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    • 21. 发明授权
    • System and method for determining image similarity
    • US06826316B2
    • 2004-11-30
    • US09798604
    • 2001-03-02
    • Jiebo LuoWei ZhuGeorge E. SotakRobert T. GrayRajiv Mehrotra
    • Jiebo LuoWei ZhuGeorge E. SotakRobert T. GrayRajiv Mehrotra
    • G06K954
    • G06K9/52G06K9/6217Y10S707/99936
    • A system and method for determining image similarity. The method includes the steps of automatically providing perceptually significant features of main subject or background of a first image; automatically providing perceptually significant features of main subject or background of a second image; automatically comparing the perceptually significant features of the main subject or the background of the first image to the main subject or the background of the second image; and providing an output in response thereto. In the illustrative implementation, the features are provided by a number of belief levels, where the number of belief levels are preferably greater than two. The perceptually significant features include color, texture and/or shape. In the preferred embodiment, the main subject is indicated by a continuously valued belief map. The belief values of the main subject are determined by segmenting the image into regions of homogenous color and texture, computing at least one structure feature and at least one semantic feature for each region, and computing a belief value for all the pixels in the region using a Bayes net to combine the features. In an illustrative application, the inventive method is implemented in an image retrieval system. In this implementation, the inventive method automatically stores perceptually significant features of the main subject or background of a plurality of first images in a database to facilitate retrieval of a target image in response to an input or query image. Features corresponding to each of the plurality of stored images are automatically sequentially compared to similar features of the query image. Consequently, the present invention provides an automatic system and method for controlling the feature extraction, representation, and feature-based similarity retrieval strategies of a content-based image archival and retrieval system based on an analysis of main subject and background derived from a continuously valued main subject belief map.
    • 23. 发明授权
    • Digital image processing system and method for emphasizing a main subject of an image
    • 用于强调图像的主要对象的数字图像处理系统和方法
    • US07212668B1
    • 2007-05-01
    • US09642533
    • 2000-08-18
    • Jiebo LuoRobert T. Gray
    • Jiebo LuoRobert T. Gray
    • G06K9/00
    • G06T11/60G06T7/11G06T11/001G06T2207/30201
    • A system and method for automatically altering an image having pixels is disclosed. An image is segmented into regions and various features of the regions are extracted and used to calculate a confidence factor, or belief value, that a particular region is a main subject of the image. The belief values are assembled into a belief map that is used to define how pixel values are to be altered. Various color and appearance values of the pixel are altered in a predetermined way to emphasize the main subject of the image. The emphasis is applied in a binary fashion or as in a gradient of values. Either the main subject can be emphasized, or the secondary or background subjects can be de-emphasized. The system can be implement on a variety of computer systems.
    • 公开了一种用于自动改变具有像素的图像的系统和方法。 将图像分割成区域,并且提取区域的各种特征并用于计算特定区域是图像的主要对象的置信因子或置信度值。 信念值被组合成用于定义如何改变像素值的信念图。 以预定的方式改变像素的各种颜色和外观值以强调图像的主要对象。 强调以二进制方式应用,或以值的梯度来应用。 可以强调主要主题,或者可以不再强调次要或背景科目。 该系统可以在各种计算机系统上实现。
    • 28. 发明授权
    • Method for aligning different photo streams
    • 对齐不同照片流的方法
    • US08380039B2
    • 2013-02-19
    • US12942407
    • 2010-11-09
    • Jiebo LuoJianchao YangJie Yu
    • Jiebo LuoJianchao YangJie Yu
    • H04N5/77
    • H04N9/8205H04N5/772H04N5/91
    • A method for organizing individual collections of images or videos captured for the same event by different cameras into a master collection, wherein each individual collection forms a media stream in chronological order. A processor for extracting image features for each image or video of the media stream of each collection; constructing a graph based on the extracted features to link the images or videos from the two media streams; finding on the graph at least a pair of images or videos, each from one of the two media streams, that corresponds to correlated captured content; aligning the remaining images or videos in response to the aligned pair so that the all images or videos from the two media streams are aligned over a common timeline; and producing a master stream in chronological order of the event over a common timeline by merging the aligned individual.
    • 一种用于将由不同相机拍摄的相同事件的图像或视频的各个集合组织成主集合的方法,其中每个单独集合以时间顺序形成媒体流。 一种用于为每个集合的媒体流的每个图像或视频提取图像特征的处理器; 基于提取的特征构建图表以链接来自两个媒体流的图像或视频; 在图上找到至少一对图像或视频,每个图像或视频各自来自两个媒体流之一,对应于相关的捕获的内容; 响应于对准的对对齐剩余的图像或视频,使得来自两个媒体流的所有图像或视频在公共时间线上对齐; 并通过合并对齐的个体在公共时间轴上按时间顺序生成主流。
    • 29. 发明申请
    • ALIGNING AND SUMMARIZING DIFFERENT PHOTO STREAMS
    • 校准和总结不同的照片流
    • US20120113121A1
    • 2012-05-10
    • US12942391
    • 2010-11-09
    • Jiebo LuoJianchao Yang
    • Jiebo LuoJianchao Yang
    • G06T11/20G06K9/46
    • G06F17/30247G06F17/30265G06F17/30781
    • A method for organizing individual collections of images or videos captured for the same event by different cameras into a master collection, wherein each individual collection forms a media stream in chronological order, includes using a processor to provide the following steps: extracting image features for each image or video of the media stream of each individual collection; analyzing the extracted features to align the media streams to form a master stream in chronological order of the event over a common timeline; producing a master collection of images or videos of the event from the master stream by removing redundant images or videos; and storing, displaying or transmitting the master collection.
    • 一种用于将由不同摄像机捕获的相同事件的图像或视频的个体集合组织成主集合的方法,其中每个单独集合以时间顺序形成媒体流,包括使用处理器提供以下步骤:为每个集合提取图像特征 每个单独集合的媒体流的图像或视频; 分析提取的特征以使媒体流对准以在公共时间线上的事件的时间顺序形成主流; 通过删除冗余图像或视频,从主流中产生主题集合的图像或视频; 并存储,显示或发送主集合。
    • 30. 发明授权
    • Eye gazing imaging for video communications
    • 眼睛注视成像视频通信
    • US08154583B2
    • 2012-04-10
    • US11756575
    • 2007-05-31
    • Andrew F. KurtzJiebo Luo
    • Andrew F. KurtzJiebo Luo
    • H04N7/14
    • H04N7/15H04N7/147
    • Video communication systems and methods for communicating between an individual in a local environment, and a remote viewer in a remote environment are provided. The system has an image display device; at least one image capture device which acquires video images for fields of view of a local environment, and any individuals therein; an audio system having an audio emission device and an audio capture device; a computer, which includes a contextual interface having a gaze adapting process, and image processor; and a communication controller which transmits and receives video images of the local environment and the remote environment, and data regarding video scene characteristics thereof across a network between the local environment and the remote environment; wherein the gaze adapting process identifies video scene characteristics of the local environment indicative of eye gaze image capture and altering the video images when the characteristics are indicative.
    • 提供了用于在本地环境中的个人和远程环境中的远程观看者之间进行通信的视频通信系统和方法。 该系统具有图像显示装置; 至少一个图像采集装置,其获取用于当地环境的视野的视频图像,以及其中的任何个体; 具有音频发射装置和音频捕获装置的音频系统; 计算机,其包括具有凝视适应过程的上下文界面和图像处理器; 以及通信控制器,其发送和接收本地环境和远程环境的视频图像,以及关于本地环境和远程环境之间的网络的关于其视频场景特性的数据; 其中,注视适应过程识别指示眼睛注视图像捕获的局部环境的视频场景特征,并且在特征指示时改变视频图像。