CN106204414A - A kind of method and system of dynamic image caching - Google Patents
A kind of method and system of dynamic image caching Download PDFInfo
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- CN106204414A CN106204414A CN201610639789.4A CN201610639789A CN106204414A CN 106204414 A CN106204414 A CN 106204414A CN 201610639789 A CN201610639789 A CN 201610639789A CN 106204414 A CN106204414 A CN 106204414A
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- buffer
- image
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/60—Memory management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
Abstract
The present invention relates to the method and system of a kind of dynamic image caching, its method includes: step 1: receive the image of collecting device collection as present image；Step 2: judge whether switch module is connected with the first buffer, if it is, using the first buffer as current buffer, perform step 3；Otherwise, using the second buffer as current buffer, perform step 3；Step 3: after being transferred in current buffer by present image, disconnects the connection of switch module and current buffer, is connected with free buffer device by switch module；Step 4: present image is transferred to external equipment by current buffer；Step 5: judge that collecting device the most also sends image, if it is, perform step 1；Otherwise, terminate.The present invention not frame losing processes, and ad hoc two frames wait buffer, queue processing Frame；Double buffer processing modules, quickly carry out image comparison；Speed is faster, it is achieved efficiently, economical；Comparison time shortens, and reduces cost.
Description
Technical field
The present invention relates to the method and system of a kind of dynamic image caching, belong to field of computer technology.
Background technology
Along with the most progressive social and each side is for an urgent demand of auto authentication fast and effectively, biological
Feature identification technique has obtained development at full speed in recent decades.As a kind of inherent attribute of people, and have the strongest
Self stability and individual difference, biological characteristic becomes the most preferable foundation of auto authentication.Current biological characteristic
Identification technology mainly includes: fingerprint recognition, retina identification, iris identification, Gait Recognition, hand vein recognition, recognition of face etc..
Compared with other recognition methodss, recognition of face is owing to having directly, friendly, convenient feature, user without any mental maladjustment,
It is prone to be accepted by user, thus has obtained studying widely and applying.In addition, we can also be to the knot of recognition of face
The most for further analysis, obtain the sex about people, expression, many extra abundant informations such as age, extend face and know
Other application prospect.Current face recognition technology has mainly been applied to the following aspects:
(1) criminal investigation and case detection public security department stores the photo of suspect in archives economy, when crime scene or by it
After his approach obtains the photo of a certain suspect or the description of its facial characteristics, confirmation can be searched rapidly from data base,
Substantially increase the accuracy and efficiency of criminal investigation and case detection.
(2) certificate verification is to check someone identity at many occasions (such as Haikou, airport, secret department etc.) certificate verification
A kind of conventional means, and identity card, a lot of other certificates such as driver's license have photo, use face recognition technology, it is possible to
Completed checking by machine and identify work, thus realize automatic intelligent management.
(3) video monitoring is in many banks, and company, public place etc. is designed with the video monitoring of 24 hours.Different when having
Reason condition or when having stranger to swarm into, needs real-time tracking, monitoring, identifies and warning etc..The image collected is entered by these needs
Row concrete analysis, and the detection of face to be used, follow the tracks of and identification technology.
(4) wide range of in-let dimple in-let dimple, had both included at building, the safety inspection of the porch such as house,
Also include the authentication before entering computer system or intelligence channel.
(5) Expression analysis is according to the changes in faces feature in facial image, identifies and analyze the affective state of people, such as height
Emerging, angry etc..Additionally, face recognition technology is also at medical science, file administration, human face animation, the aspects such as face models, video conference
Also there is huge application prospect.
(6) recognition of face also has some interesting useful application, is such as capable of identify that the intelligent toy of mastership, family
Political affairs robot, there is the virtual game player etc. of true image surface.
Summary of the invention
The technical problem to be solved is not have data latency buffer area for prior art to exist, and so may be used
The probability losing data can be had, may have serious consequences；Bus work frequently, may cause the burden of CPU more
Come the heaviest, finally result in system crash；In data handling, the current frame data that only process, so at time one-tenth for prior art
Can be bigger on Ben；The deficiency that the time that processes in prior art is slower, it is provided that a kind of Double Register processes the dynamic image of image
The method and system of caching.
The technical scheme is that a kind of method that dynamic image caches, including following
Step:
Step 1: receive the image of collecting device collection as present image；
Step 2: judge whether switch module is connected with the first buffer, if it is, using the first buffer as currently
Buffer, the second buffer, as free buffer device, performs step 3；Otherwise, using the second buffer as current buffer, the
One buffer, as free buffer device, performs step 3；
Step 3: after being transferred in current buffer by present image, disconnects the connection of switch module and current buffer,
Switch module is connected with free buffer device；
Step 4: present image is transferred to external equipment by current buffer；
Step 5: judge that collecting device the most also sends image, if it is, perform step 1；Otherwise, terminate.
The invention has the beneficial effects as follows: not frame losing processes, ad hoc two frames wait buffer, queue processing Frame；Double
Buffer processing module, quickly carries out image comparison, waits buffer, queue processing Frame, it is achieved no by ad hoc two frames
Frame losing processes；Data put together and carry out, into machine and storage, to avoid bus operation frequently, offloading the CPU；Speed is more
Hurry up, it is achieved efficiently, economical；Image comparison time shortens, and reduces cost.
On the basis of technique scheme, the present invention can also do following improvement.
Further, in described step 3, after current buffer receives present image, the information that sends is to switch module；Control is opened
Close module and disconnect the connection with current buffer, set up the connection with free buffer device.
Use above-mentioned further scheme to provide the benefit that, control switch module by information, connection can be made in time to break
Open, it is to avoid occur that continuous image image being inputted same buffer and occur covers phenomenon, it is ensured that two buffers are alternately
Receive image.
Further, step 12 is also included between described step 1 and step 2:
Present image is stored in temporary buffer as Waiting Graph picture, using the image that is stored in the earliest in temporary buffer as
Present image exports, and performs step 2.
Use above-mentioned further scheme to provide the benefit that, by the addition of temporary buffer, can delay first, second
The image that storage has little time to process is stored temporarily in temporary buffer, it is to avoid asking of the frame losing occurred because of having little time to process
Topic.
Further, all images stored are ranked up, according to advanced person by described temporary buffer according to the access time
First go out principle output image.
Use above-mentioned further scheme to provide the benefit that, ensure that picture frame by time-sequencing and first in first out
Because inserting temporary buffer, entanglement will not occur, enter temporary buffer and output temporary buffer ensures same order.
Further, the memory space of described temporary buffer is set as at least two frames.
Using above-mentioned further scheme to provide the benefit that, temporary buffer only plays the left and right of temporal cache, it is not necessary to
Excessive memory space, it is possible to store the image that a few frame has little time to process, in the case of ensureing not frame losing, by reducing
Memory space is that system takies less memory headroom, speed up processing.
The technical scheme is that the system that a kind of dynamic image caches, including:
Receiver module, receives the image that collecting device gathers；
Switch module, is connected with in two buffers, and by this connection, receiver module is sent to correspondence
In buffer；
Two buffers, are alternately received the image transmitted by switch module, and the image received are sent to outside
In equipment.
On the basis of technique scheme, the present invention can also do following improvement.
Further, said two buffer includes the first buffer and the second buffer, when switch module and the first caching
Device is connected, and the first buffer receives image；When switch module and the second buffer are connected, the second buffer receives image.
Further, after described first buffer receives image, the information that sends is to switch module；Control switch module disconnect with
The connection of the first buffer, sets up the connection with the second buffer；
After described second buffer receives image, the information that sends is to switch module；Control switch module and disconnect slow with second
The connection of storage, sets up the connection with the first buffer.
Use above-mentioned further scheme to provide the benefit that, control switch module by information, connection can be made in time to break
Open, it is to avoid occur that continuous image image being inputted same buffer and occur covers phenomenon, it is ensured that two buffers are alternately
Receive image.
Further, temporary buffer is also included between described receiver module and switch module:
Image is stored in temporary buffer as Waiting Graph picture, the image being stored in the earliest in temporary buffer by receiver module
Output.
Use above-mentioned further scheme to provide the benefit that, by the addition of temporary buffer, can delay first, second
The image that storage has little time to process is stored temporarily in temporary buffer, it is to avoid asking of the frame losing occurred because of having little time to process
Topic.
Further, all images stored are ranked up, according to advanced person by described temporary buffer according to the access time
First go out principle output image.
Use above-mentioned further scheme to provide the benefit that, ensure that picture frame by time-sequencing and first in first out
Because inserting temporary buffer, entanglement will not occur, enter temporary buffer and output temporary buffer ensures same order.
Further, the memory space of described temporary buffer is set as at least two frames.
Using above-mentioned further scheme to provide the benefit that, temporary buffer only plays the left and right of temporal cache, it is not necessary to
Excessive memory space, it is possible to store the image that a few frame has little time to process, in the case of ensureing not frame losing, by reducing
Memory space is that system takies less memory headroom, speed up processing.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of a kind of dynamic image caching described in the embodiment of the present invention 1；
Fig. 2 is the system structure schematic diagram of a kind of dynamic image caching described in the embodiment of the present invention 1.
In accompanying drawing, the list of parts representated by each label is as follows:
1, receiver module, 2, switch module, 3, buffer, 4, temporary buffer, the 31, first buffer, the 32, second caching
Device.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
Non-for limiting the scope of the present invention.
As it is shown in figure 1, the method for a kind of dynamic image caching described in the embodiment of the present invention 1, comprise the following steps:
Step 1: receive the image of collecting device collection as present image；
Step 2: judge whether switch module is connected with the first buffer, if it is, using the first buffer as currently
Buffer, the second buffer, as free buffer device, performs step 3；Otherwise, using the second buffer as current buffer, the
One buffer, as free buffer device, performs step 3；
Step 3: after being transferred in current buffer by present image, disconnects the connection of switch module and current buffer,
Switch module is connected with free buffer device；
Step 4: present image is transferred to external equipment by current buffer；
Step 5: judge that collecting device the most also sends image, if it is, perform step 1；Otherwise, terminate.
In described step 3, after current buffer receives present image, the information that sends is to switch module；Control switch module
Disconnect the connection with current buffer, set up the connection with free buffer device.
Step 12 is also included between described step 1 and step 2:
Present image is stored in temporary buffer as Waiting Graph picture, using the image that is stored in the earliest in temporary buffer as
Present image exports, and performs step 2.
The all images stored are ranked up, according to first in first out by described temporary buffer according to the access time
Output image.
The memory space of described temporary buffer is set as at least two frames.
As in figure 2 it is shown, the system cached for a kind of dynamic image described in the embodiment of the present invention 2, including:
Receiver module 1, receives the image that collecting device gathers；
Switch module 2, is connected with in two buffers, and by this connection, receiver module is sent to correspondence
In buffer；
Two buffers 3, are alternately received the image transmitted by switch module, and the image received are sent to outside
In equipment.
Said two buffer 3 includes the first buffer 31 and the second buffer 32, when switch module and the first buffer
31 are connected, and the first buffer 31 receives image；When switch module and the second buffer 32 are connected, and the second buffer 32 receives
Image.
After described first buffer 31 receives image, the information that sends is to switch module；Control switch module to disconnect and first
The connection of buffer 31, sets up the connection with the second buffer 32；
After described second buffer 32 receives image, the information that sends is to switch module；Control switch module to disconnect and second
The connection of buffer 32, sets up the connection with the first buffer 31.
Temporary buffer 4 is also included between described receiver module 1 and switch module 2:
Image is stored in temporary buffer as Waiting Graph picture, the figure being stored in the earliest in temporary buffer 4 by receiver module 1
As output.
The all images stored are ranked up by described temporary buffer 4 according to the access time, former according to first in first out
Then export image.
The memory space of described temporary buffer 4 is set as at least two frames.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. the method for a dynamic image caching, it is characterised in that comprise the following steps:
Step 1: receive the image of collecting device collection as present image；
Step 2: judge whether switch module is connected with the first buffer, if it is, using the first buffer as current cache
Device, the second buffer, as free buffer device, performs step 3；Otherwise, using the second buffer as current buffer, first delays
Storage, as free buffer device, performs step 3；
Step 3: after being transferred in current buffer by present image, disconnects the connection of switch module and current buffer, will open
Close module to be connected with free buffer device；
Step 4: present image is transferred to external equipment by current buffer；
Step 5: judge that collecting device the most also sends image, if it is, perform step 1；Otherwise, terminate.
The method of a kind of dynamic image the most according to claim 1 caching, it is characterised in that in described step 3, currently delay
After storage receives present image, the information that sends is to switch module；Control switch module and disconnect the connection with current buffer, set up
Connection with free buffer device.
The method of a kind of dynamic image the most according to claim 1 and 2 caching, it is characterised in that described step 1 and step
Step 12 is also included between 2:
Present image is stored in temporary buffer as Waiting Graph picture, using the image that is stored in the earliest in temporary buffer as currently
Image exports, and performs step 2.
The method of a kind of dynamic image the most according to claim 3 caching, it is characterised in that described temporary buffer is to institute
All images of storage were ranked up according to the access time, exported image according to first in first out.
The method of a kind of dynamic image the most according to claim 4 caching, it is characterised in that depositing of described temporary buffer
Storage space is set as at least two frames.
6. the system of a dynamic image caching, it is characterised in that including:
Receiver module, receives the image that collecting device gathers；
Switch module, is connected with in two buffers, and by this connection, receiver module is sent to corresponding caching
In device；
Two buffers, are alternately received the image transmitted by switch module, and the image received are sent to external equipment
In.
The system of a kind of dynamic image the most according to claim 6 caching, it is characterised in that said two buffer includes
First buffer and the second buffer, when switch module and the first buffer are connected, the first buffer receives image；Work as switch
Module is connected with the second buffer, and the second buffer receives image.
The system of a kind of dynamic image the most according to claim 7 caching, it is characterised in that described first buffer receives
After image, the information that sends is to switch module；Control switch module and disconnect the connection with the first buffer, set up and the second buffer
Connection；
After described second buffer receives image, the information that sends is to switch module；Control switch module to disconnect and the second buffer
Connection, set up and the connection of the first buffer.
9. the system cached according to a kind of dynamic image described in any one of claim 6-8, it is characterised in that described reception mould
Temporary buffer is also included between block and switch module:
Image is stored in temporary buffer as Waiting Graph picture by receiver module, by defeated for the image being stored in the earliest in temporary buffer
Go out.
The system of a kind of dynamic image the most according to claim 9 caching, it is characterised in that described temporary buffer pair
The all images stored were ranked up according to the access time, exported image according to first in first out.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117115049A (en) * | 2023-10-17 | 2023-11-24 | 深圳市城市交通规划设计研究中心股份有限公司 | Noise reduction method for road interior image of ground penetrating radar, electronic equipment and storage medium |
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| CN105229696A (en) * | 2013-04-15 | 2016-01-06 | 微软技术许可有限责任公司 | For the parallel storage of multidimensional data access |
| CN105654419A (en) * | 2016-01-25 | 2016-06-08 | 上海华力创通半导体有限公司 | Operation processing system and operation processing method of image |
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| CN105229696A (en) * | 2013-04-15 | 2016-01-06 | 微软技术许可有限责任公司 | For the parallel storage of multidimensional data access |
| CN104750858A (en) * | 2015-04-16 | 2015-07-01 | 成都影泰科技有限公司 | Network-based data storage method |
| CN105654419A (en) * | 2016-01-25 | 2016-06-08 | 上海华力创通半导体有限公司 | Operation processing system and operation processing method of image |
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| CN117115049A (en) * | 2023-10-17 | 2023-11-24 | 深圳市城市交通规划设计研究中心股份有限公司 | Noise reduction method for road interior image of ground penetrating radar, electronic equipment and storage medium |
| CN117115049B (en) * | 2023-10-17 | 2024-03-29 | 深圳市城市交通规划设计研究中心股份有限公司 | Noise reduction method for road interior image of ground penetrating radar, electronic equipment and storage medium |
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Application publication date: 20161207 |