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9107 results about "Image formation" patented technology

The study of image formation encompasses the radiometric and geometric processes by which 2D images of 3D objects are formed. In the case of digital images, the image formation process also includes analog to digital conversion and sampling.

Ultrasonic image diagnosis system and method

The invention relates to the technical field of sound wave measurement, in particular to an ultrasonic image diagnosis system and method.According to the ultrasonic image diagnosis system and method, matching between reflection characteristics and tissue characteristics is made to have the self-adaptive learning ability through a deep neural network, the targeted recognition effect is improved in the aspect of signal classification, and based on the judgment result of the reflection characteristics, the diagnosis accuracy is improved. When boundary partitioning is carried out on a tissue area, the edge structure is judged by using the combination of three parameters of gray range, gradient direction and texture continuity, contour fuzziness caused by single index judgment is avoided, and the boundary partitioning accuracy is improved by extracting a gray distribution center, an amplitude change track and an edge area continuous change sequence. And the region positioning result is input into a support vector machine, accurate recognition of lesion properties is realized according to boundary classification comparison of morphological structure quantitative features and historical benign and malignant feature data, secondary verification of the structural form is performed after the image is formed, and the diagnosis integrity and the judgment confidence are effectively improved.
Owner:THE FIRST AFFILIATED HOSPITAL OF FUJIAN MEDICAL UNIV

Image forming apparatus

An image forming apparatus includes: a fixing chute located upstream of a fixing device in a sheet conveying direction; a fixing guide opposing the fixing chute and including a guide conveying surface; and a fixing shutter opposing the fixing chute and configured to move between a closed position and an opened position. In a state in which the fixing shutter is positioned at the opened position, a shutter conveying surface of the fixing shutter is inclined in a direction approaching the fixing chute toward a downstream side in a sheet conveying direction such that an end portion of the shutter conveying surface on the downstream side is located closer to the fixing chute than an end portion of the guide conveying surface on an upstream side in the sheet conveying direction.
Owner:BROTHER KOGYO KK

Film, member, transfer device, fixing device, and image forming apparatus

To provide a film that well maintains oil repellent properties even when used continuously in a high temperature environment.SOLUTION: A film contains: resin; and a siloxane compound that has a structure A of the formula [RSiO1.5]n (in the formula, R represents an organic group, and n represents an integer of 2 or more), wherein at least one R of a plurality of Rs present in the structure A is a group including an alkyl group, and the difference in the solubility parameter (SP value) between the resin and the structure A is 3.0 or less in terms of absolute value. The film has a surface free energy of 40 mJ / m2 or less.SELECTED DRAWING: None
Owner:FUJIFILM BUSINESS INNOVATION CORP

Gas leakage detection method, program product and equipment

The invention discloses a gas leakage detection method, a program product and equipment, and the method comprises the steps: obtaining a collected continuous frame infrared image, and obtaining a multi-frame visible light image corresponding to the continuous frame infrared image; forming infrared input data of a pre-trained gas leakage detection model based on the continuous frames of infrared images, and forming visible light input data of the pre-trained gas leakage detection model based on multiple frames of visible light images; based on the infrared input data and the visible light input data, a gas fusion feature map is obtained through a gas feature extraction network in the gas leakage detection model; and based on the gas fusion feature map, identifying gas leakage position data through a gas position identification network in the gas leakage detection model.
Owner:FLINT TECHNOLOGY (YANTAI) CO LTD

Image-forming apparatus including mechanism for maintaining opening and closing states of shutter of fixing device through urging force of urging member

An image-forming apparatus includes a fixing device, a shutter, and an urging member. The fixing device includes a heater unit, and a pressure unit forming a nipping region in cooperation with the heater unit. The shutter is movable between a closing position for covering a part of the heating unit and an opening position for uncovering the part of the heating unit. The urging member is configured to urge the shutter such that: the shutter at the closing position is maintained at the closing position; and the shutter at the opening position is maintained at the opening position.
Owner:BROTHER KOGYO KK

Small target identification method and system based on YOLOv5

The invention provides a small target identification method and system based on YOLOv5, and the method comprises the steps: collecting a multi-scale image in a target range, and forming an original data set; performing image enhancement on the original data set through superpixel segmentation and adversarial enhancement operation to obtain an enhanced data set; performing multi-scale frequency domain aliasing enhancement on the enhanced data set through frequency domain decomposition and frequency band exchange operation to obtain a to-be-detected data set; improving the YOLOv5 model to obtain a small target recognition model; and performing small target identification on the to-be-detected data set through the small target identification model to obtain an identification result. According to the method, small target recognition is realized through the dynamic feature pyramid and the double-path detection head in combination with cross-level kernel sharing and a space-frequency double-domain attention mechanism, the problem of detail loss caused by a traditional static feature pyramid is solved, the recognition precision is improved, and the false detection rate is reduced.
Owner:XIAN AERONAUTICAL UNIV

Oral tooth lesion AI auxiliary diagnosis system

The invention discloses an oral tooth lesion AI auxiliary diagnosis system, which belongs to the field of artificial intelligence and comprises an image acquisition module, a three-dimensional modeling module, a lesion marking module, a dual-channel feature extraction module, a cross-modal diagnosis reasoning module, a lesion evolution trend prediction module and a dynamic risk level generation module. The image acquisition module utilizes multi-frequency structured light and a polarization camera to cooperatively acquire oral images; the three-dimensional modeling module is used for reconstructing an upper and lower jaw three-dimensional structure based on edge constraint splicing point clouds and registering images to form double-view fusion data; the lesion labeling module fuses expert labeling and weak supervision pseudo labels to generate joint labels; the dual-channel module extracts skeleton and texture features; the reasoning module realizes cross-modal semantic coupling through an image-text co-occurrence graph; the evolution prediction module models a lesion change path based on the time reversal causal network; and the risk module outputs a five-level risk and re-injects the embedded vector to strengthen prediction. The beneficial effects are that diagnosis intelligence and clinical decision support level are obviously improved.
Owner:BEIJING FUAN NETWORK TECHNOLOGY CO LTD

Drum cartridge having movable first housing, immovable second housing, and gasket sealing therebetween, and image-forming apparatus using the same

A drum cartridge includes a photosensitive drum rotatable about an axis extending in a first direction, a developing roller configured to supply toner to the photosensitive drum, and a developing housing configured to store the toner therein. The developing housing includes a first housing supporting the developing roller, a second housing having an inlet port, and a gasket providing a sealing between the first housing and the second housing. The first housing is movable relative to the photosensitive drum. The second housing is immovable relative to the photosensitive drum. The gasket is elastically deformable in response to movement of the first housing relative to the photosensitive drum.
Owner:BROTHER KOGYO KK

Image forming system with pressure-bonding of folded recording material

An image forming system includes an image forming unit for forming a first toner image and a second toner image on a first surface and a second surface of a recording medium by using toner containing wax; a pressure-bonding unit for pressure-bonding the recording medium folded in two by applying heat and pressure to the recording medium, an inner surface of the recording medium folded in two being pressure-bonded via an adhesive medium, one of the first surface and the second surface being the inner surface of the recording medium folded in two, the pressure-bonding unit pressure-bonding the recording medium folded in two via an adhesive member; and a control unit for determining an image forming order so that an image is formed on an outer surface of the recording medium folded in two, and then on the inner surface of the recording medium folded in two.
Owner:CANON KK

Medium processing apparatus and image forming system incorporating same

A medium processing apparatus includes a liquid applier, a post-processing device, and circuitry. The liquid applier includes a liquid application member that applies liquid to a part of a medium, the medium being at least one medium. The post-processing device binds a bundle of media including the medium to which the liquid is applied by the liquid applier. The circuitry changes, according to a binding condition for the post-processing device, at least one of an amount of movement of the liquid application member toward the medium or a contact time during which the liquid application member is in contact with the medium.
Owner:RICOH CO LTD

Toner cartridge and image forming apparatus

The invention relates to the technical field of printing equipment, and provides a toner cartridge and an image forming device. A developing roller; the driving gear is used for receiving driving force from the outer side of the toner box and is arranged on the first side wall of the shell; a transmission gear set engaged with the driving gear and transmitting the driving force to the developing roller and the stirring member; the detection rotating piece is arranged on the shell and located on the second side wall or the position closer to the second side wall than the first side wall; the intermediate transmission shaft is used for transmitting the driving force to the detection rotating piece; wherein a first rotating axis formed by the rotating motion of the detection rotating piece is perpendicular to a second rotating axis formed by the rotating motion of the intermediate transmission shaft, and the second rotating axis is parallel to the rotating axis of the driving gear. The problem that in the prior art, the length of the toner box is increased due to the fact that the rotating part protrudes towards the outer side of the toner box is detected is solved.
Owner:珠海市颂洋科技有限公司

Cartridge and image forming apparatus

A cartridge includes a first unit including a photosensitive member and a first frame; a second unit including a developing member and a second frame; a holding portion movable between a first position for holding the second unit at the separated position and a second position for holding the second unit at the developing position; a movable member; and an urging portion. the movable member is movable to a contact force receiving position, a separating force receiving position separating force receiving portion, a first retracted position, and a second retracted position. The urging portion urges the movable member placed at the first retracted position in a direction of moving the movable member toward the contact force receiving position, and urges the movable member placed at the second retracted position in a direction of moving the movable member toward the separating force receiving position.
Owner:CANON KK

Medium processing apparatus and image forming system incorporating same

A medium processing apparatus includes a liquid applier, a post-processing device, and circuitry. The liquid applier applies liquid to a part of a medium, the medium being at least one medium. The post-processing device binds a bundle of media including the medium to which the liquid is applied by the liquid applier. The circuitry controls operations of the liquid applier and the post-processing device. The circuitry causes the liquid applier to apply different amounts of liquid to a plurality of sample areas in the medium.
Owner:RICOH CO LTD

Image formation lens and microscope device

An image formation lens (IL) for a microscope comprises: a negative lens; and a positive lens (L13) that satisfies the following conditional expression:-0.002×(ν⁢dP-35)+0.602-θ⁢gFP<023<ν⁢dP<65where vdP: an Abbe number of the positive lens, and θgFP: a partial dispersion ratio of the positive lens that is defined by the following expression: θgFP=(ngP−nFP) / (nFP−nCP) where ngP is a refractive index of the positive lens to a g-line, nFP is a refractive index of the positive lens to an F-line, and nCP is a refractive index of the positive lens to a C-line.
Owner:NIKON CORP

Sheet processing apparatus, sheet processing method, and image forming system

A sheet processing apparatus includes: a center-folder to perform a center-folding process on a sheet bundle including multiple sheet materials; a back-crimp binder to: form a back portion on the sheet bundle subjected to the center-folding process; and perform a crimp-binding process on the back portion; and a controller configured to: cause the center-folder to perform the center-folding process; and cause the back-crimp binder to perform the crimp-binding process on the back portion while forming the back portion on the sheet bundle in the crimp-binding process.
Owner:RICOH CO LTD

Image forming apparatus including drum cartridge and toner cartridge pivotally movable relative to drum cartridge

An image forming apparatus includes a main body housing, a drum cartridge, and a toner cartridge. The drum cartridge is movable inside the main body housing between a drum first position and a drum second position. The toner cartridge is movable between a toner first position and a toner second position in a state where the toner cartridge is coupled to the drum cartridge. In a state where the toner cartridge is coupled to the drum cartridge, the drum cartridge is at the drum second position, and the toner cartridge is at the toner second position, the toner cartridge is pivotally movable relative to the drum cartridge between a first pivot position at which coupling of the toner cartridge to the drum cartridge is not releasable and a second pivot position at which the coupling of the toner cartridge to the drum cartridge is releasable.
Owner:BROTHER KOGYO KK

Rotating device, fixing device, and image forming apparatus

To prevent a variation in torque generated in a first rotating body when a second rotating body moves from a contact position to a separated position.SOLUTION: A rotating device comprises: a first rotating body that is rotatable in a predetermined rotation direction; a second rotating body that is movable to a contact position where it is in contact with an outer peripheral surface of the first rotating body and a separated position where it is separated from the first rotating body to the radial outside of the first rotating body, and is rotatable in the direction opposite to the rotation direction; a first driving mechanism that drives to rotate the first rotating body at a first peripheral speed, and causes the second rotating body to be rotated at the contact position; and a second driving mechanism that generates a driving force in the opposite direction for the second rotating body at the contact position and the separated position, to drive to rotate the second rotating body at a second peripheral speed slower than the first peripheral speed at the separated position and to apply a resistance force in the opposite direction to the first rotating body through the second rotating body at the contact position.SELECTED DRAWING: Figure 11
Owner:FUJIFILM BUSINESS INNOVATION CORP

Method, device and system for classifying and identifying impurity particles in transformer oil and medium

The invention discloses a method, device and system for classifying and recognizing impurity particles in transformer oil and a medium, and the method comprises the steps: obtaining an image of the impurity particles in the transformer oil in real time, taking the image as an original image, and forming a data set based on the original image; preprocessing the original image in the data set to obtain a preprocessed image; a K-means + + algorithm is adopted to generate a new prior frame; according to the new prior frame, training a YOLO target detection algorithm to obtain a trained YOLO target detection model; and performing target detection on the preprocessed images based on the trained YOLO target detection model, automatically identifying different types of impurity particles, automatically counting the number of prediction frames on all the images, and outputting the number of different types of particles. According to the invention, the accuracy and efficiency of monitoring the particle impurities in the transformer oil can be effectively improved, and important reference is provided for state evaluation and fault detection of the transformer.
Owner:CHENGDU POWER SUPPLY COMPANY OF STATE GRID SICHUAN ELECTRIC POWER

Image forming apparatus, image forming system, computer- readable storage medium storing program, and method of controlling image forming apparatus

An image forming apparatus includes, an image former that forms an image on a sheet, a conveyance path in which the sheet is conveyed to the image former, a sheet detector that is provided in the conveyance path and that detects a type of the sheet conveyed on the conveyance path; and a controller that performs control related to maintenance of the conveyance path based on the type of the sheet detected by the sheet detector.
Owner:KONICA MINOLTA INC

Booklet creating apparatus and image forming system

A booklet creating apparatus includes a heating-and-pressing unit and a controller. The heating-and-pressing unit heats and presses adhesive layer in a state in which plural sheets, with the adhesive layer formed thereon, are stacked. The controller performs control in such a way as to make a predetermined temperature and / or pressure lower when heating and pressing sheets of minimum size than when heating and pressing sheets of maximum size.
Owner:CANON KK

Image forming system

Disclosed is an image forming system having a first mode in which an image forming unit forms toner images and adhesive layers on sheets, and a booklet creation apparatus creates a booklet using the sheets; and a second mode in which the image forming unit forms only adhesive layers on sheets, and the booklet creation apparatus creates a booklet using the sheets. A predetermined temperature of a fixing unit that is set for heating and pressing of a sheet in the fixing unit is lower in the second mode than in the first mode.
Owner:CANON KK

Mold injection molding control method and system for injection molding of automobile parts

The mold injection control method comprises the steps that three-dimensional point clouds of a current injection molding part and an adjacent previous injection molding part are obtained, the global difference degree between the current injection molding part and the adjacent previous injection molding part is calculated through overall registration, if the global difference degree exceeds a threshold value, a difference mask is generated and covers a real-time image of a cavity, a difference image is formed, and the difference image is subjected to injection molding. And performing hybrid clustering on the difference image and a known defect type database to obtain candidate defect types and membership degrees, calculating posterior probability contribution degrees of the sensing nodes to the candidate defect types by taking the membership degrees as input and combining a Bayesian reasoning algorithm, if the contribution degree of any sensing node exceeds a threshold value, outputting a defect root cause report, and if the contribution degree of any sensing node exceeds the threshold value, outputting a defect root cause report. And a machine table or a mold execution mechanism is driven to carry out correction. According to the invention, the problems of low detection efficiency, large subjective deviation and lagging root cause judgment due to the fact that automobile part defect detection and root cause analysis depend on manual visual detection or single-dimensional automatic detection are solved.
Owner:LONGMEN DUOTAI IND

Image forming apparatus

An image forming apparatus includes a body frame, a cartridge movable to an attached position and a retracted position, a moving device configured to move the cartridge, a driving device configured to drive the moving device and to perform a first operation of driving the moving device to move the cartridge from the attached position toward the retracted position and a second operation of driving the moving device to move the cartridge from the retracted position toward the attached position, and a controller configured to control the driving device and to cause the driving device to perform the first operation in a case where the cartridge has not reached the attached position even after elapse of a predetermined time since the driving device is caused to start the second operation.
Owner:CANON KK

Image data transfer apparatus and image compression

An attention degree estimation section in a compression coding section of a server estimates an attention degree on the basis of contents indicated by a moving image generated by an image forming section, for each of unit regions produced by dividing a frame plane. A compression coding processing section compression-codes the moving image at a compression rate varied in the frame plane according to a distribution of the attention degrees. A communication section transmits compression-coded data to an image processing apparatus.
Owner:SONY INTERACTIVE ENTERTAINMENT LLC

Medium processing apparatus and image forming system incorporating same

A medium processing apparatus includes a conveyor, a liquid applier, and a crimper. The conveyor conveys a medium. The liquid applier applies liquid to the medium conveyed by the conveyor. The crimper presses and deforms a medium bundle including at least one medium to which the liquid is applied by the liquid applier, to bind the medium bundle. The liquid applier selectively performs application of the liquid to all media constituting the medium bundle or application of the liquid to only some of the media constituting the medium bundle, based on a conveyance interval at which the media are conveyed by the conveyor.
Owner:RICOH CO LTD

Static elimination apparatus and image forming system

A static elimination apparatus includes a conveyance unit configured to convey a sheet along a conveyance path, a non-contact static elimination unit arranged above the conveyance path and configured to eliminate static electricity from the sheet in a non-contact state, an upper side guide member arranged to face an upper surface of the sheet and configured to form part of the conveyance path, a lower side guide member arranged to face a lower surface of the sheet and configured to form the conveyance path together with the upper side guide member, a lower side unit in which the lower side guide member is arranged, and an upper side unit in which the non-contact static elimination unit is arranged and that is configured to be rotated upward with respect to the lower side unit to make at least part of the conveyance path exposed.
Owner:CANON KK