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    METHOD AND SYSTEM OF RETRIEVING DATA IN A DATA FILE
    1.
    发明申请
    METHOD AND SYSTEM OF RETRIEVING DATA IN A DATA FILE 审中-公开

    公开(公告)号：US20200218692A1

    公开(公告)日：2020-07-09

    申请号：US16820335

    申请日：2020-03-16

    Applicant: PIXIA CORP.

    Inventor： Rahul C. THAKKAR ,  Scott L. PAKULA

    IPC: G06F16/11 ,  G06F16/188 ,  G06F16/22 ,  H04L29/08 ,  H04L29/06

    Abstract: A method and system for requesting information from a server are provided. The method may include sending, by a client to a server, an HTTP GET request to retrieve at least a portion of at least one derived data file, the at least one derived data file being dynamically generated by the server in response to the request using a data file virtualization policy and at least a portion of a data file. The data file virtualization policy and the data file may be stored in a storage accessible by the server, and the dynamic generation may comprise an aligned unbuffered direct read operation from the stored data file of a data size that is aligned to an integer multiple of the storage's block size. The at least the portion of the at least one derived data file may then be received by the client from the server.

    METHOD AND SYSTEM OF RETRIEVING DATA IN A DATA FILE
    2.
    发明申请
    METHOD AND SYSTEM OF RETRIEVING DATA IN A DATA FILE 审中-公开

    公开(公告)号：US20180293247A1

    公开(公告)日：2018-10-11

    申请号：US15977052

    申请日：2018-05-11

    Applicant: PIXIA CORP.

    Inventor： Rahul C. THAKKAR ,  Scott L. PAKULA

    IPC: G06F17/30 ,  H04L29/08 ,  H04L29/06

    Abstract: A method and system for requesting information from a server are provided. The method may include sending, by a client to a server, an HTTP GET request to retrieve at least a portion of at least one derived data file, the at least one derived data file being dynamically generated by the server in response to the request using a data file virtualization policy and at least a portion of a data file. The data file virtualization policy and the data file may be stored in a storage accessible by the server, and the dynamic generation may comprise an aligned unbuffered direct read operation from the stored data file of a data size that is aligned to an integer multiple of the storage's block size. The at least the portion of the at least one derived data file may then be received by the client from the server.

    METHOD AND SYSTEM OF PROCESSING A VIEWPORT WITHIN LARGE FORMAT IMAGERY
    3.
    发明申请
    METHOD AND SYSTEM OF PROCESSING A VIEWPORT WITHIN LARGE FORMAT IMAGERY 有权
    在大型格式图像中处理视图的方法和系统

    公开(公告)号：US20150242991A1

    公开(公告)日：2015-08-27

    申请号：US14710163

    申请日：2015-05-12

    Applicant: PIXIA CORP.

    Inventor： Rahul C. THAKKAR ,  Scott L. PAKULA ,  Rudolf O. ERNST

    IPC: G06T1/60

    CPC classification number: G06T1/60 ,  G06F17/30244 ,  G06F17/30247 ,  G06F17/3028 ,  G06F17/30342 ,  G06F17/30362 ,  G06F17/30371 ,  G06F17/30598 ,  G06T1/00 ,  H04N21/23424 ,  H04N21/2353 ,  H04N21/2383 ,  H04N21/2662 ,  H04N21/2665 ,  H04N21/6125

    Abstract: A computer system for processing a viewport within an image arranged as a matrix of tiles from a container file is disclosed herein. The computer system includes one or more processors configured to: (a) receive a request to read data of the viewport starting from a point of origin of the viewport, the viewport having a pixel width and a pixel height, the viewport being a portion of an image that is stored in a record within the file container; (b) compute column numbers or row numbers, or both, of the tiles containing the viewport; and (c) read in parallel or asynchronously each row or each column of tiles containing the viewport.

    Abstract translation: 本文公开了一种用于处理从容器文件排列为瓦片矩阵的图像内的视口的计算机系统。 计算机系统包括一个或多个处理器，其被配置为：（a）接收从视口的起点开始读取视口的数据的请求，视口具有像素宽度和像素高度，视口是 存储在文件容器内的记录中的图像; （b）计算包含视口的瓦片的列号或行号，或两者; 和（c）平行或异步读取包含视口的每一行或每列瓦片。

    METHOD AND SYSTEM FOR PROVIDING A FEDERATED WIDE AREA MOTION IMAGERY COLLECTION SERVICE
    5.
    发明申请
    METHOD AND SYSTEM FOR PROVIDING A FEDERATED WIDE AREA MOTION IMAGERY COLLECTION SERVICE 有权

    公开(公告)号：US20170270118A1

    公开(公告)日：2017-09-21

    申请号：US15612731

    申请日：2017-06-02

    Applicant: PIXIA CORP.

    Inventor： Rahul C. THAKKAR ,  Michael L. MARAIST

    IPC: G06F17/30 ,  H04L29/08

    CPC classification number: G06F17/3028 ,  G06F17/30047 ,  G06F17/30241 ,  G06F17/30283 ,  G06F17/30858 ,  H04L67/16

    Abstract: A method and a computer system for providing a federated wide area motion imagery (WAMI) collection service are provided. The method may include collecting WAMI collection metadata by issuing a request for retrieving WAMI collection metadata from one WAMI collection service (CS) and storing the response. The WAMI CS may run at a geographic location, and WAMI data may be collected and stored there. The WAMI collection metadata may indicate where the WAMI data is stored, and it may be transmitted to the federated WAMI CS. The method may further include organizing the WAMI collection metadata in a tree structure or directed acyclic graph (DAG). A request for accessing the stored WAMI data may then be received from a client using the stored WAMI collection metadata. Access may be provided to the geographic location of the WAMI CS to retrieve a portion of the WAMI data.

    METHOD AND SYSTEM FOR PROVIDING A FEDERATED WIDE AREA MOTION IMAGERY COLLECTION SERVICE
    7.
    发明申请
    METHOD AND SYSTEM FOR PROVIDING A FEDERATED WIDE AREA MOTION IMAGERY COLLECTION SERVICE 审中-公开

    公开(公告)号：US20190354549A1

    公开(公告)日：2019-11-21

    申请号：US16526480

    申请日：2019-07-30

    Applicant: PIXIA CORP.

    Inventor： Rahul C. THAKKAR ,  Michael L. MARAIST

    IPC: G06F16/51 ,  G06F16/432 ,  G06F16/71 ,  H04L29/08 ,  G06F16/27 ,  G06F16/29

    Abstract: This disclosure relates to WAMI discovery, specifically including: issuing a first request to a WAMI federated collection service (FCS) to retrieve WAMI collection metadata, the WAMI FCS being in communication with a WAMI collection service (CS), each WAMI CSs being in communication with a location where WAMI data is stored; receiving a response in a first format from the WAMI FCS; translating the received WAMI collection metadata from the first format into another format; issuing a second request to the WAMI FCS to access WAMI data in the other format; and retrieving in response to the second request, the WAMI data in the other format from the location that corresponds to a network link.

    METHOD AND SYSTEM FOR PROVIDING A FEDERATED WIDE AREA MOTION IMAGERY COLLECTION SERVICE
    8.
    发明申请
    METHOD AND SYSTEM FOR PROVIDING A FEDERATED WIDE AREA MOTION IMAGERY COLLECTION SERVICE 审中-公开

    公开(公告)号：US20180121425A1

    公开(公告)日：2018-05-03

    申请号：US15850069

    申请日：2017-12-21

    Applicant: PIXIA CORP.

    Inventor： Rahul C. THAKKAR ,  Michael L. MARAIST

    IPC: G06F17/30 ,  H04L29/08

    CPC classification number: G06F17/3028 ,  G06F17/30047 ,  G06F17/30241 ,  G06F17/30283 ,  G06F17/30858 ,  H04L67/16

    Abstract: This disclosure provides a federated wide area motion imagery (WAMI) collection service (CS) by: receiving an alert from a WAMI alert-service (A) respectively associated with a WAMI CS regarding any updates to WAMI data served by the WAMI CS at the federated WAMI CS, the WAMI CS providing WAMI collection metadata; issuing a request to the WAMI A associated with the WAMI CS to read information on what is updated; receiving a response from the WAMI A at the federated WAMI CS, the response comprising tree nodes corresponding to WAMI collection metadata that are updated by the WAMI CS; issuing a subsequent request to the WAMI CS from the federated WAMI CS to retrieve the WAMI collection metadata from the WAMI CS corresponding to the collection tree nodes that are updated; receiving a response including the WAMI collection metadata from the WAMI CS; and storing the received WAMI collection metadata in cache of the federated WAMI CS of the system.

    METHOD AND SYSTEM FOR WIDE AREA MOTION IMAGERY DISCOVERY USING KML
    9.
    发明申请
    METHOD AND SYSTEM FOR WIDE AREA MOTION IMAGERY DISCOVERY USING KML 有权
    使用KML的广域运动图像发现的方法和系统

    公开(公告)号：US20140160281A1

    公开(公告)日：2014-06-12

    申请号：US13784726

    申请日：2013-03-04

    Applicant: PIXIA CORP.

    Inventor： Rahul C. THAKKAR ,  Ian D. Heffernan

    IPC: H04N7/18

    CPC classification number: G06F17/3028 ,  G06F17/30047 ,  G06F17/30241 ,  G06F17/30283 ,  G06F17/30858 ,  H04L67/16

    Abstract: A method and a computer system for WAMI discovery are provided. The method includes issuing a request to a WAMI collection service in one or more WAMI collection services to retrieve an entire collection tree metadata at said WAMI collection service; receiving a response from the WAMI collection service, the response comprising the entire collection tree metadata, the response being in a first format; and translating the response from the first format into KML format, wherein the translating includes mapping a one-to-one of WAMI collection tree nodes from the first format into KML nodes.

    Abstract translation: 提供了一种用于WAMI发现的方法和计算机系统。 该方法包括在一个或多个WAMI收集服务中向WAMI收集服务发出请求以在所述WAMI收集服务中检索整个收集树元数据; 接收来自WAMI收集服务的响应，响应包括整个收集树元数据，响应处于第一格式; 以及将所述第一格式的响应转换为KML格式，其中所述翻译包括将所述第一格式的一对一的WAMI收集树节点映射到KML节点。

    METHOD OF INSERTING AN IMAGE INTO A CONTAINER FILE
    10.
    发明申请
    METHOD OF INSERTING AN IMAGE INTO A CONTAINER FILE 有权
    将图像插入集装箱文件的方法

    公开(公告)号：US20130325911A1

    公开(公告)日：2013-12-05

    申请号：US13963908

    申请日：2013-08-09

    Applicant: PIXIA CORP.

    Inventor： Rahul C. THAKKAR ,  Scott L. Pakula ,  Rudolf O. Ernst

    IPC: G06F17/30

    CPC classification number: G06T1/60 ,  G06F17/30244 ,  G06F17/30247 ,  G06F17/3028 ,  G06F17/30342 ,  G06F17/30362 ,  G06F17/30371 ,  G06F17/30598 ,  G06T1/00 ,  H04N21/23424 ,  H04N21/2353 ,  H04N21/2383 ,  H04N21/2662 ,  H04N21/2665 ,  H04N21/6125

    Abstract: A method of inserting an image into a container file including reading source data including the image; opening the container file where the image will be stored, the container file comprising one or more records. Each record includes an image file section reserved for storing the image, an image metadata section reserved for storing data about the image, and a record metadata section having a status flag or status mark indicating whether the image file section is empty. The method further includes determining whether the source data is valid to be entered into a record in the one or more records; if the source of data is valid, preparing the record and the image metadata; and writing the record into the container file and marking the status mark of the record as being updated while writing the record into the container file.

    Abstract translation: 一种将图像插入到容器文件中的方法，包括读取包括图像的源数据; 打开存储图像的容器文件，容器文件包括一个或多个记录。 每个记录包括保存用于存储图像的图像文件部分，保存用于存储关于图像的数据的图像元数据部分，以及具有指示图像文件部分是否为空的状态标志或状态标记的记录元数据部分。 该方法还包括确定源数据是否有效以输入到一个或多个记录中的记录中; 如果数据源有效，准备记录和图像元数据; 并将记录写入容器文件，并将记录的状态标记标记为更新，同时将记录写入容器文件。

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