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Compressive Sense Imaging

a compression sense and image processing technology, applied in the field of compressive sense image processing, can solve the problems of requiring significant computational resources and time, and the compression of raw pixel data does not always meaningfully reduce the size of the captured imag

Inactive Publication Date: 2015-12-31
ALCATEL LUCENT SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes a system and method for compressive sensing imaging that can capture a high-quality image of an object using a small number of measurements. The system includes an aperture array and a sensor, which work together to generate intermediate compressive measurements that are further processed to create a compressed image of the object. An uncompressed image can also be generated from the compressive measurements. The method involves determining sequence matrices, generating intermediate compressive measurements, and processing them to create the compressed image of the object. The system can be used for various applications such as medical imaging or security surveillance.

Problems solved by technology

Although compression after capturing the raw data for each of the N pixels of the image is generally useful for reducing the size of the image (or video) captured by the camera, it requires significant computational resources and time.
In addition, compression of the raw pixel data does not always meaningfully reduce the size of the captured images.

Method used

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Embodiment Construction

[0020]Various aspects of the disclosure are described below with reference to the accompanying drawings, in which like numerals refer to like elements in the description of the figures. The description and drawings merely illustrate the principles of the disclosure; various structures, systems and devices are described and depicted in the drawings for purposes of explanation only and so as not to obscure the present invention with details that are well known to those skilled in the art, who will be able to devise various arrangements that, although not explicitly described or shown herein, embody the principles and are included within spirit and scope of the disclosure.

[0021]As used herein, the term, “or” refers to a non-exclusive or, unless otherwise indicated (e.g., “or else” or “or in the alternative”). Furthermore, words used to describe a relationship between elements should be broadly construed to include a direct relationship or the presence of intervening elements unless oth...

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Abstract

Systems and methods for compressive sense imaging are provided. In one aspect, incident light reflecting from an object is received via an aperture array and a sensor and intermediate compressive measurements are generated using compressive sequence matrices that are determined based on the properties of the aperture array and the sensor. The intermediate compressive measurements are further processed to generate compressive measurements representing the compressed image of the object. An uncompressed image of the object is generated from the compressive measurements using a determined reconstruction matrix that is different from the sequence matrices used to acquire the intermediate compressive measurements.

Description

CROSS-REFERENCE[0001]The present application references subject matter of the following U.S. applications, each of which is incorporated by reference herein in its entirety: U.S. application Ser. No. 13 / 658,904 filed on Oct. 24, 2012 and entitled “Resolution and Focus Enhancement”; U.S. application Ser. No. 13 / 658,900 filed on Oct. 24, 2012 and entitled “Lensless Compressive Image Acquisition”; U.S. application Ser. No. 13 / 367,413 filed on Feb. 7, 2012 and entitled “Lensless Compressive Image Acquisition”; and, U.S. application Ser. No. 12 / 894,855 filed on Sep. 30, 2010 and entitled “Apparatus and Method for Generating Compressive Measurements of Video Using Spatial and Temporal Integration”, which issued as U.S. Pat. No. 8,644,376 on Feb. 4, 2014.TECHNICAL FIELD[0002]This disclosure is directed to systems and methods for compressive sense image processing.BACKGROUND[0003]This section introduces aspects that may be helpful in facilitating a better understanding of the systems and me...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04N19/85H04N19/169
CPCH04N19/169H04N19/85H04N19/51H04N19/48H04N19/44
Inventor JIANG, HONGHUANG, GANGWILFORD, PAUL ALBIN
Owner ALCATEL LUCENT SAS