CN115380521A - 图像缩小的方法和装置 - Google Patents

图像缩小的方法和装置 Download PDF

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Publication number
CN115380521A
CN115380521A CN202080099741.3A CN202080099741A CN115380521A CN 115380521 A CN115380521 A CN 115380521A CN 202080099741 A CN202080099741 A CN 202080099741A CN 115380521 A CN115380521 A CN 115380521A
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China
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pixel
pixel point
target
point
channel
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CN202080099741.3A
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English (en)
Inventor
殷东羽
王维
林少伟
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN115380521A publication Critical patent/CN115380521A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)

Abstract

一种图像缩小的方法和装置(1600，1700)。该图像缩小的方法包括：获取包括N×N个像素点的图像中的第一像素点的位置对应的相位系数，并对该图像中的像素点进行去马赛克得到N×N个第一像素点，再根据该相位系数对N×N个第一像素点进行缩小处理。通过去马赛克处理可以将多个像素点都转换为同一个像素点，使得在图像的一个区域内的第一像素点增多，这样有助于在进行缩小操作时保持更多的高频性能，从而提高了图像缩小后的清晰度。

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PCT国内申请，说明书已公开。

Claims (17)

  1. PCT国内申请，权利要求书已公开。
CN202080099741.3A 2020-04-21 2020-04-21 图像缩小的方法和装置 Pending CN115380521A (zh)

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PCT/CN2020/085915 WO2021212320A1 (zh) 2020-04-21 2020-04-21 图像缩小的方法和装置

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CN115380521A true CN115380521A (zh) 2022-11-22

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WO (1) WO2021212320A1 (zh)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101500067B (zh) * 2009-02-18 2011-07-06 北京汉王智通科技有限公司 高清相机的快速图像处理方法
US8976161B2 (en) * 2012-03-01 2015-03-10 Apple Inc. Systems and methods for image processing
US9727947B2 (en) * 2015-03-23 2017-08-08 Microsoft Technology Licensing, Llc Downscaling a digital raw image frame
CN106303250A (zh) * 2016-08-26 2017-01-04 维沃移动通信有限公司 一种图像处理方法及移动终端
CN107341779B (zh) * 2017-07-10 2020-06-16 西安电子科技大学 基于物理成像模型的彩色图像去马赛克方法

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