5906 results about "Image formation" patented technology

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.

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.

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.

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.

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.

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.

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 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.

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 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.

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.

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.

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.

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 head-up display apparatus that includes an image forming unit that emits video light; an optical element provided in the image forming unit and that generates video light divided into a first video light and a second video light as the video light; a first returning mirror that reflects the first video light; a second returning mirror that reflects the second video light; and a video projector that reflects the first video light from the first returning mirror and the second video light from the second returning mirror, and a first display region which is a first display area capable of displaying a first virtual image is formed based on the first video light from the video projector, and a second display region which is a second display area capable of displaying a second virtual image is formed based on the second video light from the video projector.

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.

An image forming apparatus includes an apparatus body, a support member to which a cartridge is detachably attached and which is movable, a detection portion configured to output a signal and configured such that the signal changes in a case where the support member on which the cartridge is supported is moved from the second position toward the first position, a drive source configured to move the support member, and a controller configured to, in a case where the support member at the second position and not being moved by the drive source is moved toward the first position and the signal changes, cause the drive source to move the support member toward the first position.

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.

The developing box can be detachably combined with the drum assembly provided with a photosensitive drum and a photosensitive gear to form a processing box, the photosensitive gear is arranged at the end of the photosensitive drum, the photosensitive drum and the photosensitive gear rotate together, the processing box is detachably installed on an image forming device, and the developing box comprises a box body, a driving device and a driving device, a developing roller that rotates about an axis extending in a first direction; the detected piece is located at the second end and used for triggering a detection piece of the image forming device; the storage medium is used for storing information of the developing box; the electric contact surface is positioned at the first end and is electrically connected with the storage medium; and the power receiving part receives the power transmitted from the drum assembly to rotate and is used for driving at least one of the developing roller and the detected part to move. The developing box disclosed by the utility model transmits power from the drum assembly to the developing box through the power receiving piece, so that the structure is simplified, and the production cost is reduced.

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.