Abstract: A first wireless device (WD) is installed at a known position, and a second WD is attached to a target of a sterilization process. A reading apparatus attempts reading identification information from WDs, and measures a relative amount of movement from a reference position using a self-localization technique. An estimation unit of a system estimates a position of the target based on the relative amount of movement of the reading apparatus from a time point when the first identification information has been read from the first WD to a time point when the second identification information has been read from the second WD. A database stores position information representing an estimated position of the target and sterilization-related information. The estimated position of the target selected based on the sterilization-related information is notified to a user based on the position information.

Abstract: An automatic analyzer includes a probe, a cleaner, and a controller. The probe includes a detector for detecting a contact with a liquid. The probe sucks and discharges the liquid. The cleaner cleans an outer wall of the probe with a cleaning fluid. The controller causes the detector to perform a detection during cleaning by the cleaner, and judges a state of the cleaner based on a result of the detection.

Abstract: A medical image diagnostic apparatus of an embodiment includes processing circuitry. The processing circuitry acquires skill information regarding a skill of a user who sets the medical image diagnostic apparatus. The processing circuitry provides setting information for the medical image diagnostic apparatus according to the skill of the user based on the acquired skill information to the user.

Abstract: An imaging support apparatus according to one embodiment includes an input interface and processing circuitry. The input interface receives input of first information about a disease or a case of a subject. The processing circuitry specifies, on the basis of the first information received by the input interface and second information in which the first information and posture information that expresses a posture of the subject suitable to perform imaging of the disease or the case are associated with each other, the posture information corresponding to the first information. Moreover, the processing circuitry causes a display to display the specified posture information.

Abstract: A medical system including a medical device having an outer diameter, a display device, and a controller. The controller is configured to acquire data regarding a biological lumen such as an airway structure, acquire an image of the airway structure, generate an overlay representing the outer diameter of the medical device, and display, on the display device, the overlay representing the outer diameter of the medical device on the acquired image of the airway structure. The overlay is scaled relative to a diameter of the airway structure at a focal plane of the airway structure based on the acquired data.

Abstract: A radiation therapy apparatus of an embodiment allows radiation to be applied while rotating a gantry and controls irradiation and stop of the radiation during the rotation of the gantry based on respiration of a treatment subject, and includes processing circuitry. The processing circuitry detects the respiration of the treatment subject. The processing circuitry predicts an administration dose based on a respiratory phase range in which the radiation is applied in the respiration of the treatment subject, and changes at least one or both of a dose rate of the radiation to be applied to the treatment subject and a rotation speed of the gantry so that the administration dose reaches a target dose. The processing circuitry performs control according to the change with respect to at least one or both of the dose rate of the radiation and the rotation speed of the gantry.

Abstract: An injection molding system includes an injection molding apparatus that performs injection molding, a first conveyor apparatus on one side of the injection molding apparatus to eject and insert a first mold through a first opening of the injection molding apparatus, and a second conveyor apparatus located on a second side of the injection molding apparatus to eject and insert a second mold through a second opening of the injection molding apparatus, where the improvement of the injection molding apparatus includes a first door to cover the first opening, a second door to cover the second opening, and a controller that prohibits injection molding with the first mold in a case where the second door is opened.

Abstract: A method of producing a ceramic manufactured object including (i) a step of leveling a ceramic powder to form a powder layer, (ii) a step of irradiating the powder layer with a laser beam based on three-dimensional data to crystallize an irradiated site, and (iii) performing the steps (i) and (ii) in repetition, wherein in the step (ii), a surface of the powder layer is irradiated with the laser beam in an unfocused state.

Abstract: In a gamma-ray detector system, such as a PET detector, coincidence events between multiple detector elements can be caused by inter-detector scattering and/or energy escape of the multi-stage radiation background in the scintillator crystals. Because these types of coincidence events are more likely to happen between nearby elements, they can be measured, analyzed and ultimately used to identify arrangement errors of detector elements in a gamma-ray detector system.

Abstract: A belt feeding device includes an endless belt, stretching rollers including a tension roller, a bearing member supporting the tension roller, a beating support member supporting the bearing member, an urging member urging the tension roller, a supporting member supporting the bearing supporting member, and a locking member. The locking member is movable between a first position where an engagement between the locking member and one of the bearing support member and the bearing member is released and the bearing member is permitted to move so as to apply the tension to the belt, and a second position where the locking member locks the bearing member by engaging with the bearing support member and the bearing member and the bearing member is restricted to move. The bearing member, the bearing support member, the urging member, and the locking member constitute a unit to be integrally dismountable from the supporting in the second position.

Abstract: An image processing apparatus includes a generation unit generating a first chart image having a plurality of patches with different tone values, an obtaining unit obtaining measurement values acquired by measuring a test chart created by forming the first chart image on a medium, the measurement values indicating densities of a color material in regions of the test chart corresponding to the respective patches, and a selection unit selecting at least one tone value in a range in which an output characteristic of the image forming apparatus derived based on the tone values of the respective patches and the measurement values satisfies a predetermined condition. The generation unit generates a second chart image having a patch corresponding to the selected tone value included and at least one patch corresponding to the tone value outside the range in which the output characteristic satisfies the predetermined condition is omitted among the patches.

Abstract: An image forming apparatus includes: an image forming unit comprising: a photosensitive member configured to rotate; a charging unit configured to charge the photosensitive member based on a charging bias; an exposure unit configured to expose the photosensitive member charged by the charging unit with laser light to form an electrostatic latent image on the photosensitive member; and a developing device configured to develop the electrostatic latent image based on a development bias to form an image on the photosensitive member, a reading unit configured to read a test image formed by the image forming unit, and a controller configured to: control the image forming unit to form the test image; control the reading unit to read the test image.

Abstract: A medical image diagnosis apparatus according to one embodiment includes a gantry and a first light source. The gantry includes a first opening to which a subject is inserted. The first light source emits light capable of sterilization to the first opening.

Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to acquire first medical image data. The processing circuitry is configured to identify a region of interest in the first medical image data based on a learned model and the first medical image data. The learned model is trained based on second medical image data corresponding to the first medical image data and third medical image data different from the first medical image data in type and related to the same subject as a subject of the second medical image data. At least part of the third medical image data is higher in imaging sensitivity for a region of the subject corresponding to the region of interest than the second medical image data.

Abstract: A computing device for a printing device may include a first transducer for generating a first clock frequency and a second transducer for generating a second clock frequency. The computing device may determine the timing signal for clocking the printing operation of the printing device on the basis of the first clock frequency and/or on the basis of the second clock frequency, in particular to increase the uniformity of the timing signal and/or in order to enable a dynamic adaptation of the timing signal to a changing property of the printing device and/or of the recording medium to be printed to.

Abstract: An image forming apparatus includes an image forming portion, a fixing portion configured to heat the toner image formed on the sheet by the image forming portion and fix the toner image to the sheet, a folding portion configured to fold the sheet having passed through the fixing portion such that a surface of the sheet to which the powder adhesive is applied is inside, and a bonding portion configured to heat the sheet folded by the folding portion and bond the sheet by the powder adhesive. A relationship of Tmax1>Tmax2 is satisfied, where Tmax1 (° C.) is a highest temperature of the powder adhesive when being heated by the fixing portion and Tmax2 (° C.) is a highest temperature of the powder adhesive when being heated by the bonding portion.

Abstract: A photoelectric conversion device includes a photoelectric conversion unit, a light value holding unit that holds light values based on signal charges generated during a first exposure period and a second exposure period having at least one of start timing and end timing different from that of the first exposure period, a comparison unit that compares the light value based on the signal charge generated during the first exposure period with the light value based on the signal charge generated during the second exposure period, and a control unit that sets a third exposure period and a fourth exposure period having at least one of the start timing and end timing different from that of the third exposure period on the basis of a comparison result of the comparison unit. The third and fourth exposure periods are less than at least one of the first and second exposure periods.

Abstract: A fixing device includes an endless and rotatable belt of which an inner peripheral surface is applied with lubricant, a heater, a rotatable member to rotatably contact the belt and a nip forming member in contact with the inner peripheral surface of the belt. The nip forming member includes a holding portion, an upstream sliding portion and a downstream sliding portion. The downstream and upstream sliding portions have first and second sliding surfaces sliding with the inner peripheral surface of the belt, respectively. The second sliding surface has a curved shape, and when a force applied to the belt with respect to a length of the second sliding surface is defined as w (N/mm) and a curvature radius of the second sliding surface is defined as R (mm), R/w of the second sliding surface is equal to 5 (mm2/N) or larger and equal to 80 (mm2/N) or less.

Abstract: A method of manufacturing a three-dimensionally shaped object includes stacking layers on a stage for manufacturing the three-dimensionally shaped object by repeating forming a desired-shape layer while moving a nozzle that injects molten thermoplastic resin. The nozzle moves while locally heating a front area and a side area by using a heating portion. The front area is located in front of the nozzle in a moving direction of the nozzle in a plan view of the stage. The side area is located beside the nozzle in the moving direction in the plan view.

Abstract: The present invention seeks to flatten a sheet when transferred onto an endless belt conveyor facing a print head assembly in a simple and/or low costs manner. Thereto a sheet conveyor is provided comprising an endless, air permeable belt and pressing means. The pressing means comprise a plurality of pressing members spaced apart from one another in a lateral direction of the belt, each pressing member comprising a body which body is moveable in a perpendicular direction with respect to the belt as well rotatable or pivotable around an axis in the perpendicular direction independent of the corresponding bodies of other pressing members. This provides a simple and passive sheet flattening means, resulting in low operational and material costs.

Abstract: An image forming apparatus includes a plurality of image forming portions, a rotatable endless belt, a plurality of stretching rollers including an inner roller, an outer roller, a position changing mechanism, and a controller. During execution of a job for forming first toner images on a first recording material and second toner images on a second recording material subsequent to the first recording material, in a case that a changing operation for changing the position of the inner roller by the position changing mechanism after the first toner images are formed on the first recording material and before the second to toner images are transferred onto the second recording material is executed, a registration adjusting image is formed between the first toner images and the second toner images.

Abstract: There is provided with an information processing apparatus. An acquisition unit acquires a first processing result including information for identifying the position of the mobile object and a second processing result including information for identifying the position of the mobile object. The first processing result is obtained by executing a first processing method on an image obtained by measuring at least surroundings of the mobile object by using a light receiving sensor installed on the mobile object. The second processing result is obtained by executing a second processing method different from the first processing method on an observation result obtained by observing the mobile object by using a light receiving sensor installed at a location at which it is possible to observe the mobile object.

Abstract: A control apparatus includes a detection unit configured to detect switching between a plurality of radiation detection apparatuses, each of the plurality of radiation detection apparatuses being configured to capture a radiographic image through detection of radiation and including a plurality of receptor fields for performing automatic exposure control, an acquisition unit configured to acquire information regarding one of the plurality of radiation detection apparatuses to be used for image capturing in a case where switching to the one of the plurality of radiation detection apparatuses has been detected, and a selection unit configured to select one or more of the plurality of receptor fields of the one of the plurality of radiation detection apparatuses to be used for the image capturing based on the acquired information and information of a subject as an image capturing target and information of a part of the subject to be imaged.

Abstract: An electronic apparatus is capable of reducing the startup time period of a device requiring initialization while suppressing power consumption of a battery. The electronic apparatus includes a main controller, a sub controller, a battery, a power reception controller configured to extract electric power from radio waves, and a power supply controller configured to control supply of electric power from the battery or the power reception controller to the sub controller. The main controller controls supply of electric power to the power supply controller such that electric power is supplied from the battery in a power-on mode in which power consumption of the electronic apparatus is large, and switches the power supply source to the power reception controller when the electronic apparatus shifts to a power-off mode in which the power consumption is smaller than in the power-on mode.

Abstract: A photoelectric conversion device includes an avalanche multiplying photodiode, a signal generation unit that includes a control unit configured to control an applied voltage to the photodiode and generates a photon detection pulse based on an output generated by incidence of a photon to the photodiode, and a counter that counts the photon detection pulse output from the signal generation unit, and the counter outputs a setting value detection signal when a count value of the photon detection pulse reaches a predetermined setting value, and in response to receiving the setting value detection signal, the control unit controls the applied voltage to the photodiode so as to stop generation of an avalanche current in the photodiode.

Abstract: A method of controlling an information processing apparatus includes transmitting a first job to a job processing apparatus, executing first control for holding the first job in a job queue that the information processing apparatus has in a state where processing based on the first job is executed in the job processing apparatus, and executing second control for terminating holding of the first job by the job queue based on a fact that a second job is registered in the job queue in a state where the first job is held in the job queue even in a case where the processing based on the first job is executed in the job processing apparatus. The first control includes control not to transmit an EndJob command even though transmission of the first job is completed.

Abstract: An image forming apparatus includes an image forming portion, a transfer unit, a power supply, and a reader. A test chart is formed by transferring test images to a recording material while applying test voltages from the power supply to the transfer unit. A transfer voltage to be applied to the transfer unit during transfer is set based on the read test images. A reference image is formed on the test chart. The reader reads the test chart by scanning the test chart from a first position to a second position that falls within the test images. The first position falls within a boundary of the recording material on which the test chart is formed and falls outside the test images. Based on the reference image, the result of the reader reading the test chart is obtained by scanning the test chart from the first position to the second position.

Abstract: A device management server that cooperate with a print server accepts designation indicating that cooperation with the print server is to be performed when a printer to be purchased is used, manages authorization information acquired based on an operation performed using account information managed by the print server in association with account information on the management server side, and makes a request for registration of device information about the printer to be purchased with the print server, using the authorization information.

Abstract: An optical system includes a diaphragm, and a first cemented lens disposed adjacent to an object side of the diaphragm. The first cemented lens included a negative lens. A predetermined condition is satisfied.

Abstract: A printing apparatus prints by discharging ink to a transfer member from a first printhead, discharging a transfer accelerator to the ink from a second printhead, and transferring an image formed on the transfer member to a print medium. When inspecting a discharge state of each of plural nozzles provided in each of the first and second printheads, the apparatus controls the second printhead so as to discharge the transfer accelerator from at least one nozzle of the second printhead to a discharge area of the transfer member to which the ink is discharged by the first printhead for inspection of the discharge states of the plural nozzles of the first printhead, while inspecting a discharge state of a nozzle different from the at least one nozzle of the second printhead by discharging the transfer accelerator from the nozzle.

Abstract: A forming apparatus forming a composition on a substrate by using a mold, includes a supplier configured to supply a composition on the substrate, a plurality of processors including a first processor and a second processor, each of the plurality of processors being configured to bring the mold into contact with the composition supplied onto the substrate by the supplier, and a substrate conveyer configured to convey the substrate onto which the composition is supplied by the supplier to the first processor and then convey other substrate onto which the composition is supplied following the substrate to the second processor.

Abstract: At least one of the first notification and the second notification is provided via a display device, based on a fact that, by the editing of an object, an object with a transmission property is overlapped on the front surface of an object to be printed by use of a spot color ink, the first notification being provided for warning that the object with the transmission property is in a state of being overlapped on the front surface of the object to be printed by use of the spot color ink, the second notification being provided for asking whether or not a predetermined overlapping state in which the object with the transmission property is overlapped on the front surface of the object to be printed by use of the spot color ink is to be maintained.

Abstract: A control portion controls a change mechanism so as to pass through a third stretched form in switching a stretched form of a belt member from a second stretched form to a first stretched form. The first stretched form is a stretched form enabling a toner image to be transferred from a photosensitive drum to the belt member by positioning a transfer member at a first position and a separation roller at a second position. The second stretched form is a stretched form of separating each of the transfer member and the separation roller from a transfer surface toward an opposite side of the photosensitive drum. The third stretched form is a stretched form in which the transfer member is positioned at the first position, and the separation roller is positioned at a third position away from the transfer surface toward the opposite side of the photosensitive drum.

Abstract: An information processing apparatus that permits login of a user by transmitting authentication information on the user to a server that provides an authentication service and based on response results from the server performs output control by selecting a user interface based on a predetermined condition, which is one of a first user interface prepared in advance and a second user interface obtained by rendering by a browsing function, both for causing the user to input the authentication information. Here, the information processing apparatus transmits first authentication information input by using the first user interface to the server and receives first response results for the transmission from the server. Further, the information processing apparatus transmits second authentication information input by using the second user interface to the server and receives second response results for the transmission from the server.

Abstract: An apparatus includes a setting unit and a control unit. The setting unit performs a first print setting indicating a poster printing function that divides a single piece of image data into a plurality of pieces of image data and generates print jobs, and a second print setting indicating a correction function for correcting calculated gray values when an image processing apparatus converts a plurality of pieces of color image data to grayscale, based on a number of colors acquired from each of the plurality of pieces of color image data. The control unit restricts the setting unit from performing the first print setting and the second print setting. In a state where one of the first print setting and the second print setting is performed by the setting unit, the control unit controls the setting unit not to perform the other print setting.

Abstract: A display control apparatus includes a memory and at least one processor which function as a setting unit configured to make a superimposed recording setting for recording a first display element superimposed on a moving image captured by an image capturing unit, and a control unit configured to perform control to display the first display element superimposed on the moving image captured by the image capturing unit in the superimposed recording setting made by the setting unit, and to display the moving image captured by the image capturing unit without superimposing the first display element on the moving image after completion of the superimposed recording setting made by the setting unit.

Abstract: A cartridge including: a first unit including an image bearing member and a first portion, and configured to take a removal posture when the cartridge is to be removed from a main body; a second unit including a developer bearing member and a second portion, the second unit being movable between a first position where the developer bearing member is in contact with the image bearing member and a second position where the developer bearing member is separated from the image bearing member and where the second portion is in contact with the first portion, wherein when the first unit takes the removal posture, the second unit is located at the second position, and when the second unit is located at the second position, movement of the second unit in a direction, in which the developer bearing member is separated from the image bearing member, is restricted.

Abstract: A motor including a first part having an outer peripheral portion and a second part having an inner peripheral portion facing the outer peripheral portion, the first part and the second part being configured to rotate relative to each other, includes a plurality of coils on one of the outer peripheral portion and the inner peripheral portion, and a plurality of magnets on the other of the outer peripheral portion and the inner peripheral portion at positions facing the plurality of coils, wherein the plurality of magnets includes a first magnet portion configured to apply a thrust to at least one of the plurality of coils in a rotation direction and a second magnet portion configured to apply a thrust to at least one of the plurality of coils in a direction intersecting the rotation direction, when an electric current is applied to the plurality of coils.

Abstract: The information processing apparatus of the present invention is an information processing apparatus that outputs viewpoint information for generation of a virtual viewpoint image based on image data obtained by performing image capturing from directions different from one another by a plurality of image capturing apparatuses and comprises: an acquisition unit configured to acquire viewpoint information having a plurality of virtual viewpoint parameter sets respectively indicating positions and orientations of a virtual viewpoint at a plurality of points in time; a change unit configured to change a virtual viewpoint parameter set included in the viewpoint information based on a user operation during playback of a virtual viewpoint image in accordance with viewpoint information acquired by the acquisition unit; and an output unit configured to output viewpoint information having a virtual viewpoint parameter set changed by the change unit.

Abstract: A flexible wiring board includes a signal line and a conductive portion that overlaps the signal line in plan view. The conductive portion includes a first line portion extending in a first direction and having a first part and a second part, a second line portion extending in a second direction and having a third part and a fourth part, and a third line portion. The third line portion has a line width smaller than a line width of the first part and a line width of the second part, is connected to the first and second parts, and is provided between the first part and the second part. The conductive portion includes a fourth line portion that is connected to the third part and the fourth part and that is provided between the third part and the fourth part. The third line portion and the fourth line portion intersect.

Abstract: In a cartridge assembly, a cartridge frame is configured to limit a movable amount of a photosensitive drum with respect to the frame in a longitudinal direction of the photosensitive drum to a first amount in the case where a cover member is apart from the frame, and the cover member has a held portion held by the frame and a limiting portion configured to limit the movable amount of the photosensitive drum with respect to the frame to a second amount smaller than the first amount by contacting with a longitudinal end surface of the photosensitive drum in the case where the photosensitive drum moves in the longitudinal direction when the cover member is mounted on the frame.

Abstract: An imaging assembly includes an image acquisition circuit provided in a rear portion of a moving body. The image acquisition circuit includes an optical circuit and an image capturing circuit. The optical circuit forms an image in a first region and an image in a second region on the peripheral side having a lower image capturing magnification than the first region. A light receiving surface of the image capturing circuit includes a region in which light is incident along the optical axis of the optical circuit through the first region, and a region in which light is incident through the second region. The image acquisition circuit is disposed so that the optical axis of the optical circuit passes through an opening provided in the moving body, and light from the rear end of the moving body is incident on the image capturing surface.

Abstract: There is provided an electrophotographic photosensitive member having drum shape, the electrophotographic photosensitive member including a support and a photosensitive layer, wherein an outer surface of the electrophotographic photosensitive member has wrinkles, and when an observation region having square form with one side of 100 ?m is placed at an arbitrary position on the outer surface, a line that passes through a central point of the observation region and is parallel to a circumferential direction of the electrophotographic photosensitive member is defined as a first reference line L1, and 3,599 reference lines obtained by rotating the first reference line L1 at every 0.1° around the central point are defined as L2 to L3,600, respectively, each of L1 to L3,600 intersects with convex portions of the wrinkles at a plurality of locations and has at least two different intersection angles selected from the plurality of locations.

Abstract: The invention relates to encapsulating tiled timed media data in a server and providing a timed media data bit-stream from encapsulated tiled timed media in a client device. The tiled timed media data comprises timed samples and each timed sample comprises a plurality of spatial subsamples. After having selected at least one spatial subsample from amongst the plurality of spatial subsamples of one of the timed samples, one tile track comprising the selected spatial subsample and one corresponding spatial subsample of each of the other timed samples is created for each selected spatial subsample. One composite track comprising at least one extractor identifying at least one of the created tile tracks is created. Each created track is independently encapsulated in at least one media segment file.

Abstract: A communication device communicates a radio frame including a preamble and a data field of a physical layer (PHY). The preamble includes an L-STF (Legacy Short Training Field), an L-LTF (Legacy Long Training Field), an L-SIG (Legacy Signal Field), an EHT-SIG-A (Extremely High Throughput Signal A Field), an EHT-STF, and an EHT-LTF, and the EHT-SIG-A includes a field indicating a standard that the radio frame complies with.

Abstract: A focus control device that is capable of preventing an object intended by a user from being excluded from a focusing target. The focus control device performs focus adjustment by using one of autofocus and manual focus. When focus control is switched from the autofocus to the manual focus, and then switched to the autofocus, whether to perform focus adjustment with settings of the autofocus set before being switched to the manual focus, or with settings of the autofocus to be set after being switched from the manual focus, is controlled according to whether or not there is an object focused by the manual focus.

Abstract: A printing apparatus establishes a connection with an external apparatus in accordance with a predetermined communication protocol, receives, and temporarily stores in a spool area, print data transmitted from the external apparatus via the connection, and includes a printing unit to perform printing based on print data stored in the spool area. Whether or not to disconnect the connection with the external apparatus, in accordance with a setting preliminarily made by a user operation, is controlled in a case where reception of print data from the external apparatus is stopped halfway through and a predetermined time has elapsed in a state where the reception remains stopped, wherein the connection with the external apparatus is maintained in a case where the predetermined time has elapsed in a state where reception of print data from the external apparatus remains stopped and it has been set not to disconnect the connection with the external apparatus.

Abstract: An image-forming unit forms a referential image on a first sheet. A reading unit reads the referential image on the first sheet to generate referential read image data. A calibration unit calibrates input image data using calibration parameters derived based on the referential read image data. The image-forming unit forms a target image on a second sheet based on the calibrated data. The reading unit reads the target image on the second sheet to generate read image data for inspection. An inspection unit inspects quality of the target image based on comparison between the input image data and the read image data for inspection. The calibration parameters are derived based on the referential read image data to which flare correction has been applied. The inspection unit compares the input image data with the corrected read image data.

Abstract: An electronic apparatus attachable to an accessory includes a power supply unit, and a control unit for controlling the power supply unit. The electronic apparatus can transition from a normal operating state to a power-saving state that includes a first power-saving state in which a power supply switch of the electronic apparatus is turned off, and a second power-saving state in which a non-operating state continues for a predetermined time. The control unit receives first information indicating whether or not the power supply from the electronic apparatus to the accessory is requested in the first power-saving state, and second information indicating whether or not the power supply from the electronic apparatus to the accessory is requested in the second power-saving state. The control unit causes the power supply unit to supply the power in the power-saving state where the power supply is requested.

Abstract: An image pickup apparatus includes an image sensor including a pair of focus detection pixels configured to receive light beams that have passed through different areas in an exit pupil of an imaging optical system, and at least one processor caused to function as a focus detection unit configured to detect focus of the imaging optical system by using a pair of focus detection signals which is generated by using output signals from the pair of focus detection pixels. The focus detection unit can detect the focus in a plurality of spatial frequency bands. The focus detection unit acquires a focus detection result to be used in a spatial frequency band corresponding to an aberration amount of the imaging optical system, the spatial frequency band being included in the plurality of spatial frequency bands.