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1. WO2020133468 - METHODS AND SYSTEMS FOR CAMERA CALIBRATION


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INTERNATIONAL SEARCH REPORT (ISR)
Part 1:  1  2  3  4  5  6          Part 2:  A  B  C  D  E 
International application No. Applicant's or agent's file reference
PCT/CN2018/125766 206330087W00
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
29 December 2018
Applicant
ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
b.
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
c.
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.
6. Drawings
a.
The figure of the drawings to be published with the abstract is Figure No.     5    
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
b.
none of the figures is to be published with the abstract.

A. CLASSIFICATION OF SUBJECT MATTER

According to International Patent Classification (IPC) or to both national classification and IPC

B. FIELDS SEARCHED

Minimum documentation searched (classification system followed by classification symbols):
     G06T
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
CNPAT,WPI,EPODOC,CNKI:image,captur+,process+,control+,driv+,stor+,rotat+matrix,three-dimensional,3D,wide,view+,points,match+,cameras,calibration,automatic

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
A
CN 103731658 A (MERCURY OPTOELECTRONICS RES INST,ET AL.) 16 April 2014 (2014-04-16)
1-25
description, paragraphs [0009]-[0174], figures 1-8
(2)
A
CN 101853521 A (WUHAN WEIMU TECHNOLOGY CO., LTD.) 06 October 2010 (2010-10-06)
1-25
the whole document
(3)
A
CN 103810746 A (TCL GROUP CO., LTD.) 21 May 2014 (2014-05-21)
1-25
the whole document
(4)
A
CN 107707899 A (THUNDERSOFT CO., LTD.) 16 February 2018 (2018-02-16)
1-25
the whole document
(5)
A
CN 106612397 A (NUBIA TECHNOLOGY CO., LTD.) 03 May 2017 (2017-05-03)
1-25
the whole document
(6)
A
CN 109005334 A (TSINGHUA-BERKELEY SHENZHEN INST PREPARAT) 14 December 2018 (2018-12-14)
1-25
the whole document
(7)
A
US 2014355820 A1 (XEROX CORP.) 04 December 2014 (2014-12-04)
1-25
the whole document
(8)
A
US 2003031359 A1 (MIKI, MITSUNORI,ET AL.) 13 February 2003 (2003-02-13)
1-25
the whole document
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"D"
document cited by the applicant in the international application
"E"
earlier application or patent but published on or after the international filing date
"L"
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
"O"
document referring to an oral disclosure, use, exhibition or other means
"P"
document published prior to the international filing date but later than the priority date claimed
"T"
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
"X"
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
"Y"
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
"&"
document member of the same patent family

D. INFORMATION ON PATENT FAMILY MEMBERS

Patent document cited in search report Publication date
(day/month/year)
Patent family member(s) Publication date
(day/month/year)
CN 103731658 A
16 April 2014
CN 103731658 B
US 2015181199 A1
US 9706188 B2
30 September 2015
25 June 2015
11 July 2017
CN 101853521 A
06 October 2010
CN 101853521 B
04 July 2012
CN 103810746 A
21 May 2014
None
CN 107707899 A
16 February 2018
CN 107707899 B
10 May 2019
CN 106612397 A
03 May 2017
None
CN 109005334 A
14 December 2018
None
US 2014355820 A1
04 December 2014
US 8995754 B2
31 March 2015
US 2003031359 A1
13 February 2003
JP 3535476 B2
JP 2002333312 A
US 7062082 B2
07 June 2004
22 November 2002
13 June 2006
Name and mailing address of the ISA/:
National Intellectual Property Administration, PRC
6, Xitucheng Rd., Jimen Bridge, Haidian District, Beijing 100088
China
Facsimile No. (86-10)62019451
Date of the actual completion of the international search:
09 September 2019
Date of mailing of the international search report:
27 September 2019
Authorized officer:
ZOU,Lina
Telephone No. 86-(10)-53962622
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