公开(公告)号：US20190236404A1

公开(公告)日：2019-08-01

申请号：US16383249

申请日：2019-04-12

申请人： CANON KABUSHIKI KAISHA

发明人： Yuichi Nakada ,  Shugo Higuchi

IPC分类号： G06K9/62 ,  G06T5/50 ,  G06T5/00

CPC分类号： G06K9/6215 ,  G06T5/005 ,  G06T5/008 ,  G06T5/50 ,  G06T2200/04 ,  G06T2207/10024 ,  G06T2207/10028 ,  G06T2207/20012 ,  G06T2207/30201

摘要： An image processing apparatus generates a normal image, when lighting correction of an image is performed using three-dimensional shape data. Three-dimensional shape data of a predetermined object is adjusted with a subject in position, based on a feature pattern detected in image data, and lighting processing for correcting a pixel value of the image data is performed based on the adjusted three-dimensional shape data, distance information of the subject, and a position of a virtual light source. When the three-dimensional shape data is adjusted with the image data in position, a region having a large irregularity in the three-dimensional shape data is preferentially adjusted in position.

公开(公告)号：US20190110054A1

公开(公告)日：2019-04-11

申请号：US16087241

申请日：2017-03-22

申请人： Dolby Laboratories Licensing Corporation

发明人： Guan-Ming Su ,  Jon Scott Miller ,  Walter J. Husak ,  Yee Jin Lee ,  Harshad Kadu

IPC分类号： H04N19/186 ,  H04N19/187 ,  H04N19/102 ,  H04N1/60 ,  H04N19/44

CPC分类号： H04N19/186 ,  G06T5/008 ,  H04N1/6027 ,  H04N1/6058 ,  H04N1/648 ,  H04N19/102 ,  H04N19/117 ,  H04N19/154 ,  H04N19/176 ,  H04N19/187 ,  H04N19/44 ,  H04N19/80 ,  H04N19/85 ,  H04N2201/3256

摘要： A tone-mapping function that maps input images of a high dynamic range into reference tone-mapped images of a relatively narrow dynamic range is generated. A luma forward reshaping function is derived, based on first bit depths and second bit depths, for forward reshaping luma codewords of the input images into forward reshaped luma codewords of forward reshaped images approximating the reference tone-mapped images. A chroma forward reshaping mapping is derived for predicting chroma codewords of the forward reshaped images. Backward reshaping metadata that is to be used by recipient devices to generate a luma backward reshaping function and a chroma backward reshaping mapping is transmitted with the forward reshaped images to the recipient devices. Techniques for the joint derivation of forward luma and chroma reshaping functions are also presented.

公开(公告)号：US20190108387A1

公开(公告)日：2019-04-11

申请号：US15976756

申请日：2018-05-10

申请人： Duelight LLC

发明人： William Guie Rivard ,  Brian J. Kindle ,  Adam Barry Feder

IPC分类号： G06K9/00 ,  G06K9/62 ,  G06T7/40 ,  G06T7/50 ,  G06T17/20

CPC分类号： G06K9/00268 ,  G06K9/2054 ,  G06K9/4642 ,  G06K9/6212 ,  G06T5/008 ,  G06T7/40 ,  G06T7/50 ,  G06T17/20 ,  G06T2207/10024 ,  G06T2207/20012 ,  G06T2207/20208 ,  G06T2207/30201

摘要： A system and method are provided for capturing an image with correct skin tone exposure. In use, one or more faces are detected having threshold skin tone within a scene. Next, based on the detected one or more faces, the scene is segmented into one or more face regions and one or more non-face regions. Next, one or more images of the scene are captured. Further, in response to the capture, the one or more face regions are processed to generate a final image.

公开(公告)号：US20180270400A1

公开(公告)日：2018-09-20

申请号：US15921782

申请日：2018-03-15

申请人： SAMSUNG DISPLAY CO., LTD.

发明人： Jaihyun KOH ,  Munsan PARK ,  Jaeho CHOI

IPC分类号： H04N5/202 ,  G02F1/1362 ,  G06T7/50 ,  H04N9/69

CPC分类号： H04N5/202 ,  G02F1/136286 ,  G06T5/008 ,  G06T7/11 ,  G06T7/194 ,  G06T7/50 ,  G09G3/003 ,  G09G3/3648 ,  G09G2310/0264 ,  G09G2320/0673 ,  H04N9/69

摘要： A display device includes a substrate, a plurality of gate lines disposed on the substrate, and which extends in first direction, a plurality of data lines disposed on the substrate, and which extends in a second direction intersecting the first direction, pixels connected to the gate lines and the data lines, a data drive unit which applies data signals to the data lines, a gate drive unit which supplies gate signals to the gate lines, a timing controller which controls the data signals and the gate signals, an image depth analysis unit which receives an image signal, and generates a foreground image signal based on an image depth of the image signal, and a gamma correction unit which generates a gamma-corrected image signal by applying a plurality of gamma curves to the foreground image signal.

公开(公告)号：US10076298B2

公开(公告)日：2018-09-18

申请号：US15008284

申请日：2016-01-27

申请人： KONICA MINOLTA, INC.

发明人： Junko Yoshida

IPC分类号： A61B6/00 ,  G06T5/00 ,  G06T5/50

CPC分类号： A61B6/484 ,  A61B6/4035 ,  A61B6/505 ,  A61B6/52 ,  A61B6/5205 ,  G06T5/008 ,  G06T5/50 ,  G06T2207/10116 ,  G06T2207/20224 ,  G06T2207/30008

摘要： A medical image system includes: X-ray equipment having a Talbot interferometer or a Talbot-Lau interferometer and including: an X-ray source configured to emit X-rays; a plurality of gratings arranged in a emitting direction of the X-rays; and an X-ray detector irradiated by the X-ray source and having conversion elements for accumulating charge and generating electrical signal to read the electrical signals generated to acquire moire fringe image; a subject absorption image generation unit configured to generate a subject absorption image based on moire fringe images containing a subject; a subjectless absorption image generation unit configured to generate a subjectless absorption image based on subjectless more fringe images; and an image unevenness correction unit configured to correct image unevenness of the subject absorption image, the medical image system further including a subjectless absorption image correction unit, wherein the image unevenness correction unit corrects image unevenness of the subject absorption image.

公开(公告)号：US20180262671A1

公开(公告)日：2018-09-13

申请号：US15975727

申请日：2018-05-09

申请人： Google LLC

发明人： Nils KOKEMOHR ,  Daniel FENNER

IPC分类号： H04N5/235 ,  H04N5/232 ,  H04N13/207

CPC分类号： H04N13/207 ,  G06T5/008 ,  G06T11/001 ,  G06T15/50 ,  H04N1/00 ,  H04N9/64

摘要： Implementations relate to modifying images with simulated light sources. In some implementations, a method includes receiving input indicating a location on a 2-D displayed image at which to position a light source element, and adjusting pixel values of the image to cause an illumination effect in the image based on the position of the light source element and based on a direction of illumination of the simulated light source with respect to one or more surfaces depicted in the image.

公开(公告)号：US10063826B2

公开(公告)日：2018-08-28

申请号：US15124529

申请日：2015-06-08

申请人： CANON KABUSHIKI KAISHA

发明人： Kotaro Kitajima

IPC分类号： H04N9/77 ,  H04N9/07 ,  H04N9/73 ,  G03B7/08 ,  G03B7/28 ,  G06T5/00

CPC分类号： H04N9/77 ,  G03B7/08 ,  G03B7/28 ,  G06T5/002 ,  G06T5/008 ,  G06T2207/10024 ,  H04N9/07 ,  H04N9/735

摘要： Disclosed is an image processing apparatus and a control method thereof that can correct the brightness of a pixel in an image. Reflection characteristics of environment light when the image is captured are estimated by applying smoothing to the image. The brightness of the pixel is corrected by computing a correction value for correcting the brightness of the pixel based on the reflection characteristics of the environment light and adding the correction value to the pixel. The brightness can be corrected while suppressing an amplification of noise and a loss of details of a subject.

公开(公告)号：US10055824B2

公开(公告)日：2018-08-21

申请号：US15127483

申请日：2015-01-07

申请人： NEC Corporation

发明人： Akari Sato

IPC分类号： G06T5/00 ,  G06K9/46 ,  G06T7/90

CPC分类号： G06T5/008 ,  G06K9/38 ,  G06K9/4652 ,  G06K9/4661 ,  G06T5/001 ,  G06T5/007 ,  G06T7/90 ,  G06T2207/10024 ,  H04N9/735

摘要： This invention discloses an image-correcting device that allows stable identification of a target object in a taken image even if the intensity of illumination is uneven across the areas of a space being imaged. The image-correcting device has a reference-luminance-correction-parameter computation unit and a correction unit. The reference-luminance-correction-parameter computation unit computes a reference luminance-correction parameter on the basis of the following: luminance information for the region of a reference image, which is an image taken of a reference object moving through the space being imaged, in which the reference object is displayed; and coordinate information indicating the position of the region. On the basis of the reference-luminance-correction parameter, the correction unit corrects the abovementioned taken image, which is an image taken of the aforementioned space and contains a correction target.

公开(公告)号：US20180233075A1

公开(公告)日：2018-08-16

申请号：US15435154

申请日：2017-02-16

申请人： Microsoft Technology Licensing, LLC

发明人： Charles N. Boyd

IPC分类号： G09G3/20 ,  G06T5/20 ,  G06T5/00 ,  H04N19/44 ,  H04N9/67 ,  H04N9/64

CPC分类号： G09G3/2003 ,  G06T5/008 ,  G06T5/20 ,  G06T2207/10016 ,  G06T2207/10024 ,  G06T2207/20208 ,  G09G5/005 ,  G09G5/02 ,  G09G5/10 ,  G09G2320/0233 ,  G09G2320/0271 ,  G09G2320/066 ,  G09G2320/0666 ,  G09G2320/0673 ,  G09G2340/06 ,  G09G2340/14 ,  G09G2360/144 ,  G09G2360/16 ,  G09G2370/04 ,  H04L65/604 ,  H04N5/20 ,  H04N5/76 ,  H04N9/646 ,  H04N9/67 ,  H04N9/8205 ,  H04N19/44

摘要： Innovations in content mastering operations performed during playback of high dynamic range (“HDR”) video on a display device are described. When content mastering is performed during playback on a display device, a video playback system can use details retained for input HDR video (e.g., retained in metadata) and the properties of the display device to improve the perceptual quality of the HDR video as shown on that display device. For example, the video playback system can use an energy-preserving bloom operator to make bright highlights “bloom” into adjacent areas, thereby accentuating the bright highlights in the HDR video while operating within the constraints of the display device. The video playback system can also perform various other types of operations when content mastering is deferred until playback, including application of a lens flare operator as well as alternative tone mapping operators and alternative color gamut mapping operators selected according to metadata.

公开(公告)号：US20180232867A1

公开(公告)日：2018-08-16

申请号：US15751340

申请日：2016-08-08

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Seung-ho PARK ,  Seung-hoon HAN ,  Ji-won CHOI ,  Ho-cheon WEY ,  Young-su MOON

IPC分类号： G06T5/00

CPC分类号： G06T5/009 ,  G06T5/002 ,  G06T5/008 ,  G06T5/50 ,  G06T2200/21 ,  G06T2207/10024 ,  G06T2207/20208

摘要： An electronic device and an image conversion method of the electronic device, the electronic device comprising: a receiving unit for receiving a first image from a source device; a decoding unit for decoding brightness information of the first image; a converting unit for converting a dynamic range of the first image on the basis of the decoded brightness information, using a mapping function; and a display unit for displaying a second image having the converted dynamic range on a display, wherein the mapping function is a curve function including a plurality of points determined on the basis of the first image, a characteristic of a change in brightness of a display of the source device, and a characteristic of brightness of a scene of the first image. The present disclosure may generate, for example, a high dynamic range (HDR) image, which is improved from a standard dynamic range (SDR) image.