CN104469275A - Video image obtaining method, system and device - Google Patents
Video image obtaining method, system and device Download PDFInfo
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- CN104469275A CN104469275A CN201310438194.9A CN201310438194A CN104469275A CN 104469275 A CN104469275 A CN 104469275A CN 201310438194 A CN201310438194 A CN 201310438194A CN 104469275 A CN104469275 A CN 104469275A
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Abstract
The invention discloses a video image obtaining method, system and device. The video image obtaining method comprises the steps that original video image acquisition is conducted on a scene to be acquired by means of a high-definition camera; each time an original video image is acquired, a video image which corresponds to each area to be acquired in the scene to be acquired is generated in the same original video image by combining the electronic amplifying technique with the image clipping technique, wherein the number of the areas to be acquired is M, and M is a positive integer which is larger than one. By the adoption of the scheme, both manpower sources and material resources can be saved, and the realizing difficulty can be lowered.
Description
Technical field
The present invention relates to field of video applications, particularly a kind of video image acquisition methods, system and device.
Background technology
In prior art, for a larger scene to be collected, usually for region multiple to be collected wherein, video image acquisition can be carried out respectively with multiple video camera.
Fig. 1 is the schematic diagram of an existing scene to be collected.As shown in Figure 1, in this scene, comprise three regions to be collected altogether, be respectively region 1 to be collected, region to be collected 2 and region to be collected 3; For each region to be collected, lay a web camera or analog video camera respectively, every platform video camera carries out real-time video image acquisition to the region to be collected of self correspondence respectively.
Wherein, three video cameras can synchronous working, and respectively the video image collected is become network code stream by code conversion, sends to client; Correspondingly, client is decoded etc. respectively to each network code stream received, thus obtains three width video images, and shows user.
But certain problem can be there is in actual applications in aforesaid way, as:
Because needs lay a video camera respectively for each region to be collected, therefore need to expend larger human and material resources, and improve the design difficulty etc. of wiring conduit; And, when the region to be collected in scene to be collected changes, also need the laying etc. re-starting video camera, thus increase expending of human and material resources further.
Summary of the invention
In view of this, the invention provides a kind of video image acquisition methods, system and device, can human and material resources be saved, and can reduce and realize difficulty etc.
In order to achieve the above object, technical scheme of the present invention is achieved in that
A kind of video image acquisition methods, comprising:
Utilize a high-definition camera, raw video image collection is carried out to scene to be collected;
When often collecting a width raw video image, in described same width raw video image, in conjunction with electronics amplifying technique and image interception technology, generate a width video image corresponding with the region each to be collected in described scene to be collected respectively;
Wherein, the number in described region to be collected is M, M be greater than 1 positive integer.
A kind of video image obtains system, comprising: high-definition camera and client;
Described high-definition camera, for carrying out raw video image collection to scene to be collected, and sends to described client;
Described client, for when often receiving the width raw video image that described high-definition camera gathers, in described same width raw video image, in conjunction with electronics amplifying technique and image interception technology, generate a width video image corresponding with the region each to be collected in described scene to be collected respectively; Wherein, the number in described region to be collected is M, M be greater than 1 positive integer.
A kind of client, comprising: the first processing module and the second processing module;
Described first processing module, for receiving every width raw video image that high-definition camera gathers for scene to be collected, and sends to described second processing module;
Described second processing module, for when often receiving a width raw video image, in described same width raw video image, in conjunction with electronics amplifying technique and image interception technology, generate a width video image corresponding with the region each to be collected in described scene to be collected respectively; Wherein, the number in described region to be collected is M, M be greater than 1 positive integer.
Visible, adopt scheme of the present invention, a high-definition camera can be only utilized to carry out raw video image collection to scene to be collected, and can when often collecting a width raw video image, then in conjunction with electronics amplifying technique and image interception technology, generate a width video image corresponding with the region each to be collected in scene to be collected respectively; Owing to only needing laying video camera, therefore compared to existing mode, can save human and material resources significantly, and can reduce the design difficulty etc. of wiring conduit, that namely can reduce scheme realizes difficulty; And, even if the region to be collected in scene to be collected there occurs change, also without the need to again laying video camera, thus save human and material resources etc. further; In addition, by adopting high-definition camera, even if can guarantee to have passed through the process such as electronics amplification, the final each width video image generated still has good picture quality; Further, scheme of the present invention implements simple and convenient, thus be convenient to universal and promote.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an existing scene to be collected.
Fig. 2 is the flow chart of video image acquisition methods embodiment of the present invention.
Fig. 3 is the mode schematic diagram that the present invention carries out video image intercepting.
Fig. 4 is the flow chart of video image acquisition methods of the present invention preferred embodiment.
Fig. 5 is the composition structural representation that video image of the present invention obtains system embodiment.
Fig. 6 is the composition structural representation of client embodiment of the present invention.
Embodiment
For problems of the prior art, the video image proposed in the present invention after a kind of improvement obtains scheme, can save human and material resources, and can reduce and realize difficulty etc.
In order to make technical scheme of the present invention clearly, understand, to develop simultaneously embodiment referring to accompanying drawing, scheme of the present invention be described in further detail.
Fig. 2 is the flow chart of video image acquisition methods embodiment of the present invention.As shown in Figure 2,21 ~ 22 are comprised the following steps.
Step 21: utilize a high-definition camera, raw video image collection is carried out to scene to be collected.
The high-definition camera of which kind of parameter of concrete employing can be decided according to the actual requirements, and such as, can adopt the high-definition camera of 5,000,000 pixels or 3,000,000 pixels.
As a rule, for scene to be collected, high-definition camera chance periodically carries out video image acquisition, if period distances is very little, is then the equal of carry out video image acquisition in real time.
High-definition camera needs to collect the video image comprising whole scene to be collected, correspondingly, needs the installation position of reasonably setting high-definition camera.
In addition, for the ease of distinguishing with the video image of follow-up appearance, the video image collected by high-definition camera is called raw video image.
Step 22: when often collecting a width raw video image, in described same width raw video image, in conjunction with electronics amplifying technique and image interception technology, generates a width video image corresponding with the region each to be collected in scene to be collected respectively; Wherein, the number in region to be collected is M, M be greater than 1 positive integer.
The concrete value of M can be decided according to the actual requirements.
In actual applications, step 22 can be performed by client, and the every width raw video image collected is sent to client by high-definition camera respectively; Correspondingly, when client often receives the width raw video image that high-definition camera sends, then can process according to mode shown in step 22.
Specifically, for every width raw video image, can be handled as follows respectively:
1) mode one
For the region each to be collected in scene to be collected, from raw video image, intercept out the width video image corresponding with this region to be collected respectively, and electronics amplification is carried out to the video image intercepted out;
2) mode two
Raw video image is carried out electronics amplification, and for the region each to be collected in scene to be collected, from the raw video image after carrying out electronics amplification, intercept out the width video image corresponding with this region to be collected respectively.
Can find out, in mode one, first carry out video image intercepting, and then carry out electronics amplification, and in mode two, first carry out electronics amplification, and then carry out video image intercepting.Concrete employing mode one or mode two can be decided according to the actual requirements.
It is a kind of PASS VIDEO decoding technique that electronics amplifies, and by image to lose resolution for cost, carries out the amplification of details, is implemented as prior art.That to lose the resolution of image be cost because electronics amplifies, therefore, adopt high-definition camera to carry out raw video image collection in scheme of the present invention, to make up the deficiency of losing resolution, and then guarantee that the final video image generated has good picture quality.
When carrying out electronics and amplifying, be specifically amplified to and how much can be decided according to the actual requirements equally.
In addition, when carrying out video image and intercepting, following processing mode can be adopted: according to each coordinate range preserved in advance, intercept out the video image being positioned at each coordinate range respectively.
Namely for raw video image or the raw video image that carries out after electronics amplification, according to each coordinate range preserved in advance, intercept out the video image being positioned at each coordinate range respectively, this process participates in without the need to user, but each coordinate range is generally, and user presets.
Certainly, also can adopt and well known to a person skilled in the art other interception way, not be restricted in scheme of the present invention.
Illustrate:
Fig. 3 is the mode schematic diagram that the present invention carries out video image intercepting, as shown in Figure 3, suppose that scene to be collected is the scene to be collected shown in Fig. 1, so, for this scene to be collected, only can lay a high-definition camera, utilize this high-definition camera to carry out real-time video image acquisition to whole scene to be collected;
Suppose to be a width raw video image shown in Fig. 3, region shown in dotted line is wherein the video image corresponding with each region to be collected intercepted out from this raw video image; For region shown in each dotted line, its coordinate range (as limited the coordinate range of a rectangle by top left co-ordinate and lower right corner coordinate) can be preset, thus can automatically intercept out region shown in this dotted line according to coordinate range.
Based on above-mentioned introduction, Fig. 4 is the flow chart of video image acquisition methods of the present invention preferred embodiment.As shown in Figure 4,41 ~ 44 are comprised the following steps.
Step 41: utilize a high-definition camera, raw video image collection is carried out to scene to be collected.
Step 42: when often collecting a width raw video image, for the region each to be collected in scene to be collected, intercepts out the width video image corresponding with this region to be collected respectively from raw video image.
Step 43: respectively electronics amplification is carried out to each width video image intercepted out.
Step 44: each width video image after carrying out electronics amplification is showed user.
In actual applications, each width video image after carrying out electronics amplification can be illustrated in different windows respectively, check for user.
The present invention discloses a kind of video image and obtain system and a kind of client.
Wherein, Fig. 5 is the composition structural representation that video image of the present invention obtains system embodiment.As shown in Figure 5, comprising: high-definition camera 51 and client 52;
High-definition camera 51, for carrying out raw video image collection to scene to be collected, and sends to client 52;
Client 52, for when often receiving the width raw video image that high-definition camera 51 gathers, in described same width raw video image, in conjunction with electronics amplifying technique and image interception technology, generate a width video image corresponding with the region each to be collected in scene to be collected respectively; Wherein, the number in region to be collected is M, M be greater than 1 positive integer.
Particularly,
Client 52 for the region each to be collected in scene to be collected, can intercept out the width video image corresponding with this region to be collected, and carries out electronics amplification to the video image intercepted out respectively from raw video image;
Or,
Raw video image can be carried out electronics amplification by client 52, and for the region each to be collected in scene to be collected, intercepts out the width video image corresponding with this region to be collected respectively from the raw video image after carrying out electronics amplification.
Wherein, client 52 according to each coordinate range preserved in advance, can intercept out the video image being positioned at each coordinate range respectively.
Fig. 6 is the composition structural representation of client embodiment of the present invention.As shown in Figure 6, comprising: the first processing module 61 and the second processing module 62;
First processing module 61, for receiving every width raw video image that high-definition camera gathers for scene to be collected, and sends to the second processing module 62;
Second processing module 62, for when often receiving a width raw video image, in described same width raw video image, in conjunction with electronics amplifying technique and image interception technology, generate a width video image corresponding with the region each to be collected in scene to be collected respectively; Wherein, the number in region to be collected is M, M be greater than 1 positive integer.
Particularly,
Second processing module 62 for the region each to be collected in scene to be collected, can intercept out the width video image corresponding with this region to be collected, and carries out electronics amplification to the video image intercepted out respectively from raw video image;
Or,
Raw video image can be carried out electronics amplification by the second processing module 62, and for the region each to be collected in scene to be collected, intercepts out the width video image corresponding with this region to be collected respectively from the raw video image after carrying out electronics amplification.
Wherein, the second processing module 62 according to each coordinate range preserved in advance, can intercept out the video image being positioned at each coordinate range respectively.
The specific works flow process of system shown in Figure 5 embodiment and Fig. 6 shown device embodiment please refer to the respective description in preceding method embodiment, repeats no more herein.
In a word, adopt scheme of the present invention, a high-definition camera can be only utilized to carry out raw video image collection to scene to be collected, and can when often collecting a width raw video image, then in conjunction with electronics amplifying technique and image interception technology, generate a width video image corresponding with the region each to be collected in scene to be collected respectively; Owing to only needing laying video camera, therefore compared to existing mode, can save human and material resources significantly, and can reduce the design difficulty etc. of wiring conduit, that namely can reduce scheme realizes difficulty; And, even if the region to be collected (comprising number and position etc.) in scene to be collected there occurs change, also without the need to again laying video camera, only need adjust and intercepting object, thus saving human and material resources etc. further; In addition, by adopting high-definition camera, even if can guarantee to have passed through the process such as electronics amplification, the final each width video image generated still has good picture quality; Further, scheme of the present invention implements simple and convenient, thus be convenient to universal and promote.
In sum, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a video image acquisition methods, is characterized in that, comprising:
Utilize a high-definition camera, raw video image collection is carried out to scene to be collected;
When often collecting a width raw video image, in described same width raw video image, in conjunction with electronics amplifying technique and image interception technology, generate a width video image corresponding with the region each to be collected in described scene to be collected respectively;
Wherein, the number in described region to be collected is M, M be greater than 1 positive integer.
2. method according to claim 1, is characterized in that,
Described in conjunction with electronics amplifying technique and image interception technology, generate a width video image corresponding with the region each to be collected in described scene to be collected respectively and comprise:
For the region each to be collected in described scene to be collected, from described raw video image, intercept out the width video image corresponding with this region to be collected respectively, and electronics amplification is carried out to the video image intercepted out;
Or,
Described raw video image is carried out electronics amplification, and for the region each to be collected in described scene to be collected, from the described raw video image after carrying out electronics amplification, intercept out the width video image corresponding with this region to be collected respectively.
3. method according to claim 2, is characterized in that,
Describedly intercept out each video image and comprise: according to each coordinate range preserved in advance, intercept out the video image being positioned at each coordinate range respectively.
4. video image obtains a system, it is characterized in that, comprising: high-definition camera and client;
Described high-definition camera, for carrying out raw video image collection to scene to be collected, and sends to described client;
Described client, for when often receiving the width raw video image that described high-definition camera gathers, in described same width raw video image, in conjunction with electronics amplifying technique and image interception technology, generate a width video image corresponding with the region each to be collected in described scene to be collected respectively; Wherein, the number in described region to be collected is M, M be greater than 1 positive integer.
5. system according to claim 4, is characterized in that,
Described client, for the region each to be collected in described scene to be collected, intercepts out the width video image corresponding with this region to be collected respectively, and carries out electronics amplification to the video image intercepted out from described raw video image;
Or,
Described raw video image is carried out electronics amplification by described client, and for the region each to be collected in described scene to be collected, from the described raw video image after carrying out electronics amplification, intercept out the width video image corresponding with this region to be collected respectively.
6. system according to claim 5, is characterized in that,
Described client, according to each coordinate range preserved in advance, intercepts out the video image being positioned at each coordinate range respectively.
7. a client, is characterized in that, comprising: the first processing module and the second processing module;
Described first processing module, for receiving every width raw video image that high-definition camera gathers for scene to be collected, and sends to described second processing module;
Described second processing module, for when often receiving a width raw video image, in described same width raw video image, in conjunction with electronics amplifying technique and image interception technology, generate a width video image corresponding with the region each to be collected in described scene to be collected respectively; Wherein, the number in described region to be collected is M, M be greater than 1 positive integer.
8. client according to claim 7, is characterized in that,
Described second processing module, for the region each to be collected in described scene to be collected, intercepts out the width video image corresponding with this region to be collected respectively, and carries out electronics amplification to the video image intercepted out from described raw video image;
Or,
Described raw video image is carried out electronics amplification by described second processing module, and for the region each to be collected in described scene to be collected, from the described raw video image after carrying out electronics amplification, intercept out the width video image corresponding with this region to be collected respectively.
9. client according to claim 8, is characterized in that,
Described second processing module, according to each coordinate range preserved in advance, intercepts out the video image being positioned at each coordinate range respectively.
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