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1. WO2020107137 - SYSTEMS AND METHODS FOR POINT CLOUD RENDERING USING VIDEO MEMORY POOL


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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/CN2018/117371 20615D091W00
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
26 November 2018
Applicant
BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT 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.     3    
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

     G06T; 15/00(2011.01)i
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):
     G06F; 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):
DWPI;VEN;CNABS;CNTXT: point, cloud, data, render, load, display, memory, buffer, video, frame, allocate, divide, partition, segment, block, multiple, thread, parallel

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
Y
CN 104750854 A (WUHAN HI-CLOUD TECHNOLOGY CO.,LTD.) 01 July 2015 (2015-07-01)
1-20
see the description paragraphs [0002]-[0069], figs.1-4
(2)
Y
WO 2015019197 A2 (MOLONEY DAVID ET AL.) 12 February 2015 (2015-02-12)
1-20
see the description paragraphs [0073]-[0200], figs.1-11
(3)
A
CN 104391906 A (WUHAN HI-CLOUD TECHNOLOGY CO.,LTD.) 04 March 2015 (2015-03-04)
1-20
the whole document
(4)
A
CN 106600570 A (UNIV SOUTHWEST SCI & TECHNOLOGY ET AL.) 26 April 2017 (2017-04-26)
1-20
the whole document
(5)
A
US 2009060345 A1 (LEICA GEOSYSTEMS AG) 05 March 2009 (2009-03-05)
1-20
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 104750854 A
01 July 2015
CN 104750854 B
02 March 2018
WO 2015019197 A2
19 November 2015
US 2018349147 A1
US 9146747 B2
JP 2016536692 A
KR 20160056881 A
EP 3031047 A2
WO 2015019197 A2
US 2015046678 A1
US 2015046677 A1
US 9934043 B2
CN 105765623 A
06 December 2018
29 September 2015
24 November 2016
20 May 2016
15 June 2016
12 February 2015
12 February 2015
12 February 2015
03 April 2018
13 July 2016
CN 104391906 A
04 March 2015
CN 104391906 B
20 June 2017
CN 106600570 A
26 April 2017
None
US 2009060345 A1
05 March 2009
US 8204313 B2
US 8391610 B2
US 2012179690 A1
19 June 2012
05 March 2013
12 July 2012
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:
07 August 2019
Date of mailing of the international search report:
14 August 2019
Authorized officer:
SHANG,Qin
Telephone No. 86-(010)-62089385
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