CN103093213B - Video file classification method and terminal - Google Patents
Video file classification method and terminal Download PDFInfo
- Publication number
- CN103093213B CN103093213B CN201310032781.8A CN201310032781A CN103093213B CN 103093213 B CN103093213 B CN 103093213B CN 201310032781 A CN201310032781 A CN 201310032781A CN 103093213 B CN103093213 B CN 103093213B
- Authority
- CN
- China
- Prior art keywords
- video file
- image information
- human face
- face image
- bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Processing Or Creating Images (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The invention discloses a kind of video file classification method, comprise the following steps: extract all of human face image information in video file；Human face image information described in comparison and the original records bar of storage in data base successively；Update described original records bar according to comparison result or generate new record bar；Generating corresponding file according to the described original records bar after updating or described new record bar, each file deposits the video file containing identical human face image information.Compared with prior art, the video file classification method of the present invention achieves and the video file including identical facial image is divided into a class, facilitate user search specific someone all videos, easy and simple to handle, save the lookup time and Consumer's Experience is effective.The present invention discloses a kind of video file classification terminal.
Description
Technical field
The present invention relates to document classification technical field, relate more specifically to a kind of video file classification method and end
End.
Background technology
The most perfect along with mobile terminal function, people are possible not only to utilize mobile terminal to take pictures, more
Achieve and utilize mobile terminal to carry out recorded video, as household or friend's recorded video.
But, the video that user is recorded by current mobile terminal be usually with the time name, be i.e. with time
Between successively to visual classification, which results in when mobile terminal stores more video file, very
The difficult video picking out the someone wished to from various video file, needs user to click on one by one and regards
Frequency makes a look up, and complex operation, loses time and Consumer's Experience is the highest.
Therefore, it is necessary to provide a kind of video file classification method and terminal to overcome drawbacks described above.
Summary of the invention
It is an object of the invention to provide a kind of video file classification method, thus realize including identical face figure
The video file of picture is divided into a class, and then facilitates user to search the video of specific someone, easy and simple to handle, joint
Save time and improve Consumer's Experience.
It is a further object of the present invention to provide a kind of video file classification terminal, thus realize to include same person
The video file of face image is divided into a class, and then facilitates user to search the video of specific someone, easy and simple to handle,
Time-consuming and improve Consumer's Experience.
For achieving the above object, the invention provides a kind of video file classification method, comprise the following steps:
Extract all of human face image information in video file；
Human face image information described in comparison and the original records bar of storage in data base successively；
Update described original records bar according to comparison result or generate new record bar；
Corresponding file, Mei Yisuo is generated according to the described original records bar after updating or described new record bar
State file and deposit the video file containing identical human face image information.
Compared with prior art, the video file classification method of the present invention is by carrying out face knowledge to video file
Not thus extract the face images information in video file, the most successively by each human face image information
Compare with the original records bar in data base, and update original records bar according to comparison result or generate new
Record strip, the new record bar finally according to the original records bar updated or generation generates corresponding file, its
In in each file storage have the video file comprising identical human face image information, it is achieved thereby that will include
The video file of identical human face image information is divided into a class and stores up in same file presss from both sides, and facilitates user and looks into
Look for all video files of specific someone, easy and simple to handle, time-consuming and improve Consumer's Experience.
It is preferred that described original records bar or described new record bar include following information: facial image mark,
The mark of the described video file belonging to human face image information, described human face image information and described facial image
The time point that information occurs in described video file.
It is preferred that also include before described " extracting all of human face image information in video file ": judge
Whether described video file exists facial image, extracts all of face in video file according to judged result
Image information or add an invalid value in the attribute of described video file.
It is preferred that described " update described original records bar according to comparison result or generate new record bar " is concrete
For:
When described human face image information is identical with the human face image information in described original records bar, extract also
Add the mark of described video file belonging to described human face image information and described human face image information described
The time point occurred in video file updates described original records bar to described original records bar with realization；
When described human face image information is different from the human face image information in described original records bar, according to newly
Facial image mark, described human face image information, extraction described human face image information belonging to described regard
The time point generation that the mark of frequency file and described human face image information occur in described video file is described newly
Record strip.
It is preferred that described facial image is designated numeral or letter.
Correspondingly, present invention also offers a kind of video file classification terminal, including:
Data base, for storing video file, original records bar and the file of generation；
Extraction module, is used for extracting all of human face image information in video file；
Comparing module, the described human face image information extracted for extraction module described in comparison successively is with described
The original records bar of storage in data base；
Record strip processing module, for updating described original records bar according to comparison result or generating new record bar
To be stored in described data base；
File generation module, for generating according to the described original records bar after updating or described new record bar
Corresponding file, each described file deposits the video file containing identical human face image information.
It is preferred that described original records bar or described new record bar include following information: facial image mark,
The mark of the described video file belonging to human face image information, described human face image information and described facial image
The time point that information occurs in described video file.
It is preferred that described terminal also includes:
Judging treatmenting module, for judging whether there is face figure in the described video file in described data base
Picture also indicates the work of described extraction module according to judged result or adds one in the attribute of described video file
Invalid value.
It is preferred that described record strip processing module specifically includes:
Record strip updating block, for when the face figure in described human face image information with described original records bar
When information is identical, extract and add mark and the institute of described video file belonging to described human face image information
State time point that human face image information occurs in described video file to described original records bar to realize renewal
Described original records bar；
Record strip signal generating unit, for when the face figure in described human face image information with described original records bar
During as information difference, according to new facial image mark, described human face image information, the described face of extraction
Mark and the described human face image information of the described video file belonging to image information go out in described video file
Existing time point generates described new record bar.
It is preferred that described facial image is designated numeral or letter.
By description below and combine accompanying drawing, the present invention will become more fully apparent, and these accompanying drawings are used for explaining
Embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is the flow chart of video file classification method one embodiment of the present invention.
Fig. 2 is the flow chart of another embodiment of video file classification method of the present invention.
Fig. 3 is the structured flowchart of video file classification terminal one embodiment of the present invention.
Detailed description of the invention
With reference now to accompanying drawing, describing embodiments of the invention, element numbers similar in accompanying drawing represents similar unit
Part.
Refer to Fig. 1, describe the workflow of video file classification method one embodiment of the present invention.Such as Fig. 1
Shown in, comprise the following steps:
Step S101, extracts all of human face image information in video file；Wherein carry out recognition of face and then
Extract human face image information and have employed face recognition technology based on video flowing, particularly as follows: by video file solution
Code becomes video flowing, is identified each two field picture in video flowing successively, finds out all of facial image letter
Breath, each key feature dot information during wherein human face image information is specially facial image, such as the face information of people
Deng；
Step S102, successively human face image information described in comparison and the original records bar of storage in data base；Its
In middle data base, the original records bar of storage includes following information: facial image mark, human face image information,
The time that the mark of the video file belonging to human face image information and human face image information occur in video file
Point, wherein the mark of video file can be that title or the attribute etc. of video file can represent this video file
Arbitrary parameter；Facial image mark can be digital, alphabetical or other, different facial image mark generations
The human face image information that table is different, the most different facial image marks represents different people, such as some record
Bar is: 1+aa+ video A+03:45, and wherein 1 is the facial image letter that face image identification, aa represent correspondence
When breath, video A represent video file mark, 03:45 represents that human face image information occurs in video A
Between point be moment of 3 minutes and 45 seconds；Each key feature dot information during wherein aa represents facial image；
Step S103, updates original records bar according to comparison result or generates new record bar；Particularly as follows: work as institute
State human face image information consistent with the human face image information in described original records bar (such as: record strip 1) time,
The mark extracting the video file at described human face image information place and the time point occurred in video file are also
Add to original records bar (record strip 1), it is achieved the renewal to original records bar (record strip 1)；When
When described human face image information is inconsistent with the human face image information in described original records bar, according to new people
The mark of the video file belonging to face image identification, described human face image information, described human face image information and
The time point that described human face image information occurs in video file generates new record bar；
Step S104, generates corresponding file according to the original records bar after updating or new record bar, wherein
Original records bar after each renewal or the most corresponding file of new record bar, in file, storage has
All video files that in corresponding record strip, human face image information is corresponding, it may be assumed that achieve and will include same person
The video file of face image information is stored in a file, completes video file according to facial image
Classify, facilitate user to search.
Refer to Fig. 2, describe the flow chart of another embodiment of video file classification method of the present invention.Such as Fig. 2
Shown in, comprise the following steps:
Step S201, starts mobile terminal, and in the automatic scan database of mobile terminal system, all of storage regard
Frequency file also takes first video file；As, in data base, storage has video file A, B and C, takes first
Individual video file A；
Step S202, carries out recognition of face and judges whether there is facial image in video file video file,
If it is not, then perform step S203, otherwise, perform step S204；As, video file A is carried out face knowledge
Not and judge whether video file A exists facial image, if it is not, then perform step S203, otherwise, hold
Row step S204；
Step S203, adds an invalid value in the attribute of video file；As, step S202 judges video literary composition
Part A does not exist facial image, therefore in the attribute of video file A, adds an invalid value；
Step S204, extracts all of human face image information in video file；As, extract video file A
In two human face image information aa comprising and bb；
Step S205, successively by the human face image information in video file and data base storage all initially
Record strip is compared；As, in data base, storage has 3 original records bars, is respectively as follows: 1+aa+ video
D+04:21,2+bb+ video E+03:20 and 3+cc+ video F+02:21, first by the face in video file A
Image information aa is compared successively with 3 original records bars in data base, then by video file A
Human face image information bb and 3 original records bar comparisons successively in data base；
Step S206, it is judged that whether there is described human face image information in original records bar, if existing, then holds
Row step S207, otherwise, then perform step S208；
Step S207, extracts and adds the mark of video file belonging to described human face image information and regard at this
The time point occurred in frequency file is in the original records bar comprising described human face image information, it is achieved to initially
The renewal of record strip；Human face image information aa and bb and people is obtained after video file A is identified
The time point that face image information aa and bb occur in video file A, such as respectively 04:32 and 02:13,
Human face image information aa is compared successively with the original records bar in data base, obtains data base comprises
Identical human face image information aa, now is updated obtaining to original records bar 1+aa+ video D+04:21
Original records bar after renewal: 1+aa+ video D+04:21+ video A+04:32；Afterwards by human face image information
Bb and 3 original records bars are compared successively, complete original records bar: 2+bb+ according to comparison result
The renewal of video E+03:20, the original records bar after being updated: 2+bb+ video E+03:20+ video
A+02:13；That is: each record strip is corresponding to a facial image, therefore when video file exists multiple face
During image, the mark of this video file can be present in multiple record strip；
Step S208, according to new facial image mark, described human face image information, described facial image letter
The mark of the described video file belonging to breath and described human face image information occur in described video file time
Between point generate described new record bar；In the present embodiment, facial image mark is digital and arranges in order, such as:
In data base, in existing original records bar, facial image mark includes 1-6, then face in the new record bar generated
Image identification is 7, such as: if being identified obtaining human face image information dd to video file A, after comparison
Find data base does not exist identical human face image information dd, extract human face image information dd at video file
The time point occurred in A is 01:30, and generates new record bar: 7+dd+ video A+01:30；
Step S209, it is judged that whether described video file is last, the most then perform step S211,
Otherwise, then step S210 is performed；As, it is judged that whether video file A is last in data base, if
It is then to perform step S211, otherwise, perform step S210；
Step S210, takes next video file and performs step S202；As, take video file B；
Step S211, generates respectively according to the new record bar of each original records bar after updating or generation accordingly
File, in file storage have correspondence record strip in all of video file；As: after updating
Original records bar: 1+aa+ video D+04:21+ video A+04:32 generates corresponding file, file
Entitled: 1+D+A, it is, of course, also possible to be other naming rules, wherein file 1+D+A store and have
Video file D and the concordance list of video file A, every index in this concordance list represents a video respectively
File, clicks on every index and just can open the video file of correspondence, and video file D and A includes same
One face information aa；According to new record bar: 7+dd+ video A+01:30 generates corresponding file 7+A, literary composition
In part folder 7+A, storage has video file A；
Step S212, completes the categorizing process to video file.
Wherein, when requiring to look up the video file of someone, can be carried out by the photographic head of mobile terminal
Take pictures, from photo, extract corresponding human face image information and the original records bar with database purchase is carried out
Comparison, find the original records bar comprising identical human face image information, and each original records bar is all to having
One file, in file, storage has all video files comprising described human face image information, Jin Erke
The time point occurred in video file with all video files and human face image information that find this people,
Simple to operation and save the time.
Refer to Fig. 3, describe the structured flowchart of video file classification terminal one embodiment of the present invention.Such as Fig. 3
Shown in, video file classification terminal 100 includes:
Data base 10, the original records bar after storing all of video file, original records bar, renewal
And the file generated；
Extraction module 11, is used for extracting all of human face image information in video file；Specifically have employed based on
The face recognition process of video flowing；
Comparing module 12, the described human face image information extracted for extraction module 11 described in comparison successively with
In described data base 10 storage original records bar, judge whether data base 10 exists to comprise described face
The original records bar of image information；
Record strip processing module 13, updates described original records bar according to comparison result or generates new record bar；
Concrete, record strip processing module 13 includes record strip updating block 131 and record strip signal generating unit 132；
Record strip updating block 131 is for the facial image in described human face image information with described original records bar
When information is identical, it may be assumed that when data base 10 exists the original records bar including described human face image information, carry
Take and add the mark of video file belonging to described human face image information and described human face image information at video
The time point occurred in file, to described original records bar, completes the renewal to original records bar；Record strip is raw
Unit 132 is become to be used for when described human face image information is different from the human face image information in original records bar,
According to new facial image mark, described human face image information, extraction described human face image information belonging to
The time point that the mark of described video file and described human face image information occur in described video file generates
Described new record bar；
File generation module 14, generates corresponding file according to the original records bar after updating or new record bar
Folder, in the most each file, storage has the video that in corresponding record strip, all of video file mark is corresponding
File, thus realize the classification to video file；
Judging treatmenting module 15, is used for judging whether there is facial image in described video file and according to judgement
Result instruction extraction module 11 works or adds an invalid value in the attribute of video file, as added invalid value
0。
Wherein, original records bar or new record bar include following information: facial image mark, facial image are believed
The mark of the video file belonging to breath, human face image information and described human face image information are at described video file
The time point of middle appearance, wherein facial image is designated numeral or letter.
As described above it can be seen that video file classification terminal 100 first passes through judging treatmenting module 15
Video file being carried out recognition of face and judges whether video file exists facial image, if existing, then leading to
Cross extraction module 11 and extract all of human face image information in video file, afterwards by comparing module 12
The human face image information that will identify that is compared with the original records bar in data base 10 successively, it is judged that institute
State human face image information the most identical with the human face image information in original records bar, if identical, then by note
Record bar updating block 131 adds the mark of the video file belonging to described human face image information and described face figure
As, in the time point extremely existing original records bar that information occurs in video file, if differing, then passing through
Record strip signal generating unit 132 generates corresponding new record bar and preserves to data base 10, then passes through file
Generation module 14 is the file that the original records bar after each renewal or new record bar generate correspondence respectively, literary composition
Part folder includes the video file that the mark of all video files in the record strip of correspondence is corresponding, finally includes
The video file of identical facial image is divided into a class and is stored in same file folder, facilitates user and searches
All video files of specific someone and the time point occurred in video, time-consuming and Consumer's Experience effect
The best.
Above in association with most preferred embodiment, invention has been described, but the invention is not limited in disclosed above
Embodiment, and amendment, the equivalent combinations that the various essence according to the present invention is carried out should be contained.
Claims (10)
1. a video file classification method, it is characterised in that comprise the following steps:
Extract all of human face image information in video file；
Human face image information described in comparison and the original records bar of storage in data base successively；
Update described original records bar according to comparison result or generate new record bar；
Corresponding file, Mei Yisuo is generated according to the described original records bar after updating or described new record bar
State file and deposit the video file containing identical human face image information.
2. video file classification method as claimed in claim 1, it is characterised in that described original records bar
Or described new record bar includes following information: facial image mark, human face image information, described facial image
The mark of the described video file belonging to information and described human face image information occur in described video file
Time point.
3. video file classification method as claimed in claim 2, it is characterised in that described " extraction video
All of human face image information in file " also include before:
Judge whether described video file exists facial image, extract described video file according to judged result
In all of human face image information or add an invalid value in the attribute of described video file.
4. video file classification method as claimed in claim 2, it is characterised in that described " according to comparison
Result updates described original records bar or generates new record bar " particularly as follows:
When described human face image information is identical with the human face image information in described original records bar, extract also
Add the mark of described video file belonging to described human face image information and described human face image information described
The time point occurred in video file updates described original records bar to described original records bar with realization；
When described human face image information is different from the human face image information in described original records bar, according to newly
Facial image mark, described human face image information, extraction described human face image information belonging to described regard
The time point generation that the mark of frequency file and described human face image information occur in described video file is described newly
Record strip.
5. video file classification method as claimed in claim 2, it is characterised in that described facial image mark
Know for digital or alphabetical.
6. a video file classification terminal, it is characterised in that described terminal includes:
Data base, for storing video file, original records bar and the file of generation；
Extraction module, is used for extracting all of human face image information in video file；
Comparing module, the described human face image information extracted for extraction module described in comparison successively is with described
The original records bar of storage in data base；
Record strip processing module, for updating described original records bar according to comparison result or generating new record bar
To be stored in described data base；
File generation module, for generating according to the described original records bar after updating or described new record bar
Corresponding file, each described file deposits the video file containing identical human face image information.
7. video file classification terminal as claimed in claim 6, it is characterised in that described original records bar
Or described new record bar includes following information: facial image mark, human face image information, described facial image
The mark of the described video file belonging to information and described human face image information occur in described video file
Time point.
8. video file classification terminal as claimed in claim 7, it is characterised in that also include:
Judging treatmenting module, for judging whether there is face figure in the described video file in described data base
Picture also indicates the work of described extraction module according to judged result or adds one in the attribute of described video file
Invalid value.
9. video file classification terminal as claimed in claim 7, it is characterised in that described record strip processes
Module specifically includes:
Record strip updating block, for when the face figure in described human face image information with described original records bar
When information is identical, extract and add mark and the institute of described video file belonging to described human face image information
State time point that human face image information occurs in described video file to described original records bar to realize renewal
Described original records bar；
Record strip signal generating unit, for when the face figure in described human face image information with described original records bar
During picture information difference, according to new facial image mark, described human face image information, the described face of extraction
Mark and the described human face image information of the described video file belonging to image information go out in described video file
Existing time point generates described new record bar.
10. video file classification terminal as claimed in claim 7, it is characterised in that described facial image mark
Know for digital or alphabetical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310032781.8A CN103093213B (en) | 2013-01-28 | 2013-01-28 | Video file classification method and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310032781.8A CN103093213B (en) | 2013-01-28 | 2013-01-28 | Video file classification method and terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103093213A CN103093213A (en) | 2013-05-08 |
| CN103093213B true CN103093213B (en) | 2016-11-16 |
Family
ID=48205761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310032781.8A Active CN103093213B (en) | 2013-01-28 | 2013-01-28 | Video file classification method and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103093213B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106604051A (en) * | 2016-12-20 | 2017-04-26 | 广州华多网络科技有限公司 | Live channel recommending method and device |
| WO2020173314A1 (en) * | 2019-02-27 | 2020-09-03 | 杭州海康威视数字技术股份有限公司 | Personnel statistical method and device and electronic device |
| CN111553191A (en) * | 2020-03-30 | 2020-08-18 | 深圳壹账通智能科技有限公司 | Video classification method and device based on face recognition and storage medium |
| CN115460446A (en) * | 2022-08-19 | 2022-12-09 | 上海爱奇艺新媒体科技有限公司 | Alignment method and device for multiple paths of video signals and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101278286A (en) * | 2005-09-30 | 2008-10-01 | 皇家飞利浦电子股份有限公司 | Method and apparatus for enabling browsing of images |
| CN102355588A (en) * | 2011-08-25 | 2012-02-15 | 中兴通讯股份有限公司 | Method and system for synchronously browsing electronic photo albums |
| CN102682111A (en) * | 2012-05-11 | 2012-09-19 | 广东欧珀移动通信有限公司 | Picture retrieval method |
-
2013
- 2013-01-28 CN CN201310032781.8A patent/CN103093213B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101278286A (en) * | 2005-09-30 | 2008-10-01 | 皇家飞利浦电子股份有限公司 | Method and apparatus for enabling browsing of images |
| CN102355588A (en) * | 2011-08-25 | 2012-02-15 | 中兴通讯股份有限公司 | Method and system for synchronously browsing electronic photo albums |
| CN102682111A (en) * | 2012-05-11 | 2012-09-19 | 广东欧珀移动通信有限公司 | Picture retrieval method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103093213A (en) | 2013-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103530652B (en) | A kind of video categorization based on face cluster, search method and system thereof | |
| US10242250B2 (en) | Picture ranking method, and terminal | |
| JP5212610B2 (en) | Representative image or representative image group display system, method and program thereof, and representative image or representative image group selection system, method and program thereof | |
| JP4643735B1 (en) | Electronic device and video processing method | |
| CN106126617A (en) | A kind of video detecting method and server | |
| CN112738556B (en) | Video processing method and device | |
| KR20090010855A (en) | System and method for saving digital contents classified with person-based clustering | |
| WO2017080007A1 (en) | Intelligent analysis and processing system of identification code and processing method therefor | |
| KR101832680B1 (en) | Searching for events by attendants | |
| CN103093213B (en) | Video file classification method and terminal | |
| CN105684046B (en) | Generate image composition | |
| CN106127222B (en) | A kind of the similarity of character string calculation method and similitude judgment method of view-based access control model | |
| EP3989158A1 (en) | Method, apparatus and device for video similarity detection | |
| US20150278248A1 (en) | Personal Information Management Service System | |
| CN112000024B (en) | Method, device and equipment for controlling household appliance | |
| CN104331515B (en) | A kind of method and system for automatically generating tourism diary | |
| WO2020135756A1 (en) | Video segment extraction method, apparatus and device, and computer-readable storage medium | |
| CN111368867A (en) | Archive classification method and system and computer readable storage medium | |
| CN108124478A (en) | Picture searching method and apparatus | |
| CN110825821B (en) | Personnel relationship query method and device, electronic equipment and storage medium | |
| CN109635688B (en) | Method and system for managing books on bookshelf based on image recognition | |
| CN110580297A (en) | Merchant and dish matching method and device based on dish image and electronic equipment | |
| KR101138873B1 (en) | Method and apparatus for reducing the number of photo in photo album | |
| WO2022241987A1 (en) | Image retrieval method and apparatus | |
| CN115983873A (en) | Big data based user data analysis management system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |