5182 results about "Image formation" patented technology

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.

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.

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.

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.

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.

An image forming apparatus includes an image bearing member, a rotary including a developing chamber and a developing member, and a toner cartridge. The developing chamber includes a partition wall for partitioning the developing chamber into a first region including the developing member and a second region. The toner is supplied from the toner cartridge to the developing chamber by communication between a receiving opening provided in the developing chamber and a discharge opening provided in the toner cartridge. The toner accommodated in the toner cartridge and the toner accommodated in the first region are moved to the second region by rotation of the rotary and then are mixed in the second region.

A recording material conveying device includes: a first conveyor that conveys a recording material supplied from a recording material supply part; a second conveyor that branches from the first conveyor and conveys the recording material without passing through an image forming part; a third conveyor that branches from the first conveyor and conveys the recording material via the image forming part; and a detector that detects a recording material characteristic of the recording material, wherein the recording material whose recording material characteristic has been detected by the detector can be ejected from the second conveyor.

A sheet conveyance apparatus includes a driving roller, a steering portion configured to change an inclination angle of a rotational axis of the driving roller, a follower roller configured to nip and convey a sheet together with the driving roller and pivot about a pivot axis, a contact / separation mechanism, a first detection portion configured to detect vibration of the follower roller, a second detection portion configured to detect positional deviation of the sheet, and a control portion configured to execute a correction operation of correcting the positional deviation of the sheet and to execute a predetermined process for causing the correction operation to be started after the driving roller and the follower roller have been switched from the separation state to the contact state and after the vibration of the follower roller has settled down within a predetermined range.

An image forming apparatus includes (i) a developing unit including a storage frame including a receiving opening, and a developing shutter movable between a closed position to cover the receiving opening and an open position to expose the receiving opening, (ii) a toner cartridge including a toner frame having a discharge opening and movable between a mounting position at which the discharge opening faces the receiving opening and a retreat position, (iii) a moving device configured to move the toner cartridge from the retreat position toward the mounting position, and (iv) a drive device including a drive source and configured to drive the moving device. The developing shutter moves from the closed position toward the open position by a force of the drive source when the toner cartridge moves from the retreat position toward the mounting position.

The present invention is directed to reducing moving members for moving a magnetic body relative to a developer. An image forming apparatus includes a developing unit including an accommodation portion, a developing member, and a magnetic body unit, the magnetic body unit being located inside the accommodation portion and supported to be movable relative to the accommodation portion in a moving direction, a rotary, and a magnetic sensor. A rotation period for the rotary to make one rotation includes a first period. In the first period, the moving direction includes a vertically downward direction. The first period includes a contact period during which the magnetic body unit is received by a developer. The contact period includes timing at which a rotation center of the rotary, the magnetic body unit, and the magnetic sensor are aligned on a straight line in a radial direction of rotation of the rotary.

A compression coding section compression-codes an image formed by an image forming section of a server in units of a partial image smaller than one frame, and transmits the compression-coded image to an image processing apparatus via a communication section together with its formation time. An image data acquisition section of the image processing apparatus acquires the transmitted image data, and a decoding decompression section decoding-decompresses the image data for each partial image. An image processing section performs necessary processing for each of the partial images. A display control section outputs data of the partial images to a display device while changing an output target or controlling an output order according to an acquisition status of the data of the partial images.

A toner comprises toner particles and an external additive adhering to surfaces of the toner particles, wherein the toner particle includes a crystalline polyester resin and a wax, the external additive includes organic / inorganic composite fine particles and an associated silica having two or more primary particles being associated with each other, and the toner has a softening point of 110° C. or lower.

The invention relates to a distribution network line multi-class image defect detection method and device based on small sample learning, and relates to the field of distribution network lines. The method comprises the following steps: firstly, acquiring a distribution network line historical inspection image to form a first inspection data set; extracting depth and illumination information of the image in the first data set, and generating a preliminary weather simulation diagram in combination with a physical heuristic synthesis algorithm; inputting the initial weather simulation diagram into a pre-training generative adversarial network to obtain a second inspection data set containing various weather scenes; constructing a third inspection data set by using the first data set and the second data set, and dividing a training data set and a verification data set from the third inspection data set, the third inspection data set and the third inspection data set; training a deep learning model by using the training set and the verification set to obtain a trained defect detection model; and finally, inputting a distribution network line inspection image obtained in real time into the trained model, and outputting a defect detection result. Compared with the prior art, the method has the advantages of improving timeliness and accuracy of distribution network line defect identification and the like.

The invention discloses a printing head assembly, an ink box, an ink box installation detection method and an image forming device, the printing head assembly comprises a circuit board and a contact unit, and the circuit board comprises a signal contact area. The signal contact area at least comprises a first contact area arranged corresponding to the first nozzle module and a second contact area arranged corresponding to the second nozzle module; the contact unit comprises a plurality of signal contacts and further comprises a contact detection contact set, the contact detection contact set comprises at least one contact detection contact, the at least one contact detection contact in the contact detection contact set is arranged in the middle area of the signal contact area, and the center line of the contact unit is located in the middle area. At least one of the first contact area and the second contact area is arranged on one side of the center line of the contact unit. According to the technical scheme of the embodiment of the invention, whether the ink box and the image forming device are in good contact can be detected, and the working reliability of the image forming device is ensured.

An information processing device includes a display device and a control device. The control device includes a processor and functions, by the processor executing a control program, as: a controller that causes the display device to display a preview image of an output target image indicated by image data; and a character orientation detector that detects an orientation of characters in the output target image. The controller performs an orientation adjustment display for setting the orientation of the preview image to an orientation in which the orientation of characters detected by the character orientation detector becomes a portrait orientation in which the characters are upright, and displaying the preview image on the display device.

An image forming apparatus includes a rotary including a developing roller, and a storage frame including a storage chamber to store toner to be supplied to the developing roller and an inlet opening communicating with the storage portion. In addition, a body frame has an opening and accommodates the rotary, and a toner cartridge includes a toner frame including a toner storage hollow storing the toner and a discharge opening communicating with the toner storage hollow and is attachable to the rotary through the opening. The toner is supplied from the toner storage hollow to the storage chamber in a state in which the toner cartridge is at the attached position. A moving assembly driven by a driver moves the moving assembly to move the toner cartridge from the attached position to a retracted position and moves the toner cartridge from the retracted position to the attached position.

An electrostatic charge image developing toner, an electrostatic charge image developer, a toner cartridge, a process cartridge, an image forming apparatus, and an image forming method, the electrostatic charge image developing toner having toner particles containing an amorphous polyester resin, a crystalline polyester resin, and cross-linked resin particles, the internal cross-linked resin particles are styrene-(meth) acrylic copolymer particles and have an average dispersion diameter of 100 nm or more and 300 nm or less, and when a 3 [mu] m * 3 [mu] m square region of 600 [pix] 600 [pix] is divided into n * n in a cross-sectional view of the toner particles, the average dispersion diameter of the internal cross-linked resin particles is 1 [mu] m or less, and the average dispersion diameter of the internal cross-linked resin particles is 1 [mu] m or less. When DAR (n) is the coefficient of variation of the area ratio of the added cross-linked resin particles with respect to the area of the divided regions in the n * n divided regions, and slopeF (16) is the slope of an approximate straight line in a dispersion plot plotted by changing n to 3, 4, 6, 8, 12, and 16 with log [1 / n] as the X axis and log [DAR (n)] as the Y axis, formula (1) is satisfied: 0.6 < = slopeF (16).

The invention belongs to the technical field of automatic equipment, and particularly relates to a novel paper tube external inspection machine. The device comprises a machine case frame, an electric control placement space and a detection space are arranged in the machine case frame, the detection space is located below the electric control placement space, an electric control assembly is arranged in the electric control placement space, a feeding port and a discharging port are formed in the left end and the right end of the detection space, and one end, extending out of the feeding port, of the detection space is arranged in the detection space. According to the surface light type multi-angle defect detection device, through cooperative work of the camera detection assembly on the vertical guide shaft and the surface light source auxiliary assembly on the transverse guide shaft, multi-angle and all-directional detection can be carried out on defects such as pits and pits in the surface of a paper tube. The area light source lamp set provides uniform and stable illumination, the detection camera shoots images from multiple angles to form a stereoscopic image structure, and compared with a traditional single-angle detection mode, the detection precision is greatly improved, micron-sized tiny defects can be detected, and missing detection and false detection are effectively avoided.

The invention particularly relates to a CA-YOLO-based power system personnel abnormal behavior detection method, which comprises the steps of collecting personnel behavior images in a power scene to form a data set, preprocessing the data set, and dividing the data set into a training set, a test set and a verification set; a CA-YOLO model is constructed, the CA-YOLO model comprises a Backbone part, a Neck part and a Head part, and the CA-YOLO model adopts an RFCACConv module to replace a traditional convolutional layer; according to the Backbone part, a C3k2-CA module is adopted to replace a traditional C3k2 module. The Neck part adopts a CAFusion module to replace a traditional splicing layer; the Detect module of the Head part adopts an EMAM-MPDIoU loss function, and the EMAM-MPDIoU loss function is adopted by the Detect module; using the training set and the verification set to train the CA-YOLO model, and obtaining a trained CA-YOLO model; and performing personnel behavior detection on the test set in the power scene by using the trained CA-YOLO model to obtain a personnel behavior detection result in the power scene. According to the invention, through the design of coordinating the attention mechanism and multi-scale feature fusion, the accurate detection of the abnormal behavior of the personnel in the electric power scene is realized.

An image forming apparatus 1 capable of loading a plurality of ink containers 31 containing ink of the same color includes: a plurality of container loaders 32 capable of removably loading the respective ink containers 31; a total remaining amount calculator 101 that calculates a total remaining amount of ink of the same color based on respective remaining amounts of ink in the ink containers 31 loaded in the container loaders 32; and a remaining amount condition determiner 102 that determines whether or not a remaining amount alert condition has occurred in which the total remaining amount of ink has reduced to a predetermined lower limit.

According to the job task allocation method and device, the electronic equipment and the storage medium provided by the embodiment of the invention, the total task amount of job tasks to be allocated and the equipment parameters of all image forming equipment in an image forming equipment cluster are acquired, and the equipment parameters are used for indicating the health degrees of the image forming equipment; determining a preset task amount corresponding to each image forming device based on the total task amount and the device parameters of each image forming device; and allocating the job task based on the preset task load, so that the actual task load allocated to each image forming device does not exceed the corresponding preset task load. The health degree of the image forming equipment is considered when the job tasks are allocated, the image forming equipment with the low health degree allocates the printed manuscripts with fewer pages, the situation that the image forming equipment with the low health degree is damaged due to the fact that too much tasks are allocated is avoided, and the overall job task allocation strategy is optimized.

An image forming apparatus includes a rotary including a developing chamber, a cartridge configured to supply a developer to the developing chamber, and a tray capable of detachably supporting the cartridge. The tray includes a first opposed portion configured to be opposed to the cartridge and extend in a predetermined direction, and is disposed relative to the rotary to a first position where the cartridge is located outside the rotary and a second position where the cartridge is located inside the rotary. The predetermined direction is a detachment direction of the cartridge. With the cartridge supported by the tray, a part of the cartridge is located downstream, in the predetermined direction, of a downstream end of the first opposed portion in the predetermined direction.

A sheet separation device includes a sheet separation unit, a displacement detector, a displacement adjuster, and a controller. The sheet separation unit performs a sheet separating operation and a sheet inserting operation. The displacement detector detects a displacement amount of the two-ply sheet when the two-ply sheet is displaced in a width direction of the two-ply sheet and detects a displacement amount of the inner sheet. The displacement adjuster adjusts the displacement of the two-ply sheet in the width direction before the sheet separating operation, based on the displacement amount of the two-ply sheet in the width direction detected by the displacement detector. The controller causes the displacement adjuster to adjust relative positions of the two-ply sheet and the inner sheet between the sheet separating operation and the sheet inserting operation, based on the displacement amount of the inner sheet in the width direction detected by the displacement detector.

A medium processing apparatus includes a conveying unit, a liquid applier, and a crimper. The conveying unit conveys a medium in a conveyance direction. The liquid applier applies liquid to the medium conveyed by the conveying unit. The liquid applier includes a presser and a liquid application member. The presser presses the medium. The liquid application member contacts and is separated from the medium while the presser presses the medium. The crimper presses and deforms a plurality of media including the medium to which the liquid is applied by the liquid applier, to crimp and bind the plurality of media.

An image forming apparatus includes a rotary including a first developing chamber and a second developing chamber, a first cartridge having a first cartridge indicator and configured to supply a first developer to the first developing chamber, a second cartridge having a second cartridge indicator and configured to supply a second developer to the second developing chamber, a first tray having a first tray indicator and capable of removably supporting the first cartridge, and a second tray having a second tray indicator and capable of removably supporting the second cartridge. A hue of the first cartridge indicator is closer to a hue of the first tray indicator than to a hue of the second tray indicator, and a hue of the second cartridge indicator is closer to the hue of the second tray indicator than to the hue of the first tray indicator.