CN105871872A - Movable video investigation method - Google Patents
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- CN105871872A CN105871872A CN201610281624.4A CN201610281624A CN105871872A CN 105871872 A CN105871872 A CN 105871872A CN 201610281624 A CN201610281624 A CN 201610281624A CN 105871872 A CN105871872 A CN 105871872A
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- 238000011835 investigation Methods 0.000 title claims abstract description 17
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- 238000012544 monitoring process Methods 0.000 claims description 11
- 230000006870 function Effects 0.000 abstract description 35
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/73—Querying
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2621—Cameras specially adapted for the electronic generation of special effects during image pickup, e.g. digital cameras, camcorders, video cameras having integrated special effects capability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2624—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects for obtaining an image which is composed of whole input images, e.g. splitscreen
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Computational Linguistics (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention discloses a movable video investigation method. The method comprises the following steps that 1, video files on different monitoring devices are collected, and the video files with different codes and formats are converted into video files with the uniform standard format to be played; 2, fuzzy video or images are processed, and clear images are restored; 3, movable objects in the video files are extracted out, condition retrieval is carried out through characteristic parameters, and a suspected target is fast searched and located; 4, processed case images, video and relevant case information are stored, full police sharing is carried out, a study and judgment report is regenerated, and therefore series and parallel case analysis is carried out. According to the method, the current urgent problem in existing video investigation services is solved, the work process of video investigation is straightened out, case and event field video format standardization, image abstraction and retrieval, video image analysis processing and other functions are achieved, and first-time and first-field fast analysis can be carried out.
Description
Technical field
The present invention relates to Video Supervision Technique, more particularly, it relates to a kind of portable video investigation method.
Background technology
Video monitoring investigates the case in public security organ and plays the biggest effect, but, at present, right
Shortcoming below the collection of video and analyzing and processing aspect there is also:
(1) video monitoring system of public security organ's construction is mainly in emphasis section, is difficult to covering city each
Corner, most case source video sequence is in the video monitoring system in society face.Video prison due to society face
Ore-controlling Role building time is new and old to differ, and construction quality is uneven, and management and maintenance levels also height is different,
The video record file thus resulting in society face gathers extremely difficult, to such an extent as to sometimes studies and judges for case
Need, the acquisition and memory system equipment of DVR or PC formula is moved back to public security organ.Meanwhile, public security organ
Self also lacking the video record collection of resources instrument of specialty, the very difficult cases of collection fast and effectively is relevant to be regarded
Frequently image resource.
(2) in same case, the number of videos returned is gathered many, after some time it is possible to reach several pieces of even ten polyliths
Hard disk, when policeman take public security bureau process time, one piece of block hard disk need to be received and just know on computer and put in hard disk
A little what video, reduce case handling efficiency.
(3) because of the uncertainty of suspect, often when investigating a case, can be by spot
The a range of video of periphery all copies, and tissue special messenger divides the work viewing, when the video recording of case associated video
When file is less, the detection on case affects smaller；But, when case video record file is a lot,
A large amount of investigator can be taken to watch video file, in order to ensure the viewing quality of video image, prevent from detecing
The personnel that look into cause notice and observation to decline long lasting for viewing, need to limit investigator and continue every time
The time of viewing.So, in the case of case video record file is more, the time of viewing video image
By longer, consume great human and material resources.
(4) due to lack unified video monitoring file format standard and producer to the consideration of number one,
Technical merit is different, particular/special requirement to video monitoring system itself, different producer's video monitoring trays
Formula is different, such as: asf, dS-VIDEO, H64,3gp, 800, mpg, vgz, CIF, 4CIF, QCIF
Deng, the dedicated video player ability that the monitor video file of these different-formats typically can only carry with each company
Preview can be opened.
(5) lack effective fast video and process means and the handling implement of video image, it is impossible to quickly
Find the case element informations such as people that cases is relevant, car, thing, study and judge to video and bring bigger difficulty,
Often to take a long time and just can find valuable clue content.Meanwhile, though having built the most perfect
Tu Zhen department, be equipped with special organization and personnel, but lack the business platform that video is studied and judged, lack
Effective video studies and judges means and method.As: the structured analysis of video, space-time track portray analysis etc..
(6) due to factors such as weather, environment, equipment, the image resource that policeman in charge of the case collects often occurs
Video blur, it is impossible to effectively see target clearly, it is difficult to find out valuable clue in gathering the video returned.
(7) the current case effective management means of video image resource shortage.Although case clue is carried out
Unified management, such as: establish independent file for each case, in each file
All preserve the video file of all clues of this case.But in the recycling of clue, it is difficult to search
To relevant video content, could can only be looked for by the search of computer by the filename that clue is recorded a video now
Arrive, but filename is to be difficult to by video content description clearly.After some clue collections are returned simultaneously, do not have
Have and examine timely, study and judge, cause clue to overstock, miss the opportune time investigated and prosecuted.
(8) precondition of the part association of combining related cases of video: firstly the need of having complete merit information and studying and judging
Content, next needs description structurized to clue video content, finally needs these information unification structures
Change storage.Specific, the figure and features feature of suspect according to merit information, crime means, tool used in crime, crime
Realize video combine related cases analysis and associating, and the clue video management mode of current this folder-type etc. content,
It is difficult to carry out combining related cases analysis and associating.
Summary of the invention
For the shortcoming of prior art, it is an object of the invention to provide a kind of portable video investigation method,
Solve the pressing problem that existing video investigation business faces at present, make the workflow of video investigation in order, it is achieved
Cases live video standardized format, image hashing and the function such as retrieval, video image dissection process, energy
Carry out the quick analysis of the very first time, primary scene.
To achieve these goals, the technical scheme is that a kind of portable video investigation method, it
Comprise the steps: that (1) gathers the video file on different monitoring equipment, and by different coding, form
Video file is converted to unified reference format video file and plays out；(2) to fuzzy video or image
Process, reduce picture clearly；(3) mobile object in video file is extracted, by spy
Levy parameter and carry out conditional information retrieval, quick Search and Orientation suspected target；(4) storage process after case image,
Video and relevant case information, and carry out complete alert share and generate study and judge report, thus combine related cases
Analyze.
As a modification of the present invention, described characteristic parameter include the direction of motion, object size, color,
Cross-line, region, time period.
Compared with prior art, precision strike rate of the present invention is higher, and loss is greatly reduced, can precision strike
Criminal offence；Collaborative work efficiency is high, compares made Target and searches, has the improved efficiency of decades of times；
Searching target is more intelligent, and investigator can be easily accomplished examining of multitude of video data；Image procossing is apparent,
Sharpening to common-denominator target, closer to truth；Support various video analytic function, employing video index,
The various video analysis means such as video frequency abstract, video frequency searching, video editing, dissection process, improve video certainly
Dynamic analysis ability, promote policeman depending on detecing technical merit；Docking video image networked platforms, degree of depth association connection
Net platform and depending on detecing platform, it is achieved conveniently unified to networking monitor video image gathers, and supports straight
Connect and transfer monitoring image and carry out cases Video processing, study and judge, be managed collectively.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings and detailed description of the invention, structure and Advantageous Effects thereof to the present invention are carried out in detail
Describe in detail bright.
Fig. 1 is the process chart of movable type video investigation method of the present invention.
Detailed description of the invention
In order to make the goal of the invention of the present invention, technical scheme and Advantageous Effects thereof become apparent from, below tie
Close the drawings and specific embodiments, the present invention is further elaborated.It should be appreciated that this theory
Detailed description of the invention described in bright book is only used to explain the present invention, is not intended to limit the present invention.
Movable type video investigation method of the present invention is applied in video investigation system, and this system includes video acquisition
Device, case-involving video storage device, video decoding transcoding device, video frequency abstract check that device, video resolve
Processing means and case sharing means.Aforementioned means can be integrated in portable computer.Video acquisition device bag
Include video acquisition unit and the data-interface being connected with described video acquisition unit, video acquisition unit and NFC
Read write line connect, data-interface include DVI keyset, VGA keyset, HDMI, S-VIDEO interface,
SATA interface, ide interface, USB interface and LAN kilomega network interface.
Referring to Fig. 1, movable type video investigation method of the present invention has included all functions of video investigation: case finds
Video acquisition, Classification Management, Video processing, study and judge filing, study and judge report to generation, it processes stream
Journey is as follows:
(1) the case-involving video of Skynet system can be carried out download online by double gigabit network cable interfaces to adopt to video
Acquisition means；Various different manufacturers monitoring DVR be connected on video acquisition device DVI, VGA,
HDMI, S-VIDEO video acquisition interface, carries out high speed acquisition by built-in single channel high/standard definition acquisition module,
Maximum adopts rate 1920x1080p@60fps；The oxidation of some DVR interface, contact is caused by environmental factor
Existing picture such as bad grade, SATA or IDE that hard disk (SATA, IDE) is connected on equipment by data wire is hard
Dish interface, carries out the rapid copy of video data, hard disk mirror-image making, and hard disk is to copying.
(2) gather the video of returning, Blu-ray Disc dish at quarter can be carried out according to the type such as case, time and reach 100G
Preserve.
(3) scope as related to because of case is wide, and the video that collection is returned is many because of quantity, it is possible to take several
What content the even capacity of dozens of hard disk, if it is desired to know in hard disk equipped with, it is necessary to each connects one
Lower computer just can know that.Use NFC electronic tag carry out hard disk information mark (gather people, the time, place,
Content Description etc.), use mobile phone or the portable equipment of band NFC function, sweep and be known that hard disk relevant information.
(4) gathering the case-involving video returned can classify preservation, a key uploads to carry out in case-involving view storehouse to be checked
Preserve management
(5) video because different manufacturers has respective Video coding, the most off-gauge format video, need use
The special player that producer provides could be play, and uses the omnipotent player can be to all kinds of different coding different-formats
Video be decoded play and video can be carried out transcoding, change into the S-VIDEOI video of reference format, side
Just video is carried out subsequent processes.Process 1 hour original video single channel disposal ability≤3 minute, compatible market
The noncanonical format video file of each model of Shang Ge producer various brands, can play across form, automatically identify video recording
Type one key i.e. can be exchanged into general S-VIDEOI form, immediately consult and directly support each producer video recording literary composition
The playing back videos of part and support 1/8 multiple to 16 speeds slow/put soon and drag progress bar carry out fast browsing,
Audio-visual synchronization conversion simultaneously transducing audio and video also keep audio-visual synchronization, the picture quality after conversion and
Original image keeps video recording consistent, conversion output to support various resolution ratio, including 160x120,176x144,
320x240,352x288,640x480,704x480,704x576,720P, 1080P etc..
(6) in massive video, search suspected target, a large amount of manpower and time need to be spent, seriously can delay and handle a case
Best Times.By video frequency abstract software, mobile object is extracted and is ranked into short-movie and plays out,
Conditional information retrieval is carried out, quickly by the direction of motion, object size, color, cross-line, region, time period etc.
Search and Orientation suspected target.Performance quickly tracked down and arrest by image: process 1 hour original video single channel disposal ability, flat
All time≤8 minute；Video frequency abstract file size after process is less than the 20% of original video files volume；Can
To be detected duration≤1s mobile object；Vedio color, regional extent are searched for: support multiple face
Look and regional extent scan for；Structuring process video resolution support:
qCIF,CIF,VGA,D1,720P,1080P；The resolution ratio support of export structure video:
qCIF,CIF,VGA,D1,720P,1080P；The reproduction time of structuring video is less than original video duration
1/10 (can be by regulation density, interested/exclusionary zone selects to carry out free control)；The shortest identification object
Time: 200 milliseconds.
(7) cause the fuzzy of picture because of factors such as environment, camera gun quality, use and resolve software, specialty figure
Carries out fuzzy video or image are processed as processing software, reduce picture clearly.
Analytical algorithm model manipulation step is: the electrodeless fade operation of slide bar type drags slide bar, and image procossing is imitated
Present during fruit；One key mist elimination, dark details brightness enhancement function；Dark details strengthens: cause insufficient light
Video is crossed black or the most secretly carries out light filling, makes picture be apparent from becoming clear；Video reciprocal cross is wrong, removes interlacing and processes:
Eliminate some video aliasing problems at object edge, and " wire drawing " phenomenon in motion interlaced picture；
To over-exposed video by combination Weakening treatment, auxiliary identification image detail；Cross-color correcting function；
Details sharpens function；One key repeatedly order snapshot functions, is not less than 8 photos, it is not necessary to manually arrange, cuts
Take snapshot automatic super-resolution interpolation amplification；Image stabilizing function；Image rotation function.
Fuzzy image processing step is: motion blur automatic business processing function；Defocusing blurring automatic business processing merit
Energy；Motion blur manually accurate regulatory function；Defocusing blurring manually accurate regulatory function；Multiple image denoising
Function；Form and aspect saturation degree regulatory function；Super-resolution rebuilding function；Three-dimensional measurement function；Observation property amplifies merit
Energy；RGB overview function；Image correction function；Periodic stripe removes function；Geometric transformation function；Cycle
Property noise remove function；Frame interested and region are gathered and preserves function；Multiframe merges decrease of noise functions；
CYMK Color Channel separation function；Video image can carry out CMY observation, HSV observes, YUV observes, LUV
Observe, XYZ observes, Lab observes；Flake zero offset capability；Image measurement marking Function: add word
Annotation, angular surveying, linear measure longimetry and add various figure and word marking etc.；Super-resolution function；The back of the body
Scape removes functional Perspective mapping function；Fringes noise removes function: ghost image removes function；Texture splicing function
Complex background removes function；Free overlaying function 27 > feature comparison function；Remove Zhu Cunmo, remove Mo Cunzhu, disappear
Remove functions such as coating；Geometry comparison function；Presenting the effect processing modulation in real time, process limit, limit is play.
(8) case image, video and the relevant case information after process, it is entered into case resources bank,
Carry out complete alert shared.Report is studied and judged in generation, and can carry out analysis of combining related cases, and related case is found out
Come.
The present invention concrete application in certain case is as follows:
Certain supermarket theft homicide case, criminal detective with according to spot and periphery case-involving monitoring camera (my god
Net and among the people build) carry out transferring collection, because each DVR plate, model, interface are different, point
Even hard disk is not deleted to get off to be directly connected to video by connection DVI, VGA, HDMI, USB3.0, network interface
Harvester carries out the collection of video data.
Because case-involving camera is very wide, gathering the case-involving video returned the most, quantity reaches 10T up to 5
Individual hard disk, uses NFC electronic tag to be attached on hard disk and mark case-involving video acquisition information (case of being correlated with
Title, collection people, acquisition time, camera position, video content summary etc.) use band NFC function
Mobile phone or portable NFC reading equipment are swept electronic tag and just be may know that the associated description letter of video in hard disk
Breath.
For preventing the case-involving video of supermarket theft homicide case from mixing up with other case video, relating to that collection is returned
Case video uploads to carry out in case-involving video storage device Classification Management according to typings such as case outer title times.
After having gathered video, the video recorder form of each producer and coding are different, cause using player
Do not play, by decoding transcoding device, case-involving video is transferred to the S-VIDEOI video file of reference format again
Check and carry out follow-up video sharpening and process.
Because case-involving thing relates to more, video frequency abstract is used to check that device is checked, by the bar such as color, the direction of motion
Part is retrieved, and quickly finds out suspected target.
The image that part causes camera to take because of reasons such as weather, video camera quality, environment is fuzzyyer,
Processed by video dissection process device.
After solving a case, Related Cases information (case name, the crime time, warning personnel's name, tool used in crime,
Merit description, case-involving video pictures etc.) typing upload to carry out in case sharing means case preservation, can
Realize the complete alert of merit to share, and report is studied and judged in generation.(such as suspicion of crime when running into the case interosculated
People, the suspicion number-plate number etc.), by combining related cases analysis, related case can be found out.
The announcement of book and teaching according to the above description, those skilled in the art in the invention can also be to above-mentioned
Embodiment carries out suitable change and amendment.Therefore, the invention is not limited in disclosed and described above
Some modifications and changes of the present invention be should also be as falling into the guarantor of the claim of the present invention by detailed description of the invention
In the range of protecting.Although additionally, employ some specific terms in this specification, but these terms are simply
Facilitate explanation, the present invention is not constituted any restriction.
Claims (2)
1. a portable video investigation method, it is characterised in that it comprises the steps:
(1) gather the video file on different monitoring equipment, and the video file of different coding, form is turned
It is changed to unified reference format video file and plays out；
(2) fuzzy video or image are processed, reduce picture clearly；
(3) mobile object in video file is extracted, carry out conditional information retrieval by characteristic parameter, soon
Speed Search and Orientation suspected target；
(4) case image, video and the relevant case information after storage processes, and carry out complete alert share with
And generate and study and judge report, thus carry out analysis of combining related cases.
Portable video investigation method the most according to claim 1, it is characterised in that described feature
Parameter includes the direction of motion, object size, color, cross-line, region, time period.
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| CN201610281624.4A CN105871872A (en) | 2016-04-28 | 2016-04-28 | Movable video investigation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610281624.4A CN105871872A (en) | 2016-04-28 | 2016-04-28 | Movable video investigation method |
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| CN105871872A true CN105871872A (en) | 2016-08-17 |
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ID=56628901
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610281624.4A Pending CN105871872A (en) | 2016-04-28 | 2016-04-28 | Movable video investigation method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108052581A (en) * | 2017-12-08 | 2018-05-18 | 四川金英科技有限责任公司 | A kind of case video studies and judges device |
| CN108090146A (en) * | 2017-12-08 | 2018-05-29 | 四川金英科技有限责任公司 | A kind of case video analysis method and system |
| CN108090149A (en) * | 2017-12-08 | 2018-05-29 | 四川金英科技有限责任公司 | A kind of case video analysis method |
| CN109862319A (en) * | 2019-02-01 | 2019-06-07 | 深圳市星火电子工程公司 | A kind of video library processing system and method for supporting more AI algorithms |
| CN112256809A (en) * | 2020-11-13 | 2021-01-22 | 珠海大横琴科技发展有限公司 | Data processing method and device |
| US11641396B1 (en) * | 2016-12-30 | 2023-05-02 | CSC Holdings, LLC | Virtualized transcoder |
| US11979628B1 (en) | 2007-03-26 | 2024-05-07 | CSC Holdings, LLC | Digital video recording with remote storage |
| US12137277B1 (en) | 2023-05-15 | 2024-11-05 | CSC Holdings, LLC | Copyright compliant trick playback modes in a service provider network |
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