CN114096994A - 图像对齐方法及装置、电子设备、存储介质 - Google Patents

图像对齐方法及装置、电子设备、存储介质 Download PDF

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Publication number
CN114096994A
CN114096994A CN202080001856.4A CN202080001856A CN114096994A CN 114096994 A CN114096994 A CN 114096994A CN 202080001856 A CN202080001856 A CN 202080001856A CN 114096994 A CN114096994 A CN 114096994A
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China
Prior art keywords
image
aligned
target feature
feature points
reference image
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CN202080001856.4A
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English (en)
Inventor
柴鹏帅
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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Publication of CN114096994A publication Critical patent/CN114096994A/zh
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
    • G06T7/33—Determination of transform parameters for the alignment of images, i.e. image registration using feature-based methods
    • G06T7/337—Determination of transform parameters for the alignment of images, i.e. image registration using feature-based methods involving reference images or patches
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
    • G06T7/33—Determination of transform parameters for the alignment of images, i.e. image registration using feature-based methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
    • G06T7/33—Determination of transform parameters for the alignment of images, i.e. image registration using feature-based methods
    • G06T7/344—Determination of transform parameters for the alignment of images, i.e. image registration using feature-based methods involving models
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20021—Dividing image into blocks, subimages or windows
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20182—Noise reduction or smoothing in the temporal domain; Spatio-temporal filtering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20212—Image combination
    • G06T2207/20221—Image fusion; Image merging

Abstract

一种图像对齐方法及装置、电子设备、存储介质。该方法包括：获取多帧原始图像，所述多帧原始图像包括一帧参考图像和多帧待对齐图像(11)；分别获取所述参考图像和各待对齐图像的亮度图像(12)；基于所述参考图像的亮度图像和所述各待对齐图像的亮度图像，获取所述参考图像和所述各待对齐图像之间的映射模型(13)；基于所述映射模型，将所述各待对齐图像与所述参考图像对齐(14)。该方法是基于亮度图像获取的映射矩阵模型，使得矩阵模型对亮度具有鲁棒性，可以满足不同亮度场景尤其是极暗场景下的图像对齐要求。

Description

PCT国内申请，说明书已公开。

Claims (22)

  1. PCT国内申请，权利要求书已公开。
CN202080001856.4A 2020-05-29 2020-05-29 图像对齐方法及装置、电子设备、存储介质 Pending CN114096994A (zh)

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CN114096994A true CN114096994A (zh) 2022-02-25

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US (1) US11763470B2 (zh)
EP (1) EP3940633B1 (zh)
CN (1) CN114096994A (zh)
WO (1) WO2021237732A1 (zh)

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US11910092B2 (en) * 2020-10-01 2024-02-20 Black Sesame Technologies Inc. Panoramic look-around view generation method, in-vehicle device and in-vehicle system
CN113706592A (zh) * 2021-08-24 2021-11-26 北京百度网讯科技有限公司 一种定位信息的修正方法、装置、电子设备和存储介质
CN115953332B (zh) * 2023-03-15 2023-08-18 四川新视创伟超高清科技有限公司 动态图像融合的亮度调整方法、系统、电子设备
CN117671011A (zh) * 2024-01-31 2024-03-08 山东大学 基于改进orb算法的agv定位精度提升方法及系统

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US9398205B2 (en) * 2010-09-01 2016-07-19 Apple Inc. Auto-focus control using image statistics data with coarse and fine auto-focus scores
US9686537B2 (en) * 2013-02-05 2017-06-20 Google Inc. Noise models for image processing
JP5946421B2 (ja) * 2013-03-19 2016-07-06 キヤノン株式会社 撮像装置及びその制御方法
CN103559722B (zh) * 2013-11-25 2016-03-02 哈尔滨工业大学 基于灰度线性建模的序列图像抖动量计算方法
CN107016695B (zh) * 2017-04-13 2019-09-17 首都师范大学 一种亚像素级影像配准方法及系统
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Publication number Priority date Publication date Assignee Title
CN116664431A (zh) * 2023-05-30 2023-08-29 原朗智芯(苏州)数字科技有限公司 一种基于人工智能的图像处理系统及方法
CN116664431B (zh) * 2023-05-30 2024-04-12 新疆美特智能安全工程股份有限公司 一种基于人工智能的图像处理系统及方法

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US11763470B2 (en) 2023-09-19
EP3940633B1 (en) 2023-08-16
WO2021237732A1 (zh) 2021-12-02
EP3940633A1 (en) 2022-01-19
US20210374979A1 (en) 2021-12-02
EP3940633A4 (en) 2022-03-16

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