching parameter is not limited to that described above. For example, when the similarity of the first priority of the matching parameter is 50% or more and less than 70%, the matching parameter of the second priority is considered, and the similarity of the first priority is less than 50% The second and third priority matching parameters may be taken into consideration.

  FIG. 5 shows that the matching process is completed for one of the eight guide images B, and the processed mark C marked with X indicates that the matching process is completed for one guide image B for which the matching process has been completed. It is a front view of the screen of the display part 9 which shows the state provided with.

  FIG. 6 shows a processed mark C with an X mark indicating that the matching process has been completed for seven of the eight guide images B and the matching process has been completed for the seven guide images B for which the matching process has been completed. It is a front view of the screen of the display part 9 which shows the state provided with.

  FIG. 7 shows a state in which an input operation for terminating the routine inspection is performed before the matching process with the captured image A for all the guide images B is completed, for example, when the matching process for the seven guide images B is completed. It is a front view of the screen of the display part 9 shown. A dialog 16 is displayed on the screen of the display unit 9 to notify that there is an inspection omission in the routine inspection.

  FIG. 8 is a flowchart for explaining the operation when performing a routine examination of the stomach. When starting the routine inspection, the operation unit 8 is operated to call up a plurality of guide images B stored in the guide image storage unit 11, and the called guide images B are displayed on the screen of the display unit 9 (steps). S1). That is, eight guide images B are displayed on the screen of the display unit 9 as shown in FIG.

  Next, the subject is irradiated with X-rays, and the operator is provided in the operation unit 8 while checking the stomach image captured by the camera 5 and displayed on the screen of the display unit 9 in a moving image state. The photographed image A is photographed by pressing a button or the like (step S2). The captured image A is stored in the captured image storage unit 12 and displayed on the screen of the display unit 9 (step S3). That is, the captured image A is displayed on the screen of the display unit 9 in addition to the eight guide images B as shown in FIG.

  After the photographed image A is displayed on the screen of the display unit 9, matching processing between the photographed image A and the guide image B is performed (step S4). This matching process is performed using the matching parameters of the priorities 1 to 4 as described with reference to FIG.

  After the matching process in step S4 is performed, a processed mark C is given to the guide image B matched with the captured image A (step S5). That is, as shown in FIG. 5, an X mark is given to one guide image B on the upper left side of the screen of the display unit 9.

  After the processed mark C is given in step S5, it is determined whether or not an operation for capturing the next captured image A is performed (step S6) and whether or not an operation for ending the routine inspection is performed (step S6). S7) is determined.

  When an operation for photographing the next photographed image A is executed (YES in step S6), the process returns to step S2 to photograph the photographed image A. On the other hand, when an operation to end the routine inspection is executed (YES in step S7), it is determined whether or not the matching processing with the captured image A has been completed for all the guide images B (step S8).

  When the matching process with the captured image A has been completed for all the guide images B (YES in step S8), the routine inspection is completed.

  On the other hand, when there is a guide image B for which the matching process has not been completed (NO in step S8), the dialog 16 indicates that there is an inspection omission (step S9). That is, as shown in FIG. 7, a dialog 16 is displayed on the screen of the display unit 9 to notify that there is an inspection omission in the routine inspection.

  After the dialog 16 is displayed on the display unit 9, it is determined whether or not an operation for ending the routine inspection has been performed (step S10), and an operation for not ending the routine inspection (an operation for touching the NO button of the dialog 16) ) Is performed (NO in step S10), the process returns to step S2, and when an operation for ending the routine inspection (operation for touching the YES button of the dialog 16) is performed (YES in step S10). Inspection ends.

  In such a configuration, according to the present embodiment, when performing a routine inspection, a plurality of guide images B are displayed on the screen of the display unit 9 as shown in FIG. The captured image A and the guide image B are matched, and a processed mark C is given to the guide image B matched with the captured image A as shown in FIGS.

  For this reason, the operator who is in charge of the routine inspection can check whether or not the photographing of the predetermined number of photographed images A has been completed by looking at the processed mark C given to the guide image B. In the routine inspection work, the occurrence of inspection omission can be prevented.

  Further, when the operator performs an operation to end the routine inspection before the required number of captured images are completed, a dialog 16 for informing that there is an inspection omission is displayed as shown in FIG. Displayed on the screen of the unit 9. Therefore, it is possible to prevent the occurrence of inspection omission in the routine inspection more reliably.

  According to at least one embodiment described above, when a subject is routinely examined, a plurality of guide images B to be compared with the photographed image A in the routine examination are displayed on the screen of the display unit 9, and the subject is photographed. Each time the captured image A and the guide image B are matched, a processed mark C is given to the guide image B for which the matching processing has been completed. For this reason, the operator in charge of photographing can accurately determine whether or not to end the routine inspection by looking at the processed mark C given to the guide image B. The occurrence of leakage can be prevented.

  In addition, when an input operation for terminating the routine inspection is performed before the matching process for all the guide images B is completed, the notification unit 15 notifies that there is an inspection failure. This can be prevented more reliably.

  As mentioned above, although embodiment of this invention was described, this embodiment is shown as an example and is not intending limiting the range of invention. The novel embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. This embodiment and its modifications are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

9 Display unit 11 Guide image storage unit 12 Captured image storage unit 13 Matching processing unit 14 Mark assigning unit 15 Notification unit A Captured image B Guide image C Processed mark

Claims (6)

A captured image storage unit for storing a captured image of the subject;
A guide image storage unit for storing a plurality of guide images to be compared with the captured image;
A display unit on which the guide image and the captured image are displayed;
A matching processing unit that performs a matching process between the captured image displayed on the display unit and the guide image;
A mark providing unit for applying a processed mark to the guide image displayed on the display unit and having undergone the matching process;
An inspection omission prevention guide device for routine inspection work, comprising:   The routine inspection work according to claim 1, further comprising a notification unit that notifies that there is an inspection failure when an input operation for completion of the routine inspection is performed before the matching process for all the guide images is completed. Inspection leakage prevention guide device.   The inspection omission prevention guide apparatus for routine inspection work according to claim 1, wherein the parameter of the matching process is a similarity between the guide image and the captured image.   3. The inspection omission prevention guide device for routine inspection work according to claim 1, wherein the parameter of the matching process is an elapsed time from the start of the routine inspection.   3. The inspection omission prevention guide apparatus for routine inspection work according to claim 1, wherein the parameter of the matching process is a tilt angle of a bed on which a subject is placed. The inspection omission prevention guide apparatus for routine inspection work according to claim 1, wherein the parameter of the matching process is a division number of the guide image and the captured image.

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