623 results about "Latent image" patented technology

A method includes adding an outpaint mask to an image to generate a masked image. The method also includes processing the image using an encoder neural network to generate an image representation of the image in a latent space. The method further includes processing the masked image using a convolution neural network and adding the image representation to generate an image embedding. The method also includes processing the image representation and the image embedding using at least one of a diffusion model and an interpolation process to generate a noisy latent image representation. The method further includes using a large language model to contextualize an outpainting prompt. The method also includes denoising the noisy latent image representation based on the contextualized outpainting prompt to generate a denoised latent image representation. In addition, the method includes processing the denoised latent image representation using a decoder neural network to generate an outpainted image.

Methods and apparatus for relighting images. According to an example embodiment, inverse rendering is applied to an input image to extract a plurality of channels including an original lighting channel. A first neural network is used to determine a first latent feature corresponding to the input image based on a first set of channels including a shading channel generated using a replacement lighting channel. A second neural network is used to determine a second latent feature corresponding to the input image based on a different second set of channels including the replacement lighting channel. A relighted image is generated by propagating samples of a latent image map corresponding to the input image through a conditional diffusion model to which the first and second latent features are applied as first and second conditions.

The invention aims to provide a multi-condition diffusion model-based Shengtuo calligraphy rubbing fusion restoration method, which comprises the following steps of: firstly, acquiring a plurality of Shengtuo calligraphy rubbing images from different sources, preprocessing the images, and constructing a standardized training data set; designing a multi-image feature extraction and alignment module to obtain a fused structural feature tensor; constructing a core network structure of the multi-conditional diffusion model, and supporting guidance of a plurality of conditional vectors; jointly inputting the obtained fusion structure feature tensor and a plurality of condition guide items into a diffusion model to generate a fused and repaired potential image; and finally, restoring the potential image obtained by reconstruction into a final output image through a reverse mapping module. According to the method, the problems of blurring, pen lacking, breakage and non-uniform styles during fusion and restoration of the rubbing image in the prior art are solved.

The invention discloses a multi-degraded image restoration method based on semantic guidance. According to the method, for degraded images captured by a vehicle-mounted camera under severe weather conditions, potential features of the images are extracted by adopting a trunk network based on Transform, multi-modal semantic information is extracted in combination with a CLIP visual language model, and semantic guidance is provided for different degradation types through a dynamic text prompt generation mechanism. A self-adaptive feature fusion module is designed, channel attention and space attention mechanisms are combined to realize effective integration of multi-modal features, and a degradation feature extraction and fusion module is introduced to enhance the generalization ability of the model. According to the semantic guidance multi-type image recovery network SGIRN provided by the invention, the global modeling capability of the Transform and the cross-modal representation capability of the CLIP visual language model are combined, so that high-quality recovery of various weather degradation types is realized.

A developing device includes a developer bearing member and carrier to develop an electrostatic latent image formed on an image bearing member, a developing container, a conveying screw which conveys the developer, and an inductance sensor which includes a detecting portion which detects magnetic permeability of the developer in the developing container. If the inductance sensor is not attached to the developing container and a predetermined magnetic material is disposed in contact with the detection portion, an output value when the detecting portion detects magnetic permeability of the predetermined magnetic material is A, and if the inductance sensor is not attached to the developing container and the predetermined magnetic material is disposed 1 mm away from the detection portion in a vertical direction passing through the detection portion, an output value when the detecting portion detects magnetic permeability of the predetermined magnetic material is B, with B / A≥0.1 being satisfied.

An image forming apparatus includes an image forming portion, a toner storage container, an odor generator, an odor sensor, and a control portion. The image forming portion includes an image carrying member and a development device that develops an electrostatic latent image formed on the image carrying member into a toner image, and forms the toner image based on image data. The toner storage container stores toner for forming the toner image, and is removably mountable in a main body of the image forming apparatus. The odor generator is provided on the toner storage container, and carries an odor substance. The odor sensor is provided in the main body of the image forming apparatus, and senses the odor substance diffusing from the odor generator. The control portion identifies the type of toner storage container based on the odor substance sensed by the odor sensor.

The embodiment of the invention provides a laser direct-writing image detection method, a laser direct-writing image detection system and related equipment, which realize accurate positioning of an image deformation area position on a complete exposure breadth and measurement of deformation quantity by detecting the offset of light spots of different lasers in the horizontal direction at the same moment. The method comprises the following steps: arranging a plurality of groups of non-repeated binary images to be ranked in the horizontal direction to form an image sequence, and carrying out binarization processing on the image sequence to obtain the position of a laser exposure point; in a synchronous scanning process of a plurality of lasers in the laser array, controlling each laser to expose a mapping position of an exposure point on a photosensitive coating in an image sequence by using a synchronous switch instruction so as to respectively form a latent image of the image sequence in a respective scanning area of each laser; and if the plurality of developing image sequences are not aligned in the horizontal direction from the target binary images in the same sequence, detecting coordinate values of difference points of the target binary images in each developing image sequence in the horizontal direction.

A process cartridge includes a first unit including an image bearing member configured to carry an electrostatic latent image, and a second unit including a developer bearing member configured to develop the electrostatic latent image carried on the image bearing member into a toner image, the second unit being capable of being mounted on the first unit in a mounting direction. The first unit includes a moving member that moves the second unit mounted on the first unit at a mounting position to a detachment position. The second unit includes a storage unit that stores information about the second unit. The moving member is disposed on a first side of the process cartridge in a longitudinal direction of the image bearing member. An electrode of the storage unit is disposed on a second side of the process cartridge in the longitudinal direction.

An image forming apparatus comprises a rotationally driven photosensitive body, a charging device that charges a surface of the photosensitive body, an exposure light source that forms an electrostatic latent image by exposing the surface of the photosensitive body to light, a developing device that forms a toner image by developing the electrostatic latent image using toner, a transfer member that transfers the toner image to a sheet, a first memory that stores a cumulative image formation amount for each one of N exposure regions, and a control circuit that controls the exposure light source.

To prevent a situation in which overcurrent flows and an overcurrent protection function is actuated, during setting of an initial value of applied voltage to be applied to an image carrier.SOLUTION: An image forming apparatus has: a voltage generation unit that generates applied voltage in which AC voltage is superimposed on DC voltage; an image carrier on which an electrostatic latent image is formed; a charging member that electrostatically charges the image carrier on the basis of the applied voltage from the voltage generation unit; a current detection unit that detects current flowing from the voltage generation unit to the image carrier; a storage unit that stores a previous voltage value indicating the value of the applied voltage in the previous charging of the image carrier; and a control unit that controls the operation of the voltage generation unit on the basis of the current detected by the current detection unit. When the previous voltage value stored in the storage unit is equal to or more than a reference value during setting of an initial value of the applied voltage, the control unit sets the initial value to the reference value.SELECTED DRAWING: Figure 3

An image forming apparatus includes a light emitter; a photoconductor to form a latent image on a surface of the photoconductor; a deflector to deflect light at a write start timing; an optical sensor; and circuitry. The optical sensor detects the scanning light scanning, with one of multiple sensitivities. The circuitry adjusts a light intensity of the emitted light and the write start timing based on the detection signal; switches from the one of multiple sensitivities to other of multiple sensitivities or from the other of multiple sensitivities to the one of multiple sensitivities based on the light intensity adjusted; and determines whether to perform a color misregistration correction based on a shift in the write start timing caused by a switch from the one of multiple sensitivities to the other of multiple sensitivities or from the other of multiple sensitivities to the one of multiple sensitivities.

Disclosed in the present invention is a process cartridge, comprising: a photoconductor drum, wherein an electrostatic latent image can be formed on the photoconductor drum; a developer accommodating chamber for accommodating a developer therein; a rotatable developer roller, wherein the axial direction of the developer roller extends in the length direction, and the developer roller is configured to transfer the developer to the photoconductor drum to develop the electrostatic latent image on the photoconductor drum; a rotatable toner supply roller, wherein the axial direction of the toner supply roller extends in the length direction, and the toner supply roller is in contact with the developer roller to supply the developer to the developer roller; a developing chamber, wherein the developer roller is located in the developing chamber, and when the process cartridge is mounted to an electronic imaging device, the developing chamber is located above the developer accommodating chamber; and a developing coupling which receives a driving force to enable the developer roller and the toner supply roller to rotate, and when the developer roller and the toner supply roller are driven to rotate, the peripheral speed of the surface of the toner supply roller is smaller than or equal to the peripheral speed of the surface of the developer roller. The solution ensures stable driving of the developer roller, the toner supply roller, etc., in a developing unit.

A method of image compression implemented by a coding device. The method comprises receiving an input latent image comprising latent image patches containing latent image data, selecting a subset of the latent image patches; applying the latent image patches to the input of a first encoder in the coding device, receiving conditioning side information, encoding, by the first encoder, the subset of latent image patches based on the conditioning side information to generate encoded latent image patches. The method further includes combining the encoded latent image patches with a plurality of mask tokens, applying the combined encoded latent image patches and plurality of mask tokens to the input of a decoder in the coding device, decoding the combined encoded latent image patches and plurality of mask tokens based on the conditioning side information to generate a reconstructed latent feature map, and rearranging the reconstructed latent feature map to produce an output latent image.

An image forming apparatus incudes a photosensitive member, a scanning optical unit and a control portion. The scanning optical unit is provided with a light source including a plurality of light emitting points and emitting laser lights form the plurality of light emitting points, respectively and a deflector deflecting each of the laser lights emitted from the plurality of light emitting points into a scanning direction. The scanning optical unit scans the photosensitive member with the plurality of laser lights deflected by the deflector and forms an electrostatic latent image on the photosensitive member. The control portion controls the scanning optical unit. Based on information regarding a light emitting point pitch as an interval between the plurality of light emitting points, the control portion identifies the light emitting point pitch.

An image forming apparatus having a detachable replenishment container includes an image bearing member, a developer container, a developing bearing member to develop an electrostatic latent image formed on the image bearing member into a toner image by using toner accommodated in the developer container, and a replenishment port through which the developer container can be replenished with toner from the replenishment container. A restriction member transitions between an allowance state in which the replenishment container and the replenishment port communicate with each and a restriction state in which the replenishment container and the replenishment port are not made to communicate with one another.

To make it possible to execute an appropriate type of calibration for suppressing unevenness of an image.SOLUTION: Provided is an image forming apparatus that includes an image forming unit and a control unit for controlling the operation of the image forming unit. The image forming unit includes: an image bearing member that rotates around a rotation shaft; exposure means for exposing the image bearing member to form a latent image on a surface of the image bearing member; and developing means for developing the latent image with a developer to form a developer image. The control unit, in a first correction mode, measures unevenness of the image in both a first direction parallel to a rotation axis and a second direction orthogonal to the first direction, and corrects the image forming condition of the image forming unit on the basis of the measurement result in the first and second directions; in a second correction mode, measures unevenness of the image in one of the first and second directions, and corrects the image forming condition of the image forming unit on the basis of the measurement result in the one direction.SELECTED DRAWING: Figure 8

An image forming method includes charging operation a surface of the electrophotographic photoreceptor that does not contain lubricant particles in a region of 30% from a surface of an outermost surface layer with respect to a film thickness of the outermost surface layer or contains 5% by mass or less of the lubricant particles with respect to an entirety of the region; forming an electrostatic latent image; developing the electrostatic latent image with a developer to form a toner image; transferring the toner image to a surface of a recording medium; and cleaning the surface of the electrophotographic photoreceptor by bringing a cleaning blade into contact with the surface after the toner image is transferred, wherein a dynamic friction coefficient in a contact portion between the electrophotographic photoreceptor and the cleaning blade is 0.2 or greater and 0.6 or less.

A developing device includes a developer bearer, a developer container, a supply rotator, and a layer thickness regulator. The developer bearer is rotatable in a first direction to supply developer to a latent image bearer. The developer container contains the developer to be supplied to the developer bearer. The supply rotator supplies the developer in the developer container to the developer bearer at a contact position at which the supply rotator contacts the developer bearer. The layer thickness regulator forms a layer of the developer having a regulated thickness on the developer bearer. The developer bearer collects residual toner from the latent image bearer. The supply rotator rotates in a second direction opposite the first direction of the developer bearer at the contact position. The supply rotator has a surface of a foam layer including a single foam cell having a diameter smaller than 300 μm.

The invention relates to the technical field of optical waveguide preparation, and discloses an optical waveguide mother set splicing-free preparation method based on a DMD dynamic mask, and the method comprises the steps: obtaining the layout data of an optical waveguide mother set as initial design information, and generating a mask pattern sequence which comprises a plurality of partition mask patterns; establishing a pixel mapping relationship between the on-off state of the micro-mirror unit and the partition mask pattern; driving the transparent substrate to execute partition positioning movement on the platform, and controlling the current exposure area of the photosensitive material layer to be aligned with the projection area of the partition mask pattern; on the basis of the pixel mapping relation and the partition positioning movement result, activating the mask pattern, and carrying out non-interval continuous exposure to form a full-page latent image pattern; the whole latent image pattern is subjected to developing treatment, the embossment structure of the optical waveguide master mask is treated and transferred into the transparent substrate, a waveguide core layer pattern is formed, the effects of non-interval continuous exposure and no segmented splicing are achieved, the preparation period of the surface embossment optical waveguide master mask is shortened, and the processing efficiency and the batch preparation yield are improved.

An image forming apparatus including: a photosensitive drum; a rotary configured to be rotatable around an axial direction; a toner cartridge configured to be supported by the rotary and have a discharge opening discharging toner, and a developing unit configured to be supported by the rotary, develop an electrostatic latent image formed on the photosensitive drum at a development position, and have a discharged receiving opening receiving toner, an accommodating chamber accommodating the received toner, a developing roller, a supply roller rotating around a roller axis along the axial direction and supplying the housed toner to the developing roller, and a guide portion, in which the guide portion guides toner moving in a direction intersecting the axial direction away from the receiving opening, is used.

The invention discloses a water quality turbidity intelligent monitoring method and system based on vision, and relates to the technical field of water environment monitoring and intelligent perception, an industrial camera and an event camera perform coaxial acquisition, and an electric control polaroid and an adjustable incident angle realize angle-polarization dual scanning and construct a polarization prior tensor. Adaptive standardization is carried out on the dazzle removal reference frame, a forward operator is established by combining polarization geometry and particle size mapping, and a latent image is obtained through physical consistency inversion of split iteration. The method comprises the following steps: extracting multi-scale features from RGB / HSV / Lab three branches and a cavity pyramid by using time domain polarization transformation and reliability selection, carrying out cross-space fusion based on particle size spectrum estimation and spatial gating, outputting a turbidity value, and synchronously giving a particle size spectrum, depolarization confidence and flicker intensity. And the internet-of-things execution subsystem performs hierarchical linkage according to threshold values and performs online self-calibration.

An image forming apparatus includes: a photoconductor; a charging portion that charges a surface of the photoconductor; an exposure portion including a substrate including a plurality of light emitting portions for exposing the photoconductor; a developing portion that develops a latent image formed on the surface of the photoconductor with toner; a fan that generates an airflow for cooling the exposure portion; and a duct that communicates with the fan and communicates with the support portion, the duct guiding the airflow generated by the fan to the substrate; in which a part of the duct is formed by a charging support portion that supports the charging portion, a developing support portion that supports the development, and a duct portion, and a space between the duct portion and the charging support portion and a space between the duct portion and the developing support portion are sealed by a sealing member.

The invention discloses a fan blade aerial image deblurring method fused with auxiliary image prior, which comprises the following steps of: establishing an image degradation model, estimating a blurring kernel and a potential image in the image degradation model by optimizing a target function, and after the blurring kernel is obtained, performing image deblurring on the image degradation model; non-blind deconvolution is applied to the input blurred image to generate a final clear image. According to the method, the auxiliary image is introduced in the process of estimating the blurring kernel, the structural consistency and defect identification degree of the recovered image are remarkably improved, a breakthrough from natural image priori to task specific priori is achieved, after the blurring kernel estimation is completed, standard deconvolution is not directly used, and the algorithm is simple and convenient to operate. Compared with the prior art, the non-blind deconvolution energy model fusing multiple image structure priori is innovatively proposed, the common problems of artifacts, edge blurring and the like in a traditional deconvolution image are greatly solved, high-fidelity image reconstruction is achieved, and the accuracy and robustness of a subsequent defect detection system are enhanced.

An image forming apparatus includes an image forming portion, a toner storage container, an odor generator, an odor sensor, and a control portion. The image forming portion includes an image carrying member and a development device that develops an electrostatic latent image formed on the image carrying member into a toner image. The toner storage container is rotatable, stores toner for forming the toner image, and is removably mountable in the image forming apparatus. The odor generator is provided at a position where it is rotatable together with the toner storage container, and carries an odor substance. The odor sensor senses the odor substance diffusing from the odor generator. The control portion rotates the toner storage container after its mounting in the image forming apparatus before toner supplying operation, and senses the odor substance at a sensing position where the odor generator is closest to the odor sensor.

A process cartridge includes a photosensitive drum and a developing roller configured to develop an electrostatic latent image formed on the photosensitive drum. The process cartridge further includes a developer supplying roller configured to supply the developer to the developing roller and a developer feeding member configured to feed the developer toward the developer supplying roller. A first gear is configured to transmit a driving force transmitted, through the developer supplying roller, from a driving force receiving member, and a second gear is configured to transmit the driving force to the developer feeding member. An idle gear is configured to transmit the driving force transmitted from the first gear to the second gear.

To provide an image forming apparatus of a two-component development system having a large process linear velocity that can secure an area where a developing condition can be set while extending its life.SOLUTION: An image forming apparatus comprises an image carrier, a charging device, an exposure device, a developing device, a driving unit, a developing voltage power supply, and a control unit. The developing device has a developer carrier that carries a two-component developer including toner and carrier, and supplies the toner in the developer carried on the developer carrier to the image carrier to develop an electrostatic latent image into a toner image. The driving unit drives to rotate the image carrier at a predetermined linear velocity. The developing voltage power supply applies, to the developer carrier, a developing voltage in which an AC voltage is superimposed on an DC voltage. The image forming apparatus has a first printing mode in which the driving unit drives to rotate the image carrier at a linear velocity of 250 mm / sec or more. The image carrier has a single-layer organic photosensitive layer as a photosensitive layer, and a layer thickness of the photosensitive layer at the start of usage is 40 μm or more.SELECTED DRAWING: Figure 5

The present application relates to the field of image forming apparatus, and particularly relates to a control method of image forming apparatus and related equipment. The image forming apparatus comprises: a plurality of image carriers, a primary transfer component, an intermediate transfer body, a first driving component and a control unit; each image carrier is used for carrying an electrostatic latent image and forming a toner image through toner development; the intermediate transfer body is configured to abut or separate from the image carrier to receive the toner image on the image carrier; the primary transfer component is used for abutting the intermediate transfer body on the image carrier to transfer the toner image on the image carrier to the intermediate transfer body; the first driving component is used for driving the primary transfer component to move, so that the intermediate transfer body switches between the state of abutting and separating from the image carrier; and the control unit controls the primary transfer component to drive the intermediate transfer body to abut the image carrier when the power supply of the developing component to the corresponding developing component of the image carrier is turned on.

To provide an image forming apparatus that can efficiently execute maintenance.SOLUTION: According to an embodiment, an image forming apparatus has a plurality of photoreceptors, an exposure unit, developing units, and a processor. The exposure unit irradiates the surfaces of the plurality of photoreceptors with rays of light according to images formed on the plurality of photoreceptors. The developing units supply toner to the surfaces of the plurality of photoreceptors on which electrostatic latent images are formed by the irradiation of the rays of light from the exposure unit. The processor adjusts, for each of the photoreceptors, a contrast potential for supplying the toner from the developing units to the electrostatic latent images formed on the surfaces of the plurality of photoreceptors, and when a contrast potential having a difference from the other contrast potentials exceeding a reference value is present, notifies a warning.SELECTED DRAWING: Figure 3

The image forming system includes: an image holding body that rotates; a charging unit that rotates while being in contact with the image holding body and charges the surface of the image holding body by applying a charging bias voltage; a pressing member that presses the charging portion against the image holding body so as to create a bite width; a developing unit that develops a latent image formed on the surface of the image holding body with a toner; and at least one processor that performs a process in which an absolute value of a surface potential of the image holding body charged by the charging portion is lower than an absolute value of a developing potential of the developing portion; the absolute value of the potential of the charging part is raised in a rectangular wave manner only during a set time during which the charging part instantly discharges before and after the nip width of the image holding body and does not discharge at the center of the nip width, and the absolute value of the potential of the charging part is raised in a rectangular wave manner only during a set time during which the charging part does not discharge at the center of the nip width. The absolute value of the surface potential of the image holding body is higher than the absolute value of the developing potential.

An image forming apparatus is disclosed. The image forming apparatus includes: a charging unit that charges an image bearing member; a developing unit forming a toner image on the latent image formed on the image bearing member; a transfer unit that transfers the toner image onto a transfer material; a charge canceller that cancels a charge of the image bearing member downstream of the transfer portion and upstream of the charging portion in a rotation direction of the image bearing member; and a conductive collection unit that collects a material adhering to the image bearing member downstream of the transfer portion and upstream of the charging portion, in which the developing unit collects a residual toner on the image bearing member, the voltage applying unit sets a potential difference between a voltage applied to the collecting unit and a surface potential of the image bearing member to be not greater than a discharge threshold.