Abstract: A medical image processing device according to an embodiment includes processing circuitry. The processing circuitry detects a contrast medium from a medical image. The processing circuitry sets a first region of interest and a second region of interest in the medical image. The processing circuitry calculates a density ratio between a density of the contrast medium included in the first region of interest and a density of the contrast medium included in the second region of interest.

Abstract: To provide a vibration measuring device of an X-ray computed tomography apparatus allowing for improved quality. A vibration measuring device (30) of an X-ray computed tomography apparatus, which includes a casing, a platform (13) configured to rotate in the casing, and an X-ray tube (15) arranged on the platform (13), is provided. A detector (33) configured to detect vibration in a state of the platform (13) rotating is arranged on at least one of the platform (13) and the X-ray tube (15).

Abstract: A bed control device of an embodiment includes processing circuitry. The processing circuitry calculates a position of a part of a subject to be imaged based on information regarding the part of the subject placed on a top plate provided in a bed device, which is to be imaged by a medical image diagnostic apparatus, and an image including the top plate and the subject placed on the top plate and captured by an imaging device, estimates a position of the top plate in a vertical direction, calculates an amount of movement of the top plate in a direction intersecting the vertical direction based on the calculated position of the part of the subject to be imaged and the estimated position in the vertical direction, and controls the movement of the top plate in the direction intersecting the vertical direction based on the amount of movement.

Abstract: In one embodiment, an MRI apparatus includes a receiving coil and processing circuitry configured to: set a pulse sequence group to be applied to a tissue or organ into which blood flows from a plurality of inflow blood vessels, the pulse sequence group being provided with RF pulses for labeling blood in the plurality of inflow blood vessels; generate perfusion data regarding perfusion of the blood flowing into the tissue or organ of the blood from each of the plurality of inflow blood vessels based on MR signals that are emitted from an object by application of the pulse sequence group and received with the receiving coil; and calculate metrics related to the perfusion in the tissue or organ for each of the plurality of inflow blood vessels based on the perfusion data.

Abstract: An apparatus according to the embodiment includes a first delay circuit, a second delay circuit, and processing circuitry. The first delay circuit delays an ultrasound signal in a first channel using a plurality of capacitors. The second delay circuit delays an ultrasound signal in a second channel using a plurality of capacitors. The processing circuitry make a first write start position in which writing the ultrasound signal in the capacitor in the first delay circuit is started and a second write start position in which writing the ultrasound signal in the capacitor in the second delay circuit is started different from each other.

Abstract: An ultrasonic diagnostic apparatus according to an embodiment includes an identification unit, a calculation unit, and a setting unit. The identification unit identifies a target site included in ultrasonic image data of a subject. The calculation unit calculates respective index values for a plurality of positions that are specified with the target site serving as a reference, the index values representing reliability of a tissue characterization parameter represented by the ultrasonic image data. The setting unit sets, based on the calculated results, a region of interest for observing the tissue characterization parameter onto an image represented by the ultrasonic image data.

Abstract: According to one embodiment, an automatic analyzing apparatus includes a first disposing unit and a second disposing unit. In the first disposing unit, a plurality of first reaction containers are arranged. In the first disposing unit, a sample and a first reagent are dispensed in the first reaction containers. In the second disposing unit, a plurality of second reaction containers are arranged along a circumferential direction. In the second disposing unit, a second reagent is dispensed in the second reaction containers that contain a first mixed liquid including the sample and the first reagent.

Abstract: In one embodiment, an MRI apparatus includes processing circuitry configured to: set a pulse sequence group that acquires first data and second data, the first date being for generating first perfusion data from behavior of a blood flow of a coronary artery of an object included in a first imaging region, the second data being for generating second perfusion data from behavior of a blood flow of the coronary artery included in a second imaging region located downstream of the first imaging region; compare the first perfusion data with the second perfusion data, both of which are obtained by applying the pulse sequence group to the object; and evaluate whether stenosis or occlusion has occurred between a first portion of the coronary artery included in the first imaging region and a second portion of the coronary artery included in the second imaging region.

Abstract: A reconstruction device according to an embodiment includes a processing circuit. The processing circuit acquires a plurality of pieces of second sinogram data based on a plurality of pieces of first sinogram data, acquires third sinogram data by comparing the pieces of first sinogram data with the pieces of second sinogram data and by selecting pieces of first sinogram data having close similarity, and reconstructs an image on the basis of the third sinogram data.

Abstract: A sterilization device or the like is equipped with a plasma generator and an ultraviolet light source, wherein the plasma generator is a plasma actuator provided with a first electrode and a second electrode with a dielectric in-between, and in which an induced flow including ozone is generated by application of a voltage between the two electrodes, the ultraviolet light source is arranged so as to be able to irradiate the surface of an object to be sterilized, and the plasma actuator is arranged so that the induced flow is supplied to said surface.

Abstract: An actuator includes a piezoelectric element including a first electrode, a piezoelectric layer, and a second electrode on a substrate in this order, a wiring line electrically connected to at least one of the first electrode and the second electrode, and an insulation layer arranged to contact and cover the wiring line, wherein a thickness of the wiring line is less than a thickness of the insulation layer in a direction perpendicular to the substrate, and the thickness of the insulation layer is 500 nm or less.

Abstract: A storage bag including a bag body and a discharge port for discharging liquid stored in the bag body. The bag body includes a first surface portion, a second surface portion opposite to the first surface portion, a third surface portion to serve as a gusset portion to connect the first and second surface portions, and a fourth surface portion opposite to the third surface portion to serve as a gusset portion to connect the first and second surface portions, the first surface portion and the third surface portion are coupled by a first coupling portion to extend in a first direction, the first surface portion and the fourth surface portion are coupled by a second coupling portion to extend in the first direction, the first coupling portion includes a first convex portion to protrude toward the inside of the first surface portion along a second direction intersecting the first.

Abstract: A liquid discharge apparatus includes an estimation unit that estimates, as an estimated usage amount, an amount of a liquid discharged by a recording head during a certain period. The estimation unit calculates a first correction value for correcting the estimated usage amount based on a first difference that is a difference between a first amount and a second amount, the estimated usage amount, and a second difference between the first difference and the estimated usage amount. Thereafter, the estimated usage amount is corrected based on the correction value. In a case where the second difference is greater than a threshold value, the estimation unit does not calculate the first correction value.

Abstract: In a sheet feeding apparatus, a recording material is stacked in a stacking unit, a sheet surface detection member takes on one of a first state, in which the sheet surface detection member displaces according to a height of a top surface of the material, and a second state. A detector detects the sheet surface detection member. A feeding unit is mounted in and removed from a main body. The feeding unit includes a feed roller and a switching unit that switches the sheet surface detection member to one of the first state and the second state. The switching unit switches the sheet surface detection member to the second state in response to the feeding unit being replaced, and a controller detects that the feeding unit has been replaced based on a state change detected by the detector.

Abstract: To provide a lens barrel suitable for miniaturization, in a lens barrel having a first lens barrel that holds a first lens and an optical unit, the first lens barrel and the optical unit are disposed adjacent to each other, an annular portion of the first lens barrel has first protruding portions in two or more phases, the first protruding portion regulates a position of the first lens in an optical axis direction, a second protruding portion of the optical unit is disposed in a phase other than the phase having the first protruding portion, and a part of the first protruding portion and a part of the second protruding portion are disposed in the same plane perpendicular to the optical axis.

Abstract: A medical support system includes a processing circuit configured to: acquire medical data on a specific patient over time; cause a display to display a display screen on which one or more measurement values in the medical data are displayed; detect an alert value that satisfies a determination condition from the one or more measurement values included in the medical data every time the medical data is acquired; and highlight a warning area in which the alert value is displayed on the display screen, and change a dept of a background color of the warning area in accordance with an importance degree relating to the alert value.

Abstract: An image processing apparatus includes a first tracking unit configured to perform subject tracking using an image obtained by an image capturing unit, a second tracking unit configured to perform subject tracking using the image obtained by the image capturing unit, an operational load in the second tracking unit being smaller than an operational load in the first tracking unit, and a control unit configured to control switching between enabling both the first tracking unit and the second tracking unit and disabling one of the first tracking unit and the second tracking unit based on brightness of the image obtained by the image capturing unit.

Abstract: A photoelectric conversion device is provided. The device includes pixels each including first and second converters and a row selector. A holding unit and an AD converter are arranged for each column. The holding unit includes a holding circuit to receive signals from pixels via output lines and a selector. The row selector causes at least two pixels that are connected to different output lines and arranged on different rows to output first signals based on a signal of the first converter, and then output second signals based on signals of the first and second converter. The selector selects the first and second signals that are held by the holding circuit and outputs them to the AD converter, and a number of first signals output to the AD converter is smaller than a number of first signals supplied to the holding circuit.

Abstract: An inspection apparatus displays a first plurality of inspection levels in a case where a first image forming apparatus is connected to the inspection apparatus. The inspection apparatus displays a second plurality of inspection levels in a case where a second image forming apparatus is connected to the inspection apparatus. An upper limit for the second plurality of inspection levels is higher than an upper limit for the first plurality of inspection levels. The inspection apparatus obtains information indicating a selection result of selecting the inspection level. The inspection apparatus determines an inspection standard based on the information. A display displays an inspection level that corresponds to the inspection standard used to determine an inspection result for an inspection item such that the inspection level is selectable from among a plurality of inspection levels.

Abstract: An information processing apparatus capable of smoothly allocating a function intended by a user to an operation terminal is provided. The information processing apparatus is communicably connected to an operation terminal including an input unit that performs an input operation for an image of a virtual space and performs a specified function in response to the input operation. The information processing apparatus includes at least one processor and a memory coupled to the processor storing instructions that, when executed by the processor, cause the processor to function as a position obtaining unit that obtains position information relating to a position of the operation terminal, and a changing unit that is capable of changing the function of the input unit to be performed by the input operation in accordance with the position information obtained by the position obtaining unit.

Abstract: A lighting apparatus includes a light source, a capacitor that stores energy, which causes the light source to emit light, at least one processor, and a memory coupled to the processor storing instructions that, when executed by the processor, cause the processor to function as a charging unit that charges the capacitor with a battery, a detecting unit that detects a voltage of the capacitor, and a control unit that controls a light emission operation of the light source based on a change amount of the voltage of the capacitor.

Abstract: An active oxygen supply device that is a plasma actuator equipped with a plasma generator and an ultraviolet light source in a housing having at least one opening, the plasma generator being provided with a first electrode and a second electrode with a dielectric in-between and creating an induced flow that contains ozone by applying a voltage between the two electrodes, in which the plasma actuator is positioned so that the induced flow flows outside the housing from an opening, and the ultraviolet light source irradiates the induced flow with ultraviolet rays and generates active oxygen in the induced flow; a device for conducting treatment by active oxygen; and a method for conducting treatment by active oxygen.

Abstract: Provided is an ultrasound phantom including a hydrogel, wherein the hydrogel contains water, a first polysaccharide containing a glucose residue in a main chain thereof, and a mannose residue and a glucuronic acid residue in a side chain thereof, and a second polysaccharide containing a mannose residue in a main chain thereof and a galactose residue in a side chain thereof, and wherein the hydrogel has a Young's modulus of 0.1 kPa or more and 5.0 kPa or less.

Abstract: A sheet stacking apparatus includes a conveyance path through which a sheet is to be conveyed, a guide which forms a part of the conveyance path and is openable and closeable with respect to the conveyance path, a lock member configured to lock the guide to maintain the guide in a closed state in which the guide is closed with respect to the conveyance path, and a trolley. In a case in which the trolley is placed at a predetermined position in the sheet stacking apparatus, a locked state in which the lock member locks the guide is prohibited from being unlocked so that the guide is maintained in the closed state. In a case in which the trolley is not placed at the predetermined position, the locked state is allowed to become an unlocked state in which the lock member does not lock the guide.

Abstract: A recording element substrate includes a nozzle, an energy generating portion, a latch input terminal which inputs a latch signal, a data input terminal which inputs a data signal for controlling a drive state of the energy generating portion, a heat-pulse generation circuit which generates a heat-pulse signal determining a drive timing of the energy generating portion, a latch circuit to which the data signal is transferred from the data input terminal and which inputs the data signal at a timing when the latch signal is input, a drive element which is a drive element to which the heat-pulse signal and the data signal are transferred and which outputs a drive signal determining a drive state of the energy generating portion by a logical product of the heat-pulse signal and the data signal, and a delay circuit which delays the latch signal and inputs it to the latch circuit.

Abstract: The plurality of contact pins include a VBAT terminal to which a driving power source for driving the motor is supplied and a PGND terminal corresponding to a ground level of the driving power source, and the VBAT terminal and the PGND terminal are disposed closer to the fastening member than, any other contact pins of the plurality of contact pins than the VBAT terminal and the PGND terminal.

Abstract: The developing device includes a first rotatable member, a first magnet, a second rotatable member, and a second magnet. When a position where, on the second rotatable member surface, a magnetic flux density of the receiving pole is maximum, is a point T, of a position where the magnetic flux density of the receiving pole is a half value of the maximum on an upstream side is a point Hu, the position on a downstream side is a point Hd, an angle formed by a rectilinear line L20 connecting a rotation center R2 of the second rotatable member and the point T and a rectilinear line L21 connecting the rotation center R2 and the point Hu is w?21, and an angle formed by L20 and a rectilinear line L22 connecting R2 and Hd is w?22, the following relationship is satisfied: w?22-w?21 ?0.

Abstract: A control device according to the present disclosure includes one or more processors and/or circuitry configured to: execute setting processing of setting any of a plurality of modes including a first mode and a second mode, and execute control processing of performing control, in the first mode, to display an image captured by a first image sensor with a first image quality on a first display and to display an image captured by a second image sensor with the first image quality on a second display, and performing control, in the second mode, to stop one image sensor of the first image sensor and the second image sensor and to display an image captured by an other image sensor with a second image quality higher than the first image quality on the first display or the second display.

Abstract: A light emitting apparatus includes a pixel array portion including a plurality of pixels, and a plurality of signal lines extending in a column direction. Each of the signal lines is divided into a plurality of sub-signal lines, the apparatus is configured such that, to the pixels of the same column, a signal generated using an output signal from the same reference voltage generation circuit is supplied via a corresponding sub-signal line, the apparatus includes first and second substrates, which are stacked on each other, the first substrate includes the pixel array portion, and the second substrate includes a signal output circuit configured to output the signal, and a signal line switching circuit configured to switch a connection destination of an output of the signal output circuit between the sub-signal lines.

Abstract: An image forming apparatus capable of performing image formation and position adjustment prior to the image formation includes a printing unit capable of printing an adjustment chart used for the position adjustment, a storage unit to store lengths of the adjustment chart in a main scanning direction and in a sub-scanning direction, a reading unit to read the adjustment chart printed by the printing unit and acquire a read image of the adjustment chart, and a cutting unit to cut out an adjustment image from the read image. The reading unit reads the adjustment chart in a maximum range readable by the reading unit to acquire the read image. The cutting unit determines a cutout range of the adjustment image with respect to the read image based on the lengths of the adjustment chart and cuts out the adjustment image in the cutout range.

Abstract: A management apparatus that executes a task to distribute settings to network devices has a template management unit 341 configured to manage a template for task creation corresponding to a device model of a network device, a function control unit 33 configured to create a task to distribute the settings to the network device using the template, and a function display unit configured to display a warning screen based on a comparison result of a device model corresponding the template used in the task and a device model of the network device to which the settings are to be distributed, during the creation of the task.

Abstract: A reading device includes a platen having a first face, reading means for reading the document via the platen accommodated in a frame portion, a holder that holds image sensor such that the frame portion is in contact with a second face of the platen, and a guide member that extends in a scanning direction of the image sensor, and to which the holder is movably attached. The holder has, on an upstream side in the scanning direction with respect to the image sensor, a contact portion that contacts the frame portion. The contact portion contacts the frame portion so as to be capable of displacing a position of contact with the frame portion in a direction intersecting the second face. The image sensor reads the document while moving under force that the frame portion receives from the contact portion.

Abstract: An optical member includes a through hole penetrating from a first opening to a second opening. A light flux of observation light incident through the first opening can exit through the second opening. The through hole includes an inclined wall surface inclined with respect to an optical axis of the light flux such that a portion having an inner diameter smaller than an inner diameter of the first opening is disposed between the first opening and the second opening. The light flux of the observation light incident through the first opening is condensable in the through hole. The inclined wall surface is configured to reflect stray light incident on the first opening from a direction different from the optical axis of the light flux of the observation light toward the second opening at least once.

Abstract: An apparatus can include a pick-up head including a non-contact die chuck for holding a die; a substrate chuck having a non-planar chucking surface configured to hold a source substrate; and a substrate retention module that is configured to provide a force in a direction from the source substrate toward the substrate chuck, wherein the force is sufficient to deform the source substrate. A method of using the apparatus can include placing a source substrate along a non-planar chucking surface of a source chuck, wherein a die is associated with the source substrate; and picking up the die from the source substrate using a pick-up head having a non-contact die chuck, wherein before picking up the die, the source substrate contacts spaced-apart portions of the die, and the source substrate does not contact another portion of die between the spaced-apart portions of the source substrate.

Abstract: Provided is a position alignment device including: a positional relationship detector configured to detect a positional relationship between a target mark position registered by a pickup-side registration part and a target mark position registered by a bonding-side registration part; a pickup-side offset amount detector configured to detect an offset amount of offset between a target mark position in an image taken by a pickup-side imaging part and the target mark position registered by the pickup-side registration part; and a position adjuster configured to adjust a bonding position, based on the offset amount detected by the pickup-side offset amount detector, an offset amount detected by a bonding-side offset amount detector, and the positional relationship detected by the positional relationship detector.

Abstract: An information processing system comprising a first device and a second device that are communicably connected, wherein the first device includes: a detection unit configured to detect an abnormality, and a notification unit configured to notify the second device of an abnormality in a case where the detection unit detects the abnormality; and the second device includes: a reception unit configured to receive the notification of the abnormality by the notification unit, an acquisition unit configured to acquire information related to the abnormality from the first device and/or an other device of the information processing system in response to the reception unit receiving the notification of the abnormality, and a verification unit configured to verify validity of the notification of the abnormality based on the information acquired by the acquisition unit.

Abstract: An image capturing apparatus includes a first interchangeable lens and a second interchangeable lens different from the first interchangeable lens. The second interchangeable lens includes a first optical unit and a second optical unit guiding a light flux from a subject to an image capturing unit through respective optical paths. The image capturing apparatus includes a photometry unit and a control unit configured to perform control to display an enlargement frame on a display unit. In a state where the second interchangeable lens is mounted on the image capturing apparatus, the control unit performs control to superimpose the enlargement frame on a live view display from a start of the live view display, and the photometry unit is capable of increasing a degree of photometric weighting in the range corresponding to the enlargement frame relative to a degree of photometric weighting in another range and performing photometry of the subject.

Abstract: The photoelectric conversion device comprises a first pixel, a first analog-to-digital converter, a reference signal generation circuit configured to generate a first reference signal, and a second reference signal. The first analog-to-digital converter includes a first comparator circuit configured to receive two signals including the signal from the first pixel and the first reference signal, and a second comparator circuit configured to receive two signals including the signal from the first pixel and the second reference signal. Prior to the analog-to-digital conversion, the control circuit applies a first offset voltage between the signals input to the first comparator circuit, applies a second offset voltage between the signals input to the second comparator circuit.

Abstract: An image processing apparatus is provided that includes: an obtaining unit configured to obtain a plurality of images relating to different radiation energies; and a generating unit configured to generate at least one of energy-subtraction images based on the plurality of images using a learned model, wherein the learned model is obtained using a first image obtained using a radiation and a second image obtained by improving image-quality of the first image or by adding a noise which has been artificially calculated to the first image.

Abstract: A radiographing control apparatus includes a first acquisition unit for acquiring an optical image regarding a subject, an estimation unit for estimating information regarding a part of the subject from the optical image, a second acquisition unit for acquiring part-to-be-imaged information in an imaging protocol regarding the subject, and a determination unit for determining whether there is consistency between the information regarding the part estimated by the estimation unit and the part-to-be-imaged information acquired by the second acquisition unit based on similarity.

Abstract: In an ink jet printing method for discharging ink from a liquid discharge head, the ink contains titanium oxide having a precipitation velocity of 1.0×10?11 m/s or more based on a Stokes equation in the ink, the liquid discharge head comprises a discharge port, a pressure chamber, an energy-generating element for discharging the ink, an upstream flow channel for supplying a liquid to the pressure chamber, a downstream flow channel communicating with the pressure chamber, and a pump communicating with the upstream and downstream flow channels and forming a circulation path in which the ink circulates in an order of the upstream flow channel, pressure chamber, downstream flow channel, and upstream flow channel, and a ratio of the flow rate Q of the ink in the circulation path to the maximum cross-sectional area S of the circulation path, Q/S [m/s], is higher than the precipitation velocity.

Abstract: A method to clean a discharge port surface of a recording apparatus includes applying a cleaning liquid to the discharge port surface by a cleaning liquid application unit. The discharge port surface includes a discharge port line, a hydrophilic part, and a water-repellent part located between the hydrophilic part and the discharge port line. A plurality of discharge ports to discharge a liquid is aligned in a first direction. The hydrophilic part is provided separated from the discharge port line and protrudes from the discharge port surface in a discharge direction of the liquid from the plurality of discharge ports. After the cleaning liquid is applied to the discharge port surface, a cleaning liquid removal unit removes the applied cleaning liquid in a state where the cleaning liquid has been moved onto the hydrophilic part.

Abstract: A printing apparatus including a printing unit for printing on a medium, a liquid storage tank storing the printing agent and supplied with the printing agent through a pipe provided to the storage tank so as to extend in a first direction and a holder including a hole portion in which to insert the pipe and a cap that closes and opens the pipe inserted in the hole portion, and positioned in the first direction relative to the storage tank and. The storage tank has a first rib with which a container for supplying the storage tank with the printing agent to be housed therein through the pipe is brought into abutment around the pipe when the container is inserted into the hole portion, a second rib formed to surround a predetermined region connected to a region surrounded by the first rib, and an absorber for absorbing the printing agent.

Abstract: The present invention relates to a method for applying an image onto a receiving medium, wherein the image is applied onto the recording medium by depositing a UV-curable ink and the ink is irradiated with radiation. The present invention further relates to a scanning printer and a software product.

Abstract: An imprint apparatus that forms a pattern on a substrate using a mold and an imprint material comprises a plurality of measurement units configured to measure a misalignment amount between the mold and the substrate by detecting a plurality of internal measurement marks disposed on the mold and the substrate, an alignment unit configured to perform alignment of the mold and the substrate based on the misalignment amount measured by the plurality of measurement units, and a correction unit configured to respectively acquire a measurement error of each of the plurality of measurement units based on a deviation amount between external measurement marks provided on the mold and the substrate, and correct the alignment by the alignment unit based on the measurement error of each of the plurality of measurement units.

Abstract: Multiple components are bonded to each other by assembling a first component, a second component, and an elastic component so that a first space and a second space separate from the first space are formed adjacent to the first component and the second component and the elastic component is accommodated in the first space in a compressed state, and filling the second space with a first molten resin to bond the first component and the second component.

Abstract: A sheet stacking apparatus includes a stacking portion, a conveyance member, an abutment portion, a belt member having elasticity and configured to move the sheet toward the abutment portion, a driving source, and a controller configured to control the driving source such that (i) the belt member rotates at a first speed after the belt member contacts the current sheet and before the leading edge of the current sheet abuts against the abutment portion, and (ii) a rotational speed of the belt member is set at a second speed slower than the first speed in at least a part of a period of time after the leading edge of the current sheet abuts against the abutment portion and before the belt member contacts the next sheet.

Abstract: In the case where a voice control device can communicate with a printing apparatus and a display apparatus, a user is provided with visual presentations of notifications on the display apparatus where print processing instructions are provided to the printing apparatus based on user instructions issued to the voice control device by voice.

Abstract: A method of decoding coding units of a coding tree for an image frame from a video bitstream comprising splitting a region of the coding tree into a plurality of coding blocks, each of the coding blocks including a prediction block. Determining matrix intra prediction flags for the prediction block of each of the coding blocks, the determination based upon (i) an area of the region if the region meets a threshold, or (ii) a budget for the region if the area of the region does not meet the threshold. The method further comprises reading matrix coefficients from a memory for each prediction block determined to use matrix intra prediction according to the determined flag; and decoding the coding units using prediction blocks generated for each coding unit in the region using reference samples of each prediction block and the matrix coefficients.

Abstract: A method of decoding coding units of a coding tree for an image frame from a video bitstream comprising splitting a region of the coding tree into a plurality of coding blocks, each of the coding blocks including a prediction block. Determining matrix intra prediction flags for the prediction block of each of the coding blocks, the determination based upon (i) an area of the region if the region meets a threshold, or (ii) a budget for the region if the area of the region does not meet the threshold. The method further comprises reading matrix coefficients from a memory for each prediction block determined to use matrix intra prediction according to the determined flag; and decoding the coding units using prediction blocks generated for each coding unit in the region using reference samples of each prediction block and the matrix coefficients.