-
公开(公告)号：US07889949B2
公开(公告)日：2011-02-15
申请号：US11742325
申请日：2007-04-30
IPC分类号： G06K9/32
CPC分类号： G06T3/4007
摘要： A “Joint Bilateral Upsampler” uses a high-resolution input signal to guide the interpolation of a low-resolution solution set (derived from a downsampled version of the input signal) from low-to high-resolution. The resulting high-resolution solution set is then saved or applied to the original input signal to produce a high-resolution output signal. The high-resolution solution set is close to what would be produced directly from the input signal without downsampling. However, since the high-resolution solution set is constructed in part from a downsampled version of the input signal, it is computed using significantly less computational overhead and memory than a solution set computed directly from a high-resolution signal. Consequently, the Joint Bilateral Upsampler is advantageous for use in near real-time operations, in applications where user wait times are important, and in systems where computational costs and available memory are limited.
摘要翻译： “联合双边上行采样器”使用高分辨率输入信号来引导低分辨率解集（从输入信号的下采样版本导出）的内插从低到高分辨率。 然后将所得到的高分辨率解决方案集保存或应用于原始输入信号以产生高分辨率输出信号。 高分辨率解决方案集合接近于直接从输入信号产生的，而无需采样。 然而，由于高分辨率解集合部分地由输入信号的下采样版本构成，所以与直接从高分辨率信号计算的解集相比，使用显着更少的计算开销和存储器来计算。 因此，联合双边上行采样器在用户等待时间重要的应用中以及在计算成本和可用存储器受到限制的系统中有利于近实时操作。
-
公开(公告)号：US20080267494A1
公开(公告)日：2008-10-30
申请号：US11742325
申请日：2007-04-30
IPC分类号： G06K9/00
CPC分类号： G06T3/4007
摘要： A “Joint Bilateral Upsampler” uses a high-resolution input signal to guide the interpolation of a low-resolution solution set (derived from a downsampled version of the input signal) from low-to high-resolution. The resulting high-resolution solution set is then saved or applied to the original input signal to produce a high-resolution output signal. The high-resolution solution set is close to what would be produced directly from the input signal without downsampling. However, since the high-resolution solution set is constructed in part from a downsampled version of the input signal, it is computed using significantly less computational overhead and memory than a solution set computed directly from a high-resolution signal. Consequently, the Joint Bilateral Upsampler is advantageous for use in near real-time operations, in applications where user wait times are important, and in systems where computational costs and available memory are limited.
摘要翻译： “联合双边上行采样器”使用高分辨率输入信号来引导低分辨率解集（从输入信号的下采样版本导出）的内插从低到高分辨率。 然后将所得到的高分辨率解决方案集保存或应用于原始输入信号以产生高分辨率输出信号。 高分辨率解决方案集合接近于直接从输入信号产生的，而无需采样。 然而，由于高分辨率解集合部分地由输入信号的下采样版本构成，所以与直接从高分辨率信号计算的解集相比，使用显着更少的计算开销和存储器来计算。 因此，联合双边上行采样器在用户等待时间重要的应用中以及在计算成本和可用存储器受到限制的系统中有利于近实时操作。
-
公开(公告)号：US20080144968A1
公开(公告)日：2008-06-19
申请号：US11738903
申请日：2007-04-23
IPC分类号： G06K9/36
CPC分类号： G06T3/0018
摘要： A dynamic wide angle image viewing technique is presented which provides a way to view a wide-angle image while zooming between a wide angle view and a narrower angle view that employs both perspective and non-perspective projection models. In general, this involves first establishing the field of view for a view of the wide angle image that is to be displayed. The view is then rendered and displayed based on the established field of view, such that the projection transitions between a perspective projection associated with narrower angle views and a non-perspective projection (e.g., cylindrical, spherical or some other parameterization) associated with wider-angle views.
摘要翻译： 提出了一种动态广角图像观看技术，其提供了在广角视角和使用透视投影模型和非透视投影模型的较窄角度视图之间进行放大时观察广角图像的方式。 通常，这涉及首先建立要显示的广角图像的视图。 然后基于所建立的视野来呈现和显示视图，使得投影在与较窄角度视图相关联的透视投影与与更宽角度视图相关联的非透视投影（例如，圆柱形，球形或某些其它参数化） 角度视图。
-
公开(公告)号：US20090041375A1
公开(公告)日：2009-02-12
申请号：US11834238
申请日：2007-08-06
IPC分类号： G06K9/40
CPC分类号： G06T5/007 , G06T5/40 , G06T2207/20208
摘要： A dynamic tone mapping technique is presented that produces a local tone map for a sub-image of a wide-angle, high dynamic range (HDR), which is used in rendering the sub-image for display. The technique generally involves first computing a global tone map of the wide-angle, HDR image in advance of rendering the sub-image. The global tone map is then used during rendering to compute a local tone map based on the average luminance and contrast of the pixels of the sub-image. In addition, the sub-image can be tone mapped as part of the rendering of a sequence of sub-images during a viewer-executed panning and/or zooming session. In this case, the local tone maps can be kept from changing too rapidly by adding a hysteresis feature to smooth out the intensity changes between successive sub-images.
摘要翻译： 提出了一种动态色调映射技术，它为广角，高动态范围（HDR）的子图像产生局部色调图，用于渲染子图像进行显示。 该技术通常涉及首先在渲染子图像之前计算广角HDR图像的全局色调图。 然后在渲染期间使用全局色调图，以基于子图像的像素的平均亮度和对比度来计算局部色调图。 此外，子图像可以在观看者执行的平移和/或缩放会话期间作为一系列子图像的呈现的一部分进行色调映射。 在这种情况下，通过添加滞后特征来平滑连续子图像之间的强度变化，可以保持局部色调图不会太快地改变。
-
公开(公告)号：US20090022421A1
公开(公告)日：2009-01-22
申请号：US11779871
申请日：2007-07-18
IPC分类号： G06K9/36
CPC分类号： G06T3/4038
摘要： A gigapixel image is generated from a set of images in raw format depicting different portions of a panoramic scene that has up to a full spherical field of view. Radiometric alignment of the images creates a set of images in radiance format. Geometric alignment of the radiance format images creates a set of true poses for the images in radiance format. A gigapixel image depicting the entire scene is assembled from the set of radiance format images and radiance format true poses for the images. The set of images in raw format is captured using a conventional digital camera, equipped with a telephoto lens, attached to a motorized head. The head is programmed to pan and tilt the camera in prescribed increments to individually capture the images at a plurality of exposures and with a prescribed overlap between images depicting adjacent portions of the scene.
摘要翻译： 从原始格式的一组图像生成一个千兆像素图，描绘具有全球面视野的全景场景的不同部分。 图像的放射线对准会以辐射格式创建一组图像。 辐射格式图像的几何对齐为辐射格式的图像创建一组真实姿势。 描绘整个场景的百万像素图像是由一组辐射格式图像和辐射格式组合而成的图像的真实姿势。 原始格式的图像集是使用配有远摄镜头的常规数码相机来捕捉的，该长焦镜头连接到电动头部。 头被编程为以规定的增量平移和倾斜照相机，以单独地以多次曝光并且以描绘场景的相邻部分的图像之间的规定的重叠来捕获图像。
-
公开(公告)号：US08750645B2
公开(公告)日：2014-06-10
申请号：US12634699
申请日：2009-12-10
CPC分类号： H04N5/23232 , G06T3/4038 , H04N5/23267 , H04N5/262
摘要： A method described herein includes acts of receiving a sequence of images of a scene and receiving an indication of a reference image in the sequence of images. The method further includes an act of automatically assigning one or more weights independently to each pixel in each image in the sequence of images of the scene. Additionally, the method includes an act of automatically generating a composite image based at least in part upon the one or more weights assigned to each pixel in each image in the sequence of images of the scene.
摘要翻译： 本文描述的方法包括接收场景的图像序列并接收图像序列中的参考图像的指示的动作。 该方法还包括自动地将一个或多个权重自动分配给场景图像序列中的每个图像中的每个像素的动作。 此外，该方法包括至少部分地基于分配给场景的图像序列中的每个图像中的每个像素的一个或多个权重来自动生成合成图像的动作。
-
公开(公告)号：US20100318914A1
公开(公告)日：2010-12-16
申请号：US12485179
申请日：2009-06-16
申请人： Charles Lawrence Zitnick, III , Bryan K. Ressler , Sing Bing Kang , Michael F. Cohen , Jagannatha Koppal
发明人： Charles Lawrence Zitnick, III , Bryan K. Ressler , Sing Bing Kang , Michael F. Cohen , Jagannatha Koppal
IPC分类号： G06F3/048
CPC分类号： G11B27/034 , G11B27/34 , H04N21/4854 , H04N21/6377 , H04N21/658
摘要： Described is a user interface that displays a representation of a stereo scene, and includes interactive mechanisms for changing parameter values that determine the perceived appearance of that scene. The scene is modeled as if viewed from above, including a representation of a viewer's eyes, a representation of a viewing screen, and an indication simulating what each of the viewer eyes perceives on the viewing screen. Variable parameters may include a vergence parameter, a dolly parameter, a field-of-view parameter, an interocular parameter and a proscenium arch parameter.
摘要翻译： 描述了显示立体场景的表示的用户界面，并且包括用于改变确定该场景的感知外观的参数值的交互机制。 该场景被建模为仿佛从上方观看，包括观看者的眼睛的表示，观看屏幕的表示，以及模拟观看者眼睛在观看屏幕上感知的每一个的指示。 可变参数可以包括聚集参数，小车参数，视野参数，眼镜参数和前景拱参数。
-
公开(公告)号：US07657060B2
公开(公告)日：2010-02-02
申请号：US10814851
申请日：2004-03-31
申请人： Michael F. Cohen , Ying-Qing Xu , Heung-Yeung Shum , Jue Wang
发明人： Michael F. Cohen , Ying-Qing Xu , Heung-Yeung Shum , Jue Wang
IPC分类号： G06K9/00
CPC分类号： G11B27/034 , G06K9/00711 , G06T15/02 , H04N5/262
摘要： The techniques and mechanisms described herein are directed to a system for stylizing video, such as interactively transforming video to a cartoon-like style. Briefly stated, the techniques include determining a set of volumetric objects within a video, each volumetric object being a segment. Mean shift video segmentation may be used for this step. With that segmentation information, the technique further includes indicating on a limited number of keyframes of the video how segments should be merged into a semantic region. Finally, a contiguous volume is created by interpolating between keyframes by a mean shift constrained interpolation technique to propagate the semantic regions between keyframes.
摘要翻译： 这里描述的技术和机制针对用于对视频进行风格化的系统，诸如将视频交互地变换成卡通样式。 简而言之，技术包括确定视频内的一组体积对象，每个体积对象是一段。 平均移位视频分割可用于该步骤。 利用该分割信息，该技术还包括在片段的有限数量的关键帧上指示片段如何被合并到语义区域中。 最后，通过平均偏移约束插值技术在关键帧之间进行内插以在关键帧之间传播语义区域来创建连续体积。
-
公开(公告)号：US07457477B2
公开(公告)日：2008-11-25
申请号：US10885259
申请日：2004-07-06
CPC分类号： G06T5/50
摘要： A system and method for improving digital flash photographs. The present invention is a technique that significantly improves low-light imaging by giving the end-user all the advantages of flash photography without producing the jarring look. The invention uses an image pair—one taken with flash the other without—to remove noise from the ambient image, sharpen the ambient image using detail from the flash image, correct for color, and remove red-eye.
摘要翻译： 一种用于改进数码闪光照片的系统和方法。 本发明是一种技术，通过给终端用户提供闪光摄影的所有优点，而不会产生刺耳的外观，显着地改善了低光成像。 本发明使用图像对 - 其他闪光拍摄而不是从环境图像中去除噪声，使用来自闪光图像的细节来锐化环境图像，校正颜色并去除红眼。
-
公开(公告)号：US07450758B2
公开(公告)日：2008-11-11
申请号：US11942606
申请日：2007-11-19
申请人： Michael F. Cohen , Ying-Qing Xu , Heung-Yeung Shum , Jue Wang
发明人： Michael F. Cohen , Ying-Qing Xu , Heung-Yeung Shum , Jue Wang
IPC分类号： G06K9/00
CPC分类号： G11B27/034 , G06K9/00711 , G06T15/02 , H04N5/262
摘要： The techniques and mechanisms described herein are directed to a system for stylizing video, such as interactively transforming video to a cartoon-like style. Briefly stated, the techniques include determining a set of volumetric objects within a video, each volumetric object being a segment. Mean shift video segmentation may be used for this step. With that segmentation information, the technique further includes indicating on a limited number of keyframes of the video how segments should be merged into a semantic region. Finally, a contiguous volume is created by interpolating between keyframes by a mean shift constrained interpolation technique to propagate the semantic regions between keyframes.
摘要翻译： 这里描述的技术和机制针对用于对视频进行风格化的系统，诸如将视频交互地变换成卡通样式。 简而言之，技术包括确定视频内的一组体积对象，每个体积对象是一段。 平均移位视频分割可用于该步骤。 利用该分割信息，该技术还包括在片段的有限数量的关键帧上指示片段如何被合并到语义区域中。 最后，通过平均偏移约束插值技术在关键帧之间进行内插以在关键帧之间传播语义区域来创建连续体积。
-
-
-
-
-
-
-
-
-
搜索结果
74 条记录 (耗时 0.024 秒)
