Abstract: An image forming apparatus includes an image forming unit includes a photosensitive member; a charging unit configured to uniformly charge the photosensitive member; an exposure unit configured to form an electrostatic latent image on the photosensitive member by scanning the charged photosensitive member with laser light; and a developing device configured to develop the electrostatic latent image to form an image on the photosensitive member, a reading unit configured to read a test image, which is formed by the image forming unit, for detecting image density of the image, and a controller configured to: control the image forming unit to form the test image; detect periodic fluctuation of the image density based on a detection result of the test image which is acquired by controlling the reading unit to read the test image; and correct an image forming condition to suppress the detected fluctuation.

Abstract: An image forming apparatus includes a heating rotary member that heats toner born on a recording material, and a pressure rotary member that pressurizes the heating rotary member. These rotary members form a fixing nip portion and fix a toner image to the recording material at the fixing nip portion while nipping and conveying the recording material. The apparatus further includes a web that collects toner adhering to a surface of the heating rotary member, a winding roller that winds the web, a motor that rotates the winding roller, a contact member that makes contact with an outer surface of the wound web and moves based on a position of the outer surface, a variable resistor that is connected to change a resistance value depending on a position of the contact member, and a control unit that controls a rotation amount of the motor based on the resistance value.

Abstract: A fixing belt includes a base member containing a metal, a sliding layer containing a filler and formed on a base member inner side, and a separation layer formed on a base member outer side. Assume that (i) a sliding layer cross section is obtained by cutting the sliding layer along a sliding layer thickness direction and is divided into sections each having a length that is the same as a sliding layer thickness in a direction perpendicular to the thickness direction, and (ii) a ratio of a filler area to a sliding layer area in each cross section sections is an area ratio. A period coefficient is calculated using the formula (Ave %?Min %)/Ave %, where an average of area ratios of filler areas in all the sections is Ave % and a minimum of the area ratios is Min %, and the calculated period coefficient is 0.6 or more.

Abstract: An image forming apparatus includes a registration unit configured to register a button in association with path information indicating a file storage destination and print settings, a display unit configured to display a screen including the registered button, an acquisition unit configured to acquire one or more files by using the path information without asking a user to make a selection in a case where the displayed button is selected, and an execution unit configured to execute printing of the acquired one or more files based on the print settings.

Abstract: An image forming apparatus including: a restricting member; a driven gear including a portion to be restricted; a planetary gear mechanism including input portion to transmit a driving force from a driving source, output portion for transmitting the driving force to the driven gear; and a stopping member that is configured to stop rotation, which is oriented in a first rotation direction, and allow rotation of the portion to be stopped in a second rotation direction opposite to the first rotation direction, wherein when the input portion rotates in a first direction, the stopping member stops the rotation, and the output portion rotates the driven gear in a release direction opposite to the restriction direction, and when the rotation of the driven gear in the restriction direction is restricted and the input portion rotates to be oriented in a second direction opposite to the first direction.

Abstract: In the present disclosure, a candidate area is determined based on a pixel having a specific color included in an input image, and an area is determined to be a processing target from the candidate area based on a pixel having a predetermined color different from the specific color included in the candidate area. Further, a second binary image in which a pixel corresponding to the pixel having the specific color is converted into a white pixel is generated by converting, in a first binary image obtained by the input image being binarized, a pixel that is included in the area determined to be the processing target and corresponds to the pixel having the specific color, into a white pixel.

Abstract: A toner comprising a toner particle comprising a binder resin and organosilicon polymer particles on a surface of the toner particle, wherein the binder resin comprising an amorphous resin and a crystalline polyester resin, an absolute value |SPcpes?SPsi| of a difference between an SP value (SPsi) of the organosilicon polymer particles and an SP value (SPcpes) of the crystalline polyester resin is not more than 2.00 (cal/cm3)1/2, and an amount of adsorbed water in the organosilicon polymer particles at a temperature of 30° C. and a humidity of 80% RH is not more than 20 mg/g.

Abstract: The present invention is directed to solving an issue arising when a background image is generated. An image processing system generates a foreground image containing a foreground object based on an image captured by an imaging apparatus included in a first imaging apparatus group. The image processing system generates a background image not containing the foreground object based on an image of the imaging region captured by an imaging apparatus included in a second imaging apparatus group different from the first imaging apparatus group. The image processing system generates a virtual viewpoint image based on the generated foreground image and background image.

Abstract: An information processing apparatus includes an extraction unit, a generation unit, and a combining unit. The extraction unit extracts a foreground object region from a captured image captured by an image capturing unit. The generation unit generates a mask image corresponding to the foreground object region in the captured image, and having colors different depending on luminance of the foreground object region. The combining unit combines a mask image generated by the generation unit and a predetermined image to generate an output image.

Abstract: Provided is an information processing apparatus, control method, and storage medium capable of preventing an unintended print result from being produced. The present executes making a predetermined notification in a case where a spot color printing region set to be printed in a spot color which is a color different from a process color is included in a predetermined region in a region to be printed based on print data, the predetermined region being a region other than a text region in the region to be printed based on the print data.

Abstract: An image processing apparatus includes first, second, and third acquisition units, a setting unit, a calculation unit, and a processing unit. The first acquisition unit acquires information regarding a setting for inspecting an image. The second acquisition unit acquires first data that is data of a reference image representing a target print result. The third acquisition unit acquires second data that is data of a printed image to be inspected. The setting unit sets a comparison area including a pixel of interest in each of the reference image and the printed image based on the information and the first data. The pixels of interest correspond to an identical pixel position. The calculation unit calculates a density difference between the comparison areas based on the first data and the second data. The processing unit inspects the printed image based on the first data, the second data, and the density difference.

Abstract: An information processing apparatus performs first determination of determining whether a blurring state of a region in a captured image corresponding to an element of three-dimensional shape data of an object satisfies a condition and performs second determination of, in a case where the blurring state is determined to satisfy the condition, determining whether the region is visible or invisible from an image capture apparatus having captured the captured image and, in a case where the blurring state is determined not to satisfy the condition, determining that the region is invisible. The information processing apparatus generates information used in generating a virtual viewpoint image, based on a determination result by the second determination.

Abstract: A power transmission unit includes a switching unit configured to switch alternating-current (AC) power at a timing based on a first clock signal and wirelessly transmit the switched AC power, and a clock transmission unit configured to wirelessly transmit the first clock signal. A power reception unit includes a clock reception unit configured to receive the first clock signal, a detection unit configured to detect an amount of electric power and a switching timing of the AC power, a clock generation unit configured to generate a second clock signal based on the switching timing, a clock selection unit configured to select the first or second clock signal in accordance with the amount of electric power, and a rectifying unit configured to switch the AC power wirelessly transmitted by the switching unit at a timing based on the clock signal selected.

Abstract: A body fluid analysis device includes processing circuitry. The processing circuitry is configured to set one or more subregions in a region of interest in a medical image. The processing circuitry is configured to set a reference direction for each of the subregions set. The processing circuitry is configured to determine a flow direction of a body fluid for each subregion. The processing circuitry is configured to determine the state of a flow of the body fluid in the region of interest on the basis of the reference direction for each subregion set and the flow direction of the body fluid for each subregion determined.

Abstract: An image forming apparatus connectable to a plurality of types of wireless Local Area Network (LAN) chips is provided. The image forming apparatus includes an identification unit configured to identify a capability of a wireless LAN chip connected to the image forming apparatus, a reception unit configured to receive an instruction to import a setting value, a determination unit configured to determine whether the wireless LAN chip connected to the image forming apparatus is operable at the setting value based on the identified capability, and a reflection unit configured to reflect the setting value for the wireless LAN chip connected to the image forming apparatus in a case where it is determined that the wireless LAN chip connected to the image forming apparatus is operable at the setting value.

Abstract: Provided is a method of controlling an image processing apparatus capable of controlling album data for a first subject containing a common page and an individual page for the first subject, and album data for a second subject containing the common page and an individual page for the second subject. The method includes specifying a change target for a page contained in the album data for the first subject.

Abstract: An image processing apparatus converts a first combination including color signals respectively corresponding to first ink, second ink, and third ink, which are input to be recorded in a first area on a recording medium into a second combination including color signals respectively corresponding to the first ink, the second ink, and the third ink, and converts a third combination including color signals respective corresponding to the first ink, the second ink, and the third ink which are input to be recorded in a second area on the recording medium into a fourth combination including color signals respectively corresponding to the first ink, the second ink, and the third ink, wherein a difference between a color of a first image and a color of a second image is reduced and a difference between a frequency of the first image and a frequency of the second image is reduced.

Abstract: A recording device comprising at least one memory and at least one processor which function as: a setting unit configured to set a scene number; a communication unit configured to perform transmission and reception of a scene number to share the scene number with at least one other recording device; and a recording unit configured to record a file of recording data with a file name including a scene number at a start of recording the recording data and a scene number at an end of recording the recording data.

Abstract: An X-ray diagnostic apparatus according to an embodiment includes an imaging apparatus and a processor. The imaging apparatus includes an X-ray tube configured to generate an X ray; and an X-ray detector configured to detect an X ray that has been emitted from the X-ray tube and passed through a subject. The processor obtains an examination protocol including an imaging condition corresponding to contents of an examination for the subject, obtains a camera image in which the subject has been captured, and determines whether at least one examination item corresponding to the examination protocol is executable based on first geometric information and second geometric information, the first geometric information including a geometric positional relation between the subject and the imaging apparatus associated with the examination protocol, and the second geometric information including a geometric positional relation between the subject and the imaging apparatus detected based on the camera image.

Abstract: An X-ray imaging apparatus includes an X-ray generation apparatus including an X-ray generation tube having an electron gun and a target configured to receive an electron beam from the electron gun to generate X-rays, a support structure supporting the tube, and a deflector configured to deflect the electron beam, an X-ray detector configured to detect the X-rays from the X-ray generation apparatus, and a control apparatus configured to control the X-ray generation apparatus. The support structure supports the tube to permit at least the target to be pivoted in a state in which the deflector is fixed, and the control apparatus determines, based on use amount of the X-ray generation apparatus and/or change of the X-rays generated by the X-ray generation apparatus, whether it is necessary to pivot the target.

Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes a processing circuit. The processing circuit is configured to predict, based on an imaging sequence of magnetic resonance imaging and a relationship between a driving frequency of a gradient field coil and one of a magnet internal pressure and a magnet temperature of a static field magnet, the one of the magnet internal pressure and the magnet temperature at the time of execution of the imaging sequence, adjusts the imaging sequence based on a prediction result, and execute the adjusted imaging sequence.

Abstract: A medical image diagnosis system includes an imaging apparatus and processing circuitry. The imaging apparatus applies one-time or multiple-time medical imaging to a subject to which a plurality of drugs having a tissue accumulation property, which corresponds to a tissue characteristic, are administered successively or simultaneously. The processing circuitry reconstructs one or a plurality of medical images, based on one or a plurality of set of raw data acquired by the one-time or multiple-time medical imaging. The processing circuitry estimates a tissue characteristic of a target region, based on a spatial distribution of the drugs rendered on the one or the plurality of medical images. The processing circuitry displays the estimated tissue characteristic.

Abstract: A system and method is provided for controlling an acquisition system to obtain, based on a currently acquired set of projection data, a next set of projection data that is to be acquired using a set of learned imaging conditions. The set of learned imaging conditions are, at least in part, based on training data including projection data and dose information. In one embodiment, the initial dose and angle for obtaining the initial set of projection data are chosen at random. In another embodiment, the initial dose and angle for obtaining the initial set of projection data are chosen based on a test scan and a trained neural network for outputting the initial dose and angle using a loss function.

Abstract: A medical image processing apparatus according to one embodiment includes processing circuitry. The processing circuitry trains an attention model by using a medical image and a mask image that is obtained by performing mask processing on a region other than a region of interest in the medical image, trains an image processing model by using the medical image, a heatmap corresponding to the medical image, and an attention feature that indicates attention of the region of interest in the trained attention model, combines, as an attention image processing model, an attention extraction module that includes an attention module for outputting the attention feature and the trained image processing model, performs processing on the medical image by using the attention image processing model, and generates a heatmap for determining a position of a landmark in the medical image.

Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires a plurality of projection data based on an output signal from an X-ray detector that rotates around a subject, performs reconstruction filter processing on the plurality of acquired projection data, the reconstruction filter processing being included in reconstruction regarding the plurality of projection data, generates correction information on a sensitivity difference area formed in the plurality of projection data due to differences in sensitivity of the X-ray detector, on the basis of a processing result of the reconstruction filter processing, performs correction processing on the plurality of projection data on the basis of the correction information, and performs reconstruction processing including the reconstruction filter processing on the plurality of projection data subjected to the correction processing.

Abstract: According to one embodiment, a medical device operation method includes a monitoring step and an application step. In the monitoring step, a monitoring apparatus executes first CT imaging on a treatment target person into which a first drug particle with a suppressed onset of a treatment effect is introduced, and monitors an accumulation of the first drug particles in a tissue, based on spectral information acquired by the first CT imaging. In the application step, an application apparatus applies an action for exerting the treatment effect of the first drug particle to the first drug particle accumulating in the tissue, by using as a trigger an event that the accumulation of the first drug particles in the tissue satisfies an objective condition.

Abstract: Method for graphically providing status information of a data processing system having a plurality of disjunct system statuses, wherein the data processing system is monitored during a predetermined period of time. A donut chart is created which has an inner hole region linked to the one particular system status and an outer region having as many segments as the total number of system statuses in the collection minus one. An area size of the inner hole region and an area size of each segment in the outer region is proportional to the amount of time that the corresponding monitored system status occurred during the predetermined period of time.

Abstract: The present invention provides an image encoding apparatus for encoding a sequence of images, where the apparatus comprises a prediction unit which generates, for a target block to be encoded having a predetermined size in an image, a predicted image from both an intra-prediction image and an inter-prediction image, and obtains prediction errors that are differences between the target block and the predicted image; a transform unit which frequency-transforms the prediction errors, a quantization unit which quantize, using a quantization matrix, the transform coefficients, and an encoding unit which entropy-encodes quantized transform coefficients, wherein the quantization unit obtains the quantization matrix, using at least one of a predetermined quantization matrix for the intra-prediction and a predetermined quantization matrix for inter-prediction.

Abstract: According to one embodiment, a medical diagnostic imaging apparatus includes processing circuitry. The processing circuitry receives a subject's examination information including a case and an examination body part. The processing circuitry acquires a first search result by searching a library that associates an imaging protocol with each case using the subject's case. The processing circuitry acquires a second search result by searching a library that associates a slice condition with each examination body part using the subject's examination body part. The processing circuitry determines an imaging protocol for the subject based on the first search result, and determines a slice condition for the subject based on the second search result. The processing circuitry stores the received examination information and the determined imaging protocol and slice condition in a predetermined library in such a manner as to associate them with each other.

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes processing circuitry. The processing circuitry sets a pulse sequence to collect plural echo signals by application of a refocusing pulse more than once after application of an excitation pulse once, and collects data on plural slices that are parallel to each other by executing the pulse sequence more than once. The processing circuitry sets the pulse sequence such that a slice thickness for the refocusing pulse becomes larger than a slice thickness for the excitation pulse, and collects the data on the plural slices by executing the pulse sequence without consecutively collecting data on adjacent ones of the plural slices.

Abstract: An information processing apparatus comprises a decoder, a managing unit which manages storage of history information relating to communication with an image capturing apparatus, a receiving unit which, in a case of communication with the image capturing apparatus, receives an image file held in the image capturing apparatus and saves the image file to a predetermined storage unit; and a display control unit which controls a display of an image of the image file saved to the storage unit, wherein, when displaying an image file stored in the storage unit, the display control unit extracts, from the image file, identification information of the image capturing apparatus, and, based on the extracted identification information and the managed history information, determines whether or not to use the decoder to decode the image file.

Abstract: An apparatus comprising: a unit configured to verify whether a first region that specifies a verification range of a first boot code and a second region that specifies a verification range of a second boot code have been altered; a unit configured to, when the first region has not been altered, verify whether the first boot code has been altered; a unit configured to, when the first boot code has been altered and the second region has not been altered, verify whether the second boot code has been altered; and a unit configured to, when the second boot code has not been altered, restore the first boot code using the second boot code, wherein the first and second regions are regions that are not rewritten after a start of the apparatus.

Abstract: The electronic apparatus including a DC motor that is driven based on a current supplied from a power source, and including: a detection circuit that detects an instantaneous interruption of the power source; an H bridge circuit having an upper arm circuit having two switching elements connected in parallel to the power source and a lower arm circuit having two switching elements connected in parallel to a ground, the upper arm circuit and the lower arm circuit being connected in series, and controlling a current to be supplied to the DC motor; and a switching control circuit that controls the switching element, and in a case where an instantaneous interruption of the power source is detected by the detection circuit, the switching control circuit sets the switching elements of the upper arm circuit to off and sets the switching elements of the lower arm circuit to on.

Abstract: A system monitoring a plurality of models generated through machine learning includes a monitoring unit that perform warning of a specific item of an input corresponding to a predetermined condition if a prediction result by a first model using the input including a plurality of values satisfies the predetermined condition, and a provision unit that provides a message prompting setting of a condition which is a monitoring target by the monitoring unit in the specific item with regard to a second model different from the first model. The provision unit provides the message in at least one of a case in which the predetermined condition is set for the first model, a case in which the prediction result by the first model is determined to satisfy the predetermined condition, and a case in which the second model is registered in the system.

Abstract: An information processing apparatus having a plurality of functions includes: an accepting unit configured to accept selection of one environment from among a plurality of different environments as a use environment of the information processing apparatus; a first notification unit configured to provide a notification of a function which is at least one of the plurality of functions and for which a change in use occurs when a group of set values corresponding to the selected one environment is set in the information processing apparatus; a second notification unit configured to extract a set value related to the change in use from the group of set values and provide a notification of the set value; and a setting unit configured to perform batch setting for the information processing apparatus on the basis of the group of set values in response to an instruction for setting the group of set values.

Abstract: An embodiment includes: a first transport module on which a carriage moves; a second transport module that is configured to be able to move to a position for connecting to the first transport module and on which the carriage is able to move to and from the first transport module; a position detection unit that detects a position in a moving direction of the second transport module and outputs position information; a first control unit that controls motion of the carriage on the first transport module; a second control unit that controls motion of the carriage on the second transport module; a third control unit that controls motion of the second transport module; and a fourth control unit that controls the first to third control units. The fourth control unit corrects a position where the second transport module connects to the first transport module based on the position information.

Abstract: An identification apparatus for identifying a type of a sheet obtains, by a sensor, a plurality of parameters including a parameter concerning a characteristic of the sheet, and identifies the type of the sheet based on a result of inputting the plurality of parameters obtained by the sensor to an estimation model obtained by machine learning using, as input data, parameters corresponding to the parameters which are obtained by the sensor and include a first parameter and a second parameter classified in accordance with whether a value tends to change due to a predetermined element, and also using, as supervised data, a type of a sheet if the parameters are obtained.

Abstract: An information processing apparatus is provided, the apparatus comprises a first communication interface for performing wireless communication via a network provided by an external access point; a second communication interface for performing wired communication; a unit for setting, in a case where a user operation to set a first communication function for connecting to the external access point via the first communication interface to perform wireless communication has been accepted, a setting indicating that a second communication function for performing wired communication will not be used, and unit for setting, in case where a user operation to cancel the setting of the first communication function has been accepted before the information processing apparatus belongs to the network provided by the external access point, a setting indicating that the second communication function will be used.

Abstract: An intermediate accessory apparatus configured to be detachably mounted between an interchangeable lens apparatus and an image pickup apparatus includes a storage configured to store characteristic information about a combined optical characteristic of the interchangeable lens apparatus and the intermediate accessory apparatus, the characteristic information being associated with state information indicating a state of the interchangeable lens apparatus, the state information being communicated via a first communication between the interchangeable lens apparatus and the image pickup apparatus, and a processor configured to receive identification information about the interchangeable lens apparatus from the image pickup apparatus, and transmit the characteristic information corresponding to the identification information to the image pickup apparatus, via a second communication between the intermediate accessory apparatus and the image pickup apparatus.

Abstract: An image encoding apparatus for encoding an image comprises a generation unit configured to generate, from a first quantization matrix having a size of ×N (N is a positive, a second quantization matrix having a size of ×Q (P and Q are positive integers which satisfy P<N<Q, and the size of ×Q indicates a size of P in a horizontal direction and a size of Q in a vertical direction), and a quantization unit configured to quantize transformation coefficients in a sub-block having a size corresponding to the size of ×Q using the second quantization matrix.

Abstract: A method of decoding coding blocks of a coding tree unit in an image. The method comprises obtaining the coding tree unit in the image from a bitstream, the coding tree unit having chroma channels and a luma channel; and determining luma split options for the luma channel of the coding tree unit according to dimensions of a region of the coding tree unit. The method also comprises determining chroma split options for the chroma channels of the coding tree unit according to dimensions of a region of the coding tree unit, the chroma split options being different to the luma split options, the allowable chroma split options resulting in chroma intra predicted blocks with a minimum size of 16 samples; and decoding the coding blocks by determining flags from the bitstream to select one of the determined luma split options and one of the determined chroma split options.

Abstract: An image processing apparatus that communicates with a chat server for controlling, based on received information indicating a talk room of the chat server and received information corresponding to a user, display of image data received from the user, in the talk room. The image processing apparatus includes a reception unit configured to receive predetermined information corresponding to the user, by transmitting authentication information for the user to log into a chat service, to the chat server, and a storage unit configured to store the predetermined information received by the reception unit, instead of the authentication information, in association with identification information for the user to log into the image processing apparatus. The image data, information indicating the specified talk room, and the predetermined information are transmitted to the chat server.

Abstract: An image forming apparatus that is capable of reducing network traffic in sending an audit log. The image forming apparatus is communicable with a communication apparatus. The audit log including multiple types of logs is stored in at least one of the storage device or an external storage device. On receiving from the communication apparatus a request for sending the audit log, the image forming apparatus performs control for sending the audit log to the communication apparatus. In the control for sending the audit log, on receiving the request for sending the audit log, the image forming apparatus sends, to the communication apparatus, information indicating a storage location of one or more logs each having a data amount larger than a predetermined amount among the logs included in the audit log, rather than the one or more logs.

Abstract: A cartridge unit includes: a first unit which includes a first supporting portion and a second supporting portion; and a second unit which includes a first supported portion, a second supported portion, and a storage member, the storage member including a memory contact, and a contact arrangement surface on which the memory contact is disposed. The second unit rotates from a first position to a second position in a state in which the first supported portion is supported by the first supporting portion and the second supported portion is supported by the second supporting portion to be positioned with respect to the first unit. A normal direction of the contact arrangement surface faces toward a direction in which the memory contact is exposed. The normal direction faces toward a direction opposite to a direction in which the second unit is directed from the first position to the second position.

Abstract: A steerable catheter driven by a robotic controller comprises: a catheter body having a tool channel extending from a proximal to a distal end; and a positioning mechanism configured to be coupled with an imaging device and to be slidably inserted into and/or withdrawn from the catheter body through the tool channel. The positioning mechanism and/or the catheter body include an anti-twist feature configured to interlock the catheter body to the imaging device at the distal end of the catheter body so as to prevent rotation of the imaging device within the tool channel. Anti-twist features include bumps or recesses formed in the tool channel inner surface to be interlocked with one or more features formed on the positioning mechanism outer surface. Position and/or orientation of the imaging device remain substantially unchanged with respect to the tool channel when the catheter body is steered by an actuating force.

Abstract: A control method for a scanning system that reduces load on an information processing apparatus when transmitting scanned data to a cloud server requiring an access token is provided. The control method includes acquiring, by an information processing apparatus, an access token from an authorization server, transmitting, by the information processing apparatus, the access token and an address of a cloud server in a first transmission, receiving, by an image forming apparatus, the address and the access token transmitted in the first transmission, scanning, by the image forming apparatus, a document based on the reception of the address and the access token, and transmitting, by the image forming apparatus, the image data generated by scanning the document and the access token to the cloud server in a second transmission.

Abstract: A photoelectric conversion device according to one embodiment includes: a first substrate including a pixel that includes a photoelectric conversion element; and a second substrate including a first control unit that includes a first signal processing unit configured to process a signal from the pixel, the second substrate being stacked together with the first substrate. The signal from the pixel is output to a second signal processing unit disposed at a position different from a position of the first signal processing unit, a path through which the signal from the pixel is output to the first signal processing unit is different from a path through which the signal from the pixel is output to the second signal processing unit, and the first control unit is configured to control the pixel on the basis of the signal processed by the first signal processing unit.

Abstract: An apparatus according to the present disclosure acquires a display condition for displaying at least a part of target data as a display image on a display device, determines, in a case where the display image is changed, whether to store the display condition according to a changed display image in a storage device, based on an index relating to the change of the display image, and stores, in a case where the display condition is determined to be stored, the display condition according to the changed display image in the storage device.

Abstract: An optical system consists of a front lens unit having a positive or negative refractive power, a diaphragm, and a rear lens unit having a positive refractive power, which are arranged in this order from an object side to an image side. The front lens unit includes an aspherical lens that has a positive refractive power on an optical axis, and is disposed closest to an object. The aspherical lens has an aspherical surface on the object side in which an off-axis radius of curvature is larger than an on-axis radius of curvature. A predetermined condition is satisfied.

Abstract: A sheet stacking apparatus is provided. A conveyor unit performs stacking of sheets discharged from a printing apparatus and conveying of stacked sheets. A detection unit detects whether or not the printing apparatus is currently discharging a sheet. A control unit, so as to secure a stacking space for a sheet discharged from the printing apparatus on the conveyor unit, controls a feeding operation of the conveyor unit correspondingly to a period of time over which the detection unit detected that the printing apparatus is discharging a sheet.