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1. 发明申请

US20190102915A1 System and Process for Color-Balancing a Series of Oblique Images 审中-公开
公开(公告)号：US20190102915A1
公开(公告)日：2019-04-04
申请号：US16191232
申请日：2018-11-14
申请人： Pictometry International Corp.
发明人： Stephen L. Schultz , Frank D. Giuffrida , Robert Gray
IPC分类号： G06T11/00 , G06T5/00 , H04N1/60 , G06K9/00 , G06T7/90
CPC分类号： G06T11/001 , G06K9/0063 , G06T5/001 , G06T7/90 , G06T2207/10024 , G06T2207/10032 , H04N1/6077 , H04N1/6083
摘要： Image processing systems and methods are disclosed, including an image processing system comprising a computer running image processing software causing the computer to divide an oblique aerial image into a plurality of sections having different color distributions, choose a first reference aerial image, having a consistent color distribution, for the first section, color-balance at least one pixel in the first section of the oblique aerial image, such that the first color distribution of the first section matches the consistent color distribution of the first reference aerial image, by performing color-balancing transformations for color bands for each of the at least one pixel in the first section.

2. 发明申请

US20190028613A1 APPLYING A PERCEPTUALLY UNIFORM COLOR SPACE FOR IMAGE PROCESSING 审中-公开
公开(公告)号：US20190028613A1
公开(公告)日：2019-01-24
申请号：US15654972
申请日：2017-07-20
申请人： MOTOROLA MOBILITY LLC
发明人： PETER A. MATSIMANIS , YUTA ASANO , LIN CHEN
IPC分类号： H04N1/60 , G06T11/40 , G06T7/45
CPC分类号： H04N1/6002 , G06T7/45 , G06T7/90 , G06T11/40 , H04N1/60 , H04N1/6083
摘要： A method, system, and computer program product for applying a perceptually uniform color space to image color values within a captured image data. The method includes identifying, via a processor of an image capturing device, a perceptually uniform color space that includes only real colors identified within a plurality of real-world images. The method further includes applying, via the processor, the perceptually uniform color space to a color processing stage of an image processing pipeline. The method further includes in response to receiving, at the image capturing device, image data including image color values associated with a primary color space, converting, via the processor, the image color values to the perceptually uniform color space to generate image data having more perceptual uniformity for colors that are frequent in the real world.

3. 发明授权

US09378429B2 Image processing device and image processing method 有权
标题翻译：图像处理装置及图像处理方法
公开(公告)号：US09378429B2
公开(公告)日：2016-06-28
申请号：US14665035
申请日：2015-03-23
申请人： FUJITSU LIMITED
发明人： Yasumasa Iwamura , Akihiro Minagawa , Yusuke Uehara
IPC分类号： H04N9/64 , G06K9/46 , G06T7/40 , G01J3/46 , H04N1/60 , H04N9/73 , G06K9/32
CPC分类号： G06K9/46 , G01J3/46 , G06K9/3216 , G06K9/4652 , G06T5/001 , G06T2207/10024 , G06T2207/30204 , H04N1/60 , H04N1/6033 , H04N1/6041 , H04N1/6083 , H04N9/73
摘要： A device includes a processor configured to execute a process including extracting a pixel value of each of a plurality of areas of a same color that are arranged at different positions on a color chart that is captured in an image, and specifying by using the extracted pixel values of the areas and arrangement positions of the areas of the same color an area that has a pixel value that corresponds to a function that expresses fluctuation of pixel values according to a position due to non-uniformity of an illumination environment that fluctuates the pixel values at a constant rate in one direction, and correcting a pixel value of a correction target area between the areas of the same color according to the pixel value of the specified area.
摘要翻译：一种设备包括：处理器，被配置为执行处理，包括提取布置在图像中捕获的彩色图表上的不同位置的多个相同颜色的区域中的每一个的像素值，并且通过使用提取的像素进行指定相同颜色的区域的区域和排列位置的值具有与由于由于照度环境的不均匀性而使像素值波动的与表示像素值的波动相对应的功能的像素值的区域在一个方向上以恒定速率，并且根据指定区域的像素值来校正相同颜色的区域之间的校正目标区域的像素值。

4. 发明授权

US09001214B2 Spectral estimation method, system and reference target design method 有权
标题翻译：光谱估计方法，系统和参考目标设计方法
公开(公告)号：US09001214B2
公开(公告)日：2015-04-07
申请号：US14357533
申请日：2012-11-09
申请人： University of East Anglia
发明人： Graham Finlayson
IPC分类号： H04N17/00 , H04N17/02 , H04N1/60
CPC分类号： H04N17/002 , H04N1/6083 , H04N1/6086 , H04N9/64
摘要： A method, system and reference target for estimating spectral data on a selected one of three spectral information types is disclosed. Spectral information types comprise illumination of a scene, spectral sensitivity of an imager imaging the scene and reflectance of a surface in the scene. The method comprises obtaining a ranking order for plural sensor responses produced by the imager, each sensor responses being produced from a reference target in the scene, obtaining, from an alternate source, data on the other two spectral information types, determining a set of constraints, the set including, for each sequential pair combination of sensor responses when taken in said ranking order, a constraint determined in dependence on the ranking and on the other two spectral information types for the respective sensor responses and, in dependence on the ranking order and on the set of constraints, determining said spectral data that optimally satisfies said constraints.
摘要翻译：公开了一种用于估计三种光谱信息类型中所选择的一种光谱数据的方法，系统和参考目标。光谱信息类型包括场景的照明，成像场景的成像器的光谱灵敏度和场景中的表面的反射率。该方法包括获得由成像器产生的多个传感器响应的排序顺序，每个传感器响应是从场景中的参考目标产生的，从另一个源获得关于另外两个光谱信息类型的数据，确定一组约束对于按照所述排序顺序采取的传感器响应的每个顺序对组合，所述集合包括依赖于所述排名而确定的约束以及针对相应传感器响应的另外两个频谱信息类型，并且根据排序顺序和在所述约束集上，确定最佳地满足所述约束的所述光谱数据。

5. 发明申请

US20140307104A1 SPECTRAL ESTIMATION METHOD, SYSTEM AND REFERENCE TARGET DESIGN METHOD 有权
标题翻译：光谱估计方法，系统和参考目标设计方法
公开(公告)号：US20140307104A1
公开(公告)日：2014-10-16
申请号：US14357533
申请日：2012-11-09
申请人： University of East Anglia
发明人： Graham Finlayson
IPC分类号： H04N17/00
CPC分类号： H04N17/002 , H04N1/6083 , H04N1/6086 , H04N9/64
摘要： A method, system and reference target for estimating spectral data on a selected one of three spectral information types is disclosed. Spectral information types comprise illumination of a scene, spectral sensitivity of an imager imaging the scene and reflectance of a surface in the scene. The method comprises obtaining a ranking order for plural sensor responses produced by the imager, each sensor responses being produced from a reference target in the scene, obtaining, from an alternate source, data on the other two spectral information types, determining a set of constraints, the set including, for each sequential pair combination of sensor responses when taken in said ranking order, a constraint determined in dependence on the ranking and on the other two spectral information types for the respective sensor responses and, in dependence on the ranking order and on the set of constraints, determining said spectral data that optimally satisfies said constraints.
摘要翻译：公开了一种用于估计三种光谱信息类型中所选择的一种光谱数据的方法，系统和参考目标。光谱信息类型包括场景的照明，成像场景的成像器的光谱灵敏度和场景中的表面的反射率。该方法包括获得由成像器产生的多个传感器响应的排序顺序，每个传感器响应是从场景中的参考目标产生的，从另一个源获得关于另外两个光谱信息类型的数据，确定一组约束对于按照所述排序顺序采取的传感器响应的每个顺序对组合，所述集合包括依赖于所述排名而确定的约束以及针对相应传感器响应的另外两个频谱信息类型，并且根据排序顺序和在所述约束集上，确定最佳地满足所述约束的所述光谱数据。

6. 发明申请

US20140218434A1 PRINTING APPARATUS AND COLORIMETRIC METHOD 审中-公开
标题翻译：打印设备和彩色方法
公开(公告)号：US20140218434A1
公开(公告)日：2014-08-07
申请号：US14162624
申请日：2014-01-23
申请人： CANON KABUSHIKI KAISHA
发明人： Junya Kosuge
IPC分类号： B41J2/21
CPC分类号： B41J2/21 , B41J29/38 , H04N1/6083 , H04N1/6091
摘要： A printed color pattern is subjected to accurate colorimetry irrespective of the type of sheet to be used or the like, and further, sheet consumption is reduced. For the purpose of this, a printing apparatus includes: a print unit configured to perform printing on a sheet; a sensor configured to subject a color pattern formed on the sheet printed; and a mechanism configured to press the sheet against a reference surface at the time of the colorimetry by the sensor. In a case where the color pattern is printed, a position, at which the color pattern in a sheet movement direction is started to be printed, is varied based on the type of sheet to be used. After the color pattern is printed, the sheet is pressed by the mechanism in a state in which a part of the sheet including the sheet tip is suspended from the reference surface.
摘要翻译：印刷的颜色图案经受精确的比色法，而与使用的片材的类型等无关，此外，片材消耗减少。为此，打印设备包括：打印单元，被配置为在片材上执行打印; 传感器，被配置为对形成在所述印刷品上的彩色图案进行拍摄; 以及构造成在所述传感器进行比色法时将所述片材压靠在基准面上的机构。在打印色彩图案的情况下，基于要使用的片材的类型来改变在片材移动方向上开始印刷的彩色图案的位置。在印刷了彩色图案之后，在包括片材尖端的片材的一部分悬挂在参考表面上的状态下，片材被机构按压。

7. 发明申请

US20130258428A1 IMAGE CORRECTION DEVICE AND METHOD, AND IMAGE READING APPARATUS 有权
标题翻译：图像校正装置和方法以及图像读取装置
公开(公告)号：US20130258428A1
公开(公告)日：2013-10-03
申请号：US13741487
申请日：2013-01-15
申请人： FUJITSU LIMITED
发明人： Masayoshi SHIMIZU
IPC分类号： H04N1/60
CPC分类号： H04N1/6083 , H04N1/6041
摘要： An image correction device includes a processor that executes a procedure. The procedure includes: correcting an image of a read object based on images stored in a storage section of a self-illuminated reference chart image of a reference chart of size corresponding to a mounting region where the read object is mounted that has been read in advance in a state illuminated by only a self-illumination light, a uniform light standard color chart image of a standard color chart that has been read in advance in a state illuminated by only uniform light from a predetermined uniform light source, and a uniform light reference chart image of the reference chart that has been read in advance in a state illuminated by only the uniform light, and based on the image of the read object and a peripheral light standard color chart image read by a reading section.
摘要翻译：图像校正装置包括执行过程的处理器。该过程包括：基于存储在预先读取的与安装有读取对象的安装区域相对应的尺寸的参考图表的自照照明参考图像的存储部分中的图像来校正读取对象的图像在仅由自照明光照亮的状态下，在仅由来自预定的均匀光源的均匀光照射的状态下预先读取的标准色彩图的均匀的光标准色图图像和均匀的光参照在仅由均匀光照亮的状态下，基于读取对象的图像和由读取部读取的周边光标准色图图像，预先读取的参考图表的图表图像。

8. 发明申请

US20130163866A1 APPARATUS, AND ASSOCIATED METHOD, FOR FACILITATING WHITE BALANCING OF AN IMAGE 有权
标题翻译：装置和相关方法，用于促进图像的白平衡
公开(公告)号：US20130163866A1
公开(公告)日：2013-06-27
申请号：US13336109
申请日：2011-12-23
申请人： Sui Tong Tang
发明人： Sui Tong Tang
IPC分类号： G06T5/00
CPC分类号： H04N1/6083 , H04N9/735
摘要： An apparatus, and an associated method, facilitates selection of white balancing to adjust the color cast of a captured image. A quantum dot element is positioned to receive incident light associated with a scene forming an image that is to be captured. Incident light upon the quantum dot element causes photonic emissions that are detected and converted into electrical form. The electrical representations of the photonic images are used to measure or determine a color ratio. The value of the color ratio is utilized to select white balancing of a captured image, captured either prior to, concurrent with, or subsequent to, the color-ratio determination.
摘要翻译：一种装置和相关联的方法，有助于选择白平衡以调整拍摄图像的色调。量子点元件被定位成接收与形成要被捕获的图像的场景相关联的入射光。量子点元件上的入射光引起被检测并转换成电形式的光子发射。光子图像的电气表示用于测量或确定颜色比。彩色比率的值用于选择在色比确定之前，同时或之后捕获的捕获图像的白平衡。

9. 发明授权

US08290263B2 Image processing apparatus 有权
标题翻译：图像处理装置
公开(公告)号：US08290263B2
公开(公告)日：2012-10-16
申请号：US12768279
申请日：2010-04-27
申请人： Takao Tsuruoka , Kazuhito Horiuchi
发明人： Takao Tsuruoka , Kazuhito Horiuchi
IPC分类号： G06K9/00 , H04N5/202 , H04N5/228
CPC分类号： H04N1/6083 , H04N1/407 , H04N1/4074 , H04N1/6027 , H04N1/6086 , H04N5/23219 , H04N5/23245 , H04N5/243 , H04N5/355 , H04N5/35527 , H04N9/643
摘要： An image processing apparatus includes a photographing condition estimation unit for estimating a photographing condition of the input image based on photometric information and focal information. A Y/C separation unit separates the input image into a luminance signal and a color difference signal; a luminance correction unit extracts an edge from the luminance signal and corrects the luminance signal by a gradation conversion curve; a color difference correction unit corrects the color difference signal based on luminance signals obtained before and after the gradation correction and a theoretical limit characteristic of color reproduction; a skin color correction unit performs skin color correction depending on the photographing condition; and a Y/C synthesis unit synthesizes the luminance signal and the color difference signal obtained after the correction. Gradation correction is performed on the input image such that appropriate hue and saturation are achieved while emphasizing a main object.
摘要翻译：一种图像处理设备包括：摄影条件估计单元，用于基于测光信息和焦点信息估计输入图像的拍摄条件。 Y / C分离单元将输入图像分离成亮度信号和色差信号; 亮度校正单元从亮度信号中提取边缘并通过灰度转换曲线校正亮度信号; 色差校正单元基于灰度校正之前和之后获得的亮度信号和色彩再现的理论极限特性校正色差信号; 皮肤颜色校正单元根据拍摄条件执行肤色校正; 并且Y / C合成单元合成在校正后获得的亮度信号和色差信号。在输入图像上执行灰度校正，使得在强调主要对象的同时实现适当的色调和饱和度。

10. 发明授权

US08274718B2 Method for creating color conversion definition for image output devices and image processing apparatus implementing the method 有权
标题翻译：用于创建图像输出设备的颜色转换定义的方法和实现该方法的图像处理设备
公开(公告)号：US08274718B2
公开(公告)日：2012-09-25
申请号：US12052824
申请日：2008-03-21
申请人： Yoshinori Kawai
发明人： Yoshinori Kawai
IPC分类号： G03F3/08 , H04N1/46 , H04N1/60 , G06K9/00
CPC分类号： H04N1/6083
摘要： The present invention is to provide methods and apparatuses for creating color conversion definition to make the same output result appear without any uncomfortable feeling when a same output result is observed under different illumination lights. To achieve this, the method comprising the successive steps of: (a) assuming an observational environment under an illumination light in which a difference in color appearance of an output result of the image output device in a plurality of observational environments with different illumination lights to observe the output result is made less; (b) determining measured color values of a device color of the image output device in the observational environment under the illumination light in which a difference in each color appearance is made less; and (c) creating a color conversion definition on the basis of the measured color values of the device color of the image output device determined at step (b).
摘要翻译：本发明是提供用于产生颜色转换定义的方法和装置，以使得当在不同的照明光下观察到相同的输出结果时，出现相同的输出结果而没有任何不适感。为了实现这一点，该方法包括以下连续步骤：（a）假设在照明光下的观察环境，其中图像输出装置的输出结果在具有不同照明光的多个观察环境中的输出结果的颜色外观差异观察输出结果少; （b）在每个颜色外观的差别较小的照明光下，在观察环境中确定图像输出装置的装置颜色的测量颜色值; 和（c）基于在步骤（b）确定的图像输出装置的装置颜色的测量颜色值来创建颜色转换定义。

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