CN115150598B - 确定目标坐标的方法及装置 - Google Patents

确定目标坐标的方法及装置 Download PDF

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Publication number
CN115150598B
CN115150598B CN202110352772.1A CN202110352772A CN115150598B CN 115150598 B CN115150598 B CN 115150598B CN 202110352772 A CN202110352772 A CN 202110352772A CN 115150598 B CN115150598 B CN 115150598B
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Prior art keywords
determining
projection
target
reference point
optical zoom
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CN202110352772.1A
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Chinese (zh)
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CN115150598A (zh
Inventor
张立造
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Chengdu Jimi Technology Co Ltd
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Chengdu Jimi Technology Co Ltd
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Priority to CN202110352772.1A priority Critical patent/CN115150598B/zh
Priority to PCT/CN2021/120719 priority patent/WO2022205814A1/fr
Publication of CN115150598A publication Critical patent/CN115150598A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3185—Geometric adjustment, e.g. keystone or convergence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Projection Apparatus (AREA)
  • Image Processing (AREA)
CN202110352772.1A 2021-03-31 2021-03-31 确定目标坐标的方法及装置 Active CN115150598B (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202110352772.1A CN115150598B (zh) 2021-03-31 2021-03-31 确定目标坐标的方法及装置
PCT/CN2021/120719 WO2022205814A1 (fr) 2021-03-31 2021-09-26 Procédé et appareil de détermination de coordonnées cibles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110352772.1A CN115150598B (zh) 2021-03-31 2021-03-31 确定目标坐标的方法及装置

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CN115150598A CN115150598A (zh) 2022-10-04
CN115150598B true CN115150598B (zh) 2023-05-12

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CN (1) CN115150598B (fr)
WO (1) WO2022205814A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108632585A (zh) * 2017-03-24 2018-10-09 中兴通讯股份有限公司 一种图像校正方法及装置、存储介质、投影设备
CN108924521A (zh) * 2018-05-31 2018-11-30 晨星半导体股份有限公司 投影系统的梯形校正方法及设备
CN110290364A (zh) * 2019-06-04 2019-09-27 成都极米科技股份有限公司 侧投模式下的无极变焦方法、装置及可读存储介质
CN110996083A (zh) * 2019-12-19 2020-04-10 成都极米科技股份有限公司 一种梯形校正方法、装置和电子设备及可读存储介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5405047B2 (ja) * 2008-05-09 2014-02-05 三洋電機株式会社 投写型映像表示装置
CN101329761A (zh) * 2008-07-25 2008-12-24 北京中星微电子有限公司 一种投影设备梯形失真调节方法及装置
JP5353596B2 (ja) * 2009-09-18 2013-11-27 セイコーエプソン株式会社 投写型表示装置、キーストン補正方法
JP5377278B2 (ja) * 2009-12-28 2013-12-25 キヤノン株式会社 投射型表示装置及び幾何学歪補正方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108632585A (zh) * 2017-03-24 2018-10-09 中兴通讯股份有限公司 一种图像校正方法及装置、存储介质、投影设备
CN108924521A (zh) * 2018-05-31 2018-11-30 晨星半导体股份有限公司 投影系统的梯形校正方法及设备
CN110290364A (zh) * 2019-06-04 2019-09-27 成都极米科技股份有限公司 侧投模式下的无极变焦方法、装置及可读存储介质
CN110996083A (zh) * 2019-12-19 2020-04-10 成都极米科技股份有限公司 一种梯形校正方法、装置和电子设备及可读存储介质

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WO2022205814A1 (fr) 2022-10-06
CN115150598A (zh) 2022-10-04

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