64 results about "Image reproduction" patented technology

A medical image processing device of an embodiment includes first and second image acquirers, a generator, and a calculator. The first image acquirer acquires a first fluoroscopic image of a patient. The second image acquirer acquires a second fluoroscopic image according to radiation of the patient at a time point different from that of acquisition of the first image using a detector. The generator generates a reconstructed image by reproducing the second image from the first image virtually arranged in a three-dimensional space on the basis of a position of the detector in the three-dimensional space. The calculator obtains a suitable position on the first image in the three-dimensional space on the basis of a degree of similarity between the second image and the reconstructed image. The generator generates the reconstructed image for use in the calculator and has a range larger than a range corresponding to the second image.

The invention discloses a light field display method and system with holography as a representation medium, and the method comprises the following steps: S1, collecting a multi-view image of a target scene, carrying out the coding of the multi-view image, and generating a light field tensor containing space and angle information; s2, mapping the light field tensor in the step S1 into a two-dimensional space phase diagram; s3, converting the two-dimensional space phase diagram in the step S2 into a modulation diagram used for driving a spatial light modulator; and S4, driving the spatial light modulator to perform light wavefront modulation according to the modulation graph in the step S3, and reproducing the image of the target scene through optical diffraction. According to the invention, integration from dynamic scene information acquisition to high-quality three-dimensional image reproduction is realized, a low-redundancy and high-fidelity processing link is realized, and the efficiency and quality of holographic display are greatly improved.

The audio and video reproduction method, device, integrated chip, and storage medium provided by embodiments of the present invention include receiving an audio signal, performing frame processing on the audio signal according to a preset frame length to obtain multiple audio frame signals, performing spectral processing on each audio frame signal to obtain spectral information, and then determining a sound and image perception width range, randomly generating an azimuth angle for each audio sampling point in the audio frame signal within the sound and image perception width range, determining an impulse response for each audio sampling point based on the azimuth angle of each audio sampling point in the audio frame signal, and determining an output audio signal of a sound-generating device based on each audio sampling point and the impulse response corresponding to each audio sampling point. The present invention can quantitatively determine the sound and image perception width range, and by feeding each audio sampling point to any azimuth angle within the sound and image perception width range, simulate a sufficiently fast-jumping virtual sound source, thereby allowing the user to perceive an expanded sound and image width and achieve a better sound and image reproduction effect.

This image reproduction device is provided with: a display unit that includes a first region and a second region; a storage unit that stores first content that includes an image and second content that includes an image having a smaller amount of change or a smaller change rate than the first content; and a reproduction control unit that causes the first region to reproduce the first content and causes the second region to reproduce the second content.

The present application relates to a kind of color holographic optical elements and its manufacturing method, manufacturing system and correction method, which can solve the problem of focal shift caused by wavelength inconsistency, help to improve the quality of reproduced image.The correction method of the color holographic optical element includes the following steps: adjusting the central ray incidence angle of various color recording light according to the wavelength of color recording light and the wavelength of color reproduction light, to correct the lateral focal shift of color holographic optical element in the process of image reproduction;And adjusting the edge ray incidence angle of various color recording light according to the wavelength of color recording light and the wavelength of color reproduction light, to correct the axial defocus of color holographic optical element in the process of image reproduction.

An information processing device (1) is provided with an acquisition unit (101), a first specification unit (102), a second specification unit (103), and a display control unit (104). The acquisition unit (101) acquires designation information indicating a predetermined posture that is included in a first motion of a user and a second motion to be compared and that is designated by the user. A first specifying unit (102) specifies a first frame corresponding to the specifying information from among a plurality of frames obtained by imaging a first operation. A second specifying unit (103) specifies a second frame corresponding to the specifying information from among a plurality of frames obtained by imaging a second operation. The display control unit (104) reproduces the moving image data corresponding to the first operation and the second operation in parallel so that the reproduction timings of the first frame and the second frame coincide with each other.

An image projection system (100; 200), comprising: a first transmitter (212d) configured to generate first light rays corresponding to a first projection plane and to send the first light rays along a first transmission path; a first collimation lens (213d) arranged on the first transmission path, the first collimation lens being configured to receive the first light rays and to produce first collimated light rays to be projected onto an eye to reproduce a first projection image that is perceived on the first projection plane; a second transmitter (212i) configured to generate second light beams corresponding to a second projection plane different from the first projection plane and to transmit the second light beams along a second transmission path; a second collimating lens (213i) arranged on the second transmitting path, the second collimating lens being configured to receive the second light rays and to produce second collimated light rays to be projected onto the eye to reproduce a second projection image that is perceived on the second projection plane; a first beam combiner (214) arranged at an intersection of the first transmission path and the second transmission path, wherein the first beam combiner is configured to transmit the first collimated light beams and the second collimated light beams on a combined transmission path; and a scanner (225) arranged on the combined transmission path, the scanner being configured to receive the first collimated light beams and the second collimated light beams and to direct the first collimated light beams and the second collimated light beams according to a scanning pattern to reproduce the first projection image and the second projection image to the eye.

The present application provides a modified color dye, its preparation method and application. The composition of the present application contains the modified color dye, and the structure contains a naphthalene sulfonic acid group. Compared with conventional color dyes, the modified color dye can form a hydrogen bond with the oxygen atom in the photosensitive combination. On the other hand, the modified color dye has a large molecular weight and a small binding force with aluminum. After development, there is no residual color in the blank area. The modified color dye has the characteristics of high photosensitivity and mild development conditions, thereby effectively improving the dot quality of the plate material, which is beneficial to ensure the image reproduction and precision. At the same time, due to the mild development conditions, the amount of sludge residue after development is greatly reduced.

An image reproduction device 6 reproduces an image including N different parameters of a wavelength range or the like, and comprises: a multiplexed hologram acquisition unit 61 for acquiring N to 2N multiplexed holograms obtained by multiplex-recording interference patterns for each parameter; a parameter selection unit 63 for selecting the parameters one by one; a hologram generation unit 64 for generating a calculation hologram including two light waves having the selected parameters from the multiplexed holograms; and a light wave restoration unit 65 for restoring one of the two light waves from the calculation hologram.

The present invention provides a photopolymerizable photosensitive resin composition for letterpress printing plates that enables fine image reproduction with short exposure times, without increasing the amount of ultraviolet irradiation or improving the ultraviolet transmittance of the photosensitive resin layer. [Solution] A photosensitive resin composition for letterpress printing plates, comprising at least a water-soluble or water-dispersible polyamide, an ethylenically unsaturated compound, and a photopolymerization initiator, wherein the photosensitive resin composition contains 5 to 50% by mass of the ethylenically unsaturated compound, and the ethylenically unsaturated compound contains 10% by mass or more of an ethylenically unsaturated compound having a heterocyclic structure including an ether linkage.

The invention relates to the technical field of integrated image customization and intelligent sales decision making, in particular to an integrated image customization material sales intelligent terminal control system, which comprises an intelligent terminal main control center used for calling to-be-printed image data and material inventory unit information selected by a user; the image reproduction complexity modeling unit is used for generating an image reproduction complexity index; the material medium interference potential analysis unit is used for generating a material medium interference potential; the process feasibility coupling calculation unit is used for calculating a process feasibility probability; the dynamic sales decision reconstruction unit is used for comparing the process feasibility probability with a preset reference qualified rate threshold value; if the process feasibility probability is smaller than a preset standard qualified rate threshold value, generating a dynamic risk premium instruction; otherwise, generating a basic selling price maintaining instruction; according to the method, the control strategy can be dynamically optimized along with equipment state aging or model change, and the problem that a static model is difficult to adapt to equipment dynamic performance change is solved.

The invention relates to a signal transmitter (1) for a vehicle (20), comprising an image generating device (2) for generating images and a first microlens array (11) having first lenses (21) for projecting the images onto a surface in the surroundings of the vehicle (20), said images reproducing a signal of the vehicle (20).

This invention provides a stereo synthesis method, system, device, and storage medium based on UWB positioning. The stereo synthesis method involves installing UWB positioning tags on a moving sound source and setting up a UWB wireless positioning system around the sound source. The system includes three or more anchor points, which communicate with the tags, calculating the distance between the tags and each anchor point in real time and uploading the data to a host computer. Simultaneously, the mono audio signal collected by a microphone moving with the sound source is uploaded to the host computer. The host computer uses image reproduction technology to fuse the mono sound collected by the microphone and the tag's location information using HRTF to generate a stereo audio signal. This stereo synthesis method enables stereo pickup and synthesis even when only mono audio is acquired from a moving sound source.

Embodiments of the present application provide an image processing method, device and equipment and a computer readable storage medium, wherein the method comprises: obtaining a first image and a second image; performing identity feature extraction on a first target object in the first image to obtain an identity feature vector of the first image; performing posture feature extraction on a second target object in the second image to obtain a posture feature vector of the second image; obtaining an image synthesis vector corresponding to the first image and the second image based on the identity feature vector and the posture feature vector; and generating a synthesis image of the first image and the second image according to the image synthesis vector, wherein the first target object in the synthesis image has the posture of the second target object. Through the embodiments of the present application, the image reproduction adaptability during image synthesis can be improved, and accurate image synthesis processing can be performed on the first image and the second image.

This application discloses a digital sand table system and a light field image rendering method using image rendering. The system reconstructs a 3D scene model using neural radiation fields and performs light field rendering on the scene image. It uses eye tracking to locate the viewer's position and performs directional light rendering, significantly improving processing efficiency compared to rendering images from all angles. Furthermore, the system reproduces the rendered directional image using light field display technology, allowing the stereoscopic image to change with the viewer, enhancing interactivity. In addition, the system can change the content of the stereoscopic image by modifying the 3D scene image and provides interactive processing operations, offering advantages over traditional sand tables in terms of freely changeable stereoscopic image content and superior interactive effects.

The invention discloses a high-fidelity printed card image reproduction method and system based on dynamic color calibration, and aims to solve the problem of color distortion caused by environment change, material difference and equipment drift. According to the method, a physical standard color card is arranged on each card, a reflection spectrum of the card is collected in real time by means of hyperspectral imaging, environmental parameters are sensed synchronously, a color characteristic curve is dynamically generated in combination with a printing material recognition technology, and then reverse mapping correction is conducted on an original image. And color drift is automatically compensated in continuous printing through a closed-loop feedback mechanism. According to the method, the conversion from static presetting to dynamic self-adaptive calibration is realized, the accuracy and batch consistency of color reproduction are remarkably improved, and the method is suitable for the field of high-end printing with extremely high requirements on color fidelity.

A sound image providing method and a computing device for performing the same are disclosed. The computing device according to an embodiment of the disclosure has at least one processor and a memory for storing at least one program executed by the at least one processor, and includes a waiting state image generation module for generating a waiting state image in which a character in an image is in a waiting state, a sound state image generation module for generating a sound state image in which the character in the image is in a sound state based on a sound content source, and an image reproduction module for reproducing the waiting state image and generating a synthesized sound image by synthesizing the waiting state image being reproduced and the sound state image.

This image generation device: on the basis of scene information, generates, as display image data, image data representing a portion of a scene represented by the scene information; determines, as a recording target, a section which is at least a portion of the scene and at which the display image data overlaps said at least a portion of the scene; and generates, as recording image data, image data for the section determined to be the recording target, the section being at least the portion of the scene. The image generation device is configured to that the generated recording image data is provided to a prescribed reproduction process.

The application discloses a color continuous-tone image method and system based on laser-induced micro-nano structures, and belongs to the field of micro-nano structure manufacturing, and comprises the following steps: performing line-by-line traversal on each pixel in a color continuous-tone image, obtaining primary color proportions and mapping to a coloring position map; based on spectral energy information of each color in the color continuous-tone image, determining basic weights of each color in the coloring position map through spectral energy normalization; utilizing the allocation relationship of the color proportions of each pixel, dynamically adjusting the basic weights to obtain a new allocation relationship, and outputting the color continuous-tone image; inputting the color continuous-tone image into a laser device, generating micro-nano structures on the surface of a base material, and reproducing the color continuous-tone image. According to the application, the weights are dynamically adjusted according to the color proportions of the pixels, the continuity of the color tone and the tone level is improved, the laser-induced micro-nano structures reproduce the complex color continuous-tone image on the surface of stainless steel, and more abundant color types and color tone levels are achieved.

The present disclosure relates to an information processing system, a method for operating an information processing system, and a program that enable efficient rendering and reproduction of virtual viewpoint images. A subject is imaged by a plurality of cameras, and an aggregate texture is generated by packing silhouette images comprising the silhouette of the subject that are generated on the basis of camera parameters and mesh data, obtained by meshing a three-dimensional model of the subject, from each of a plurality of sets of image data captured by the plurality of cameras, the camera parameters and mesh data being used when generating a virtual viewpoint image from the plurality of sets of image data. The present disclosure can be applied to virtual viewpoint image reproduction devices.

The present disclosure relates to an information processing device and an information processing method that make it possible to improve the accuracy of estimating the shape of a person's hand estimated from a captured image of the person who is a subject. In the present invention, a mesh is estimated from an image of the person who is the subject, the mesh is used to set a hand joint parameter to 0 and determine the size from the wrist to the tip of the middle finger when the palm is opened as the size of a hand region, the skeleton of the person is estimated from the image, a center position of the hand region is determined from the joint group corresponding to the skeleton of the person, and the hand shape is estimated on the basis of a hand image obtained by cutting out, with the center position of the hand region as a reference, the size range obtained by multiplying the size of the hand region by a prescribed coefficient. The present disclosure can be applied to virtual viewpoint image reproduction apparatuses.

The invention discloses a color continuous tone image method and system based on a laser-induced micro-nano structure, and belongs to the field of micro-nano structure manufacturing, and the method comprises the steps: carrying out the line-by-line traversal of each pixel in a color continuous tone image, obtaining a primary color proportion, and mapping the primary color proportion to a coloring position map; based on the spectral energy information of each color in the color continuous tone image, determining the basic weight of each color in the coloring position map through spectral energy normalization; dynamically adjusting the basic weight by using the distribution relation of the color proportion of each pixel to obtain a new distribution relation, and outputting a color continuous tone image; and inputting the color continuous tone image into laser equipment, generating a micro-nano structure on the surface of the substrate, and reproducing the color continuous tone image. According to the method, the weight is dynamically adjusted according to the color proportion of the pixels, the tone and tone continuity is improved, a complex color continuous tone image is reproduced on the stainless steel surface through the laser-induced micro-nano structure, and richer color types and tone levels are achieved.

A pixel circuit and a method are disclosed for image rendering on a color display having an array of pixels. The pixel circuit includes a first data line coupled to a first driver circuit for receiving pixel luminance data and driving one or more pixels in a pixel array, the first driver circuit including a first driving transistor, and a second data line coupled to a second driver circuit for receiving pixel luminance data and driving one or more pixels in the pixel array. And a second driving circuit for receiving pixel luminance data and driving one or more pixels in the pixel array, the second driving circuit including a second driving transistor, where the second driving transistor has a different size than the first driving transistor. The pixel circuit also includes a controller configured to: receive pixel data associated with an image for rendering on a color display having an array of pixels; and driving one or more pixels of the pixel array via at least one of the first data line or the second data line using pixel luminance data associated with the received pixel data.

The present invention aims at obtaining a seamless planographic printing plate precursor and a seamless planographic printing plate, which are excellent in image reproducibility necessary for obtaining a high-fineness seamless planographic printed matter. Further, it aims at obtaining a seamless planographic printing plate precursor and a seamless planographic printing plate, which are easy to regenerate the cylindrical support. The present invention is a seamless planographic printing plate precursor having, in order on the outer circumferential surface of a cylindrical support, a respective continuous easy-peeling primer layer and an ink-repellent layer.

The image processing method includes a step (a) of displaying on a display device a preview image of printed matter that reproduces a degree of a quality represented by a specified value that was set, a step (b) of, when a change instruction to change the degree of the quality is received, executing step (a) by using the specified value based on the change instruction, a step (c) of generating a print data that includes color ink information that is defined for printing a target image and that represents, in a predetermined fixed region, at least one of the size of dots of color ink to be recorded, the number of records of the dots, and an arrangement of the dots, and clear ink information that is defined based on the specified value and that represents, in a predetermined fixed region, at least one of the size of dots of clear ink to be recorded, the number of records of the dots, and an arrangement of the dots.

A moving image distribution method and a moving image distribution apparatus for reducing an increase in server load due to a change in a user's line of sight includes storing a video stream for each viewpoint of a plurality of viewpoints defined on a sphere with a camera as a point of observation, the video stream covering the sphere, and distributing the video stream to a user terminal. The distributing including distributing the video stream for the viewpoint other than a nearest viewpoint, corresponding to a line of sight determined by the user terminal, on the sphere.

An image reproduction device reproduces an image including N different parameters of a wavelength range or the like, and includes: a multiple hologram acquisition part that acquires N to 2N multiple holograms obtained by multiplex-recording interference patterns for each parameter; a parameter selection part that selects the parameters one by one; a hologram generation part that generates a computer generated hologram containing two lightwaves having the selected parameter, from the multiple hologram; and a lightwave restoration part that restores one of the two lightwaves from the computer generated hologram.

A display screen including an image reproduction unit with a control unit and detector for detecting a translation of the image reproduction unit relative to an initial position and / or a rotation of the image reproduction unit relative to an initial orientation and / or for detecting an absolute or relative position of the image reproduction unit with respect to a reference system. The image reproduction unit changes, for a portion of its image surface, the relative luminance distribution curve for contents displayed thereon along a direction R which is selectable but fixedly oriented with respect to the image reproduction unit when a translation path detected by the detector relative to the initial position is above a threshold value and / or a detected angle of rotation relative to the initial orientation is above a respective threshold value and / or the absolute position or relative position with respect to a reference system is outside a tolerance.