Medical image processing apparatus, x-ray imaging apparatus, endoscope apparatus, and illumination apparatus

Abstract

To automatically change the illumination of an examination room according to the progress of an examination.SOLUTION: A medical image is received, predetermined image processing is performed, and it is determined whether the medical image is in a predetermined state on the basis of a processing result. When it is determined that the lighting device is in the predetermined state, an instruction to change the light emission state is output to the lighting device connected by wire or wirelessly.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to an image processing device that processes medical images and controls an illumination device. [Background technology]

[0002] In recent years, operating room lighting has become known that combines LEDs that emit red, blue, and green light, allowing adjustment of the color and brightness of the illumination light (see Non-Patent Document 1 and Patent Document 1).

[0003] Non-Patent Document 1 discloses that the use of blue light, which is a complementary color to the red of organs, has the effect of increasing visibility so that blood becomes easier to see.

[0004] Patent Document 1 proposes a system that divides an operating room or examination room into multiple zones and automatically changes the lighting color for each zone according to the various tasks for surgery or examination in the operating room or examination room and the colors desired by the surgical personnel. For example, it discloses that during an endoscopic examination, the lighting behind the endoscope monitor is set to green to make it easier for the surgeon to see the endoscope monitor, while the area where the assistant staff works is set to red light. [Prior art documents] [Non-patent literature]

[0005] [Non-Patent Document 1] Tottori Red Cross Medical Journal Vol. 27, 46-49, 2018 [Patent documents]

[0006] [Patent Document 1] Special Publication No. 2010-501218 Summary of the Invention [Problem to be solved by the invention]

[0007] Normally, room brightness is adjusted by nurses or technicians, not doctors, so communication and coordination with the doctors is necessary.

[0008] Furthermore, the technology of Patent Document 1 requires that the surgery or examination tasks and the colors desired by the surgery personnel be set in the system in advance, and that the computer be programmed in advance to change the colors during surgery.

[0009] The present invention aims to automatically change the lighting in the examination room according to the progress of the examination. [Means for solving the problem]

[0010] In order to achieve the above object, according to the present invention, there is provided a medical image processing device having an image processing unit that receives a medical image and performs predetermined image processing, a determination unit that determines whether a predetermined state is present based on the processing result of the image processing unit, and an output unit that, when the determination unit determines that the predetermined state is present, outputs an instruction to a lighting device connected by wire or wirelessly to change its light emission state. [Effects of the Invention]

[0011] According to the present invention, the image processing device processes medical images to determine whether a predetermined condition for changing the lighting has been reached and instructs the lighting device, thereby making it possible to automatically change the lighting in the examination room according to the progress of the examination. [Brief explanation of the drawings]

[0012] [Figure 1] 1 is a block diagram showing the configuration of an image processing device 1 and an illumination device 40 according to an embodiment of the present invention. [Figure 2] 1 is a diagram illustrating an example of the arrangement of a tabletop 80 of an X-ray imaging device 100, a subject 10, and doctors and nurses in a typical examination room. [Figure 3] 3 is a flowchart showing the operation of the image processing device 1 of the first embodiment. [Figure 4]10 is a schematic diagram of a perspective image showing an endoscope 31 having a predetermined shape detected by the image processing device 1 of the second embodiment. FIG. [Figure 5] 10 is a flowchart showing the operation of the image processing device 1 of the second embodiment. [Figure 6] 10 is a flowchart showing the operation of the image processing device 1 of the third embodiment. [Figure 7] 13 is a schematic diagram of a perspective image showing a target point 50 whose setting has been accepted by the image processing device 1 of the fourth embodiment. FIG. [Figure 8] 10 is a flowchart showing the operation of the X-ray device according to the fourth embodiment. [Figure 9] 10(a) and 10(b) are graphs showing the control of the lighting device 40 by the image processing device 1 of the fifth embodiment, and 10(c) is a timing chart showing the lighting control time period and the lighting control pause time period of the image processing device 1 of the fifth embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0013] Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

[0014] The following describes a medical image processing device 1 of this embodiment. Fig. 1 is a diagram showing the configuration of the medical image processing device 1, and Fig. 2 is a diagram explaining an example of the arrangement of a tabletop 80 of an X-ray imaging device 100, a subject 10, and doctors and nurses in a typical examination room.

[0015] The medical image processing device 1 of this embodiment is configured to include an image capture unit 22 that receives medical images from a medical imaging device, an image processing unit 23 that performs predetermined image processing on the images captured by the image capture unit 22, a judgment unit 24, and an output unit 25.

[0016] The medical image may be any image captured by a medical imaging device. For example, the medical image may be an X-ray image (still image) or a fluoroscopic image (moving image) captured by the X-ray imaging device 100, an image (still image and moving image) captured by an endoscope device, an ultrasound image (still image and moving image) captured by an ultrasound imaging device, a CT image captured by an X-ray CT device, or an MRI (magnetic resonance imaging) image captured by an MRI device.

[0017] The determination unit 24 determines whether the medical image is in a predetermined state as a result of image processing by the image processing unit 23. The predetermined state here refers to when the shape, color, brightness, etc. of the image of the medical device or the image of the structure such as the organ or blood vessel of the subject included in the medical image become a predetermined state, or when the moving speed or displacement amount of the medical device or the organ or blood vessel of the subject included in the medical image reach a predetermined value. When the determination unit 24 determines that the medical image is in a predetermined state, the output unit 25 outputs an instruction to the lighting device 40, which is connected by wire or wirelessly, to change its light-emitting state. For example, the light-emitting color and brightness of the lighting device 40 can be adjusted to change the color and brightness of the lighting in the room, making it easier for doctors, nurses, and other staff to view the medical image displayed on the monitor. For example, changing the light-emitting color of the lighting device 40 to blue can improve the visibility of the red color of organs and blood.

[0018] The lighting device 40 may be any device that is configured to be able to adjust the emitted light color and intensity. For example, a device that includes a red LED (light emitting diode), a blue LED, and a green LED as light sources 41 and a control unit 42 that adjusts the emitted light color and intensity by controlling the amount of current supplied to each LED is used. The control unit 42 has a built-in wired or wireless communication unit and is connected to the output unit 25. For example, short-range wireless communication can be used as the wireless communication.

[0019] The image processing device 1 of this embodiment processes medical images to determine whether a predetermined state has been reached and instructs the lighting device, so that the color and brightness of the lighting in the examination room can be automatically changed according to the progress of the examination. Therefore, there is no need for a doctor to issue instructions to staff such as nurses to adjust the lighting, and there is no need to set the timing for changing the lighting in advance. The lighting can be changed at the appropriate time, and an environment in which medical images can be easily viewed can be created.

[0020] Specific embodiments will be described below.

[0021] <<Embodiment 1>> The medical image processing device 1 of embodiment 1 captures time-series X-ray fluoroscopic images from the X-ray imaging device 100 as medical images, calculates the movement speed of the device inserted into the subject 10, and changes the emission color to a predetermined color when the movement speed of the device becomes less than or exceeds a predetermined value.

[0022] Here, the device will be described as an endoscope 31 inserted into the digestive tract, trachea, etc., but it may also be other devices such as a wire inserted into a blood vessel, a laparoscope, or a puncture needle inserted into an organ, muscle, spinal cord, or brain. The structures of the medical image processing device 1 and the illumination device 40 are as described above with reference to FIG.

[0023] The X-ray imaging device 100 includes a top plate 80 on which the subject 10 is placed, an X-ray irradiator 11 that irradiates the subject 10 with X-rays, the top plate 80 on which the subject 10 is placed, an X-ray detector 12, and an X-ray image generator 13. The top plate 80 is supported by a top plate support part 81. The X-ray irradiator 11 is supported relative to the top plate support part 81 by a support part (not shown).

[0024] An X-ray detector 12 is disposed inside the top board support part 81. The X-ray detector 12 is a planar detector in which X-ray detection elements are arranged two-dimensionally. The X-ray detector 12 detects X-rays that are irradiated from the X-ray irradiator 11 and have passed through the subject 10.

[0025] As shown in Fig. 1, an X-ray image generating unit 13 is connected to the X-ray detector 12. The X-ray image generating unit 13 receives signals output by each X-ray detection element of the X-ray detector 12 upon detecting X-rays, and generates X-ray images (fluoroscopic images in this case) at a predetermined frame rate. A fluoroscopic image display monitor 14 is connected to the X-ray image generating unit 13. The fluoroscopic images are displayed on the fluoroscopic image display monitor 14. An output image of the image processing unit 23 of the image processing device 1 may also be displayed on the fluoroscopic image display monitor 14.

[0026] On the other hand, the endoscope device 30 is configured with an endoscope 31, a light source device, and an image generating unit disposed within the main body of the endoscope device 30. The endoscope 31 has an insertion section 31a to be inserted into the subject, an operation section 31b provided at the base end portion of the insertion section 31a, and a bending section 31c provided within a predetermined range from a tip 31d of the insertion section 31a. By operating the operation section 31b, the bending section 31c is bent. With this bending operation, the tip 31d is directed in a desired direction.

[0027] An illumination optical system and an imaging optical system are provided at the tip 31d of the insertion section 31a. The illumination optical system has an illumination lens arranged at the tip of the insertion section 31a, and irradiates the observation object with light propagated from a light source device via a light guide via the illumination lens. The imaging optical system has an objective lens and an imaging element arranged at the tip of the insertion section 31a. Reflected light of the light irradiated onto the subject 10 from the illumination lens is incident on the imaging element via the objective lens and forms an image. The imaging element is a color imaging sensor that can obtain RGB image signals of three colors, R (red), G (green), and B (blue), and captures a reflected image of the subject 10 and outputs an image signal. The imaging element is, for example, a CCD (Charge Coupled Device).

[0028] The image signal output from the imaging element is input to the image generation unit in the main body of the endoscope device 30. The image generation unit processes the received RGB image signal to generate an endoscopic image at a predetermined frame rate, and displays the image on the endoscopic image display monitor 16.

[0029] When examining the subject 10, a doctor takes a fluoroscopic image using the X-ray imaging device 100 while inserting the endoscope 31 of the endoscopic device 30 into the digestive tract of the subject 10 from the tip 31d. This causes the fluoroscopic image to be displayed on the fluoroscopic image display monitor 14 at a predetermined frame rate. By viewing the image of the endoscope 31 reflected in the fluoroscopic image, the doctor can confirm the position and shape of the tip 31d of the insertion section 31a of the endoscope 31.

[0030] Furthermore, by looking at the endoscope image display monitor 16, the doctor can observe the image of the digestive tract of the subject 10 captured by the imaging element at the tip of the endoscope 31.

[0031] Next, the operation of each part of image processing device 1 will be described with reference to the flowchart of FIG.

[0032] The functions of each part of the image processing device 1 can be realized by software. In this case, the image processing device 1 is configured by a computer or the like equipped with a processor such as a CPU (Central Processing Unit) or a GPU (Graphics Processing Unit) and a memory, and the CPU reads and executes a program stored in the memory to realize the functions of each part of the image processing device 1. It is also possible to configure part or all of the image processing device 1 by hardware. For example, a circuit can be designed to realize the functions of each part using a custom IC such as an ASIC (Application Specific Integrated Circuit) or a programmable IC such as an FPGA (Field-Programmable Gate Array).

[0033] (Step S101) First, the image capturing unit 22 receives the X-ray fluoroscopic image that the X-ray image generating unit 13 of the X-ray imaging device 100 outputs at a predetermined frame rate.

[0034] The image processing unit 23 processes the X-ray fluoroscopic image to detect the image of the insertion portion 31a of the endoscope 31 included in the X-ray fluoroscopic image and determine the position of the tip 31d. For example, feature amount data of the image of the insertion portion 31a of the endoscope 31 in the X-ray fluoroscopic image is collected in advance by machine learning or the like, and pattern matching is performed with the feature amount of the X-ray fluoroscopic image captured by the image capturing unit 22, thereby extracting the image of the endoscope 31 from the X-ray fluoroscopic image and determining the position of the tip 31d of the endoscope 31. The image processing unit 23 detects the position of the tip 31d of the endoscope 31 for each frame of the X-ray fluoroscopic image captured by the image capturing unit 22, calculates the amount of movement of the position of the tip 31d between frames, and divides this by the time interval between frames to calculate the current traveling speed (moving speed) of the tip 31d of the endoscope 31. Alternatively, the amount of movement between frames may be used as the traveling speed (moving amount / frame) as is.

[0035] (Steps S102 and S103) The determination unit 24 determines whether the moving speed of the endoscope 31 is equal to or less than a predetermined value (for example, 5 cm / frame). If the moving speed is equal to or less than the predetermined value, it means that the doctor is taking time to concentrate on observing and diagnosing the endoscopic image displayed on the endoscopic image display monitor 16. Therefore, the process proceeds to step S103 (step S102) by reducing the light emission luminance of the illumination device 40 or changing the light emission color to a predetermined color (here, blue) so that the doctor can observe the endoscopic image display monitor 16 more clearly.

[0036] In step S103, the output unit 25 transmits an instruction to the lighting device 40 via wired or wireless communication to decrease the light emission luminance or change the light emission color to a predetermined color.

[0037] The control unit 42 of the lighting device 40 receives the instruction from the output unit 25, reduces the current supplied to the red LED, blue LED, and green LED of the light source 41 to reduce the light emission brightness, or reduces or stops the current supplied to the red LED and green LED to change the light emission color to blue light emitted by the blue LED, and proceeds to step S105 (step S103).

[0038] On the other hand, if the traveling speed is greater than the predetermined value, the process proceeds to step S104.

[0039] (Step S104) In step S104, in order to maintain the lighting state, output unit 25 does not send an instruction to lighting device 40, and the process proceeds directly to step S105.

[0040] (Step S105) The determination unit 24 determines whether the inspection has been completed, and if not, the process returns to step S101, whereas if the inspection has been completed, the process proceeds to step S106.

[0041] The determination unit 24 can determine the end of the examination, for example, when the output of images is completed from at least one of the X-ray image generating unit 13 of the X-ray imaging device 100 and the endoscope device 30. Alternatively, the determination unit 24 can determine the end of the examination when an instruction to end the examination is received from the operator via an operation unit (not shown) provided in the image processing device 1. (Step S106) In step S106, in order to restore the lighting state, output unit 25 transmits an instruction to lighting device 40 to return the light emission brightness and light emission color to the original state, and the process ends.

[0042] Between steps S103 and S104, the traveling speed of the endoscope may be calculated again in the same manner as in steps S101 and S102, and if it exceeds a predetermined value, the illumination may be restored.

[0043] In this embodiment, when performing examinations and treatments (for example, endoscopic retrograde cholangiopancreatography (ERCP) examinations) by combining the X-ray imaging device 100 and the endoscope device 30, the lighting in the examination room can be automatically changed according to the progress of the examination, thereby improving the visibility of the images from the endoscope 31 without the doctor having to communicate with nearby staff. This allows the doctor to concentrate on operating the endoscope.

[0044] <<Embodiment 2>> A medical image processing apparatus 1 according to the second embodiment will be described.

[0045] The medical image processing device 1 of the second embodiment captures time-series X-ray fluoroscopic images from the X-ray imaging device 100 as medical images, and the image processing unit 23 detects the shape of the image of the device (endoscope 31) inserted into the subject 10. The determination unit 24 determines whether the shape of the device has changed to a predetermined shape, and if the device has changed to the predetermined shape, outputs an instruction to the illumination device 40 to change the emitted light color to a predetermined color.

[0046] The device is an endoscope 31, and the above-mentioned predetermined shape is the shape in which a doctor protrudes a treatment tool 35 from a tip 31d of the endoscope 31, as shown in the schematic diagram of the fluoroscopic image in Fig. 4. If the treatment tool 35 protrudes from the endoscope 31, it is determined that the treatment tool 35 has reached the predetermined shape, regardless of the degree of curvature or protruding length of the treatment tool 35.

[0047] The treatment tool 35 protruding from the tip 31d of the endoscope 31 may be any type, including a wire, a catheter, an electric scalpel, and the like.

[0048] The image processing unit 23 and the determination unit 24 perform pattern matching using machine learning features of the X-ray fluoroscopic image to extract and determine images of the shapes of these treatment tools 35 protruding from the tip of the endoscope 31. For this reason, machine learning features are obtained in advance for each treatment tool 35 that may be caused to protrude from the tip 31d of the endoscope 31, and are stored in a memory in the image processing device 1. The configuration of the image processing device 1 of the second embodiment is the same as that of the first embodiment, and therefore a description thereof will be omitted.

[0049] The operation of each part of the image processing device 1 will be described using the flowchart of Fig. 5. Operations similar to those in the flowchart of Fig. 3 of the first embodiment will be given the same step numbers and will be briefly described.

[0050] (Step S201) First, the image capturing unit 22 receives the X-ray fluoroscopic image that the X-ray image generating unit 13 of the X-ray imaging device 100 outputs at a predetermined frame rate.

[0051] The image processing unit 23 processes the X-ray fluoroscopic image to detect the image of the insertion portion 31a of the endoscope 31 included in the X-ray fluoroscopic image and obtain the shape of the endoscope 31 including the treatment tool 35. For example, feature amount data of the image of the insertion portion 31a of the endoscope 31 in the X-ray fluoroscopic image is collected in advance by machine learning or the like, and pattern matching is performed with the feature amount of the X-ray fluoroscopic image obtained by the image obtaining unit 22, thereby extracting the image of the endoscope 31 from the X-ray fluoroscopic image and obtaining the shape of the endoscope 31.

[0052] (Steps S202, S103) The determination unit 24 determines whether the treatment tool 35 has changed into a shape that protrudes from the tip of the endoscope 31. If the treatment tool 35 has changed into a shape that protrudes, this indicates that the doctor is about to perform some kind of treatment on the subject 10, such as resecting tissue. Therefore, the process proceeds to step S103 (step S202) by reducing the light emission brightness of the illumination device 40 or changing the light emission color to a predetermined color (here, blue) so that the doctor can observe the endoscopic image display monitor 16 more clearly.

[0053] In step S103, output unit 25 transmits an instruction to lighting device 40 via wired or wireless communication to reduce the light emission luminance or change the light emission color to a predetermined color. Control unit 42 of lighting device 40 receives the instruction from output unit 25, reduces the light emission luminance or changes the light emission color to blue light, and proceeds to step S105 (step S103).

[0054] On the other hand, if the shape of the endoscope 31 has not changed to the predetermined shape (the treatment tool 35 has not protruded), the process proceeds to step S104.

[0055] (Step S104) In step S104, in order to maintain the lighting state, output unit 25 does not send an instruction to lighting device 40, and the process proceeds directly to step S105.

[0056] (Step S105) The determination unit 24 determines whether the inspection has been completed, and if not, the process returns to step S101, whereas if the inspection has been completed, the process proceeds to step S106.

[0057] (Step S106) In step S106, in order to restore the lighting state, output unit 25 transmits an instruction to lighting device 40 to return the light emission brightness and light emission color to the original state, and the process ends.

[0058] According to the second embodiment, an X-ray image is used to detect that a treatment tool 35 such as a wire has protruded from the tip 31d of the endoscope 31, and since visibility is important when the treatment tool 35 such as a wire is protruding from the endoscope 31, the lighting can be changed.

[0059] <<Embodiment 3>> A medical image processing apparatus 1 according to the third embodiment will be described.

[0060] The medical image processing device 1 of the third embodiment uses an endoscopic image as a medical image. The image processing unit 23 calculates the color components of the endoscopic image. When the red component value (degree of redness) exceeds a threshold, the redness needs to be emphasized, and therefore the illumination is changed.

[0061] The configuration of the image processing device 1 of the third embodiment is the same as that of the first embodiment, but in the third embodiment, an X-ray fluoroscopic image is not used, and therefore an X-ray fluoroscopic image is not taken in from the X-ray imaging device 100.

[0062] The operation of each part of the image processing device 1 will be described using the flowchart of Fig. 6. Note that operations similar to those in the flowchart of Fig. 3 of the first embodiment will be given the same step numbers and will be briefly described.

[0063] (Step S301) First, the image capturing unit 22 receives an endoscopic image output by the endoscope device 30 at a predetermined frame rate.

[0064] The image processing unit 23 processes the endoscopic image to calculate the color components of the endoscopic image.

[0065] (Steps S302, S103) The determination unit 24 determines whether the red component (degree of redness) of the endoscope 31 exceeds a predetermined value. If the red component (degree of redness) exceeds the predetermined value, the process proceeds to step S103 to reduce the emission luminance of the illumination device 40 or to change the emission color to a predetermined color (here, blue) because it is necessary to emphasize the redness.

[0066] In step S103, output unit 25 transmits an instruction to illumination device 40 via wired or wireless communication to reduce the emission luminance or change the emission color to a predetermined color, and the process returns to step S301. As a result, control unit 42 of illumination device 40 receives the instruction from output unit 25 and reduces the emission luminance or changes the emission color to blue light.

[0067] On the other hand, if the red component (degree of redness) of the endoscopic image does not exceed the predetermined value, the process proceeds to step S104.

[0068] (Step S104) In step S104, in order to maintain the lighting state, output unit 25 does not send an instruction to lighting device 40, and the process returns to step S301.

[0069] <<Embodiment 4>> A medical image processing apparatus 1 according to the fourth embodiment will be described.

[0070] The medical image processing apparatus 1 of the fourth embodiment changes the room lighting when the tip 31d of the endoscope 31 reaches the target point 50 (see FIG. 7).

[0071] The configuration of the image processing device 1 of the third embodiment is the same as that of the first embodiment, but in the third embodiment, an X-ray fluoroscopic image is not used, and therefore an X-ray fluoroscopic image is not taken in from the X-ray imaging device 100.

[0072] The operation of each part of the image processing device 1 will be described using the flowchart of Fig. 8. Note that the same operations as those in the flowchart of Fig. 3 of the first embodiment will be given the same step numbers and will be briefly described.

[0073] (Step S401) First, the image capturing unit 22 receives the X-ray fluoroscopic image that the X-ray image generating unit 13 of the X-ray imaging device 100 outputs at a predetermined frame rate.

[0074] The image processing device 1 receives a target point 50 designated by the doctor in the received fluoroscopic image via an input unit such as a mouse or a touch panel.

[0075] The image processing unit 23 processes the X-ray fluoroscopic image to detect the image of the insertion portion 31a of the endoscope 31 included in the X-ray fluoroscopic image, and obtains the position of the tip 31d.

[0076] (Step S402) The determination unit 24 determines whether the position of the tip 31d of the endoscope 31 has reached the target point 50 received from the doctor.

[0077] If the tip 31d of the endoscope 31 has reached the target point 50, the process proceeds to step S103. On the other hand, if the traveling speed is greater than the predetermined value, the process proceeds to step S104.

[0078] (Step S103) In step S103, the output unit 25 transmits an instruction to the lighting device 40 via wired or wireless communication to decrease the light emission luminance or change the light emission color to a predetermined color, and the process returns to step S401.

[0079] As a result, the illumination device 40 reduces the luminance of emitted light or changes the color of emitted light to a predetermined color (here, blue), allowing the doctor to observe the endoscopic image display monitor 16 more clearly.

[0080] (Step S104) In step S104, in order to maintain the lighting state, output unit 25 does not send an instruction to lighting device 40, and the process returns to step S401.

[0081] <<Embodiment 5>> In the above-described first to fourth embodiments, in step S103, the light emission luminance of the light source 41 of the illumination device 40 is reduced or the light emission color is changed to a predetermined color (here, the blue component is increased) so that the doctor can more clearly observe the endoscopic image display monitor 16. If the light emission luminance or light emission color of the illumination device 40 changes instantaneously at this time, the eyes of the operator, such as a doctor, cannot keep up with the change.

[0082] Therefore, in the fifth embodiment, the output unit 25 controls the rate at which the light emission state of the lighting device 40 is changed to a predetermined rate or less, and transmits an instruction to the control unit 42 of the lighting device 40 to change the light gradually rather than abruptly. For example, as shown in FIGS. 9(a) and 9(b), the output unit 25 transmits an instruction to gradually change the light emission luminance and blue component. The time transitions of the light emission luminance and color components shown in FIGS. 9(a) and 9(b) are stored in advance as a table in the memory constituting the image processing device 1. The output unit 25 reads the time transitions of the light emission luminance and color components from the table in the memory, and gradually changes the values ​​of the light emission luminance and color components to be transmitted to the lighting device 40.

[0083] In addition, in the first to fourth embodiments, as shown in the flows of Figures 3, 5, 6, and 8, a loop is repeated in which it is determined whether a predetermined state has been reached and the illumination is changed while the inspection is continuing. At this time, after the emission brightness or color is changed once in step S103, it is preferable to provide an illumination control pause time period in which the emission brightness or color is not changed for a certain period of time (for example, about 3 seconds), as shown in Figure 9(c). During the illumination control pause time period, illumination control is not performed even if the process proceeds to step S103.

[0084] In embodiments 1 to 4, by controlling the lighting as in embodiment 5, it is possible to control the lighting taking into account the sensitivity speed of the eyes of doctors and others, thereby creating an environment in which medical images are easy to view. [Explanation of symbols]

[0085] 1. Image processing device 10 Subject 11 X-ray irradiation device 12 X-ray detector 13 X-ray image generation section 14 Fluoroscopic image display monitor 16 Endoscopic image display monitor 22 Image capture section 23 Image processing section 24 Judgment section 25 Output section 30 Endoscopic device 31 Endoscopy 31a Insertion part 31b Operation section 31c Curved section 31d tip 35 Treatment tools 40 Lighting equipment 41 Light source 42 Control Unit 50 target points 80 Top Plate 81 Top plate support 100 X-ray imaging device

Claims

1. an image processing unit that receives a medical image and performs predetermined image processing; a determination unit that determines whether a predetermined state is reached based on the processing result of the image processing unit; and an output unit that outputs an instruction to a lighting device connected by wire or wirelessly to change its light emission state when the determination unit determines that the lighting device is in a predetermined state.

2. 2. The medical image processing apparatus according to claim 1, the medical images are time-series X-ray fluoroscopic images, the image processing unit processes the X-ray fluoroscopic image to calculate a moving speed of an image of a device included in the X-ray fluoroscopic image; the determination unit determines whether the moving speed of the image of the device is equal to or less than a predetermined value or exceeds a predetermined value; The output unit outputs an instruction to the lighting device to reduce the light emission brightness or change the light emission color to a predetermined color when the movement speed of the image of the device becomes less than the predetermined value or exceeds the predetermined value.

3. 2. The medical image processing apparatus according to claim 1, the medical images are time-series X-ray fluoroscopic images, the image processing unit processes the X-ray fluoroscopic image to detect the shape of an image of a device included in the X-ray fluoroscopic image; the determination unit determines whether the shape of the device has changed to a predetermined shape based on the processing result of the image processing unit; The medical image processing device is characterized in that the output unit outputs an instruction to the lighting device to reduce the emission brightness or change the emission color to a predetermined color when the device changes to a predetermined shape.

4. 4. The medical image processing apparatus according to claim 3, wherein the device is an endoscope, and the predetermined shape is a shape in which a wire protrudes from the tip of the endoscope.

5. 2. The medical image processing apparatus according to claim 1, the medical images are time-series endoscopic images, the image processing unit determines the degree of redness of the endoscopic image, the determination unit determines whether the degree of redness of the endoscopic image exceeds a predetermined value; The medical image processing device is characterized in that, when the degree of redness of the endoscopic image exceeds a predetermined value, the output unit outputs an instruction to the illumination device to reduce the emission brightness or change the emission color to a predetermined color.

6. 2. The medical image processing apparatus according to claim 1, the medical images are time-series X-ray fluoroscopic images, the image processing unit processes the X-ray fluoroscopic image to detect a tip position of an image of a device included in the X-ray fluoroscopic image; the determination unit determines whether the tip position of the image of the device has reached a target point; A medical image processing device characterized in that the output unit outputs an instruction to the lighting device to reduce the emission brightness or change the emission color to a predetermined color when the tip position of the image of the device reaches a target point.

7. 2. The medical image processing apparatus according to claim 1, The medical image processing apparatus is characterized in that the output unit controls the rate at which the light emission state of the illumination device is changed to a predetermined rate or less.

8. 2. The medical image processing apparatus according to claim 1, a light-emitting element for emitting light from the illumination device; a light-emitting element for emitting light from the illumination device; a light-emitting element for emitting light from the illumination device;

9. An X-ray imaging device comprising the medical image processing device according to claim 1.

10. An endoscope apparatus comprising the medical image processing apparatus according to claim 1.

11. An illumination device comprising the medical image processing device according to claim 1.

Images