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Browse by Category: Main > Optical & Optics
Class Information
Number: 382/168
Name: Image analysis > Histogram processing
Description: Subject matter wherein a representation of the frequency of occurrence of image intensity or image features is used to derive properties of the image, to locate pattern*s within the image, or to otherwise process the image.










Sub-classes under this class:

Class Number Class Name Patents
382/171 For segmenting an image 485
382/172 For setting a threshold 394
382/169 With a gray-level transformation (e.g., uniform density transformation) 462
382/170 With pattern recognition or classification 621


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

Patent Number Title Of Patent Date Issued
8712216 Selection of hash lookup keys for efficient retrieval Apr. 29, 2014
8705859 Methods and systems for image data processing Apr. 22, 2014
8692872 3D glasses, method for driving 3D glasses, and system for providing 3D image Apr. 8, 2014
8693777 Apparatus and method for estimating edge areas of digital image Apr. 8, 2014
8687912 Adaptive overshoot control for image sharpening Apr. 1, 2014
8687911 Adaptive method for processing digital images, and an image processing device Apr. 1, 2014
8675060 Machine vision based obstacle avoidance system Mar. 18, 2014
8675962 Image correction processing circuit, semiconductor device, and image correction processing device Mar. 18, 2014
8675963 Method and apparatus for automatic brightness adjustment of image signal processor Mar. 18, 2014
8675964 Image fusion using intensity mapping functions Mar. 18, 2014
8670627 Method for evaluating video quality Mar. 11, 2014
8666156 Image-based backgrounds for images Mar. 4, 2014
8666152 Digital video content fingerprinting using image pixel intensity and color information Mar. 4, 2014
8666150 Pixel processing method and apparatus thereof Mar. 4, 2014
8666148 Image adjustment Mar. 4, 2014
8665290 Image-based source gamut adjustment for compression-type gamut mapping algorithm Mar. 4, 2014
8659619 Display device and method for determining an area of importance in an original image Feb. 25, 2014
8649559 Method and interface of recognizing user's dynamic organ gesture and electric-using apparatus using the interface Feb. 11, 2014
8649560 Method and interface of recognizing user's dynamic organ gesture and electric-using apparatus using the interface Feb. 11, 2014
8649597 Image processing apparatus and control method thereof detecting from a histogram a gradation level whose frequency is a peak value Feb. 11, 2014
8644607 Method and apparatus for image processing Feb. 4, 2014
8644638 Automatic localized adjustment of image shadows and highlights Feb. 4, 2014
8639042 Hierarchical filtered motion field for action recognition Jan. 28, 2014
8639031 Adaptive contrast adjustment techniques Jan. 28, 2014
8630504 Auto-focus image system Jan. 14, 2014
8625861 Fingerprint representation using gradient histograms Jan. 7, 2014
8620062 Apparatus and method of detecting a rotational setting of plastics material pre-forms Dec. 31, 2013
8620067 Image processing apparatus and computer readable medium Dec. 31, 2013
8620075 Image processing device and method Dec. 31, 2013
8620099 Method, medium, and apparatus representing adaptive information of 3D depth image Dec. 31, 2013
8611658 Image processing apparatus and image processing method Dec. 17, 2013
8611641 Method and apparatus for detecting disparity Dec. 17, 2013
8611586 Fast target extraction from thermal imagery Dec. 17, 2013
8610735 Image converting device and three dimensional image display device including the same Dec. 17, 2013
8605957 Face clustering device, face clustering method, and program Dec. 10, 2013
8606007 Image processing apparatus and method Dec. 10, 2013
8606008 Image processing device, image processing method, image processing program, and integrated circuit Dec. 10, 2013
8606009 High dynamic range image generation and rendering Dec. 10, 2013
8606012 Image processing method and image processor Dec. 10, 2013
8600168 Methods and systems for image processing of microfluidic devices Dec. 3, 2013
8600158 Method and system operative to process color image data Dec. 3, 2013
8600108 Data processing system and method Dec. 3, 2013
8600107 Interactive input system and method Dec. 3, 2013
8599318 Contrast control device and method therefor Dec. 3, 2013
8594370 Vulnerable road user protection system Nov. 26, 2013
8594423 Automatic background identification in video images Nov. 26, 2013
8594445 Fast bilateral filtering using rectangular regions Nov. 26, 2013
8582889 Scale space normalization technique for improved feature detection in uniform and non-uniform illumination changes Nov. 12, 2013
8582881 Method and apparatus for modifying an image by using a saliency map based on color frequency Nov. 12, 2013
8582880 Method and apparatus for calculating features of image data Nov. 12, 2013

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