CN109618153A - Video data encoder processing mechanism - Google Patents
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- CN109618153A CN109618153A CN201910042178.5A CN201910042178A CN109618153A CN 109618153 A CN109618153 A CN 109618153A CN 201910042178 A CN201910042178 A CN 201910042178A CN 109618153 A CN109618153 A CN 109618153A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/164—Feedback from the receiver or from the transmission channel
- H04N19/166—Feedback from the receiver or from the transmission channel concerning the amount of transmission errors, e.g. bit error rate [BER]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
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- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
The present invention relates to a kind of video data encoder processing mechanisms, the mechanism includes: data splitting equipment, for carrying out data dividing processing to the current video frame received, each sub-regions of the current video frame acquisition are divided with average, and is averaged and divides each sub-regions to obtain the corresponding each image block of each sub-regions.Video data encoder processing mechanism of the invention encodes quick, efficiency optimization.Since each motion vector of each target between the reference frame based on current video frame and the current video frame obtains the reference motion vector of the current video frame, anchorage block and the reference motion vector based on subregion determine the position of search window in the reference frame corresponding to the subregion, to improve the efficiency of image coding.
Description
Technical field
The present invention relates to data analysis field more particularly to a kind of video data encoder processing mechanisms.
Background technique
Exploratory factor analysis (exploratory factor analysis) and confirmatory factor analysis
Convergent validity (the convergent of (confirmatory factor analysis) to test each structure face measurement topic item
Validity) and validity (discriminant validity) is distinguished.Because only reliability is inadequate, survey with a high credibility
Amount, it may be possible to invalid in completely ineffective or certain degree.So we must test to validity.Validity refers to that tool is
No can measure wants the result measured in design.The inspection of validity is restrained according to the factor of each project and the concept measured
Load determines；And the inspection for distinguishing validity is the phase relation according to related notion in inspectability factor analysis computational theory
Number, whether 95% confidence interval for examining and determine related coefficient includes 1.0, if not including 1.0, can be confirmed as having difference validity.
Summary of the invention
According to an aspect of the present invention, a kind of video data encoder processing mechanism is provided, the mechanism includes:
Data splitting equipment, for carrying out data dividing processing to the current video frame received, described in average division
Current video frame obtains each sub-regions, and is averaged and divides each sub-regions to obtain the corresponding each figure of each sub-regions
As block；
Vector analysis equipment, for each target between the reference frame based on current video frame and the current video frame
Each motion vector obtain the reference motion vector of the current video frame；
Window positioning device is connect with the data splitting equipment and the vector analysis equipment respectively, for each
Sub-regions execute following search window location action: anchorage block and the reference motion vector based on the subregion determine
The position of search window in the reference frame corresponding to the subregion；
Each movement in the vector analysis equipment, to each target between current video frame and the reference frame
Vector carries out that vector sum is asked to calculate to obtain the reference motion vector of the current video frame；
In the window positioning device, the search window of each sub-regions is used for as to each in the subregion
Image block search its corresponding match block provides search range in the reference frame in the reference frame；
Match block extract equipment is connect with the window positioning device, below for executing for each sub-regions
The detection operation of the match block of its internal image block: in the reference frame, institute is detected in the search window of the subregion
State each image block of subregion inside corresponding match block in the reference frame；
Interframe encode equipment is connect, for the match block pair based on each image block with the match block extract equipment
Described image block executes interframe encode processing；
Gear corrective is connect with parameter output equipment and interframe encode equipment respectively, is set for receiving interframe encode
Standby instant equipment pressure, and converted based on current operational taps of the instant equipment pressure to interframe encode equipment.
The present invention at least has the inventive point of following a few place's keys:
(1) each motion vector of each target between reference frame based on current video frame and the current video frame
The reference motion vector for obtaining the current video frame, anchorage block and the reference motion vector based on subregion, which determine, to be corresponded to
In the search window position in the reference frame of the subregion；
(2) execute data segmentation when, based on current video frame the bit error rate determine the current video frame is carried out it is flat
The quantity of the subregion of acquisition is divided, the bit error rate of the current video frame is higher, and the quantity of the subregion of acquisition is more, obtains
The size of the subregion obtained is smaller；
(3) in order to avoid the accident of equipment damage occurs equipment still caused by high-speed cruising under high pressure, using being based on
The Stress appraisal mechanism of each pressure of environment, obtains the pressure for having more reference value where equipment local terminal and side equipment difference
Force data is to carry out the adaptive correction of equipment gear.
Video data encoder processing mechanism of the invention encodes quick, efficiency optimization.By being based on current video frame and institute
The each motion vector for stating each target between the reference frame of current video frame obtains the reference campaign of the current video frame
Vector, anchorage block and the reference motion vector based on subregion determine the search window for corresponding to the subregion described
Position in reference frame, to improve the efficiency of image coding.
Specific embodiment
The embodiment of video data encoder processing mechanism of the invention will be described in detail below.
Image coding is also referred to as compression of images, refers to and is meeting certain mass (requirement or subjective assessment score of signal-to-noise ratio)
Under the conditions of, the technology of information included in image or image is indicated with less bit.The index of image coding is by averagely each
The number of coded bits of sample is measured, and the reduction of this numerical value depends on whether encoding scheme can fully remove correlation.By
In real image be a non-stationary process, his partial statistics correlation with each local content details of image and activity and
Variation.Adapting to image coding can even be existed using different parameters automatically according to the variation of image local statistic correlation
Switch between different picture coding schemes, to accomplish sufficiently to remove the correlation in each subrange of image.
Picture signal after band compression reduces information redundance, but once when channel generates error code, the information of transmission
It is easy for being destroyed.Therefore, the overall performance of image coding should use the subjective and objective distortion of reconstruction image, average every encoding samples ratio
Special number and channel error code sensitivity is indicated.It is often mutually restricted between them.
Currently, image data it is motion encoded in, encode the search window of the subregion used in the reference frame
Position be difficult to effective determination, can not each target between the reference frame based on current video frame and the current video frame
Each motion vector obtains the reference motion vector of the current video frame, causes image coding efficiency low.
In order to overcome above-mentioned deficiency, the present invention has built a kind of video data encoder processing mechanism, can effectively solve the problem that phase
The technical issues of answering.
The video data encoder processing mechanism shown according to an embodiment of the present invention includes:
Data splitting equipment, for carrying out data dividing processing to the current video frame received, described in average division
Current video frame obtains each sub-regions, and is averaged and divides each sub-regions to obtain the corresponding each figure of each sub-regions
As block；
Vector analysis equipment, for each target between the reference frame based on current video frame and the current video frame
Each motion vector obtain the reference motion vector of the current video frame；
Window positioning device is connect with the data splitting equipment and the vector analysis equipment respectively, for each
Sub-regions execute following search window location action: anchorage block and the reference motion vector based on the subregion determine
The position of search window in the reference frame corresponding to the subregion；
Each movement in the vector analysis equipment, to each target between current video frame and the reference frame
Vector carries out that vector sum is asked to calculate to obtain the reference motion vector of the current video frame；
In the window positioning device, the search window of each sub-regions is used for as to each in the subregion
Image block search its corresponding match block provides search range in the reference frame in the reference frame；
Match block extract equipment is connect with the window positioning device, below for executing for each sub-regions
The detection operation of the match block of its internal image block: in the reference frame, institute is detected in the search window of the subregion
State each image block of subregion inside corresponding match block in the reference frame；
Interframe encode equipment is connect, for the match block pair based on each image block with the match block extract equipment
Described image block executes interframe encode processing；
Gear corrective is connect with parameter output equipment and interframe encode equipment respectively, is set for receiving interframe encode
Standby instant equipment pressure, and converted based on current operational taps of the instant equipment pressure to interframe encode equipment；
In the gear corrective, the current operational taps are inversely proportional with the instant equipment pressure；
Local terminal measuring device is connect with interframe encode equipment, and the side of interframe encode equipment is arranged in, for compiling to interframe
The pressure of environment measures movement where decoding apparatus, to obtain corresponding local terminal pressure value；
The distal end of interframe encode equipment is arranged in far-end measuring equipment, connect with match block extract equipment, and match block is extracted
The side of interframe encode equipment is arranged in equipment, measures movement for the pressure to environment where match block extract equipment,
To obtain corresponding remote pressure numerical value；
Distance measuring equipment, including infrared emission unit, infrared receiver and embedded processing chip, it is described infrared to connect
It receives unit and the embedded processing chip is arranged on the local terminal measuring device, the infrared emission unit is arranged described
In far-end measuring equipment, for being received based on infrared emission unit transmitting infrared signal and the infrared receiver
The interval time of infrared signal determines the distance between the local terminal measuring device and the far-end measuring equipment using as equipment
Spacing output；
The factor configures equipment, connect with the distance measuring equipment, for determining the local terminal based on the equipment spacing
The impact factor of the impact factor of the local terminal pressure value of measuring device and the remote pressure numerical value of the far-end measuring equipment；
Parameter output equipment is connect, for being based on the local terminal pressure value, the local terminal with factor configuration equipment
The impact factor of the impact factor of pressure value, the remote pressure numerical value and the remote pressure numerical value determines that interframe encode is set
Standby instant equipment pressure；
Wherein, in the window positioning device, the search box size of each sub-regions is identical and shape is identical；
Wherein, in the data splitting equipment, forward sight is worked as to described based on the bit error rate determination of the current video frame
Frequency frame carries out the quantity of the average subregion for dividing and obtaining, and the bit error rate of the current video frame is higher, the subregion of acquisition
Quantity is more, and the size of the subregion of acquisition is smaller.
Then, continue that the specific structure of video data encoder processing mechanism of the invention is further detailed.
Can also include: in the video data encoder processing mechanism
ZIGBEE communication interface is connect with factor configuration equipment, for being taken by ZIGBEE communication network to configuration
Device request configuration strategy be engaged in obtain encrypted configuration strategy, and operation is decrypted to the encrypted configuration strategy.
In the video data encoder processing mechanism:
In the ZIGBEE communication interface, the configuration strategy is used to determine that the local terminal is surveyed based on the equipment spacing
Measure the impact factor of the impact factor of the local terminal pressure value of equipment and the remote pressure numerical value of the far-end measuring equipment.
Can also include: in the video data encoder processing mechanism
SRAM stores equipment, connect respectively with the interframe encode equipment and the match block extract equipment, for distinguishing
Store the present input data of the interframe encode equipment and the match block extract equipment.
Can also include: in the video data encoder processing mechanism
Fiber optic data communication interface is connect with the interframe encode equipment, for by the currently transmitted of the interframe encode equipment
Data are sent by optical fiber telecommunications line.
In the video data encoder processing mechanism:
The interframe encode equipment and the match block extract equipment SOC chip of different model is respectively adopted realizing and
The interframe encode equipment and the match block extract equipment are integrated in same printed circuit board.
Can also include: in the video data encoder processing mechanism
Temperature sensing device is connect, for distinguishing respectively with the interframe encode equipment and the match block extract equipment
Detect the skin temperature of the interframe encode equipment and the match block extract equipment.
In addition, ZIGBEE is the low-power consumption LAN protocol based on IEEE802.15.4 standard.It is provided according to international standard,
ZIGBEE technology is the wireless communication technique of a kind of short distance, low-power consumption.This title (also known as ZigBee protocol) derives from honeybee
Eight words dance, due to honeybee (bee) be by circle in the air and " drone " (ZIG) shake wing " dancing " come and companion transmitting pollen
Place azimuth information, that is to say, that honeybee constitutes the communication network in group by such mode.Its main feature is that closely,
Low complex degree, self-organizing, low-power consumption, low data rate.It is mainly suitable for be embedded in for automatic control and remote control field
Various equipment.In brief, ZIGBEE is a kind of cheap, the near radio networking mechanics of communication of low-power consumption.ZIGBEE
It is a kind of wireless network protocol of low speed short-distance transmission.ZIGBEE agreement is respectively physical layer (PHY), media visit from top to bottom
Ask control layer (MAC), transport layer (TL), network layer (NWK), application layer (APL) etc..Wherein physical layer and MAC layer
Follow the regulation of IEEE 802.15.4 standard.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned include: read-only memory (English:
Read-Only Memory, referred to as: ROM), random access memory (English: Random Access Memory, referred to as:
RAM), the various media that can store program code such as magnetic or disk.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (7)
1. a kind of video data encoder processing mechanism, the mechanism include:
Data splitting equipment, it is described current with average division for carrying out data dividing processing to the current video frame received
Video frame obtains each sub-regions, and is averaged and divides each sub-regions to obtain the corresponding each image of each sub-regions
Block；
Vector analysis equipment, for each of each target between the reference frame based on current video frame and the current video frame
A motion vector obtains the reference motion vector of the current video frame；
Window positioning device is connect with the data splitting equipment and the vector analysis equipment respectively, for each height
Region executes following search window location action: anchorage block and the reference motion vector based on the subregion, which determine, to be corresponded to
In the search window position in the reference frame of the subregion；
In the vector analysis equipment, to each motion vector of each target between current video frame and the reference frame
It carries out that vector sum is asked to calculate to obtain the reference motion vector of the current video frame；
In the window positioning device, the search window of each sub-regions is used for as to each image in the subregion
Block search its corresponding match block provides search range in the reference frame in the reference frame；
Match block extract equipment is connect with the window positioning device, below in it for executing for each sub-regions
The detection operation of the match block of portion's image block: in the reference frame, the son is detected in the search window of the subregion
Each image block corresponding match block in the reference frame inside region；
Interframe encode equipment is connect, for the match block based on each image block to described with the match block extract equipment
Image block executes interframe encode processing；
Gear corrective is connect with parameter output equipment and interframe encode equipment respectively, for receiving interframe encoding device
Instant equipment pressure, and converted based on current operational taps of the instant equipment pressure to interframe encode equipment；
In the gear corrective, the current operational taps are inversely proportional with the instant equipment pressure；
Local terminal measuring device is connect with interframe encode equipment, and the side of interframe encode equipment is arranged in, for setting to interframe encode
The pressure of standby place environment measures movement, to obtain corresponding local terminal pressure value；
The distal end of interframe encode equipment is arranged in far-end measuring equipment, connect with match block extract equipment, match block extract equipment
The side of interframe encode equipment is set, movement is measured for the pressure to environment where match block extract equipment, to obtain
Obtain corresponding remote pressure numerical value；
Distance measuring equipment, including infrared emission unit, infrared receiver and embedded processing chip, the infrared receiver list
The first and described embedded processing chip is arranged on the local terminal measuring device, and the infrared emission unit is arranged in the distal end
On measuring device, with infrared for being received based on infrared emission unit transmitting infrared signal and the infrared receiver
The interval time of signal determines the distance between the local terminal measuring device and the far-end measuring equipment using as equipment spacing
Output；
The factor configures equipment, connect with the distance measuring equipment, for determining that the local terminal measures based on the equipment spacing
The impact factor of the impact factor of the local terminal pressure value of equipment and the remote pressure numerical value of the far-end measuring equipment；
Parameter output equipment is connect, for being based on the local terminal pressure value, described end pressure with factor configuration equipment
The impact factor of the impact factor of numerical value, the remote pressure numerical value and the remote pressure numerical value determines interframe encode equipment
Instant equipment pressure；
Wherein, in the window positioning device, the search box size of each sub-regions is identical and shape is identical；
Wherein, it in the data splitting equipment, is determined based on the bit error rate of the current video frame to the current video frame
The quantity of the average subregion for dividing and obtaining is carried out, the bit error rate of the current video frame is higher, the quantity of the subregion of acquisition
More, the size of the subregion of acquisition is smaller.
2. video data encoder processing mechanism as described in claim 1, which is characterized in that the mechanism further include:
ZIGBEE communication interface is connect with factor configuration equipment, for passing through ZIGBEE communication network to configuration server
It requests configuration strategy to obtain encrypted configuration strategy, and operation is decrypted to the encrypted configuration strategy.
3. video data encoder processing mechanism as claimed in claim 2, it is characterised in that:
In the ZIGBEE communication interface, the configuration strategy is used to determine that the local terminal measurement is set based on the equipment spacing
The impact factor of the impact factor of standby local terminal pressure value and the remote pressure numerical value of the far-end measuring equipment.
4. video data encoder processing mechanism as claimed in claim 3, which is characterized in that the mechanism further include:
SRAM stores equipment, connect respectively with the interframe encode equipment and the match block extract equipment, for storing respectively
The present input data of the interframe encode equipment and the match block extract equipment.
5. video data encoder processing mechanism as claimed in claim 4, which is characterized in that the mechanism further include:
Fiber optic data communication interface is connect with the interframe encode equipment, for by the currently transmitted data of the interframe encode equipment
It is sent by optical fiber telecommunications line.
6. video data encoder processing mechanism as claimed in claim 5, it is characterised in that:
The SOC chip of different model is respectively adopted to realize and described in the interframe encode equipment and the match block extract equipment
Interframe encode equipment and the match block extract equipment are integrated in same printed circuit board.
7. video data encoder processing mechanism as claimed in claim 6, which is characterized in that the mechanism further include:
Temperature sensing device is connect, for detecting respectively respectively with the interframe encode equipment and the match block extract equipment
The skin temperature of the interframe encode equipment and the match block extract equipment.
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