WO2022050084A1 - 撮像装置用カバー、撮像装置、及び撮影方法 - Google Patents
撮像装置用カバー、撮像装置、及び撮影方法 Download PDFInfo
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- WO2022050084A1 WO2022050084A1 PCT/JP2021/030580 JP2021030580W WO2022050084A1 WO 2022050084 A1 WO2022050084 A1 WO 2022050084A1 JP 2021030580 W JP2021030580 W JP 2021030580W WO 2022050084 A1 WO2022050084 A1 WO 2022050084A1
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- cover
- image pickup
- pickup device
- image
- objective
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
- G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
- G03B11/043—Protective lens closures or lens caps built into cameras
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0077—Devices for viewing the surface of the body, e.g. camera, magnifying lens
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
- A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
- A61B5/445—Evaluating skin irritation or skin trauma, e.g. rash, eczema, wound, bed sore
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/14—Special procedures for taking photographs; Apparatus therefor for taking photographs during medical operations
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/14—Coupling media or elements to improve sensor contact with skin or tissue
- A61B2562/146—Coupling media or elements to improve sensor contact with skin or tissue for optical coupling
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/18—Shielding or protection of sensors from environmental influences, e.g. protection from mechanical damage
- A61B2562/185—Optical shielding, e.g. baffles
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation
Definitions
- the present invention relates to a cover for an image pickup device, an image pickup device, and a photographing method.
- Cited Document 1 discloses a dermoscopy camera that captures an image for assisting the diagnosis of an affected area by taking a picture with the adapter in contact with the skin.
- a part of the camera is used in contact with the skin of a patient, so it is necessary to consider hygiene when using it between different patients. Therefore, it is conceivable to attach a peelable transparent sheet to the part that comes into contact with the patient's skin, specifically the transparent objective cover of the dermoscopy camera, and take a picture, and then replace the transparent sheet for each patient to take a picture. ..
- the adhesive layer provided on the transparent sheet is provided so as to cover the entire objective cover, there is a concern that the quality of the captured image may be deteriorated due to the influence of the adhesive layer. Further, if a part of the adhesive layer remains on the objective cover, especially in the center of the objective cover when the transparent sheet is peeled off, there is a concern that the quality of the captured image may be further deteriorated by attaching the transparent sheet from above. ..
- the present invention has been made by paying attention to such a problem, and a cover for an image pickup device, an image pickup device, and an image pickup method capable of taking an appropriate image while considering the hygiene aspect of the image pickup device.
- the purpose is to provide.
- the cover for an image pickup apparatus of the present invention is provided on a cover member having at least a part of the incident light and a cover peripheral portion which is a peripheral portion of the cover member.
- the first cover member includes the objective cover, and the cover member covers the objective cover that guides the reflected light from the object to the lens of the image pickup device. It is peelably adhered via the adhesive layer of.
- FIG. 3 is a cross-sectional view of a cover for an image pickup apparatus and a cover structure according to a first embodiment of the present invention. An explanatory diagram of an image displayed at the time of shooting on the liquid crystal monitor of the image pickup apparatus according to the first embodiment of the present invention. The plan view of the cover for an image pickup apparatus which concerns on Embodiment 1 of this invention.
- FIG. 5 is a cross-sectional view of a cover for an image pickup device as seen from the cross-sectional line VI-VI in FIG.
- the schematic diagram which showed the state of attaching the cover for an image pickup apparatus which concerns on Embodiment 1 of this invention to an image pickup apparatus in the order of a process The schematic diagram which showed the state of attaching the cover for an image pickup apparatus which concerns on Embodiment 1 of this invention to an image pickup apparatus in the order of a process.
- FIG. 15 is a cross-sectional view of a cover for an image pickup device as seen from the cross-sectional line XVI-XVI in FIG.
- the flowchart which showed the method of determining the cover member of the cover for an image pickup apparatus which concerns on Embodiment 6 of this invention.
- An explanatory diagram showing a state in which the cover member is pressed by the push-pull gauge in order of the process when determining the cover member.
- the schematic diagram which showed the state of attaching the cover for an image pickup apparatus which concerns on Embodiment 8 of this invention to an image pickup apparatus in the order of a process It is a figure which showed the image processing of the image pickup apparatus which concerns on embodiment of this invention, and is the figure which showed the image before processing. It is a figure which showed the image processing of the image pickup apparatus which concerns on embodiment of this invention, and is the figure which showed the image after processing. It is a figure which showed the other image processing of the image pickup apparatus which concerns on embodiment of this invention, and is the figure which shows the image before processing. It is a figure which showed the other image processing of the image pickup apparatus which concerns on embodiment of this invention, and is the figure which showed the image after processing.
- the image pickup apparatus 1 is, for example, a dermoscopy camera that captures an image for diagnosing the condition of the skin as a subject.
- the image pickup apparatus 1 has a controller 2 and a camera body 3 provided in front of the controller 2. Further, the image pickup device cover 100 is attached to the image pickup device 1 at the time of photographing and covers the objective cover 40 at the tip of the cover structure 10.
- the controller 2 is provided with a touch panel type liquid crystal monitor 6 (FIG. 2) and operation buttons such as a shutter button 4 and a power button 5.
- the camera body 3 has an image pickup lens system 7, an image pickup element 8, and a plurality of LEDs (Light Emitting Diodes) as a light source.
- the image pickup device 8 is configured to be able to convert light in a convertible wavelength region including a wavelength region of visible light into an electric signal.
- the above-mentioned plurality of LEDs include an LED that emits light when an image pickup device 1 is used as a general camera to photograph a skin disease portion (normal photography) and an LED that emits light when a dermos copy image is taken.
- the camera body 3 is provided with an image processing processor 11 and an internal memory 12.
- the image processing processor 11 includes a CPU (Central Processing Unit) as a processor.
- the image processor 11 executes a program stored in the internal memory 12 such as a flash memory and a ROM (Read Only Memory) to control the camera body 3.
- the image processing processor 11 performs various necessary processing such as level conversion on the electric signal sent from the image pickup element 8 to generate an image signal.
- the image processing processor 11 sends the overflowing data and the processed data to the internal memory 12 during the image processing, and when the image processing is completed, the processed data is taken out from the internal memory 12.
- the image processor 11 records the created image data on the memory card 13. Further, the image processor 11 outputs image data to the liquid crystal monitor 6 and displays the image on the liquid crystal monitor 6 by a driver (not shown).
- the liquid crystal monitor 6 functions as a finder and displays an image for deciding a composition before shooting.
- the image processing processor 11 may have a multiprocessor configuration including a plurality of processors. Further, the image processing processor 11 may be configured by a combination of a CPU and another electric circuit.
- the camera body 3 has a cover structure 10 provided on the subject side.
- the cover structure 10 closes the support portion 20 formed in the shape of a conical trapezoid and the opening 21 (FIG. 3) formed at the top (front end portion) of the support portion 20. It has an objective cover 40, which is adhered to the support portion 20 and is supported by the support portion 20.
- the support portion 20 is made of a material that does not transmit light so that the transmitted light is not converted into an electric signal by the image pickup device 8 (FIG. 2), and is made of, for example, a resin such as a polyvinyl chloride derivative or an acrylic resin. Has been done.
- a paint for preventing the transmission of light may be applied to the surface of the support portion 20.
- the inner peripheral surface of the support portion 20 is textured or anti-reflection coated to suppress light reflection.
- a male screw 20a is formed on the bottom portion (rear end portion) of the support portion 20.
- the male screw 20a functions as an attachment / detachment means for attaching / detaching the cover structure 10 to / from the camera body 3.
- the objective cover 40 includes a member capable of transmitting light, for example, a glass cover, and is formed in a disk shape. When taking an image using the image pickup device 1, the image pickup device cover 100 is attached, and the front surface of the objective cover 40 is covered with the image pickup device cover 100.
- the image pickup device cover 100 and the objective cover 40 pressed against the skin disease portion transmit the light from the above-mentioned LED (not shown) provided inside the camera body 3 to transmit the light from the skin disease portion. Irradiate the light.
- the image sensor cover 100 and the objective cover 40 allow the light reflected by the skin disease portion to be incident on the image sensor 1 and are attached to the above-mentioned image pickup lens system 7 (FIG. 2) provided inside the camera body 3.
- the image sensor 8 receives the light from the image pickup lens system 7 (FIG. 2). This makes it possible to take a dermoscopy.
- the image pickup device cover 100 and the objective cover 40 are formed around the cover structure 10 shown in FIG. 1 in a state of being separated from the skin diseased portion.
- Light is emitted from a plurality of light emitting holes 3a to irradiate the skin disease portion.
- the image sensor cover 100 and the objective cover 40 incident the light reflected by the skin disease portion into the image sensor 1 and guide it to the above-mentioned image pickup lens system 7 (FIG. 2) provided inside the camera body 3 for image pickup.
- the element 8 (FIG. 2) receives light from the image pickup lens system (FIG. 2).
- the image pickup device 1 captures an image for supporting the diagnosis of the skin disease portion by performing dermoscopy photography and normal photography.
- the support portion 20 is made of a material that does not transmit light, it is projected dark (black) on the liquid crystal monitor 6 at the time of shooting as shown in FIG. In FIG. 4, the support portion 20 that is darkly projected on the liquid crystal monitor 6 is hatched.
- the opening 21 formed in the support portion 20 is a region that can be photographed by the light incident through the objective cover 40. Therefore, the region in which the opening 21 is opened is defined as the imageable region R1 as the region that can be photographed by the image pickup apparatus 1.
- the imageable area R1 is brightly projected in the center of the liquid crystal monitor 6 at the time of image capture. Further, as shown in FIG.
- a shooting guarantee region R2 is defined in the shootable region R1 as a region where distortion caused in the captured image is small and an optically appropriate image can be captured. It is recommended that the skin disease portion to be imaged be photographed within this image pickup guaranteed area R2. Therefore, on the liquid crystal monitor 6 that displays an image as a finder, a circle indicating the shooting guarantee area R2 is displayed. As shown in FIG. 4, the photographing guarantee area R2 is a circular area smaller than the photographing area R1, and the center thereof coincides with the center of the photographing area R1.
- the image pickup apparatus cover 100 includes a cover member 101 made of a transparent sheet material, a double-sided tape 102 attached to one surface of the cover member 101, and a cover member 101 via the double-sided tape 102.
- a base sheet 106 bonded to the cover member 101 and a protective member 107 bonded to the other surface of the cover member 101 via a third adhesive layer 108 are provided.
- the double-sided tape 102 is provided on the cover peripheral edge portion 101c, which is the peripheral edge portion of the cover member 101.
- the double-sided tape 102 covered with the cover member 101, the third adhesive layer 108, or the like is hatched in FIG.
- the hatching does not represent the cross section of the member.
- the range to which this hatching is applied is also the cover peripheral edge portion 101c.
- the thickness of each component is shown to be thicker than the actual one so that the configuration can be understood. This also applies to the cross-sectional views of the image pickup apparatus cover 100 in FIGS. 6 and later.
- the cover member 101 is made of, for example, a transparent sheet material made of polycarbonate having a thickness of 188 ⁇ m.
- the cover member 101 has a circular portion 101a having a diameter equivalent to the diameter of the objective cover 40 shown in FIGS. 1 and 3, and a protruding portion 101b protruding outward from the outer edge of the circular portion 101a.
- the protruding portion 101b is a portion for being pinched when the subject (user) attaches or peels off the image pickup device cover 100.
- the double-sided tape 102 is made of a colored layer 103 as a base material, a first adhesive layer 104 made of a removable acrylic pressure-sensitive adhesive, and an acrylic pressure-sensitive adhesive having a stronger adhesive strength than the first adhesive layer 104. It has a second adhesive layer 105 and the like.
- the colored layer 103 is, for example, a polyester having a thickness of 16 ⁇ m colored in black.
- a second adhesive layer 105 having strong adhesive strength is provided on one surface of the colored layer 103.
- the colored layer 103 is strongly adhered to the cover member 101 via the second adhesive layer 105.
- a first adhesive layer 104 having a weaker adhesive strength than the second adhesive layer 105 is provided on the other surface of the colored layer 103.
- the colored layer 103 is releasably adhered to the base sheet 106 via the first adhesive layer 104.
- the double-sided tape 102 has an annular planar shape in which a circular hole is provided in the center, and the outer diameter thereof is the same as the outer diameter of the circular portion 101a (FIG. 6) of the cover member 101. Is.
- the double-sided tape 102 is attached in a state where the center thereof coincides with the center of the cover member 101. As a result, the outer edge of the double-sided tape 102 coincides with the outer edge of the cover member 101.
- the width W1 of the double-sided tape 102 affects the adhesive strength of the double-sided tape 102.
- the double-sided tape 102 needs to have an adhesive strength so that the image pickup device cover 100 does not peel off from the image pickup device 1 during shooting, but can be easily peeled off when the image pickup device cover 100 is replaced. Must have adhesive strength.
- the width W1 of the double-sided tape 102 is set so as to satisfy these two conditions, for example, 1.5 mm. Further, the inner diameter D1 of the double-sided tape 102 is set to a value smaller than the diameter of the imageable region R1 shown in FIG. 3 and larger than the diameter of the image capture guaranteed area R2.
- the base sheet 106 is for preventing dust, dirt, etc. from adhering to the first adhesive layer 104.
- the image pickup apparatus cover 100 is stored with the base sheet 106 attached when not in use.
- the base sheet 106 is made of, for example, a polyethylene sheet material having a thickness of 75 ⁇ m, and is formed in a rectangular shape.
- the cover member 101 is attached to the base sheet 106 via the double-sided tape 102 provided on the peripheral edge portion, but the double-sided tape 102 is attached to the protruding portion 101b of the cover member 101. do not have. Therefore, the subject can easily pinch the protrusion 101b that is not adhered to the base sheet 106 with his / her fingers.
- the protective member 107 is made of a translucent material, for example, is made of a polyethylene sheet material having a thickness of 70 ⁇ m, and is formed in a circular shape.
- the protective member 107 has the same diameter as the diameter of the cover member 101, and covers and protects the cover member 101 until it is removed at the time of photographing.
- the protective member 107 is made of a material having a lower transmittance and a light transmittance than the cover member 101, or is processed so as to be such a member. Further, the protective member 107 is colored in a bright color, for example, in a light green color.
- the third adhesive layer 108 is coated on one surface of the protective member 107, and the protective member 107 is detachably adhered to the cover member 101.
- the third adhesive layer 108 is, for example, a silicone-based adhesive, and is selected from adhesives that do not easily remain on the cover member 101 when the protective member 107 is peeled off and have biocompatibility.
- the base sheet 106 is peeled off from the image pickup device cover 100 (step S11).
- the subject can peel off the first adhesive layer 104 having a weak adhesive force from the base sheet 106 by pinching the protrusion 101b shown in FIG. 6 with a finger and peeling it off from the base sheet 106.
- step S12 the power button 5 of the image pickup apparatus 1 shown in FIG. 1 is turned on (step S12).
- the image acquired via the image sensor 8 (FIG. 2) is displayed on the liquid crystal monitor 6 (FIG. 8A).
- the image pickup device cover 100 is aligned (step S13). Specifically, as shown in FIG. 7A, the image pickup device cover 100 is brought closer to the cover structure 10 while checking the image displayed by the liquid crystal monitor 6.
- the normal mounting position of the cover 100 for the image pickup apparatus is, as shown in FIG. 8A, the center O of the colored layer 103 (double-sided tape 102) formed in an annular shape (the center O is the circular portion of the cover member 101).
- the center of 101a) coincides with the center O'of the imageable region R1 (the center O'is also the center of the image guarantee region R2).
- the alignment of the image pickup device cover 100 to the regular mounting position is performed while observing the images displayed on the liquid crystal monitors 6 shown in FIGS. 8A and 8B. Assuming that the image pickup device cover 100 is mounted at a regular mounting position, as shown in FIG.
- the width W2 of the colored layer 103 protruding inward from the outer edge 109 of the shootable region R1 is the outer edge 109 of the shootable region R1. It becomes constant over the entire circumference. Therefore, it is possible to intuitively determine whether the image pickup device cover 100 is in the regular mounting position or deviated from the regular mounting position by looking at the image of the liquid crystal monitor 6. The subject may align the image pickup device cover 100 while checking the image on the liquid crystal monitor 6 so that the amount of protrusion from the outer edge 109 of the photographable region R1 to the inside of the colored layer 103 is constant. ..
- the image pickup device cover 100 is attached to the image pickup device 1 (step S14). As shown in FIG. 7B, the image pickup device cover 100 adheres the first adhesive layer 104 so that its outer edge coincides with the outer edge of the objective cover 40. As a result, the surface of the objective cover 40 on the side facing the skin disease portion can be covered with the image pickup device cover 100.
- the protective member 107 is peeled off from the cover member 101 (step S15).
- a step h corresponding to the total thickness of the protective member 107 and the third adhesive layer 108 is formed between the protective member 107 and the protruding portion 101b of the cover member 101.
- the protective member 107 can be easily peeled off from the portion where the step h is formed.
- FIG. 7C the attachment of the image pickup device cover 100 is completed, and the cover member 101 can be arranged on the side of the image pickup device cover 100 facing the skin disease portion.
- the skin disease part is photographed (step S16).
- the gel is applied to the skin diseased part, and the objective cover 40 to which the image pickup device cover 100 is attached is pressed from above.
- the subject operates the shutter button 4 (FIG. 1). This makes it possible to perform dermoscopy photography of the skin disease portion.
- the image pickup device cover 100 and the objective cover 40 are separated from the skin diseased part, and the shutter button 4 (FIG. 1) is operated. This makes it possible to perform normal imaging of the skin diseased part.
- the image pickup device cover 100 is removed from the image pickup device 1 (step S17). As a result, the shooting of the image pickup apparatus 1 is completed.
- the image pickup device cover 100 can be easily removed by pinching the protruding portion 101b shown in FIG. 7C with a finger. As a result, the first adhesive layer 104 is peeled off from the objective cover 40. As described above, the objective cover 40 from which the image pickup device cover 100 has been removed is not in contact with the skin disease portion at the time of photographing, so that the hygienic state is maintained. Then, when the skin disease portion of another patient is photographed, the imaging may be performed again according to the flowchart shown in FIG.
- dermoscopy photography can be performed in a state where the objective cover 40 is covered with the image pickup device cover 100 and brought close to the skin disease portion.
- the objective cover 40 does not come into contact with the skin disease portion, and the hygienic state of the image pickup apparatus 1 can be maintained.
- cover 100 for the imaging device that comes into contact with the skin diseased part can be replaced for each patient, it is possible to take a picture and examine the skin diseased part while considering hygiene.
- the double-sided tape 102 for adhering the image pickup device cover 100 is provided only on the cover peripheral edge portion 101c which is the peripheral edge portion of the image pickup device cover 100.
- the adhesive layer is not provided in the image pickup guarantee area R2, it is possible to prevent the photographed image from being deteriorated by the adhesive layer, and it is possible to photograph an appropriate image of the affected area.
- the remaining first adhesive layer 104 is in the shooting guarantee area R2. Since it is outside, it does not affect the quality of the captured image. Therefore, even if the image pickup device cover 100 is repeatedly replaced, it is possible to continue taking an appropriate image of the affected area.
- a black-colored colored layer 103 is arranged along the peripheral edge of the image pickup device cover 100 so that the colored layer 103 can be confirmed on the liquid crystal monitor 6 when the image pickup device cover 100 is attached.
- the cover 100 for the image pickup apparatus can be intuitively guided to the proper position by checking the condition of the colored layer 103 displayed on the liquid crystal monitor 6.
- the cover 100 for the image pickup apparatus can be easily attached.
- by adding a color to the colored layer 103 it becomes easy to visually recognize the colored layer 103 in the image of the liquid crystal monitor 6, and it is easy to align the cover 100 for the image pickup apparatus.
- the colored layer 103 can be projected in the same color as the support portion 20 darkly projected on the liquid crystal monitor 6. As a result, it is possible to acquire a captured image that does not cause a sense of discomfort.
- the photographable area reflected on the liquid crystal monitor 6 can be made light green when the cover 100 for the image pickup apparatus is attached. As a result, it becomes easy to distinguish it from the black colored layer 103, and it is possible to easily attach the image pickup device cover 100 while viewing the display image of the liquid crystal monitor 6.
- an annular gap having a width W3 between the inner edge 103a of the colored layer 103 and the outer edge 110 of the shooting guarantee area R2. Is formed.
- the center O of the colored layer 103 formed in an annular shape is the photographable region R1. It does not match the center O'. Even in this case, if the amount of deviation from the normal position is smaller than the width W3, the colored layer 103 does not cover the shooting guarantee region R2 and does not interfere with the captured image.
- the first adhesive layer 104 is composed of an acrylic pressure-sensitive adhesive that can be peeled off again. As a result, even if the colored layer 103 overlaps the shooting guarantee region R2 when the cover 100 for the image pickup device is attached, the cover 100 for the image pickup device can be peeled off and the cover 100 for the image pickup device can be attached again.
- the cover member 101 constituting the image pickup device cover 100 is made of a polycarbonate sheet material having a thickness of 188 ⁇ m, wrinkles are formed when the image pickup device cover 100 is attached or photographed. It is unlikely to occur. As a result, problems such as wrinkles generated on the cover member 101 appearing in the photographed image are less likely to occur, and the skin disease portion can be appropriately photographed.
- the image pickup device cover 200 has a configuration sandwiched between the cover member 101 and the base sheet 106, specifically, a colored layer, as compared with the image pickup device cover 100 of the first embodiment. Only the configuration including 203 and the first adhesive layer 204 is different, but the other configurations are the same. That is, the cover 200 for an image pickup apparatus has a colored layer 203 printed on the cover member 101 and a first adhesive layer 204 having a seal printed on the colored layer 203, instead of the double-sided tape 102 shown in FIG. is doing.
- the colored layer 203 is configured by inkjet printing with red ink on the surface of the cover member 101 opposite to the side on which the protective member 107 is provided.
- the range in which the colored layer 203 is formed is the same as the region of the double-sided tape 102 (cover peripheral portion 101c) shown by hatching in FIG. 5, and is formed in an annular shape.
- the first adhesive layer 204 is made of, for example, an acrylic pressure-sensitive adhesive that can be peeled off again.
- the first adhesive layer 204 is affixed in an annular shape on the colored layer 203.
- the method of attaching the image pickup device cover 200 to the image pickup device 1 is the same as that of the image pickup device cover 100 of the first embodiment. First, the base sheet 106 is peeled off, then the image pickup device cover 200 is aligned, then the image pickup device cover 200 is attached to the objective cover 40, and finally the protective member 107 is peeled off. As a result, as shown in FIG. 10B, the image pickup device cover 200 is attached to the objective cover 40 via the first adhesive layer 204.
- the same action and effect as in the first embodiment are obtained.
- the colored layer 203 is formed of red ink, it is also displayed in red in the image displayed on the liquid crystal monitor 6 (FIGS. 8A and 8B) when the cover 200 for the image pickup apparatus is attached. Therefore, the colored layer 203 can be easily recognized in the image of the liquid crystal monitor 6 (FIGS. 8A and 8B), and the image pickup device cover 200 can be easily aligned.
- Embodiment 3 of the present invention will be described.
- the image pickup device cover 300 is different from the image pickup device cover 100 of the first embodiment only in that the cover member 301 is different from the cover member 101 shown in FIG. Is the same.
- the cover member 301 is made of transparent polycarbonate and is made of a thicker sheet material than the cover member 101 shown in FIG. As shown in FIGS. 11A and 11B, the cover member 301 has a circular portion 301a having a diameter equivalent to the diameter of the objective cover 40, and a protruding portion 301b protruding outward from the outer edge of the circular portion 301a. .. Further, the circular portion 301a is formed with an accommodating portion 301c for accommodating the double-sided tape 102 along the peripheral edge portion thereof. The accommodating portion 301c is formed by subjecting a polycarbonate sheet material to NC (Numerical Control) processing.
- NC Numerical Control
- the accommodating portion 301c is a recess that extends continuously over the entire peripheral edge portion, and is recessed on the opposite side of the objective cover 40.
- the accommodating portion 301c is formed in an annular shape corresponding to the cover peripheral edge portion 101c shown in FIG. 5 when viewed in a plane, and the depth d1 thereof is about the same as the thickness of the double-sided tape 102. Therefore, the double-sided tape 102 accommodated in the accommodating portion 301c does not protrude from the cover member 301, or even if it protrudes, the amount of protrusion with respect to the cover member 301 can be reduced.
- the method of attaching the image pickup device cover 300 to the image pickup device 1 is the same as that of the image pickup device cover 100 of the first embodiment. First, the base sheet 106 is peeled off, then the image pickup device cover 300 is aligned, then the image pickup device cover 300 is attached to the objective cover 40, and finally the protective member 107 is peeled off. As a result, as shown in FIG. 11B, the image pickup device cover 300 is attached to the objective cover 40 via the first adhesive layer 104.
- the accommodating portion 301c which is a recess extending continuously over the entire peripheral edge portion of the cover member 301, is formed to eliminate or reduce the amount of protrusion of the double-sided tape 102 from the cover member 301.
- the cover member 301 and the objective cover 40 can be brought into contact with each other, and the gap between the two 301 and 40 can be reduced.
- the cover member 301 can be held along the objective cover 40, and the cover member 301 can be prevented from warping. This makes it possible to prevent an unintended light source from being reflected and the captured image from being distorted.
- Embodiment 4 of the present invention will be described. As shown in FIG. 12A, only the configuration of the objective cover 440 of the image pickup apparatus 401 in the present embodiment is different from the configuration of the objective cover 40 (FIG. 7C) of the first embodiment, and the other configurations are the same. be.
- the objective cover 440 is composed of a glass cover formed in a circular shape, similarly to the objective cover 40 (FIG. 3). As shown in FIGS. 12A and 12B, the objective cover 440 is formed with an accommodating portion 440a for accommodating the double-sided tape 102 along the peripheral edge thereof.
- the accommodating portion 440a is a recess extending continuously over the entire peripheral edge portion of the objective cover 440, and is formed in an annular shape when viewed in a plane, and the depth d2 thereof is about the same as the thickness of the double-sided tape 102. Is.
- the region in which the accommodating portion 440a is formed is formed outside the imaging guarantee region R2.
- the method of attaching the image pickup device cover 100 to the image pickup device 401 is the same as the attachment method of the image pickup device cover 100 of the first embodiment.
- the base sheet 106 shown in FIG. 6 is peeled off, then the image pickup device cover 100 is aligned, then the image pickup device cover 100 is attached to the objective cover 440, and finally the protective member 107 shown in FIG. To peel off.
- the image pickup device cover 100 is attached to the objective cover 440 via the first adhesive layer 104.
- the same action and effect as in the first embodiment are obtained.
- the accommodating portion 440a for accommodating the double-sided tape 102 is formed on the objective cover 440, the portion other than the peripheral portion of the objective cover 440 is in contact with the cover member 101, or the peripheral portion other than the peripheral portion of the objective cover 440.
- the cover 100 for an image pickup apparatus can be attached in a state where the gap between the portion and the cover member 101 is reduced. As a result, the cover member 101 can be held along the objective cover 440, and the cover member 101 can be prevented from warping. This makes it possible to prevent an unintended light source from being reflected and the captured image from being distorted.
- the accommodating portion 440a for accommodating the double-sided tape 102 is formed on the surface of the objective cover 440, the accommodating portion 440a to which the double-sided tape 102 should be matched can be visually recognized when the cover 100 for the imaging device is attached. The alignment of the cover 100 can be easily performed.
- the first adhesive layer for attaching the cover for the image pickup device is attached to the objective cover of the image pickup device, but in the fifth embodiment, as shown in FIG. 14B, the cover structure 510 is attached. A first adhesive layer is adhered to the attachment 550 attached to the.
- a screw 510a for attaching the attachment 550 is formed on the outer peripheral surface of the cover structure 510 and around the objective cover 40. Further, a female screw 550a is formed on the inner peripheral surface of the attachment 550. The attachment 550 is attached to the cover structure 510 by screwing the female screw 550a into the male screw 510a.
- the attachment 550 is a tubular member whose diameter is expanded toward the camera body 3 side, and covers a part of the outer peripheral surface of the cover structure 510.
- the attachment 550 has an adhesive surface portion 550b to which the first adhesive layer 504 of the image pickup device cover 500 shown in FIG. 14A is adhered to the front end portion, and an upright portion 550c erected from the adhesive surface portion 550b.
- the adhesive surface portion 550b is formed in an annular shape according to the shape of the first adhesive layer 504 formed in an annular shape. As shown in FIG. 14B, the adhesive surface portion 550b is formed at a position recessed by a depth d3 from the surface of the objective cover 40 on the skin disease portion side. That is, the adhesive surface portion 550b is formed at a position recessed toward the image pickup lens system 7 (FIG. 2) with respect to the objective cover 40. This depth d3 is about the same as the thickness of the double-sided tape 502 of the image pickup apparatus cover 500.
- the erection portion 550c is a portion formed in a cylindrical shape erected from the outer edge of the adhesive surface portion 550b to the skin disease portion side, and the cover 500 for an imaging device is housed inside the erection portion 550c. Since the area surrounded by the upright portion 550c generally matches the outer shape of the image pickup device cover 500, the subject can recognize the mounting position of the image pickup device cover 500 by checking the upright portion 550c. Can be done. Further, the upright portion 550c comes into contact with the outer edge of the image pickup device cover 500 to prevent the position shift of the image pickup device cover 500.
- the image pickup device cover 500 To attach the image pickup device cover 500 to the cover structure 510 to which the attachment 550 is attached, first, as shown in FIG. 14B, the image pickup device cover 500 from which the base sheet (not shown) is peeled off is attached to the cover structure 510. Position while bringing them closer. The positioning of the image pickup device cover 500 can be performed by aligning the image pickup device cover 500 with the area surrounded by the upright portion 550c. Then, the first adhesive layer 504 is adhered to the adhesive surface portion 550b of the attachment 550. Finally, the protective member 107 shown in FIG. 14A is peeled off. As a result, as shown in FIG. 14B, the image pickup device cover 500 can be attached to the cover structure 510 to which the attachment 550 is attached via the first adhesive layer 504.
- the cover structure 510 and the attachment 550 are separate bodies
- the cover structure 510 may be an integrated configuration having a configuration corresponding to the attachment 550. This makes it possible to omit the work of attaching and detaching the attachment 550. Further, the upright portion 550c rising from the adhesive surface portion 550b may be omitted. Even in this case, since the annular adhesive surface portion 550b is formed at a recessed position, it is easy to visually recognize. Therefore, by aligning the first adhesive layer 504 with the adhesive surface portion 550b, the image pickup device cover 500 can be easily aligned with the regular position.
- the same action and effect as in the first embodiment are obtained.
- the adhesive surface portion 550b formed on the attachment 550 is formed at a position recessed by a depth d3 from the surface of the objective cover 40 on the skin disease portion side.
- the double-sided tape 502 can be provided in this recessed region, and the gap between the cover member 501 in contact with the objective cover 40 or between the two 501 and 40 can be reduced.
- the image pickup device cover 500 can be attached. As a result, it is possible to prevent the cover member 501 from being warped, and it is possible to prevent an unintended light source from being reflected in the captured image or being distorted.
- the aligned image pickup device cover 500 when aligning the image pickup device cover 500, the area surrounded by the upright portion 550c that matches the image pickup device cover 500 can be visually observed, and the alignment can be easily performed. Further, since the image pickup device cover 500 placed in the aligned position can be surrounded by the upright portion 550c, the aligned image pickup device cover 500 does not shift in position. Therefore, the work of attaching the cover 500 for the image pickup apparatus can be easily and surely executed.
- the image pickup device cover 600 of the sixth embodiment has many configurations in common with the image pickup device cover 100 of the first embodiment. Therefore, the points different from the configuration of the first embodiment will be mainly described below.
- the cover member is made of polycarbonate in the above-described first embodiment
- the cover 600 for an image pickup apparatus in the sixth embodiment has a cover member 601 made of two different materials. is doing. That is, the cover member 601 is composed of a laminated body in which a first layer 609 made of polycarbonate and a second layer 610 made of acrylic resin are integrated.
- the first layer 609 is arranged on the double-sided tape 602 side and has a thickness of, for example, 265 ⁇ m.
- the second layer 610 is arranged on the protective member 607 side and has a thickness of, for example, 35 ⁇ m. As a result, the total thickness of the cover member 601 is, for example, 300 ⁇ m.
- the first layer 609 and the second layer 610 are formed in the same shape as each other, and have a circular portion 601a having a diameter D2 equivalent to the diameter of the objective cover 40 (FIG. 18) and the circular portion 601a outward from the outer edge. It has a protruding portion 601b, which is the same as that of the first embodiment.
- the diameter D2 of the circular portion 601a is, for example, 32.4 mm.
- the outward protrusion amount W5 of the protrusion 601b is, for example, 6.8 mm. Further, as shown in FIG. 15, in the protruding portion 601b, the width W4 in the direction orthogonal to the protruding direction is, for example, 7 mm.
- the double-sided tape 602 has a second adhesive layer 605, a colored layer 603, and a first adhesive layer 604, each of which is formed in an annular shape, similar to the double-sided tape 102 (FIG. 6) of the first embodiment. ing.
- the double-sided tape 602 is adhered to the first layer 609 of the cover member 601 via the second adhesive layer 605.
- the colored layer 603 has a thickness of, for example, 16 ⁇ m
- the first adhesive layer 604 and the second adhesive layer 605 each have a thickness of, for example, 17 ⁇ m. That is, the total thickness of the double-sided tape 602 is, for example, 50 ⁇ m.
- the width W1 of the double-sided tape 602 is set to, for example, 4.55 mm.
- the inner diameter D1 of the double-sided tape 602 is, for example, 23.3 mm.
- the value of the inner diameter D1 is smaller than the diameter of the imageable region R1 shown in FIG. 3 and larger than the diameter of the image guarantee region R2.
- the double-sided tape 602 is removably adhered to the base sheet 606 via the first adhesive layer 604.
- the configuration of the base sheet 606 is the same as the configuration of the base sheet 106 of the first embodiment shown in FIG.
- the protective member 607 is made of a translucent material, for example, a sheet material made of polyethylene terephthalate having a thickness of 50 ⁇ m.
- the protective member 607 is formed in a circular shape, and its diameter is the same as the diameter D2 of the circular portion 601a of the cover member 601.
- the protective member 607 is colored in blue, for example, and covers and protects the cover member 601 until it is removed at the time of photographing.
- the third adhesive layer 608 has the same structure and function as the protective member 107 shown in FIG. 6, and the protective member 607 is detachably adhered to the cover member 601.
- the third adhesive layer 608 has, for example, a thickness of 30 ⁇ m.
- the cover member 101 is an annular double-sided tape. It is installed on the objective cover 40 in a state of being supported by the 102. At this time, a gap S surrounded by the double-sided tape 102 is formed between the cover member 101 and the objective cover 40. That is, a gap S corresponding to the thickness of the double-sided tape 102 is formed between the cover member 101 and the objective cover 40.
- the image pickup device cover 600 according to the sixth embodiment which is attached to the objective cover 40 by using the annular double-sided tape 602. That is, when the image pickup device cover 600 shown in FIG. 16 is attached to the image pickup device 1, the gap S corresponding to the thickness of the double-sided tape 602 of 50 ⁇ m is within the circular region having the inner diameter D1 of the double-sided tape 602, that is, the diameter of 23.3 mm. Formed over.
- the cover member 601 pressed against the skin diseased part bends to the void S side.
- the maximum deflection generated in the cover member 601 reaches the thickness of the double-sided tape 602 (for example, 50 ⁇ m)
- the cover member 601 comes into contact with the objective cover 40 in the same manner as shown in FIG. 18B.
- the air layer between the cover member 601 and the objective cover 40 becomes extremely thin and approaches the wavelength of the transmitted light.
- the light reflected by the cover member 601 and the light reflected by the objective cover 40 may interfere with each other to generate interference fringes.
- a plurality of covers for image pickup devices having different bending rigidity are prepared (step S21). Specifically, a plurality of covers for an image pickup device are prepared in which only the bending rigidity of the cover member is different and the other conditions are the same. It should be noted that the method of making the bending rigidity different can be realized by making the thickness of the cover member different or making the material different. The other conditions set in the same condition are the material and various dimensions of the double-sided tape 602, and the plane dimensions of the cover member.
- a plurality of prepared covers for the imaging device are attached to the imaging device 1 (FIG. 1), dermoscopy imaging of the skin disease portion is performed (step S22), and it is confirmed whether or not the cover member comes into contact with the objective cover 40. do.
- the method of dermoscopy photography using the image pickup apparatus 1 (FIG. 1) is as described with reference to FIG. At this time, if the cover for the image pickup device prepared is attached to the image pickup device 1 and the image is taken from the cover having the smaller bending rigidity, it is easy to find the cover member having the minimum bending rigidity that does not come into contact with the objective cover 40.
- step S22 a cover for an image pickup device that did not come into contact with the objective cover 40 during dermoscopy photography is selected (step S23).
- step S23 it is possible to determine whether or not the cover member has come into contact with the objective cover 40 based on the captured image projected on the liquid crystal monitor 6 shown in FIG.
- step S24 the cover for the image pickup device selected in step S23 is pressed by the measuring device (step S24).
- the pressing of the image pickup device cover is performed by the push-pull gauge 1003 with the center of the cover member 1001 of the image pickup device cover 1000 selected in step S23 attached to the objective cover 40. Press with the pressing portion 1004.
- the reason for pressing the center of the cover member 1001 is that the center of the cover member 1001 supported by the annular double-sided tape 602 is most easily bent.
- the pressing portion 1004 is gradually pushed into the cover member 1001, and as shown in FIG. 18B, the pressing load at the time when the cover member 1001 comes into contact with the flexible objective cover 40 is measured (step 25).
- the objective cover 40 in addition to the cover member 1001 resists the pressing of the push-pull gauge 1003.
- the pressing load indicated by the push-pull gauge 1003 increases with a larger inclination than before the cover member 1001 comes into contact with the objective cover 40. Based on the rate of change of the pressing load per unit time indicated by the push-pull gauge 1003, it is possible to determine whether or not the cover member 1001 has come into contact with the objective cover 40.
- the pressing load at the time when the cover member 1001 comes into contact with the objective cover 40 is read from the value immediately before the value indicated by the push-pull gauge 1003 increases.
- the smallest pressing load among the pressing loads obtained in this way is obtained from the one having the smallest bending rigidity among the covers for imaging devices that do not come into contact with the objective cover 40 during dermoscopy imaging. Is. Therefore, the smallest pressing load is set to the required pressing load (reference pressing load) required when the cover member comes into contact with the objective cover 40. That is, when the cover member pressed by the measuring device comes into contact with the objective cover 40 and a pressing load equal to or greater than the required pressing load is required, the measured cover member has the desired flexural rigidity. It can be judged as a thing.
- the cover member is used as described with reference to FIGS. 18A and 18B.
- the pressing load at the time of contact with the objective cover 40 is measured, and the one in which the measured pressing load exceeds the required pressing load is adopted as the cover member of the cover for the image pickup device (step S26).
- the cover member is determined whether or not the cover member has desired bending rigidity only by measuring the pressing load when the cover member comes into contact with the objective cover 40. Can be judged.
- steps S21 to 25 shown in FIG. 17 are executed, and for example, 2.0 N is obtained as the required pressing load required when the cover member comes into contact with the objective cover 40. ..
- the cover member 601 having a total thickness of 300 ⁇ m in which the first layer 609 made of polycarbonate and the second layer 610 made of acrylic resin are integrated as shown in FIG. 16 the pressing load when contacting the objective cover 40 is 2. It was 2N, which exceeded the required pressing load of 2.0N. Therefore, it can be determined that the cover member 601 has a desired flexural rigidity that does not come into contact with the objective cover 40.
- the image pickup device cover 600 was attached to the image pickup device 1 and dermoscopy photography was performed, but the cover member 601 did not come into contact with the objective cover 40.
- the cover member (thinner than the cover member 601) having a total thickness of 200 ⁇ m in which the layer made of polycarbonate and the layer made of acrylic resin are integrated the pressing load when in contact with the objective cover 40 is 1.4 N.
- the required pressing load was less than 2.0 N. Therefore, it can be determined that the cover member having a thickness of 200 ⁇ m does not have the desired flexural rigidity and may come into contact with the objective cover 40 during dermoscopy imaging to cause a problem in the captured image.
- a cover for an image pickup device using this cover member having a thickness of 200 ⁇ m was attached to the image pickup device 1 and dermoscopy photography was performed, it was confirmed that the cover member came into contact with the objective cover 40.
- step S21 of FIG. 17 a cover for an image pickup device to be actually used is prepared, and in step S23, if a cover for an image pickup device that does not come into contact with the objective cover 40 in actual dermos copy photography can be selected, the cover for the image pickup device can be selected. It can be used for shooting, and is unnecessary after step S24.
- step S22 shown in FIG. 17 it was explained that whether or not the cover member contacts the objective cover 40 is determined based on the captured image, but the liquid crystal monitor 6 (FIG. 2) functioning as a finder determines the composition. The judgment may be made based on the image displayed on the (so-called live view image).
- step S25 shown in FIG. 17 it has been described that whether or not the cover member 1001 has contacted the objective cover 40 is determined based on the change in the pressing load indicated by the push-pull gauge 1003. It may be determined whether or not the cover member 1001 is actually in contact with the member 1001, or it may be determined from both the change in the pressing load and the appearance of the cover member 1001 being pressed.
- the required pressing load obtained in step S25 of FIG. 17 also has a different value.
- the thickness of the double-sided tape the clearance between the cover member and the objective cover can be easily changed. Therefore, when changing these conditions, it is necessary to perform the process shown in FIG. 17 again to determine the cover member.
- the cover member 601 has a desired bending rigidity that does not come into contact with the objective cover 40 during dermoscopy photography (for example, it is secured by setting the thickness to 300 ⁇ m). .. Therefore, it is possible to prevent the interference fringes of light generated when the cover member 601 comes into contact with the objective cover 40, and thereby it is possible to suppress the deterioration of the quality of the captured image.
- the cover member 601 can be suppressed, so that it is difficult to generate a suction state. As a result, it is possible to suppress a phenomenon in which interference fringes are always reflected in the captured image or distortion that is always visible is generated in the captured image due to the occurrence of the adsorption state.
- step S25 of FIG. 17 by obtaining the required pressing load of the cover member 601 in advance, it is determined by using a push-pull gauge whether or not the cover member made of different materials has appropriate bending rigidity. It can be judged just by pressing. As a result, deterioration of the quality of the captured image can be suppressed by performing a simple confirmation work.
- the cover member 601 is composed of a laminated body in which a first layer 609 made of polycarbonate and arranged on the double-sided tape 602 side and a second layer 610 made of acrylic resin and arranged on the protective member 607 side are integrated. ing.
- the cover member 601 can have both physical properties that are likely to contradict each other, such as increasing the impact resistance with polycarbonate and increasing the surface hardness and bending rigidity with acrylic resin.
- the second layer 610 made of acrylic resin having a high surface hardness is arranged on the image pickup target side, the surface of the cover member 601 is less likely to be scratched during shooting, and deterioration of the quality of the captured image can be suppressed. can.
- Embodiment 7 of the present invention will be described.
- the image pickup device cover 600 in which one adhesive cover 611 is provided on one base sheet 606 has been described.
- the adhesive cover 611 is a portion of the image pickup device cover 600 excluding the base sheet 606.
- the image pickup device cover 700 according to the present embodiment as shown in FIG. 19, six adhesive covers 611 are provided on one base sheet 706.
- the base sheet 706 shown in FIG. 19 has a rectangular shape, and has, for example, a length of 105 mm in the vertical direction in the figure and 100 mm in the horizontal direction in the figure.
- the protruding portions 601b formed on the six adhesive covers 611 are all directed to the left in the drawing and are oriented in the same direction.
- the trouble of replacing the base sheet 706 every time the cover for the image pickup device is replaced is reduced, and different patients have different patients. It is possible to smoothly take a picture of a skin diseased part. Further, since all of the protruding portions 601b formed on the adhesive cover 611 face the same direction, they are easily recognized by the target person (user), and the protruding portions are easily recognized when the adhesive cover 611 is peeled off from the base sheet 706. You can pinch 601b. As a result, it is possible to smoothly perform imaging of the skin diseased portion.
- Embodiment 8 of the present invention will be described with reference to FIGS. 20 and 21.
- the present embodiment is different from the above-described embodiment in that an optical liquid material applied is interposed between the cover for the image pickup apparatus and the objective cover for photographing, that is, in the flowchart shown in FIG. Compared with the flowchart shown in 9, it is different in that it has steps S10 and S18 in addition to steps S11 to S17.
- the image pickup device 401 (FIG. 12) of the fourth embodiment which can make the cover member and the objective cover in contact with each other or the gap between the two in a small state, is attached to the sixth embodiment.
- the case where the cover 600 for the image pickup apparatus (FIG. 16) is attached will be described.
- the optical liquid material 801 is applied to the objective cover 440 (step S10).
- the optical liquid material 801 is applied to a region centered on the center of the objective cover 440, and this region is a region where the double-sided tape 602 of the image pickup apparatus cover 600 is not formed (objective cover 440). Areas other than the peripheral area).
- the optical liquid material 801 to be applied is preferably selected from a material having a refractive index close to the refractive index (for example, 1.584) of the first layer 609 made of polycarbonate, for example, made of epoxy.
- the steps S11 to S17 shown in FIG. 9 are sequentially executed. That is, the base sheet 606 is peeled off from the cover 600 for the image pickup device (step S11), and the power button 5 of the image pickup device 1 is turned on (step S12). Next, in order to attach the image pickup device cover 600 to the regular mounting position, the image pickup device cover 600 is aligned (step S13), and the image pickup device cover 600 is attached to the objective cover 440 (step S14). At this time, the cover 600 for the image pickup apparatus is attached while extruding the excess optical liquid material 801 and the extruded optical liquid material is wiped off.
- the optical liquid material 801 applied to the objective cover 440 becomes the objective cover 440, the cover member 601 and the double-sided tape as shown in FIG. 21B. It enters the gap surrounded by 602 and is filled.
- step S15 the protective member 607 is peeled off from the cover member 601 (step S15).
- the attachment of the cover 600 for the image pickup apparatus is completed with the optical liquid material 801 interposed therebetween without forming an air layer between the objective cover 440 and the cover member 601. Can be done.
- step S16 an image of the skin disease part is taken (step S16), and when all the pictures of the skin disease part of one patient are completed, the image pickup device cover 600 is removed from the image pickup device 1 (step S17). Finally, the optical liquid material 801 remaining on the objective cover 440 is wiped off (step S18), whereby the photographing of the image pickup apparatus 1 is completed.
- the optical liquid material can be arbitrarily selected from not only those made of acrylic but also materials having high light transmittance and a refractive index close to the refractive index (1.584) of the first layer.
- it may be made of acrylic.
- the space between the objective cover 440 and the cover member 601 is filled with an optical liquid material 801 having a refractive index close to that of the first layer 609.
- the difference between the refractive index of the first layer 609 and the refractive index of the member adjacent to the first layer 609 that is, the optical liquid material 801 becomes small, and the reflection of light on the surface of the first layer 609 is minimized. Can be limited. Therefore, the quality of the captured image can be improved.
- optical liquid material 801 is filled between the objective cover 440 and the cover member 601 to form an air layer, it is possible to suppress the occurrence of light interference fringes and deteriorate the quality of the captured image. It can be suppressed.
- the present invention is not limited to the above embodiment, and various modifications and applications are possible.
- the shooting guarantee area R2 in the image captured and stored in the memory card 13 (FIG. 2) and the image displayed on the liquid crystal monitor 6 as a finder, for example, as shown in FIGS. 8A and 8B, the shooting guarantee area R2
- the colored layer 103, the support portion 20, and the like in the region outside the area were also projected as they were.
- the cover for the image pickup device is attached at a position deviated from the normal position, the colored layer 103 is also misaligned and reflected, and it is easy to feel a sense of discomfort in the captured image.
- the image may be processed so that the image reflected outside the shooting guarantee area R2 cannot be recognized.
- the image processing processor 11 uses a single color for the area outside the shooting guarantee area R2. It may be filled.
- FIG. 22B shows an image in which the outside of the guaranteed photographing region R2 is filled with black.
- the image in the shooting guarantee region R2 may be cut out. ..
- the region R3 to be cut out in this way has, for example, an angle of view such that the diagonal angle of view matches the shooting guaranteed area R2, and is digitally zoomed and cut out to generate the image 52 shown in FIG. 23B.
- This makes it possible to generate an image 52 in which only the skin 60 is projected, as shown in FIG. 23B.
- the image subjected to such processing may be saved in a memory card 13 (FIG. 2) or the like as an image to be captured, or may be adopted as an image projected by the liquid crystal monitor 6 as a finder after the cover for the image pickup device is attached. good.
- a region R4 having an angle of view such that the diagonal angle of view coincides with the photographable region R1 may be cut out as a digital zoom.
- the support portion 20 that is not the image pickup target is not projected on the image, it is possible to generate an image that does not give a sense of discomfort.
- the colored layer 103 can be projected small at the four corners of the image, the positioning of the cover 100 for the image pickup apparatus can be executed while viewing the image displayed on the liquid crystal monitor 6. Further, since the colored layer 103 is only projected small at the four corners of the image, it is difficult to give a sense of discomfort to the image due to the reflected colored layer 103.
- the liquid crystal monitor 6 that displays an image as a finder displays a circle indicating the shooting guarantee area R2 to support the image pickup target to be shot within the shooting guarantee area R2. Whether or not the area R2 is displayed on the liquid crystal monitor 6 is arbitrary. By not displaying the shooting guarantee area R2, the visibility of the image displayed on the liquid crystal monitor 6 can be improved. Further, the subject may operate the touch panel of the liquid crystal monitor 6 to select whether or not to display the shooting guarantee area R2.
- the color of the colored layer is arbitrary. That is, a color that is easy to see may be adopted in order to emphasize workability, or an inconspicuous color may be adopted in order to emphasize the appearance of the captured image.
- an image pickup device cover 100 made of colored layers of different colors is prepared in advance so that the color of the colored layer of the image pickup device cover 100 used by the subject can be selected. May be good.
- each adhesive layer is not limited to the above-mentioned materials, and can be arbitrarily selected as long as its function can be satisfied.
- the third adhesive layer 108 that detachably adheres the protective member 107 is a material that does not leave adhesive residue and is biocompatible because it is adhered to the cover member 101 that comes into contact with the skin at the time of photographing. It is preferable to adopt from the agent.
- the protective member 107 is made of polyethylene, it may be made of a material that can protect the cover member 101 because it is removed at the time of shooting. For example, it may be made of polyethylene terephthalate or polypropylene. Further, although the protective member 107 has been described as having a light green color, it can be colored by coloring it with a high-brightness color so that it is displayed brightly on the liquid crystal monitor even when the background is dark when the cover for the image pickup device is attached. Can be selected arbitrarily.
- the cover member 101 is used as an optical transmission surface, it is preferably made of a material that does not easily wrinkle. Further, in the above embodiment, the cover member 101 has been described as being formed of a sheet material, but may be formed of a plate material having higher bending rigidity. Further, the cover member 101 is a material having a small birefringence index, a flat spectral transmittance with little color change, and biocompatibility so as not to affect the polarization performance of the image pickup apparatus. It is preferable to select from certain materials. Further, the cover member 101 (the region other than the colored layer 103 of the peripheral portion 101a thereof) is preferably selected from the materials that transmit light in the convertible wavelength region of the image pickup device 8 described above. For example, it is preferably made of acrylic or triacetyl cellulose in addition to polycarbonate.
- the colored layer provided on the peripheral edge portion of the cover member 101 does not have to be formed in a state of being connected in an annular shape, and may be formed intermittently on the peripheral edge portion of the cover member 101. For example, even if it is formed intermittently, it needs to be formed on the peripheral edge of the cover member 101 so that the misalignment can be intuitively recognized when the cover 100 for the image pickup apparatus is aligned. be.
- the first adhesive layer 104 for adhering the cover member 101 to the objective cover 40 and the colored layer 103 colored so as to be easily identified in the image have separate configurations.
- the first adhesive layer 104 itself may be colored so that the first adhesive layer 104 also has a function as a colored layer 103. That is, the first adhesive layer 104 includes a case where the colored layer 103 is provided and a case where the colored layer 103 is not provided.
- the peripheral portion of the cover member 101 may be colored so that the cover member 101 also has the function of the colored layer 103. .. That is, the cover member 101 includes a case where it has a colored layer and a case where it does not have a colored layer. When the cover member 101 has, for example, a black colored layer on the peripheral edge portion, the peripheral portion does not transmit light. In this case, the cover member 101 transmits light in a part of the region except the peripheral portion.
- the cover member 101 may be made of a material passing through these wavelengths and is transparent. It does not have to be composed of a sheet material, and may be composed of a translucent material.
- the protective member 107 does not have a portion corresponding to the protruding portion 101b of the cover member 101 and both have the same shape
- the protective member 107 is also provided with a portion corresponding to the protruding portion 101b.
- the protective member 107 and the cover member 101 may have the same shape.
- the cover member 601 has a laminated structure of a layer made of polycarbonate and a layer made of acrylic resin. Not limited. A cover member having various characteristics can be realized by appropriately combining those having different physical characteristics. Further, the thickness of each of the two layers can be arbitrarily set. Further, the cover member may be a laminated body having two or more layers.
- a method of applying an optical liquid material to the objective cover and attaching the image pickup device cover 600 according to the sixth embodiment to the image pickup device 401 of the fourth embodiment has been described, but other imaging methods have been described.
- This method can also be adopted when attaching the device cover.
- it is applied to the image pickup device covers 300 (FIG. 11) and 500 (FIG. 14) according to the third and fifth embodiments in which the objective cover and the cover member can be brought into contact with each other or the space between the two can be reduced. can do.
- It can also be applied to the image pickup device covers 100 (FIG. 6) and 200 (FIG. 10) of the first and second embodiments in which a gap is formed between the objective cover and the cover member.
- the cover member is composed of one layer, it is preferable to select the optical liquid material from a material having a refractive index close to the refractive index of the cover member. As a result, the reflection of light on the surface of the cover member can be minimized, and the quality of the captured image can be improved.
- the number of adhesive covers to be installed on one base sheet is arbitrary, and may be one or six or less as described above. On the other hand, it is preferable to limit the number of adhesive covers within a size range that makes it easy to handle the base sheet.
- the image pickup device is not limited to the dermoscopy camera, and various image pickup devices can be targeted.
- the present invention can be applied when it is desired to maintain the hygienic state of the objective cover when the objective cover is soiled.
- the image pickup device includes not only a device for shooting a still image but also a device for shooting a moving image.
- the present invention can also be applied to an image pickup device attached to another device, and can be applied to, for example, an image pickup device mounted on a computer, a television, a game machine, a smartphone, a tablet terminal, or the like.
- the objective cover 40 is not limited to a circular shape, and may be a polygonal shape such as a quadrangle, a triangle, or a pentagon.
- the shape of the image pickup device cover 100 that covers the objective cover 40 is also not limited to the circular shape.
- the objective cover 40 and the image pickup device cover 100 do not have to have the same shape, and one may have a circular shape and the other may have a polygonal shape.
- the present invention is based on Japanese Patent Application No. 2020-149899 filed on September 7, 2020, and Japanese Patent Application No. 2021-010405 filed on January 26, 2021.
- the present invention is particularly useful for taking an appropriate image while considering the hygiene of the image pickup apparatus.
- Image pickup device cover 1001 ... Cover member, 1003 ... Push-pull gauge, 1004 ... Pressing part, D1 ... Inner diameter, D2 ... ⁇ ⁇ Diameter, d1, d2, d3 ⁇ ⁇ ⁇ Depth, h ⁇ ⁇ ⁇ Step, O, O ′ ⁇ ⁇ ⁇ Center, R1 ⁇ ⁇ ⁇ Shootable area, R2 ⁇ ⁇ ⁇ Shooting guaranteed area, R3, R4 ⁇ ⁇ Area, S ⁇ ⁇ Void, W1, W2, W3, W4 ⁇ ⁇ ⁇ width, W5 ⁇ ⁇ ⁇ protrusion amount
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Abstract
Description
図1に示すように、撮像装置1は、例えば、被写体である皮膚の状態を診察するための画像を撮像するダーモスコピーカメラである。撮像装置1は、コントローラ2と、コントローラ2の前方に設けられたカメラ本体3とを有している。また、撮像装置用カバー100は、撮影時に撮像装置1に貼付されて、カバー構造体10の先端にある対物カバー40を覆う。
次に本発明の実施の形態2について説明する。なお、本実施の形態では、上記実施の形態1と共通する構成も多いため、共通する構成については、同じ符号を付している。図10Aに示すように、撮像装置用カバー200は、上記実施の形態1の撮像装置用カバー100と比較して、カバー部材101と土台シート106とに挟まれた構成、具体的には着色層203と第1の接着層204とからなる構成のみが異なるが他の構成は同様である。すなわち、撮像装置用カバー200は、図6に示す両面テープ102の代わりに、カバー部材101に印刷された着色層203と、着色層203上にシール印刷された第1の接着層204とを有している。
次に、本発明の実施の形態3について説明する。図11Aに示すように、撮像装置用カバー300は、上記実施の形態1の撮像装置用カバー100と比較して、カバー部材301が図6に示すカバー部材101と異なるだけであり、その他の構成は同じである。
次に本発明の実施の形態4について説明する。図12Aに示すように、本実施の形態において撮像装置401の対物カバー440の構成のみが、実施の形態1の対物カバー40(図7C)の構成と異なるだけであり、他の構成は同じである。
上述した各実施の形態では、撮像装置用カバーを取り付けるための第1の接着層を、撮像装置の対物カバーに取り付けたが、実施の形態5では、図14Bに示すように、カバー構造体510に取り付けられたアタッチメント550に第1の接着層が接着されている。
実施の形態6の撮像装置用カバー600は、実施の形態1の撮像装置用カバー100と共通する構成も多い。そのため、以下では実施の形態1の構成と異なる点を中心に説明する。上記の実施の形態1において、カバー部材はポリカーボネート製であると説明したが、図16に示すように、実施の形態6における撮像装置用カバー600は、異なる2つの材料からなるカバー部材601を有している。すなわちカバー部材601は、ポリカーボネートからなる第1層609と、アクリル樹脂からなる第2層610とが一体化した積層体から構成されている。第1層609は、両面テープ602側に配置され、厚みが例えば265μmである。第2層610は、保護部材607側に配置され、厚みが例えば35μmである。これにより、カバー部材601の総厚は、例えば300μmである。第1層609と第2層610は、互いに同形状に形成されており、対物カバー40(図18)の直径と同等程度の直径D2を有する円形部601aと、円形部601aの外縁から外側に突出した突出部601bとを有しており、この点は、上記の実施の形態1と同様である。円形部601aの直径D2は、例えば32.4mmである。また、突出部601bの外側への突出量W5は、例えば6.8mmである。また、図15に示すように、突出部601bにおいて、突出する方向に直交する方向における幅W4は、例えば7mmである。
次に、本発明の実施の形態7について説明する。上記実施の形態では、例えば図15に示すように、1枚の土台シート606に、1つの接着カバー611が設けられた撮像装置用カバー600について説明した。なお、接着カバー611とは、図16に示すように、撮像装置用カバー600から土台シート606を除いた部分のことである。一方、本実施の形態に係る撮像装置用カバー700では、図19に示すように、1枚の土台シート706に6つの接着カバー611が設けられている。
次に、本発明の実施の形態8について、図20、21を参照しながら説明する。本実施の形態では、撮像装置用カバーと対物カバーとの間に、塗布した光学液状材を介在させて撮影する点が上記実施の形態と異なっており、すなわち、図20に示すフローチャートにおいて、図9に示すフローチャートと比較して、ステップS11~S17に加えて、ステップS10とステップS18とを有する点が異なっている。なお、本実施の形態では、カバー部材と対物カバーとを接触させた状態、あるいは両者の隙間を小さい状態とすることができる実施の形態4の撮像装置401(図12)に、実施の形態6の撮像装置用カバー600(図16)を取り付けた場合について説明する。
Claims (25)
- 少なくとも一部の領域が入射される光に対して透過性を有するカバー部材と、
前記カバー部材の周縁部であるカバー周縁部に設けられた第1の接着層と、を備え、
前記カバー部材は、撮像装置のレンズに対象からの反射光を導く対物カバーを覆った状態で、前記対物カバーを含む前記撮像装置に、前記第1の接着層を介して剥離可能に接着されている、
撮像装置用カバー。 - 前記カバー周縁部には、着色された着色層が設けられている、
請求項1に記載の撮像装置用カバー。 - 前記着色層は、前記カバー周縁部に円環状に印刷されている、
請求項2に記載の撮像装置用カバー。 - 前記着色層を、前記カバー周縁部に接着する第2の接着層をさらに備え、
前記カバー周縁部には、前記第2の接着層、前記着色層、及び前記第1の接着層が、前記カバー周縁部側からこの順で、前記カバー部材の厚さ方向に積層された状態で設けられている、
請求項2に記載の撮像装置用カバー。 - 前記第2の接着層の接着強度は、前記第1の接着層の接着強度よりも強い、
請求項4に記載の撮像装置用カバー。 - 前記第2の接着層、前記着色層、及び前記第1の接着層は、前記着色層を基材とする両面テープを形成しており、
前記両面テープは、前記カバー周縁部に円環状に形成されている、
請求項4または5に記載の撮像装置用カバー。 - 前記カバー部材は、貼付したり剥離したりする際に対象者がつまむための、外縁から外側に突出した突出部を有している、
請求項1から6のいずれか1項に記載の撮像装置用カバー。 - 前記カバー部材は、シート材から形成されている、
請求項1から7のいずれか1項に記載の撮像装置用カバー。 - 前記カバー部材は、互いの材質が異なる少なくとも第1層と第2層とを有し、前記第1層と前記第2層とが一体化した積層体から構成されている、
請求項1から8のいずれか1項に記載の撮像装置用カバー。 - 前記第2層は前記第1層よりも曲げ剛性が高い材料から構成されており、
前記第1層は、前記第2層よりも前記第1の接着層側に配置されている、
請求項9に記載の撮像装置用カバー。 - 前記第1層は、ポリカーボネートから構成され、
前記第2層は、アクリル樹脂から構成されている、
請求項9または10に記載の撮像装置用カバー。 - 前記カバー部材は、前記撮像装置により前記対物カバーを患部に当接させて撮影する場合に、前記対物カバーに接触することのない曲げ剛性を有する、
請求項1から11のいずれか1項に記載の撮像装置用カバー。 - 前記撮像装置が使用されるまで前記カバー部材を覆って保護し、前記撮像装置による撮影時には前記カバー部材から剥がされる、前記カバー部材よりも透光性の低い材料からなる保護部材と、
前記カバー部材の前記第1の接着層側の面とは反対側の面に、前記保護部材を剥離可能に接着する第3の接着層と、
前記第1の接着層に剥離可能に接着され、前記撮像装置に取り付ける際に前記第1の接着層から剥がされる土台シートと、を備える、
請求項1から12のいずれか1項に記載の撮像装置用カバー。 - 前記保護部材は着色されている、
請求項13に記載の撮像装置用カバー。 - 前記カバー周縁部は、前記カバー部材の前記カバー周縁部以外の部分よりも、前記対物カバーと反対側に凹んだ位置に形成されている、
請求項1から14のいずれか1項に記載の撮像装置用カバー。 - 請求項1から15のいずれか1項に記載の撮像装置用カバーが取り付けられる撮像装置であって、
通常の撮影状態である第1撮影状態と、前記対物カバーを患部に近接させて撮影する第2撮影状態とで、患部の診断を支援するための画像を撮像し、
前記カバー部材は、前記第1の接着層を介して前記対物カバーに剥離可能に接着されている、
撮像装置。 - 請求項1から14のいずれか1項に記載の撮像装置用カバーが取り付けられる撮像装置であって、
通常の撮影状態である第1撮影状態と、前記対物カバーを患部に近接させて撮影する第2撮影状態とで、患部の診断を支援するための画像を撮像し、
前記第1の接着層は、前記撮像装置における前記対物カバーよりも外側の部分に接着され、前記第1の接着層が接着される部分は、前記対物カバーよりも、前記レンズ側に凹んだ位置に形成されている、
撮像装置。 - 前記撮像装置における前記対物カバーよりも外側の部分に、前記第1の接着層を接着するためのアタッチメントが着脱可能である、
請求項17に記載の撮像装置。 - 請求項2から6のいずれか1項に記載の撮像装置用カバーが前記第1の接着層を介して取り付けられる撮像装置であって、
通常の撮影状態である第1撮影状態と、前記対物カバーを患部に近接させて撮影する第2撮影状態とで、患部の診断を支援するための画像を撮像し、
前記撮像装置用カバーを正規の取付位置に取り付けた場合、前記対物カバーを通して撮像される画像において、前記着色層の画像は、撮像画像の中心に設定される撮影保証領域の外側に撮像される、
撮像装置。 - 前記撮像画像における前記撮影保証領域よりも外側の領域を、単一の色に塗りつぶした画像を生成する、
請求項19に記載の撮像装置。 - 前記撮像画像から、対角の画角が前記撮影保証領域と一致する画角の画像を切り出す、
請求項19に記載の撮像装置。 - 請求項1から15のいずれか1項に記載の撮像装置用カバーを撮像装置に取り付けて撮影する撮影方法であって、
前記第1の接着層を介して前記撮像装置用カバーを前記対物カバーに取り付ける工程と、
前記撮像装置用カバーを取り付けた状態で、前記対物カバーを患部に近接させてダーモスコピー撮影をする工程と、
撮影が終了した後に、前記撮像装置用カバーを前記対物カバーから取り外す工程と、を備える、
撮影方法。 - 請求項1から15のいずれか1項に記載の撮像装置用カバーを撮像装置に取り付けて撮影する撮影方法であって、
前記対物カバーの前記第1の接着層が接着される領域よりも内側に光透過性を有する光学液状材を塗布し、前記第1の接着層を介して前記撮像装置用カバーを前記対物カバーに取り付ける工程と、
前記撮像装置用カバーを取り付けた状態で、前記対物カバーを患部に近接させてダーモスコピー撮影をする工程と、
撮影が終了した後に、前記撮像装置用カバーを前記対物カバーから取り外す工程と、を備える、
撮影方法。 - 前記光学液状材は、隣接するカバー部材の屈折率に近い屈折率を有している、
請求項23に記載の撮影方法。 - 請求項2から6のいずれか1項に記載の撮像装置用カバーを撮像装置に取り付けて撮影する撮影方法であって、
前記第1の接着層を介して前記撮像装置用カバーを前記対物カバーに取り付ける工程と、
前記撮像装置用カバーを取り付けた状態で、前記対物カバーを患部に近接させてダーモスコピー撮影をする工程と、
撮影が終了した後に、前記撮像装置用カバーを前記対物カバーから取り外す工程と、を備え、
前記撮像装置用カバーを取り付ける際に、前記撮像装置が有する液晶モニタの画像に映し出された前記着色層が、撮像画像の中心に設定される撮影保証領域の外側となるように、前記撮像装置用カバーの位置合わせを行う、
撮影方法。
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JP2023047274A (ja) * | 2021-09-24 | 2023-04-05 | 國立臺灣大學 | 画像レンズ保護組立体および撮像機器セット |
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- 2021-08-20 US US18/024,887 patent/US20230314915A1/en active Pending
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AU2021337295A1 (en) | 2023-03-30 |
EP4212953A4 (en) | 2024-03-06 |
EP4212953A1 (en) | 2023-07-19 |
TWI831045B (zh) | 2024-02-01 |
US20230314915A1 (en) | 2023-10-05 |
TW202216063A (zh) | 2022-05-01 |
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