JPH07210574A - Method and device for extracting image data - Google Patents

Abstract

PURPOSE:To reduce the burden of an observer by easily extracting comparative images concerning the method and device for extracting the image data of the same object to be compared from a storage medium storing plural image data, to which information concerning the date and time of photography is added, to be compared. CONSTITUTION:A CPU 4 extracts the image data corresponding to ID information inputted by an input means 3 and the information concerning the date and time of photography from an optical disk 2 storing plural image data. At the same time, the CPU 4 also extracts the image data on the oldest or newest date and time of photography from the image data on the date and time of photography older than the inputted date and time of photography. The respective extracted image data are temporarily stored in a memory 5. The respective image data are read from the memory 5 by operating the input means 3, and the respective images are displayed on a display means 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image data extraction method and apparatus for extracting desired image data from a plurality of image data stored in a storage medium.

[0002]

2. Description of the Related Art A plurality of image data are stored in a filing system having a storage medium such as an optical disk, and when necessary, the filing system is accessed to reproduce desired image data as a visible image. Is being done.

On the other hand, it is also practiced to store a plurality of radiographic images relating to the progress of a patient's medical condition in such a storage medium and observe the medical condition of the patient. Follow-up is
This is performed by simultaneously displaying an observation image to be observed and a comparison image to be compared as a visible image. In such follow-up observation, since the image at the beginning of the observation of the medical condition or the image observed last time is often compared, the observer selects the observed image from the image data stored in the storage medium. Then, select the latest or oldest image data from the list of all the image data of the image data of the shooting date and time older than the shooting date and time of the observed image, and reproduce these two image data by CRT or the like. The means were simultaneously reproduced to observe the images.

When performing such follow-up observation, the image data of the observation image and the image data of the comparative image are selected from a plurality of image data for several days before and after the photographing date and time and for several days before and after the photographing date and time. It is also practiced to select each of the image data of (1), compare the images, and observe the images. Even in this case, the observer searches the list of images for image data of several days before and after a certain date and time, and further selects the image data of the observation image and the image data of the comparison image from the list. Follow-up observation is performed by simultaneously reproducing the selected image data on a reproducing means such as a CRT.

[0005]

However, when the number of image data stored in the storage medium is very large, the observation image to be observed and the comparison image to be compared are searched from all the list of the image data. It was very troublesome, and the burden on the observer was heavy. Furthermore, searching for image data for several days before and after a certain shooting date and time, and searching for image data for an observation image and image data for a comparative image from the image data for several days before and after this are also troublesome. The burden on the person is large.

In view of the above circumstances, it is an object of the present invention to provide an image data extraction method and apparatus that can easily extract an observation image and a comparison image to reduce the burden on the observer.

[0007]

A first image data extracting method according to the present invention is a storage medium in which image data of a plurality of images including images of the same subject to be compared, to which information regarding a photographing date and time is added, is stored. In the image data extraction method for extracting predetermined image data from the image data, the first image data to which information regarding a predetermined shooting date and time is added, and an image of the same subject as the image related to the first image data, The second image data, which is the newest or oldest image data among the image data of the images having the photographing date and time older than the photographing date and time of the first image data, is extracted from the storage medium.

A second image data extraction method according to the present invention is the same as the first image data extraction method according to the present invention, wherein the first image data and the second image data are simultaneously reproduced as a visible image. It is characterized by that.

Further, according to the third image data extracting method of the present invention, the predetermined image is stored from the storage medium in which the image data of a plurality of images including the images of the same subject to be compared, to which the information regarding the shooting date and time is added, is stored. In an image data extraction method for extracting data, a first image data group consisting of all image data having a new shooting date and time from a predetermined shooting date and time and an image of the same subject as the image related to the first image data group A second image data group, which is an image data group and is composed of all image data having a shooting date and time older than the predetermined shooting date and time by a predetermined period, is extracted.

Further, a fourth image data extraction method according to the present invention is characterized in that, in the third image data extraction method according to the present invention, the first image data group and the second image data group are simultaneously displayed. It is a feature.

The first image data extracting apparatus according to the present invention is for carrying out the first image data extracting method according to the present invention, and includes the same subject to be compared, to which information relating to the photographing date and time is added. In an image data extraction device for extracting predetermined image data from a storage medium in which image data of a plurality of images including images are stored, an input unit for inputting information regarding a predetermined shooting date and time to the device, and an input from the input unit. The image of the same subject as the image related to the first image data, together with the first image data to which the information is added based on the acquired information, which is older than the date and time when the first image data was captured. It is characterized in that it comprises an extracting means for extracting, from the storage medium, the second image data which is the latest or oldest image data of the image data of the date and time image.

Further, a second image data extraction device according to the present invention is the same as the first image data extraction device according to the present invention, wherein the first image data and the second image data are simultaneously reproduced as a visible image. It is characterized in that it further comprises a reproducing means for performing.

The third image data extracting apparatus according to the present invention is for carrying out the third image data extracting method according to the present invention, and is for the same object to be compared, to which information relating to the photographing date and time is added. In an image data extraction device for extracting predetermined image data from a storage medium in which image data of a plurality of images including images is stored, shooting date and time input means for inputting information on a predetermined shooting date and time to the device,
A first image data group including all image data of a new shooting date and time and a first period after the predetermined shooting date and time.
Extraction means for respectively extracting a second image data group of image data of the same subject as the image related to the image data group, which is composed of all the image data of a photographing date and time older than the prescribed photographing date and time by a prescribed period. It is characterized by having.

A fourth image data extraction device according to the present invention is characterized by further comprising display means for simultaneously displaying the first image data group and the second image data group. .

[0015]

According to the image data extracting method and apparatus of the present invention, the first image data to which the information regarding the predetermined photographing date and time is added, and the image of the same subject as the image related to the first image data is obtained. Therefore, the latest or oldest second image data is extracted from the storage medium among the image data of the photographing date and time older than the photographing date and time of the first image data. Therefore, even if the image data stored in the storage medium is very large,
By simply inputting the information regarding the shooting date and time of the observation image, the image data of the observation image and the image data of the comparison image which is the latest or oldest image data of the image data whose shooting date and time is older than this predetermined shooting date and time are displayed. Since it can be extracted at the same time, and the labor for finding the observation image and the comparison image from the list of image data can be omitted, the burden on the observer can be reduced. In addition, the extracted first image data and the extracted second image data
If the oldest image data described above is extracted by reproducing the image data of the above as a visible image, the oldest image and the observation image taken at a predetermined shooting date and time (for example, the day of performing comparative observation) It is possible to make a comparison, and when the latest image data described above is extracted, for example, it is possible to make a comparison between the image taken on the day of the comparative observation and the observed image taken immediately before this image. .

Further, another image data extracting method and apparatus according to the present invention is such that a first image data group consisting of all image data having a new photographing date and time from a predetermined photographing date and time and a first image data group. A second image data group, which is an image data group of an image of the same subject as the image and is composed of all image data having a photographing date and time older than the predetermined photographing date and time by a predetermined period, is extracted. As a result, even when the observation image and the comparison image are extracted from the plurality of image data for several days before and after the predetermined shooting date and time, the image data can be extracted by simply inputting the information regarding the shooting date and time. Each group can be extracted, and the labor for extracting the image data group from the list of image data can be saved, so that the burden on the observer can be reduced. Also, the first
If the image data group and the second image data group are simultaneously displayed as, for example, an index image, the observation image and the comparison image can be easily determined by observing the display means on which the index image is displayed. be able to.

[0017]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a diagram showing an image data extracting apparatus according to an embodiment of the present invention. As shown in FIG. 1, an image data extraction apparatus 1 according to an embodiment of the present invention is an optical disc that is a storage medium that stores image data relating to an image captured by a radiation image capturing apparatus (not shown) with additional information regarding the capturing date and time. 2, an input unit 3 for inputting information on a shooting date and time, a CPU 4 including an extracting unit for extracting image data stored in the optical disc 2 based on the information input by the input unit 3, and the extracted image It comprises a memory 5 for temporarily storing data and a display means 6 such as a CRT for displaying the output image data as a visible image.

First, a radiation image of a subject is photographed by a radiation image photographing device (not shown), the image data of this radiation image is read by the image reading means, and the read image data is stored in the optical disc 2 as a file. It At this time, information regarding the shooting date and time is added to the image data and stored. In addition, as the radiation image, in order to observe the healing state of the medical condition of the patient, it is assumed that a plurality of image data having different imaging dates and times are stored for the same site of the same patient. In this way, a plurality of image data are stored in the optical disc 2 as a file as shown in FIG. Note that, in FIG. 2, the file is divided into an area 7 in which image data is stored, an area 8 in which ID information about a patient is stored, and an area 9 in which information about an imaging date and time is stored.

Next, when observing the radiographed image, the input means 3 first inputs the ID information of the patient (for example, the information that the patient is A) and the information regarding the image date and time. As a result, the CPU 4 accesses the optical disc 2, reads the ID information and the information regarding the shooting date and time from the areas 8 and 9 of the file stored in the optical disc 2, and outputs the input ID information and the image data corresponding to the shooting date and time. It is extracted and temporarily stored in the memory 5. When there are a plurality of relevant image data, the image data with the latest shooting time is extracted from the image data.

When the ID information of the radiation image to be observed and the photographing date and time are input to the CPU 4, the I
Of the image data having D information, the image data having the oldest shooting date and time among the image data having the shooting date and time older than the input shooting date and time is set to be extracted. Therefore, the CPU 4 inputs the above-mentioned ID information and the photographing date and time into the input means 3, extracts the image data corresponding to this ID information and the photographing date, and at the same time, inputs the image data corresponding to the inputted ID information. The image data with the oldest shooting date and time is extracted from the image data with the shooting date and time older than the shooting date and time and stored in the memory 5.

The two data stored in the memory 5 are simultaneously displayed on the display means 6 as shown in FIG. 3 by operating the input means 3. In this way, together with the ID information input from the input means 3 and the image data corresponding to the shooting date and time, the oldest shooting of the image data having the shooting date and time older than the input shooting date and time among the image data having this ID information By extracting the image data of the date and time and displaying it as a visible image at the same time, the comparative diagnosis of the medical condition of the same patient can be easily performed. In addition, by simultaneously extracting the image data with the oldest shooting date and time, it is possible to compare with the initial stage of treatment, and thus it is possible to clearly know the degree of cure of the disease compared to the initial stage of treatment. .

In the above embodiment, the CPU
Among the image data corresponding to the ID information input to the input means 3 by 4, the image data of the oldest shooting date and time is extracted from the image data of the shooting date and time older than the input shooting date and time. The image data of the latest shooting date and time may be extracted from the image data of the shooting date and time older than the input shooting date and time. By extracting the image data of the newest shooting date and time from the image data of the shooting date and time older than the input shooting date and time and performing comparative observation, it is possible to compare with the time of the previous treatment. , You can clearly know the degree of cure of the disease.

Further, in the above embodiment, by inputting the ID information and the photographing date and time, the ID information and the photographing date and time correspond to the ID information and the photographing date and time, and the latest or oldest image data of the photographing date and time older than this photographing date and time is inputted. Although the image data is extracted, all the image data corresponding to the input ID information and the shooting date / time may be extracted for a predetermined period before and after the input shooting date / time. In this case, based on the ID information and the shooting date and time input from the input means 3 of the image data extracting device 1 in FIG. 1, the CPU 4 has an image having the input ID information in the image data of one week before and after the shooting date and time. The data is extracted as a first image data group and a second image data group, respectively, and temporarily stored in the memory 5. Then, by operating the input means 3, the first and second image data groups stored in the memory 5 are displayed in the separate areas 10 and 11 of the display means 6 as index images as shown in FIG. It

In this way, after each image data group is displayed as an index image, by clicking each index image in the regions 10 and 11, the radiation images to be compared are displayed as shown in FIG. . In this way, by extracting and displaying all the image data in the predetermined period before and after the input shooting date and time as the first and second image data groups, it is possible to easily select the image data to be compared. . Further, instead of being displayed as an index image, it may be displayed as a list image in which the file name, the shooting date and time, etc. are displayed in characters, which also makes it easy to select images to be compared.

Further, in the above embodiment, the image data from the optical disc in which the image data of the radiation image is stored is extracted, but the present invention is not limited to this. For example, the image data of the visible image is extracted. The image data may be extracted from the optical disc storing the. The image data of the visible image may be, for example, a case where the skin condition before and after the use of the drug is compared and observed for the treatment of skin diseases.

Further, although an optical disc is used as a storage medium in the above embodiment, the storage medium is not limited to this, and any storage medium such as a magnetic disk or a hard disk can be used as long as it can store image data. May be

[Brief description of drawings]

FIG. 1 is a diagram showing an image data extraction device according to an embodiment of the present invention.

FIG. 2 is a diagram showing image data stored in a storage medium.

FIG. 3 is a diagram showing an image displayed on a display unit.

FIG. 4 is a diagram showing an index image displayed on a display unit.

[Explanation of symbols]

 1 Image Data Extraction Device 2 Optical Disc 3 Input Means 4 CPU 5 Memory 6 Display Means

Continuation of front page (51) Int.Cl. ⁶ Identification number Office reference number FI technical display location 9071-5L G06F 15 / 62P

Claims (8)

[Claims] 1. An image data extraction method for extracting predetermined image data from a storage medium in which image data of a plurality of images including images of the same subject to be compared, to which information regarding shooting date and time is added, is extracted. Along with the first image data to which the information about the shooting date and time is added, an image of the same subject as the image related to the first image data, which is older than the shooting date and time of the first image data, A method for extracting image data, characterized in that second image data, which is the latest or oldest image data among the image data, is extracted from the storage medium. 2. The image data extracting method according to claim 1, wherein the first image data and the second image data are simultaneously reproduced as a visible image. 3. An image data extraction method for extracting predetermined image data from a storage medium in which image data of a plurality of images including images of the same subject to be compared, to which information regarding shooting date and time is added, is extracted. A first image data group consisting of all image data of a new shooting date and time, and an image data group of an image of the same subject as the image related to the first image data group, which is from the predetermined shooting date and time. Also, an image data extraction method is characterized in that a second image data group consisting of all image data having a photographing date and time that is older by a predetermined period is extracted. 4. The first image data group and the second image data group
The image data extraction method according to claim 3, wherein the image data group of is displayed at the same time. 5. An image data extraction device for extracting predetermined image data from a storage medium in which image data of a plurality of images including images of the same subject to be compared, to which information regarding shooting date and time is added, is stored. An input unit for inputting information relating to a predetermined shooting date and time, the first image data to which the information is added based on the information input by the input unit, and the same subject as the image related to the first image data. Extracting means for extracting from the storage medium the second image data, which is the latest or oldest image data among the image data of the images having the shooting date and time older than the shooting date and time of the first image data. An image data extraction device comprising: 6. The image data extraction apparatus according to claim 5, further comprising a reproducing unit that simultaneously reproduces the first image data and the second image data as a visible image. 7. An image data extraction device for extracting predetermined image data from a storage medium in which image data of a plurality of images including images of the same subject to be compared, to which information regarding shooting date and time is added, is stored. A shooting date / time input means for inputting information on a predetermined shooting date / time, a first image data group consisting of all image data having a shooting date / time newer than the predetermined shooting date / time by a predetermined period, and the first image data group.
Extraction means for respectively extracting a second image data group of image data of the same subject as the image related to the image data group, which is composed of all the image data of a photographing date and time older than the prescribed photographing date and time by a prescribed period. An image data extraction device comprising: 8. The first image data group and the second image data group
8. The image data extraction device according to claim 7, further comprising display means for simultaneously displaying the image data group of.