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1. 发明申请

WO2011011542A1 A METHOD AND SYSTEM FOR DETECTION AND ENHANCEMENT OF VIDEO IMAGES 审中-公开
标题翻译：一种用于视频图像检测和增强的方法和系统
公开(公告)号：WO2011011542A1
公开(公告)日：2011-01-27
申请号：PCT/US2010/042790
申请日：2010-07-21
申请人： INTEGRATED DEVICE TECHNOLOGY, INC. , LEE, Louie , LACHINE, Vladimir , SMITH, Greg
发明人： LEE, Louie , LACHINE, Vladimir , SMITH, Greg
IPC分类号： G06K9/00
CPC分类号： H04N9/646 , G06T5/00 , G06T7/0002 , G06T2207/30168 , H04N5/205 , H04N5/208 , H04N5/21 , H04N7/0145
摘要： A method and a system for adaptive image enhancement are provided for measuring the image quality of a pixel region in a frame, performing an image classification based on the image quality measurement, and enhancing image quality by applying operations according to image classification of the region. Also provided is a method as above including the steps of dividing a frame into P pixel regions; and for each one of the pixel regions measuring the image quality; assigning an image quality class; and enhancing the image. Also provided is a system for adaptive image enhancement including a circuit to measure the image quality of a pixel region in a frame in a source video image; a circuit to perform an image classification of the region based on the image quality measurement; and a circuit to enhance the image quality of the region in the source video image a by applying operations based on the image classification of the frame.
摘要翻译：提供一种用于自适应图像增强的方法和系统，用于测量帧中的像素区域的图像质量，基于图像质量测量执行图像分类，并且通过根据该区域的图像分类应用操作来提高图像质量。还提供了如上所述的方法，包括以下步骤：将帧分割成P个像素区域; 并且对于测量图像质量的每个像素区域; 分配图像质量等级; 并增强形象。还提供了一种用于自适应图像增强的系统，其包括用于测量源视频图像中的帧中的像素区域的图像质量的电路; 基于图像质量测量执行区域的图像分类的电路; 以及通过基于帧的图像分类的操作来增强源视频图像a中的区域的图像质量的电路。

2. 发明申请

WO2006031213A1 SINGLE -PASS IMAGE WARPING SYSTEM AND MEHTOD WITH ANISOTROPIC FILTERING 审中-公开
标题翻译：单幅图像翘曲系统和各向异性过滤器
公开(公告)号：WO2006031213A1
公开(公告)日：2006-03-23
申请号：PCT/US2004/029393
申请日：2004-09-09
申请人： SILICON OPTIX INC. , LACHINE, Vladimir , SMITH, Gregory, L. , LEE, Louie
发明人： LACHINE, Vladimir , SMITH, Gregory, L. , LEE, Louie
IPC分类号： G09G5/00
CPC分类号： G06T3/0093 , A61K48/00 , C07K14/60
摘要： A method and system for circularly symmetric anisotropic filtering over an extended elliptical or rectangular footprint in singlepass digital image warping are disclosed. The filtering is performed by first finding and adjusting an ellipse that approximates a non-uniform image scaling function in a mapped position of an output pixel in the input image space. A linear transformation from this ellipse to a unit circle in the output image space is determined to calculate input pixel radii inside the footprint and corresponding filter coefficient as a function of the radius. The shape of the footprint is determined as a trade-off between image quality and processing speed. In one implementation, profiles of smoothing and warping components are combined to produce sharper or detail enhanced output image. The method and system of the invention produce natural output image without jagging artifacts, while maintaining or enhancing the sharpness of theinput image.
摘要翻译：公开了一种用于在单一和害羞中扩展椭圆或矩形足迹上的圆对称各向异性滤波的方法和系统;通过数字图像变形。通过首先找到并调整近似输入图像空间中的输出像素的映射位置中的非均匀图像缩放函数的椭圆来执行滤波。确定从该椭圆到输出图像空间中的单位圆的线性变换，以计算足迹内的输入像素半径以及作为半径的函数的对应滤波器系数。占地面积的形状被确定为图像质量和处理速度之间的折衷。在一个实现中，平滑和翘曲分量的轮廓被组合以产生更清晰或细节增强的输出图像。本发明的方法和系统产生没有锯齿伪影的自然输出图像，同时保持或增强输入图像的清晰度。

3. 发明申请

WO2006031213A8 SINGLE -PASS IMAGE WARPING SYSTEM AND MEHTOD WITH ANISOTROPIC FILTERING 审中-公开
标题翻译：单一图像加热系统和具有各向异性过滤的MEHTOD
公开(公告)号：WO2006031213A8
公开(公告)日：2006-08-24
申请号：PCT/US2004029393
申请日：2004-09-09
申请人： SILICON OPTIX INC , LACHINE VLADIMIR , SMITH GREGORY L , LEE LOUIE
发明人： LACHINE VLADIMIR , SMITH GREGORY L , LEE LOUIE
IPC分类号： G09G5/00 , A61K48/00 , C07K14/60
CPC分类号： G06T3/0093 , A61K48/00 , C07K14/60
摘要： A method and system for circularly symmetric anisotropic filtering over an extended elliptical or rectangular footprint in singlepass digital image warping are disclosed. The filtering is performed by first finding and adjusting an ellipse that approximates a non-uniform image scaling function in a mapped position of an output pixel in the input image space. A linear transformation from this ellipse to a unit circle in the output image space is determined to calculate input pixel radii inside the footprint and corresponding filter coefficient as a function of the radius. The shape of the footprint is determined as a trade-off between image quality and processing speed. In one implementation, profiles of smoothing and warping components are combined to produce sharper or detail enhanced output image. The method and system of the invention produce natural output image without jagging artifacts, while maintaining or enhancing the sharpness of theinput image.
摘要翻译：公开了一种用于在单通道数字图像翘曲中的扩展椭圆形或矩形覆盖区域上的圆对称各向异性滤波的方法和系统。通过首先查找和调整在输入图像空间中输出像素的映射位置近似非均匀图像缩放函数的椭圆来执行滤波。确定从该椭圆到输出图像空间中的单位圆的线性变换，以计算占地面积内的输入像素半径和对应的滤波器系数作为半径的函数。足迹的形状被确定为图像质量和处理速度之间的折衷。在一个实现中，平滑和翘曲部件的轮廓被组合以产生更清晰或细节增强的输出图像。本发明的方法和系统在保持或增强输入图像的清晰度的同时，产生自然输出图像而不产生锯齿状伪像。

4. 发明申请

WO2008086078A1 COLOR AND GEOMETRY DISTORTION CORRECTION SYSTEM AND METHOD 审中-公开
标题翻译：颜色和几何失真校正系统和方法
公开(公告)号：WO2008086078A1
公开(公告)日：2008-07-17
申请号：PCT/US2008/050087
申请日：2008-01-03
申请人： SILICON OPTIX, INC. , BASSI, Zorawar, S. , LACHINE, Vladimir
发明人： BASSI, Zorawar, S. , LACHINE, Vladimir
IPC分类号： G06K9/03
CPC分类号： G09G3/2003 , G09G2320/0233 , G09G2320/0242 , G09G2320/0276 , G09G2340/06 , H04N1/60 , H04N9/3182 , H04N9/3185
摘要： Systems and methods for correcting color and geometry in an image are disclosed. In one example, image data are received in one format and are then converted to another format to perform color correction. In another example, geometric corrections are first applied to each color component of an image data to correct for different distortions including lateral chromatic aberrations. Next, color distortion corrections are performed to correct for each color component of the image data independently. In one particular exemplary embodiment, color distortion corrections are applied using surface function representation of a grid data transformation relating uncorrected values to corrected values.
摘要翻译：公开了用于校正图像中的颜色和几何的系统和方法。在一个示例中，以一种格式接收图像数据，然后将其转换为另一格式以执行颜色校正。在另一示例中，首先将几何校正应用于图像数据的每个颜色分量，以校正包括横向色差的不同失真。接下来，执行颜色失真校正以独立地校正图像数据的每个颜色分量。在一个特定示例性实施例中，使用将未校正值与校正值相关联的网格数据变换的表面函数表示来应用颜色失真校正。

5. 发明申请

WO2006022729A1 EDGE ADAPTIVE IMAGE EXPANSION AND ENHANCEMENT SYSTEM AND METHOD 审中-公开
标题翻译：边缘自适应图像扩展和增强系统和方法
公开(公告)号：WO2006022729A1
公开(公告)日：2006-03-02
申请号：PCT/US2004/027083
申请日：2004-08-20
申请人： SILICON OPTIX INC. , LACHINE, Vladimir , SMITH, Gregory, Lionel , LEE, Louie
发明人： LACHINE, Vladimir , SMITH, Gregory, Lionel , LEE, Louie
IPC分类号： G06K9/40
CPC分类号： G06T3/403 , G06T5/002 , G06T7/13 , G06T2207/10016 , G06T2207/20012 , G06T2207/20021 , G06T2207/20192
摘要： An edge adaptive system and method for image filtering. The method maps each output pixel onto input image coordinates (110) and then prefilters and resamples the input image pixels around this point to reduce noise and adjust the scale corresponding to a particular operation. Then the edge in the input image is detected based on local (125) and average (127) signal variances in the input pixels. According to the edge detection parameters (129), including orientation, anisotropy and variance strength, the method determines a footprint and frequency response for the interpolation of the output pixel. In a more particular implementation, the method divides the input pixel space into a finite number of directions called skews, and estimates the edge orientation with the nearest skew direction. This further facilitates pixel inclusion in the interpolation of the output pixel.
摘要翻译：边缘自适应系统和图像滤波方法。该方法将每个输出像素映射到输入图像坐标（110）上，然后对该点附近的输入图像像素进行预滤波和再采样，以减少噪声并调整与特定操作对应的刻度。然后基于输入像素中的局部（125）和平均（127）信号方差来检测输入图像中的边缘。根据边缘检测参数（129），包括方向，各向异性和方差强度，该方法确定输出像素插值的覆盖区和频率响应。在更具体的实现中，该方法将输入像素空间划分为称为偏斜的有限数量的方向，并且以最近的倾斜方向估计边缘方向。这进一步有助于像素包含在输出像素的插值中。

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