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Image Analysis > Histogram Processing

Histogram Processing

Histogram Processing patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

07/10/14 - 20140193070 - Noise estimation apparatus and method thereof
A noise estimation apparatus for calculating a noise estimation value of a frame of an image is provided. The noise estimation apparatus includes a distribution calculation unit, a variance calculation unit, a distribution curve generation module and a noise estimation unit. The distribution calculation unit generates a pixel distribution according...

06/05/14 - 20140153826 - System for histogram computation
A system and method includes reception of a first image data value of a digital image, determination of a first index based on the first image data value, determination of a value stored in a first array of a first shared memory at the first index, and determination of whether...

03/06/14 - 20140064615 - Method and device for denoising videos based on non-local means
Disclosed is a method and a device for denoising a video based on non-local means, which is capable of making self-adaptive adjustment in response to illumination variance of the frame in the video....

02/20/14 - 20140050399 - Log-chromaticity clustering pipeline for use in an image process
In a first exemplary embodiment of the present invention, an automated, computerized method is provided for processing an image. According to a feature of the present invention, the method comprises the steps of providing an image file depicting an image defined by image locations, in a computer memory, generating a...

12/12/13 - 20130330001 - Image fusion using intensity mapping functions
Techniques to improve image fusing operations using intensity mapping functions (IMFs) are described. In one approach, when a reference image's pixel values are within its' IMF's useful range, they may be used to generate predicted secondary image pixel values. When the reference image's pixel values are not within the IMF's...

10/31/13 - 20130287298 - Deriving multidimensional histogram from multiple parallel-processed one-dimensional histograms to find histogram characteristics exactly with o(1) complexity for noise reduction and artistic effects in video
One dimensional (1D) histograms, one for each row of an image, are determined simultaneously and in parallel with each other to achieve an O(1) time complexity, and are then added to determine a two dimensional (2D) histogram from which desired characteristic values such as median, minimum, and maximum can be...

10/10/13 - 20130266221 - Image processing method, image processing system, and image processing program
The present invention relates to an illumination spectrum estimation method in which an illumination spectrum is calculated on the basis of weather information....

10/03/13 - 20130259369 - Image analysis for determining characteristics of pairs of individuals
Embodiments include methods for predicting one or more characteristics of an individual, such as a human or non-human animal, by applying computational methods to image(s) of the individual to generate one or more metrics indicative of the characteristics. Embodiments determine predictors of characteristics by creating a sample library of individuals,...

09/19/13 - 20130243319 - Method and apparatus for deblurring non-uniform motion blur in large scale input image based on tile unit
Provided is a method and apparatus for deblurring a non-uniform motion blur in an input image, that may restore a clearer image by dividing a large scale input image into tiles corresponding to partial areas, selecting, among the divided tiles, an optimal tile for a partial area most suitable for...

09/12/13 - 20130236097 - Embedded graphics coding for images with sparse histograms
Processes for compressing images with sparse histograms are disclosed. The image is divided into blocks, and a bit budget is assigned for each block. The pixels of a block are converted and coded bit-plane by bit-plane, starting from the Most Significant Bit (MSB) and going towards the Least Significant Bit...

08/01/13 - 20130195358 - Method and apparatus for enhancing visual search
Various methods are described for improving the compression of location information during a visual search. One example method may comprise identifying one or more features of a source query image for a visual search. The method may further comprise generating a histogram map comprising one or more histogram bins, wherein...

05/23/13 - 20130129215 - Method and system for describing image region based on color histogram
A method and system for describing image region based on color histogram is provided. The method for describing an image region based on color histogram comprising: a color quantization step for quantizing said image region into a quantized color region, wherein a specific color range and colors outside the specific...

04/04/13 - 20130084005 - Image processing device and method for processing image
The present invention relates to an image processing device and a method for processing an image. The image processing device includes a brightness improvement unit to improve a brightness of inputted images by increasing a brightness of a dark image more darker than a knee point among inputted images with...

03/14/13 - 20130064449 - Method for reducing row and column noise in imaging systems
A method for the reduction of noise in an image including identifying neighboring pixel values in pixels proximate to a subject pixel; comparing the neighboring pixel values to a preset tolerance range; using neighboring pixel values within the tolerance range to calculate a pixel intensity correction value; and applying the...

02/28/13 - 20130051667 - Image recognition to support shelf auditing for consumer research
Image recognition methods, apparatus and articles or manufacture to support shelf auditing for consumer research are disclosed herein. An example method disclosed herein comprises comparing an input image depicting a shelf to be audited with a set of reference images depicting reference shelves displaying respective sets of reference items, identifying...

02/28/13 - 20130051668 - Method and system for generating enhanced images
A method of generating an image enhancement function for enhancing an input image comprising a plurality of pixels to form an enhanced output image. The method includes receiving a reference image comprising a plurality of pixels; receiving an enhanced image derived from the reference image comprising a corresponding plurality of...

02/14/13 - 20130039576 - Method and device for analyzing an image of an image recording device for a vehicle
In a method for analyzing an image of an image recording device for a vehicle, a piece of brightness information of the image is determined, taking an exposure characteristic of the image recording device into account, and a threshold value is set as a function of the piece of brightness...

01/31/13 - 20130028515 - Image processing apparatus and method
Provided is an image processing apparatus which includes a histogram generating unit that generates a histogram representing an appearance frequency distribution of a pixel value of an input image, and a quantization table generating unit that generates a quantization table including table information used to perform transform of a bit...

12/27/12 - 20120328194 - Image processing method, image display method, image processing apparatus and a non-transitory computer-readable recording medium
An image processing method of picking up an image of a substrate and converting pixel values of the picked-up substrate image makes the pixel values of the picked-up substrate image into a histogram, and creates a tone curve T composed of a periodic function of a predetermined amplitude and a...

11/01/12 - 20120275699 - Change analyst
A method of determining change in a state of an object using images of the object, the method including providing a first image and a second image of the object, the first image and the second image being spaced apart in time, performing a plurality of pixel-based change detection algorithms...

11/01/12 - 20120275700 - Method and apparatus for enhancing images
A method and an apparatus for enhancing images are provided. An input image generated by an imaging device, such as a short-wavelength infrared (SWIR) camera, sensor, or any other imaging device, is processed to produce an input histogram representing the distribution of pixel intensities in the input image. Histogram start...

09/27/12 - 20120243784 - Image processing device and method
There is provided an image processing device which transforms an image with a bit depth of N into an upper layer with a bit depth of M and a remaining lower layer, including a histogram unit that generates histogram indicating occurrence frequency of each pixel value of an image with...

09/06/12 - 20120224771 - Image processing system and method
An image processing system and an image processing method are disclosed. The image processing method executable on a computer, the image processing method comprises obtaining an image; obtaining an intermediate image by scaling down the image; calculating an image level distribution of the intermediate image; determining a relatively small image...

08/30/12 - 20120219218 - Automatic localized adjustment of image shadows and highlights
The shadows and highlights regions of an image can be automatically optimized in a localized manner. A mask can be generated that can automatically identify local regions of a digital image as highlight regions or shadow regions. Different processing can then be automatically applied to highlight regions separately from the...

08/30/12 - 20120219219 - Image processing apparatus, storage medium storing image processing program, and image processing method
An image processing apparatus includes; a generation unit to generate a histogram of luminance values of a plurality of pixels included in an image; a luminance value calculation unit to calculate a first luminance value at which first ratio pixels of the plurality of pixels are present in descending order...

08/16/12 - 20120207386 - Updating a low frame rate image using a high frame rate image stream
Technology is described for enhancing low frame rate media or static images using higher-frame rate information. An example method can update a static image using a video stream. The method can obtain the video stream from a video source, and the video stream can be aligned to the static image....

08/16/12 - 20120207387 - Method and apparatus for multi-dimensional content search and video identification
A multi-dimensional database and indexes and operations on the multi-dimensional database are described which include video search applications or other similar sequence or structure searches. Traversal indexes utilize highly discriminative information about images and video sequences or about object shapes. Global and local signatures around keypoints are used for compact...

03/29/12 - 20120076406 - System and method for progressive band selection for hyperspectral images
Disclosed herein are systems, methods, and non-transitory computer-readable storage media for progressive band selection for hyperspectral images. A system having module configured to control a processor to practice the method calculates a virtual dimensionality of a hyperspectral image having multiple bands to determine a quantity Q of how many bands...

02/16/12 - 20120039532 - Method of gathering statistics of gray distribution of image
A method of gathering statistics of gray distribution of an image in an image processing device is provided. The method includes determining gray information of a plurality of data of an input image, wherein each piece of information corresponds to a count value. In addition, a fixed value is sequentially...

02/09/12 - 20120033884 - Apparatus and method for estimating edge areas of digital image
There are provided an apparatus and a method for estimating edge areas of pixels in a digital image to thereby prevent an edge sharpening algorithm from being applied to non-edge area of the digital image. Therefore, the apparatus can accurately determine whether each pixel is in an edge area or...

02/09/12 - 20120033885 - Apparatus for improving sharpness of image
There is provided an apparatus for improving the sharpness of an image, which may prevent occurrence of distortion of an image in an edge enhancement process of the image by applying an active weight in accordance with a two-dimensional (2D) high pass filtering value of the image. The apparatus may...

01/05/12 - 20120002875 - Methods and systems for image data processing
Methods, storage mediums, and systems for image data processing are provided. Embodiments for the methods, storage mediums, and systems include configurations to perform one or more of the following steps: background signal measurement, particle identification using classification dye emission and cluster rejection, inter-image alignment, inter-image particle correlation, fluorescence integration of...

12/29/11 - 20110317919 - Producing structure-based ascii pictures
Provided are methods and devices for producing an ASCII picture from a vector outline image. The method comprises rasterizing the vector outline image into a plurality of grid cells, at least one of which has a reference image; matching each reference image with an ASCII character based on log-polar histograms...

12/08/11 - 20110299774 - Method and system for detecting and tracking hands in an image
A method and system for detecting and tracking hands in an image. The method for detecting and tracking hands in an image comprises the steps of calculating a first probability map comprising of probabilities that respective pixels in the image corresponds to skin based on colour information associated with the...

10/06/11 - 20110243440 - Adaptive light method and system for low power architectures
Embodiments of an apparatus, system and method are described for an adaptive light method for low power architecture. A histogram with a plurality of bins may be determined based on luminance for an image. A tone differential may be decreased based on a sum of pixel counts from adjacent bins....

09/22/11 - 20110229028 - Image processing apparatus and image processing method
According to one embodiment, an image processing apparatus includes a decoder, a first sharpening module, and a second sharpening module. The decoder decodes an encoded image to obtain a decoded image. The first sharpening module performs first sharpening on the decoded image. The second sharpening module performs second sharpening on...

09/22/11 - 20110229029 - Selective diffusion of filtered edges in images
An edge-preserving diffusion filter maintains the sharp edges in images while smoothing out image noise. An edge-preserving diffusion filter applies an edge-preserving smoothing filter to an image to form a filtered image. The modified image is then blurred by a blurring filter to form a blurred image. The modified image...

09/15/11 - 20110222766 - Image processing method and image processing device
An edge code histogram of a model generated in a model image is registered. A target region with respect to the input image is set. An edge code histogram, for the target region is generated. A relative positional relationship between the edge code histogram of the model and the edge...

08/18/11 - 20110200251 - Band weighted colour histograms for image retrieval
A method of image retrieval from a target image collection, including segmenting a query image into two or more bands, obtaining weighted colour histogram vectors for the two or more bands in the query image, and obtaining weighted colour histogram vectors for two or more bands in a target image....

08/11/11 - 20110194766 - Image processing device, image processing method and program
An image processing device calculates a frequency of a pixel value for each block, generates a first histogram formed by N bins, mixes the first histogram of a high luminance block and the first histogram of each block, and thereby generates a second histogram for each block. Based on the...

08/11/11 - 20110194767 - Image encoding apparatus and control method therefor
An encoding unit separates converted coefficients obtained by frequency conversion into the upper-bit portion that is higher than a bit position specified by a boundary bit position determined when the previous macro block is encoded and the lower-bit portion, performs encoding on the upper-bit portion and outputs the encoded data...

06/02/11 - 20110129149 - Method and apparatus for processing digital image signal, recording medium having recorded thereon the method, and apparatus for processing digital image signal
Provided are a method and apparatus for processing a digital image signal, and a recording medium having recorded thereon the method, in which an image including a subject is generated, a subject region is formed by detecting the subject from the image, the subject region is divided into at least...

05/26/11 - 20110123112 - Method and apparatus for improving the stability of histogram correlation algorithm
A method and apparatus for improving stability of histogram correlation based image and video processing algorithms. The method includes computing a histogram for target signal and reference signal for generating a target histogram and a reference histogram, performing low pass filtering of the input signal and the reference signal and...

05/12/11 - 20110110589 - Image contrast enhancement
The subject application is directed to a system and method for image contrast enhancement. Input image comprised of digitally encoded image data is received into a data processor, including an associated data storage, and histogram data is generated corresponding to received image data. Acceptability of received image data is determined...

05/05/11 - 20110103687 - Image processing method an imaging device module
There are provided an image processing method and an imaging device module capable of properly calculating a black level when brightness on the positive maximum value side in a brightness histogram of an optical black region are clipped to an upper limit brightness, that is, when brightness on the positive...

04/28/11 - 20110096988 - Image enhancement method and apparatuses utilizing the same
An image enhancement apparatus is provided. The image enhancement apparatus includes a global contrast curve generator, a local contrast curve generator and an image generator. The global contrast curve generator generates a global contrast curve for an input image according to a global histogram of the input image. The local...

03/31/11 - 20110075925 - Film scanning method
A film scanning method is provided. When the film is judged as a negative film, the scanning device sets the scan exposure time for the film according to the base background color of the film. The negative film is scanned for the scan exposure time, wherein, the film passes through...

03/10/11 - 20110058738 - Video processing apparatus and video processing method
According to one embodiment, a video processing apparatus includes a histogram generator, a tone curve generator, a blend parameter generator, and a blending module. The histogram generator generates a histogram based on a luminance level of a pixel of a video signal. The tone curve generator generates a first tone...

03/03/11 - 20110052059 - Generating image histogram by parallel processing
A histogram is generated. An image is input, and a pixel value is assigned to each pixel of the input image. A set of bin indexes is defined, with each bin index representing one or more possible numerical values for a pixel. A parallel sort is applied to the pixel...

02/24/11 - 20110044541 - System and method for backlit image detection
The subject application is directed to a system and method for detecting backlit images. Encoded color image data is first received into a computer having a processor and associated data storage. Histogram data is then calculated from the received encoded color image data, and a mid-tone range in normalized histogram...

01/20/11 - 20110013834 - Apparatus and method for feature-based dynamic contrast enhancement
A feature-based contrast enhancement apparatus comprises a histogram calculator, a feature value calculator, a first combining circuit, a histogram equalizer and a remapper. By keeping the hardware cost as low as a picture-based contrast enhancement apparatus, the invention has an advantage of suppressing the background noise and enhancing the image...

01/20/11 - 20110013835 - Contact area measurement device and method for measuring contact area
A novel contact area measuring apparatus is provided. The contact area measuring apparatus includes a light transmissive substrate 6 in contact with a specimen 7, illumination means for illuminating the light transmissive substrate 6 with white light from the opposite side of the light transmissive substrate 6 to the specimen...