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462results about How to "Enhance details" patented technology

Conformal thermal interface material for electronic components

A thermally-conductive interface for conductively cooling a heat-generating electronic component having an associated thermal dissipation member such as a heat sink. The interface is formed as a self-supporting layer of a thermally-conductive material which is form-stable at normal room temperature in a first phase and substantially conformable in a second phase to the interface surfaces of the electronic component and thermal dissipation member. The material has a transition temperature from the first phase to the second phase which is within the operating temperature range of the electronic component.
Owner:PARKER INTANGIBLES LLC

Handheld diagnostic ultrasound system with head mounted display

A handheld diagnostic ultrasound device is disclosed which is pocket sized, lightweight and is designed for clear imaging under adverse lighting conditions by utilizing a custom Head Mounted Display (HMD). The handheld diagnostic ultrasound device comprises a removable probe and a removable HMD that connects to the personal digital assistant (PDA) style control unit. The handheld diagnostic ultrasound device may be viewed on the VGA LCD Display on the diagnostic ultrasound device or on the HMD. Images obtained may be stored to a secure digital flash or transferred via USB (Universal Serial Bus) or wireless link to a remote computer system for further processing or archiving. The handheld diagnostic ultrasound device is based on a dual-core processor that achieves a level of integration not previously attainable in a handheld diagnostic ultrasound device.
Owner:SONOPAD

Demand side management module

A household appliance system and method include an appliance control system having a common appliance interface provided on an appliance and a demand side management module connected to the common appliance interface. The module corresponds to one select utility of a plurality of utilities and is adapted to communicate with the one select utility of the plurality of utilities. The appliance control system operates the appliance based on communications with the one select utility through the module.
Owner:HAIER US APPLIANCE SOLUTIONS INC

Secure item identification and authentication system and method based on unclonable features

The present invention is a method and apparatus for protection of various items against counterfeiting using physical unclonable features of item microstructure images. The protection is based on the proposed identification and authentication protocols coupled with portable devices. In both cases a special transform is applied to data that provides a unique representation in the secure key-dependent domain of reduced dimensionality that also simultaneously resolves performance-security-complexity and memory storage requirement trade-offs. The enrolled database needed for the identification can be stored in the public domain without any risk to be used by the counterfeiters. Additionally, it can be easily transportable to various portable devices due to its small size. Notably, the proposed transformations are chosen in such a way to guarantee the best possible performance in terms of identification accuracy with respect to the identification in the raw data domain. The authentication protocol is based on the proposed transform jointly with the distributed source coding. Finally, the extensions of the described techniques to the protection of artworks and secure key exchange and extraction are disclosed in the invention.
Owner:UNIVERSITY OF GENEVA

Personalized clothing recommendation system and method

A method and system provides an automated clothes shopping recommendation based on personal style information that defines one or more attributes of clothing articles and / or clothing styles preferred selected by a user, and based on measurement information that defines one or more physical user measurements. On-site direction assistance is provided to the user based on the measurement information through provision of an augmented reality display on a mobile electronic device.
Owner:PAYPAL INC

Memory Management In Event Recording Systems

A vehicle event recorder is provided that includes a camera for capturing a video as discrete image frames, and that further includes a managed loop memory and a management system for generating a virtual ‘timeline dilation’ effect. To overcome size limits in the buffer memory of the video event recorder, the maximum time extension of a video series is increased by enabling a reduction in temporal resolution in exchange for an increase in the temporal extension. Memory cells are overwritten in an ‘interleaved’ fashion to produce a reduced frame rate for the recording of certain time periods connected to an event moment. In time periods furthest from the event moment, the resulting frame rate is minimized while in time periods closest to the event moment, the resulting frame rate is maximized.
Owner:SMARTDRIVE SYSTEMS

FPGA (field programmable gate array)-based infrared image detail enhancing system and method

The invention discloses an FPGA (field programmable gate array)-based infrared image detail enhancing system and method. The system comprises a bilateral filtering module, a gaussian filtering module, a histogram projecting module and an automatic gain control module, wherein the bilateral filtering module is connected with the gaussian filtering module which is connected with the histogram projecting module and the automatic gain control module respectively, and original input data firstly passes through the bilateral filtering module to obtain image pattern fundamental frequency information; the fundamental frequency information passes through the gaussian filtering module to be smoothened, and differencing is carried out between a result and the original input data so as to obtain image detail information; and the detail information is amplified by the automatic gain control module, the fundamental frequency information is compressed by the histogram projecting module, and the detail information and the fundamental frequency information are summed to obtain an output image. According to the invention, the contrast ratio of the image can be improved, the detail information can be enhanced, background noise can be restrained, and the common problems that the edge is fuzzy and a visual effect is poor in the image of a thermal infrared imager imaging system in the prior art can be solved.
Owner:NANJING UNIV OF SCI & TECH

Extrapolation of nonresident mipmap data using resident mipmap data

A multi-threaded graphics processor is configured to use to extrapolate low resolution mipmaps stored in physical memory to produce extrapolated texture values while high resolution nonresident mipmaps are retrieved from a high latency storage resource and converted into resident mipmaps. The extrapolated texture values provide an improved image that appears sharper compared with using the low resolution mipmap level texture data in place of the temporarily unavailable high resolution mipmap level texture data. An extrapolation threshold LOD is used to determine when extrapolated magnification or minification texture filtering is used. The extrapolation threshold LOD may be used to smoothly transition from using extrapolated filtering to using interpolated filtering when a nonresident mipmap is converted to a resident mipmap.
Owner:NVIDIA CORP

Image type fire flame identification method

The invention discloses an image type fire flame identification method. The method comprises the following steps of 1, image capturing; 2, image processing. The image processing comprises the steps of 201, image preprocessing; 202, fire identifying. The fire identifying comprises the steps that indentifying is conducted by the adoption of a prebuilt binary classification model, the binary classification model is a support vector machine model for classifying the flame situation and the non-flame situation, wherein the building process of the binary classification model comprises the steps of I, image information capturing;II, feature extracting; III, training sample acquiring; IV, binary classification model building; IV-1, kernel function selecting; IV-2, classification function determining, optimizing parameter C and parameter D by the adoption of the conjugate gradient method, converting the optimized parameter C and parameter D into gamma and sigma 2; V, binary classification model training. By means of the image type fire flame identification method, steps are simple, operation is simple and convenient, reliability is high, using effect is good, and the problems that reliability is lower, false or missing alarm rate is higher, using effect is poor and the like in an existing video fire detecting system under a complex environment are solved effectively.
Owner:东开数科(山东)产业园有限公司

Gray scale image fitting enhancement method based on local histogram equalization

InactiveCN105654438ASuppresses "cold reflection" imagesEvenly distributedImage enhancementImage analysisImage contrastBlock effect
The invention provides a gray scale image fitting enhancement method based on local histogram equalization. The gray scale image fitting enhancement method has advantages of improving gray scale image contrast and detail information and eliminating block effect and over-enhancement. The gray scale image fitting enhancement method comprises the steps of performing segmental linear transformation on a gray scale image in an overwide dynamic range, obtaining the gray scale image in an appropriate dynamic range, dividing an image gray scale distribution interval to two segments to multiple segments, adjusting the gradient of a segmenting point and a transformation line of each image gray scale distribution interval, performing expansion or compression on a random gray scale interval; performing subblock part overlapping histogram equalization on a transformation result, obtaining the transformation function of the current subblock through performing weighted summation on a subblock transform function in the neighborhood, performing histogram equalization processing on the current subblock by means of the transformation function; and performing nonlinear fitting on the gray scale map after histogram equalization, and performing histogram distribution correction on the gray scale image after subblock part overlapping histogram equalization.
Owner:SOUTH WEST INST OF TECHN PHYSICS

Systems and methods for multi-stream image processing

Systems and methods for the processing of images over bandwidth-limited transmission interfaces, such as processing of high resolution video images over standard analog video interfaces, using multi-stream and / or multi-resolution analog methodology. The disclosed systems and methods may also be implemented to provide video resolutions across standard analog video interfaces in a manner that supports digital capture and imaging techniques obtain useful information from digitally zoomed and enhanced video.
Owner:UTC FIRE & SECURITY AMERICAS CORPORATION INC

Infrared and visible light image merging method

InactiveCN1545064AReduce the impactEnhance edge and detail informationImage enhancementMulti resolutionImaging quality
The invention relates to an infrared- and visible light- image fusion method, on the basis of multiresolution decomposition for the infrared- and visible light- images, utilizing their different imaging properties to obtain the relative 'object'- and 'background'- data from them, and thus dividing the fusion image into a background area, an object area and an edge part between the two areas, and then respectively adopting three different fusion rules to determine the multiresoluton expression of the fusion image, and finally making multiresolution reverse-transformation to obtain the fusion image. By an object area-based method, it fuses the infrared- and visible light- images of the same scene, and largely improves the image quality all the more.
Owner:SHANGHAI JIAO TONG UNIV

Systems and methods for digitally re-mastering or otherwise modifying motion pictures or other image sequences data

A process and methods of digital enhancement of motion pictures and other moving image sequences for the purpose of being exhibited in an alternative display format including a large format cinema are disclosed. The invention efficiently enhances image resolution and quality through a temporal filtering process and achieves high performance using automated or interactive statistical quality evaluation methods. A system specially designed for efficient temporal computing with a parallel and distributed computing configuration equipped with a variety of optimization schemes is also disclosed. The performance of the process and the system is optimized through an intelligent controller and is scalable to support any throughput requirements demanded for concurrent motion picture releases in the original format as well as in any alternative format.
Owner:IMAX CORP

Visible light image and infrared image fusion processing system and fusion method

The invention relates to a visible light image and infrared image fusion processing system and a fusion method. The fusion processing system comprises an image acquisition module, an image fusion module and an image display module, wherein the image fusion module is connected with the image acquisition module and the image display module. By adoption of the fusion method, the fusion ratio of a visible light image to an infrared image can be adjusted according to requirements, and detailed images are filtered and compared and then enhanced, so that detail information of a fused image is improved, and noise interference is avoided. Furthermore, fusion weights of the visible light image and the infrared image and the detail enhancement degree can be flexibly controlled through external parameter adjustment, and thus various display requirements are met.
Owner:WUHAN GUIDE INFRARED CO LTD

Video noise reduction device and video noise reduction method

The invention discloses video noise reduction device and a video noise reduction method. The method comprises the following steps of: obtaining a brightness difference histogram of a current image by using a denoising result of a previous frame of image and a gradient magnitude histogram of the current image; carrying out noise level evaluation on the current image according to the brightness difference histogram; calculating the spatial distance of any two pixel points in the current image, so as to obtain the spatial similarity of the any two pixel points; carrying out denoising on the current image according to the spatial similarity; calculating a pixel time domain distance between any pixel point in the current image and the pixel point at the position corresponding to the previous frame of denoised image, and calculating the corresponding time domain similarity; carrying out three-dimensional recursive denoising on the video image according to the obtained time domain similarity, the spatial similarity denoising result and the previous frame of denoising result. By adopting the device and method disclosed by the invention, three-dimensional recursive denoising is carried out by using the pertinence of the pixel in space and time, so that strong complicated noise can be removed; an image detail can be kept; the stability of the denoising effect also can be ensured.
Owner:SHANGHAI TONGTU SEMICON TECH

Image enhancement and partition method

The invention discloses an image enhancement and partition method, which comprises the following steps of I, image enhancement: a processor and an image enhancement method based on fuzzy logic are adopted for performing enhancement processing on an image needing to be processed, and the process is as follows: i, converting from an image domain to a fuzzy domain: mapping the grey value of each pixel point of the image needing to be processed to a fuzzy membership degree of a fuzzy set according to a membership function (shown in the specifications); ii, performing fuzzy enhancement processing by utilizing a fuzzy enhancement operator in the fuzzy domain; iii, converting from the fuzzy domain to the image domain; II, image partition: partitioning a digital image subjected to enhancement processing, i.e. a to-be-partition image, according to an image partition method based on a three-dimensional fuzzy division maximum entropy. The method is simple in steps, reasonable in design, convenient to realize, good in processing effect and high in practical value, and an image enhancement and partition process can be simply, conveniently and quickly completed with high quality.
Owner:XIAN UNIV OF SCI & TECH

Systems and methods for multi-resolution image processing

Systems and methods for the processing of images over bandwidth-limited transmission interfaces, such as processing of high resolution video images over standard analog video interfaces, using multi-stream and / or multi-resolution analog methodology. The disclosed systems and methods may also be implemented to provide video resolutions across standard analog video interfaces in a manner that supports digital capture and imaging techniques to obtain useful information from digitally zoomed and enhanced video.
Owner:GE SECURITY INC

3D indoor modeling method, system and device based on point cloud data

The present application discloses a 3D indoor modeling method based on point cloud data. After pre-processing the raw point cloud data, the normal vectors and curvature values of the point cloud data are obtained through local surface properties analysis. By 3D point segmentation, the initial planes can be obtained. After performing the room layout re-construction, an initial 3D model can be generated. Finally, in combination with the returned laser pulse and the distance between the wall surface-objects and the wall surface, the specific form of the wall surface-object is reconstructed to achieve high-precision 3D modeling of complex indoor scenes. The method does not need any prior knowledge in advance, and strengthens the recognition and re-construction of the specific form of the wall surface, particularly suitable for high-precision 3D modeling of indoor scenes with high complexity.
Owner:THE HONG KONG POLYTECHNIC UNIV

Three dimensional imaging method and apparatus

Three-dimensional imaging techniques are used for a visualization method and apparatus. In a preferred embodiment, terrain data is displayed as a series of pixels—areas of terrain elevation data. Individual pixels are analyzed to determine whether they are locally smooth or “warpable” relative to their surrounding neighbor pixels. Those pixels that are locally relatively “smooth,” i.e., those satisfying a given set of criteria, are joined with adjacent neighbor pixels by a process referred to herein as “warping” to create “smooth,” gap-free surfaces. A preferred embodiment includes drawing or generating lines between the centers of two pairs of adjacent pixels to determine a slopes m1 and m2 respectively. The slopes m1 and m2 are then analyzed using the following equations / determinations: |m1∥≦mmax; |m2∥≦mmax; and |m1−m2|≦Δmax; i.e., the slopes m1 and m2 must each be less than or equal to a predetermined threshold mmax and the difference between the slopes must be less than or equal to a predetermined difference Δmax.
Owner:UNITED STATES OF AMERICA THE AS REPRESENTED BY THE SEC OF THE ARMY

Low-light-level image enhancement algorithm based on parabolic function

ActiveCN104240194AImprove the expressiveness of detailsAvoid color saturationImage enhancementDistortionParabolic function
The invention discloses a low-light-level image enhancement algorithm based on a parabolic function to overcome the defects that an existing low-light-level image enhancement algorithm is large in calculated amount, the color distortion is serious, and the contrast ratio is low. According to the algorithm, firstly, the illumination situation of an image is measured according to the distribution situation of a histogram; secondly, segmented parabolic functions with different parameters are adopted for images with different illumination classifications to carry out the self-adaptation illumination enhancement; thirdly, equivalent-ratio enhancement is carried out on RGB channels, the colors are kept unchangeable, and a primary enhancement image is obtained; to increase the speed, the image is converted to the YUV color space, only the luminance component Y is denoised through guiding filtering, and the RBG color space is restored; lastly, detail compensation is carried out on the filtered image to obtain the final enhancement image. According to the method, the visual effect can be effectively improved without losing the image information, and the effect is superior to the effect of other methods. According to the method, the enhancement effect on the low-light-level image is obvious, the processing speed is high, and the high practicality is achieved.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Method and apparatus for enhancing detail based on noise elimination, and method and apparatus for calculating noise weight

A method to enhance detail of an image based on noise elimination includes calculating a noise weight corresponding to a probability that a center pixel, located in a block of pixels of a region of the image, is noise by using a difference between the center pixel and a surrounding pixel located in the block of pixels, calculating a first substitution value for the center pixel based on the noise weight; and calculating a second substitution value for the center pixel by using the noise weight and a sharpen filter.
Owner:SAMSUNG ELECTRONICS CO LTD

Method for processing inputted high dynamic range image and display device

The embodiment of the present invention discloses a method for processing an inputted high dynamic range image and a display device and relates to the technical field of the display. The method and the display device are used for solving the problems of loss of image details, reduced contrast, color distortion and the like caused by the display of an HDR image or a video signal on a medium according to a method of the prior art. The method comprises a step of searching a tone mapping contrast coefficient table in each scene for a brightness value of each pixel point to obtain a tone mapping contrast coefficient of each pixel point in each scene, a step of weighting the tone mapping contrast coefficient of a same pixel point in each scene, and a step of taking the weighted tone mapping contrast coefficient as a color compensation coefficient, carrying out color compensation on each pixel point, and carrying out output.
Owner:上海顺久电子科技有限公司

Supplementation mechanism and PCNN-based NSCT domain image fusion method

ActiveCN107194904AOvercoming loss of texture detailOvercoming distortion deficienciesImage enhancementImage analysisImaging qualityWavelet transform
The invention discloses a supplementation mechanism and PCNN-based NSCT domain image fusion method, and aims at solving the technical problem that the existing NSCT image fusion methods have image distortion phenomena. The technical scheme of the method is carrying out fusion processing on low-frequency sub-bands decomposed by NSCT by adoption of supplementary wavelet transform so as to retain detailed information of image backgrounds as much as possible, carrying out fusion by utilizing an improved Gaussian weighted SML method so as to enhance the image details, and carrying out fusion by utilizing an edge gradient information incentive PCNN method so as to enhance image edge information. Experiments prove that when being compared with the existing image fusion methods, the method disclosed by the invention has better fusion effect and has the advantages of greatly improving the target significance and further improving the image quality while overcoming the texture detail deficiency and distortion deficiency of images.
Owner:NORTHWESTERN POLYTECHNICAL UNIV +1
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