CN1330177C - Method for recording major and minor image data separately - Google Patents

Method for recording major and minor image data separately Download PDF

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Publication number
CN1330177C
CN1330177C CNB038017636A CN03801763A CN1330177C CN 1330177 C CN1330177 C CN 1330177C CN B038017636 A CNB038017636 A CN B038017636A CN 03801763 A CN03801763 A CN 03801763A CN 1330177 C CN1330177 C CN 1330177C
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China
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data
image data
data flow
stream
digital
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CN1606873A (en
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陆小潮
滕云海
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
    • H04N9/8227—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal the additional signal being at least another television signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/781—Television signal recording using magnetic recording on disks or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7921—Processing of colour television signals in connection with recording for more than one processing mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • H04N9/8047—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction using transform coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

The present invention discloses a method for respectively recording main image data and auxiliary image data, which aims to overcome a problem that the main image data and the auxiliary image data can not be respectively recorded in the prior art. The present invention comprises steps as follows: 1. an image processing unit is used for carrying out the digital coding and data compression to an input original image; 2. the original image processed by digital coding and data compression adopts a separating or duplicative method to form the main image data (flow) and the auxiliary image data (flow) which are recorded in a recording processing unit. The method of the present invention is used for digital hard disk video recording, digital video tape recording, CD video recording, etc. which have large capacity to store digital images.

Description

Write down the method for major and minor view data respectively
Technical field
The present invention relates to a kind of image data recording method, specifically be meant the method for encoded compression of view data and record.
Background technology
Existing image data recording method, for example Japanese SONY HSR-1P digital supervision kinescope method, this method has hard disk and the two storage meanss of digital tape recording, and be linked as forward and backward level, after the hard disk images data are filled with, on the data tape after dumping in the digital tape recording device of level, and then deposit new view data in, and because the substituting of data tape, the method memory capacity of making can infinitely enlarge, and has to a certain degree satisfied the requirement of large-capacity digital image record; This method is also at the requirement of different image record, setting 25 frame/second (Phase Alternation Line system) speed or less than 25 frame/second (Phase Alternation Line system) speed record; Time span with the document image that increases the unit memory space.
But existing method can not write down major and minor view data respectively simultaneously, is difficult to satisfy the inside and outside manager to using the different demands of view data, particularly is difficult to satisfy the user's request that postpones to use view data.Often the whole series video recording long preservation, prepare against when needing and use in the reality, so both having needed provides bigger space for preserving record-reproduce head, needs to drop into more manpower and financial resources again for this reason.
Summary of the invention
The objective of the invention is in order to overcome the deficiency that prior art can not write down major and minor view data simultaneously respectively, a kind of method that writes down major and minor view data simultaneously respectively is provided, write down main image data and auxiliary image data simultaneously, to satisfy different these view data persons' of use different demands.
Above-mentioned purpose of the present invention is achieved by the following technical solution: utilize graphics processing unit that input original image is carried out digital coding and data compression; Original image through digital coding or data compression process adopts the method for separating or duplicating to form main image data (stream) and auxiliary image data (stream), and is recorded in the recording processing unit.Separate or auxiliary image data (stream) that replication processes becomes can be taken from view data (stream) after the analog-to-digital conversion digital coding, the view data (stream) after compressing or be recorded in view data on the record carrier.Auxiliary image data (stream) can be the one section continuous digital image frames or the partly discrete digital image frames of original image of original image.Main image data (stream) is can be that the whole of original image also can be that original image is isolated auxiliary image data (stream) back remaining all or part of view data (stream).Image data processing unit can carry out edited image data by program control by prerequisite.Supplementary can superpose in the auxiliary image data (stream).
Compared with prior art, the present invention has following beneficial effect: write down major and minor view data respectively, thereby satisfy various users and different purposes respectively, can save the space of keeping records view data (stream) medium, can effectively save manpower and financial resources again.
Description of drawings
Fig. 1 is the flow chart that the present invention writes down the method for major and minor view data respectively;
Fig. 2 is the embodiment schematic diagram of the present invention's method of writing down major and minor view data respectively;
Wherein:
The 100th, graphics processing unit, the 101st, original image, the 102nd, IMAQ digital coding unit, the 103rd, image compression unit, the 104th, the data connecting line of IMAQ digital coding unit 102 and image compression unit 103, the 105th, the data connecting line of IMAQ digital coding unit 102 and data edition processing unit 200, the 106th, graphics processing unit 100 and the data connecting line of writing processing unit 300, the 107th, the data connecting line of image compression unit 103 and data edition processing unit 204;
The 200th, image data processing unit, the 201st, the supplementary external data interface, the 202nd, the supplementary processing unit, the 203rd, the data connecting line of supplementary processing unit 202 and data edition processing unit 204, the 204th, the data edition processing unit, the 205th, the auxiliary control signal instruction, the 206th, control unit, the 207th, program control, the 208th, the control connection line of control unit 206 and data edition processing unit 204, the 209th, the control connection line of control unit 206 and record control unit 300, the 210th, data edition processing unit 204 and the data connecting line that writes down selected control unit 304;
The 300th, image recording processing unit, the 301st, sensing element, the 302nd, record carrier, the 303rd, write processing unit, the 304th, record selected control unit, the 305th, record carrier, the 306th, recording equipment, the 307th, data-interface, the 308th, write the data connecting line of processing unit 303 and sensing element 301, record carrier 302, record selected control unit 304, record carrier 305, recording equipment 306, data-interface 307, the 309th, external record device, the 310th, record carrier, the 311st, the data connecting line of sensing element 301 and data edition processing unit 200.
Most preferred embodiment
Below in conjunction with drawings and Examples the present invention is further described.
See also shown in Figure 2, IMAQ digital coding unit 102 receives the image video signal that comes from the video signal harvester, it is original image 101, then original image 101 is carried out mould/number conversion and digital coding (example: adopt CCIR601, CCIR605 standard), original image 101 data (stream) behind the coding also claim " original image coded data (stream) ".Before entering image compression unit 103 via connection data wire 104, as be required to carry out data edition, then the part " encoded image frame " " separation " in " original image coded data (stream) " or " duplicating " formation " sub-picture coded data (stream) " enter image data processing unit 200 through data connecting line 105.Be encoded " original image coded data (stream) " handled then become " master image coded data (stream) " and enter image compression unit 103 via data connecting line 104, after compression was handled, " master image packed data (stream) " entered recording processing unit 300 via data connecting line 106.
" original image coded data (stream) " is before entering image compression unit 103 via connection data wire 104, as be not required to carry out data edition, then " original image coded data (stream) " directly enters image compression unit 103 via data connecting line 104 and carries out image compression (example: press the Standard of image compression that H.263 waits of JEPG or MPEG series and the ITU-T of ISO/IEC, also available WAVELET or other efficient coding, compress technique) and form " original image packed data (stream) "; This moment is as being required to carry out data edition, then the part section in " original image packed data (stream) " or " frame " (for example: " I frame ", " JPEG frame ") " separation " or " duplicating " are gone out to form " sub-picture packed data (stream) ", and enter image data processing unit 200 via data connecting line 107." original image packed data (stream) " crossed by editing and processing then becomes " master image packed data (stream) ", enters recording processing unit 300 via data wire 106.
Before entering image compression unit 300 via connection data wire 106, be not required to carry out data edition as " original image packed data (stream) ", then directly enter recording processing unit 300 via data connecting line 106." master image packed data (stream) " or " original image packed data (stream) " sent here from data connecting line 106 by writing processing unit 303, records record carrier 302 with it, and record carrier 302 can be big capacity storage carriers such as hard disk.After " master image packed data (stream) " is recorded to record carrier 302, after being carried over into a memory cycle, just covered by new data (stream), and work as after " original image packed data (stream) " be recorded to record carrier 302, it will be the 3rd data editor's of this method a choice point, be that the part " frame " or " section " data of " original image packed data (stream) " are read (promptly being " duplicating " mode) formation " sub-picture packed data stream " by sensing element 301 in the case, and deliver to image data processing unit 200 via data connecting line 311, above-mentioned " the master image packed data stream " that can be considered to its " sub-picture packed data (stream) " by " original image packed data (stream) " behind the editor.The special case that above-mentioned data edition is handled is, when " original image packed data (stream) " will be capped when refreshing, edits, and will be stored by " sub-picture packed data (stream) " reservation that the editor back forms.
The course of work explanation of the graphics processing unit 100 of present embodiment can be carried out data edition to " original digital image data (stream) " (general designation of " original image encoded data stream " and " original image packed data stream ") after IMAQ digital coding unit 102 and image compression unit 103 processing in this element 100.Formed " sub-picture packed data (stream) " data occupancy space was big after formed " sub-picture coded data (stream) " was edited than the latter after the former was edited, but the effect after it is reproduced does not almost have visual difference in original input image, and the difference of different sizes is arranged with the vision difference of original image after " sub-picture packed data (stream) " reproduces because of compression method is different.
In the course of work of the graphics processing unit 100 of present embodiment, data edition is handled respectively by " separation " and " duplicating " two kinds of modes." separation " is that the part " frame " of " original digital image data (stream) " (general designation of " original image encoded data stream " and " original image packed data stream ") is taken out, and " duplicating " then only is a part " frame " same " frame " that forms these data (stream).Therefore, with the logical relation between " separation " mode editor's the data (stream) be: " main image data (stream) "+" auxiliary image data (stream) "=" original digital image data (stream) "; With the logical relation between " duplicating " mode editor's the data (stream) be: " main image data (stream) "=" original digital image data (stream) ", " auxiliary image data (stream) " are the backups of the part " frame " of " main image data (stream) ".The former relatively economizes the data record space, and the latter more helps data security and reliable, takes all factors into consideration so still need in actual applications.
The image data processing unit 200 of present embodiment method, " auxiliary image data (stream) " that comes from data connecting line 105,107 or 311 is write down pre-treatment, comprise that the editor again to " auxiliary image data (stream) " forms a plurality of different " auxiliary image data (streams) ", the supplementary that will come from data connecting line 203 is inserted on " auxiliary image data (stream) " or be added to " picture frame "." auxiliary image data (stream) " after data edition processing unit 204 is handled enters the recording processing unit via data connecting line 210, processing to be recorded.
" auxiliary image data (stream) " sent here by data wire 210 is by record selected control unit 304, by the instruction that control unit 206 gives by data connecting line 209, select to carry out following operation: " auxiliary image data (stream) " and " main image data (stream) " record on identical carrier.At this moment, " auxiliary image data (stream) " is given via data connecting line 308 and is write processing unit 303, records in the appointment unit of record carrier 302; Or " auxiliary image data (stream) " is recorded in respectively on the different carriers with " main image data (stream) ".At this moment, auxiliary image data (stream) is sent to record carrier 305 records via data connecting line 308; Or " auxiliary image data (stream) " records on the recording medium of other recording equipment (recording equipments of similar interchangeable recording mediums such as flash memory, CD-RW, DVD-RW, magnetic tape station), as data being delivered to recording equipment 306, be recorded to interchangeable recording medium 301 (CD, data tape etc.) by data connecting line 308; Or with " auxiliary image data (stream) " through data-interface 307 (high-speed data serial ports or Ethernet etc.) and link to each other with the external record system output 309, record on the medium of all kinds of stored digital modes or equipment.
Supplementary refers to the explanation of picture material and side information, for example the time of document image, place or other relevant information and the identifying information of the incident that picture material write down.Supplementary is sent to supplementary processing unit 202 with data mode by the outside bit data interface 201 of method and handles, and this unit is treated to data edition processing unit 204 required data modes with supplementary and is provided by data connecting line 203.
Control unit 206 can be types such as CPU, MPU or MCU, and the program control 207 in control unit 206 and the program storage unit (PSU) moves control.The program of depositing is carried out program control by operations such as control unit 206 and 208,209 couples of data editors of control connection and recording processing in the program control 207 of program storage unit (PSU), this program is carried out and is divided into two kinds of states: the one, unconditionally automatically perform (promptly follow the entire method operation and move), the 2nd, (condition for example: this method connects outside port switch amount signal in semi-automatic execution with good conditionsi, the variable quantity threshold value of original image signal and external control instruction etc.), condition satisfies to be carried out, and condition does not satisfy not to be carried out or the part execution.
Industrial applicibility
The present invention can record respectively major and minor view data, thereby satisfies respectively various users and different purposes, The space of keeping records view data (stream) medium can be saved, manpower and financial resources can be effectively saved again.

Claims (12)

1, a kind of method that writes down major and minor view data respectively:
Original image carries out digital coding and data compression through graphics processing unit;
Be stored in the recording processing unit respectively to adopt the method for separating or duplicating to form main image data or data flow and auxiliary image data or data flow through the original image of digital coding or data compression process.
2, method according to claim 1 is characterized in that view data or data flow after auxiliary image data that described separation or replication processes become or data flow are taken from the analog-to-digital conversion digital coding.
3, method according to claim 1 is characterized in that view data or data flow after described auxiliary image data or data flow are taken from compression.
4, method according to claim 1 is characterized in that described auxiliary image data or data flow take from the view data that is recorded on the record carrier.
5, method according to claim 1 is characterized in that described auxiliary image data or data flow are one section continuous digital image frames of original digital image data or data flow.
6, method according to claim 1 is characterized in that described auxiliary image data or data flow are original digital image data or the partly discrete digital image frames of data flow.
7, method according to claim 1 is characterized in that described main image data or data flow are the whole of original digital image data or data flow.
8, method according to claim 1 is characterized in that described main image data or data flow are that original digital image data or data flow are separated remaining all or part of view data or data flow after auxiliary image data or the data flow.
9, method according to claim 1 is characterized in that described image data processing unit carries out edited image data by prerequisite by program control.
10, method according to claim 1 is characterized in that described edited image data is controlled by the auxiliary control signal by the outside input.
11, method according to claim 1 is characterized in that the supplementary that superposes in described auxiliary image data or the data flow.
12, method according to claim 1 is characterized in that inserting supplementary in described auxiliary image data or the data flow.
CNB038017636A 2003-07-21 2003-07-21 Method for recording major and minor image data separately Expired - Fee Related CN1330177C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2003/000584 WO2005009037A1 (en) 2003-07-21 2003-07-21 Method for recording main and sub image data respectively

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CN1606873A CN1606873A (en) 2005-04-13
CN1330177C true CN1330177C (en) 2007-08-01

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AU (1) AU2003252520A1 (en)
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1251461A (en) * 1998-09-28 2000-04-26 索尼公司 Digital recording/reproducing method and apparatus for video having superposed subinformation
WO2001045400A1 (en) * 1999-12-16 2001-06-21 Screenplay Publishing Co., Ltd. System for capturing text information on recorded medium and reproducing system
CN1418429A (en) * 2000-03-17 2003-05-14 汤姆森许可公司 Method and apparatus for simultaneous recording and displaying two different video programs

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1251461A (en) * 1998-09-28 2000-04-26 索尼公司 Digital recording/reproducing method and apparatus for video having superposed subinformation
WO2001045400A1 (en) * 1999-12-16 2001-06-21 Screenplay Publishing Co., Ltd. System for capturing text information on recorded medium and reproducing system
CN1418429A (en) * 2000-03-17 2003-05-14 汤姆森许可公司 Method and apparatus for simultaneous recording and displaying two different video programs

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WO2005009037A1 (en) 2005-01-27
AU2003252520A1 (en) 2005-02-04

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