18 results about "Image generation" patented technology

An image generator having an illuminator, a reflective display device (in one embodiment) and a beamsplitter which produces a virtual image of an image created in a light modulating medium on said reflective display device. In one embodiment, the image generator is a miniature image generator for a relatively small, lightweight head-mounted display which provides a magnified virtual image which is viewed by a viewer. The beamsplitter is optically coupled to the reflective display device. The beamsplitter comprises a film having a plurality of layers including at least a first layer which comprises an oriented birefringent material. The beamsplitter has a wide angle of acceptance.

The invention relates to a three-dimensional pavement crack image generation system and method. The system includes an information acquisition subsystem, a data processing subsystem and the like, wherein the information acquisition subsystem includes an image acquisition module and a crack depth acquisition module; the image acquisition module includes a shooting control sub-module, a CCD line scan camera and a structured light projector; and the data processing subsystem includes an information storage module, an image registration module, a visible light image crack detection module, a structured light image space texture extraction module and an image fusion module. The method comprises the following steps: step S100, collecting sample crack information, and building a crack depth prediction model; step S200, collecting a target rack image, extracting crack features and space texture, and calculating the target crack depth. Compared with the prior art, the three-dimensional pavement crack image generation system and method provided by the invention are simpler and more feasible and high in accuracy, and have broad application prospects.

The invention discloses a CMOS image sensor dual-mode communication receiving system of an integrated photoelectric detector. The system comprises a CMOS image sensor of the integrated photoelectric detector, a 01 picture generation module, a threshold value generation module, a light source detection module, a gray image generation module, a high-speed communication signal processing module and a low-speed communication signal processing module. The CMOS image sensor of the integrated photoelectric detector outputs an image signal, a mark picture is generated through self-feedback by employing the threshold value generation module, the gray image generation module and the 01 picture generation module, a detected light source position is fed back to the CMOS image sensor of the integrated photoelectric detector via the light source detection module, a received communication signal is processed via the high-speed communication signal processing module and the low-speed communication processing module, high-speed communication information and low-speed communication information are outputted, and the reception of dual-mode communication is realized. According to the system disclosed by the invention, the accuracy of light source detection is effectively improved; and the system can be used in visible light communication.

An image processing apparatus (804) includes a function obtaining portion (804a) configured to obtain a first optical transfer function which is different depending on a shooting condition and on a position in an image, a corrected image generating portion (804b) configured to generate a corrected image from the image using the first optical transfer function, and an image restoration portion (804c) configured to perform blind deconvolution processing using the corrected image to generate a restored image.

The invention discloses a verifiable security steganography method based on an autoregression generation model, and the method employs denial sampling to replace original random sampling, thereby completing the embedding of a secret message. Meanwhile, in order to ensure the safety of the steganography system, self-adaptive arithmetic coding is utilized, the secret message is coded according to the probability obtained by the Pixel CNN, so that the secret message conforms to the original distribution of pixels, the whole steganography is synchronously completed in the image generation processof the Pixel CNN, and other information coding methods do not need to be additionally adopted.

The invention relates to a voice-based image generation method and device, equipment and a medium, and relates to the technical field of computers, wherein the voice-based image generation method comprises the steps: obtaining audio information of a to-be-processed voice, and obtaining a target sample image for the audio information; generating target mouth region feature information through a pre-trained first model according to the audio information; and according to the target mouth area feature information and the target sample image, generating target image information corresponding to the audio information through a pre-trained second model, wherein the second model is an image generator model trained based on weight information of the first model. According to the method, the image generation effect is ensured, the image reasoning generation efficiency is improved, and the problem that the reasoning generation speed is low when the digital human image is generated through reasoning in the prior art is solved.

An arbitrary viewpoint image generation method includes obtaining an original image set photographed by a plurality of cameras included in a camera array at each of at least one focal distance at a same time point; obtaining a multi-focus image set by generating a multi-focus image from the original image set for each of the at least one focal distance; and generating an arbitrary viewpoint image at a position where a viewpoint is to be moved from the multi-focus image set.

The invention provides an image processing device and an image processing method. The image processing device comprises at least one image capturing device and a processor. The processor receives the first image and the second image from the image capturing device and identifies an overlapping region between the first image and the second image. The processor analyzes the overlapping region to obtain a plurality of feature points, a first optical flow adjustment region and a second optical flow adjustment region, dividing the first optical flow adjustment area and the second optical flow adjustment area into a plurality of triangular blocks by using the feature points as vertexes, the corresponding triangular blocks in the first and second optical flow adjusted regions are mixed to form a stitched region, and the stitched region and a plurality of non-overlapping regions in the first and second images are combined to generate a stitched image. Therefore, the operation complexity is greatly reduced, the better image quality can be achieved, and the method is suitable for various real-time applications such as real-time operation of image splicing, three-dimensional image and image generation.

Embodiments of the invention provide a virtual distortion image generation method and device, and relates to the technical field of virtual reality. The method comprises the following steps: determining a to-be-rendered color parameter of each pixel point in an image plane of a virtual camera, wherein the to-be-rendered color parameter is obtained by mapping each virtual object in a three-dimensional simulation scene into an image plane under the condition that camera distortion does not exist; determining a distortion pixel point corresponding to each pixel point in the image plane based on a distortion parameter corresponding to a camera distortion type; and rendering the color parameter of each pixel point into the to-be-rendered color parameter of the distorted pixel point corresponding to each pixel point to obtain the virtual distortion image. Compared with the prior art, by applying the scheme provided by the embodiment of the invention, pixel loss in the virtual distortion image can be avoided, and image quality is improved.

The invention relates to an artistic style QR code generation method and system, and belongs to the technical field of QR code generation. The system comprises a standard QR code encoder, an initial optimization image generation module, a sampling simulation layer module, a neural network optimizer and an artistic style QR code output module. According to the method, an initial optimization image I is generated, a simulated QR code decoding result is obtained through sampling simulation layer convolution, coding loss can be calculated through a convolution result and a target QR code, style loss can be calculated through an initial image and an artistic style image, the coding loss and the style loss are subjected to weighted summation to obtain total loss, and pixel values in the image I are optimized and adjusted by a neural network optimizer, so that the total loss is minimized; and finally, an artistic style QR code I with an artistic style and high robustness is output. According to the method, the artistic style QR code can be directly generated end to end, and the method has relatively high scanning robustness.

A displacement measurement device includes: an obtainer that obtains a first image which contains a subject and a second image which contains the subject; a generator that generates M template images which contain the subject and which have noise from the first image and generates M target images which contain the subject and which have noise from the second image, M being an integer of 2 or higher; a hypothetical displacement calculator that calculates M hypothetical displacements of the subject from the M template images and the M target images; and a displacement calculator that calculates a displacement of the subject by performing statistical processing on the M hypothetical displacements.

The invention provides a one-object one-code spray printing method based on coding information. The method comprise the following steps of inputting the coding information into image generation equipment so as to generate a coding image; carrying out first verification on the generated coding image, and if the acquired coding information is consistent with coding information stored in an image read device, inputting a generated coded data packet into spray printing equipment; analyzing the coded data packet by the spray printing equipment before the spray printing and carrying out second verification on the coding image, and if the current coding information acquired after analyzing is consistent with the coding information in the coded data packet, carrying out spray printing on the coding image. The system which uses the above method comprises the image generation equipment, the spray printing equipment equipped with the image read device and an external image read device. In the invention, when the coding image is generated and before coding image spray printing is performed, the coding image can be verified so as to ensure that the coding image before the spray printing is an effective coding image and avoid ineffective coding image generation.