CN105405178B - Drive recorder and its operating method - Google Patents

Drive recorder and its operating method Download PDF

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Publication number
CN105405178B
CN105405178B CN201410465204.2A CN201410465204A CN105405178B CN 105405178 B CN105405178 B CN 105405178B CN 201410465204 A CN201410465204 A CN 201410465204A CN 105405178 B CN105405178 B CN 105405178B
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China
Prior art keywords
image
picture
processing circuit
image frame
original image
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CN201410465204.2A
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Chinese (zh)
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CN105405178A (en
Inventor
蔡荣哲
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联咏科技股份有限公司
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Publication of CN105405178A publication Critical patent/CN105405178A/en
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Abstract

A kind of drive recorder and its operating method.The drive recorder includes photographing module, database, the first image processing circuit and the second image processing circuit.Photographing module is configured to photographed and exports original image picture.First image processing circuit generates the first image frame according to some or all of original image picture, and first image frame is recorded in database.Second image processing circuit generates the second image frame according to some or all of the original image picture, and second image frame is recorded in database.Wherein, the visual angle of second image frame is different from the visual angle of first image frame.

Description

Drive recorder and its operating method

Technical field

The present invention relates to a kind of photographic devices, and more particularly to a kind of drive recorder and its operating method.

Background technology

Known drive recorder usually only records the image frame of single visual angle.If the image of different visual angles to be recorded is drawn Face needs to configure multiple photographing modules (multigroup camera lens and multiple images sensor) in drive recorder.For example, if being intended to Long sight angle image frame and near-sighted angle image frame are recorded simultaneously, then need to configure a camera shooting mould of looking in the distance in drive recorder Block and a wide-angle imaging module.Photographing module of looking in the distance has one group of telephoto lens (Tele Lens) and an imaging sensor, It can be used for shooting image of looking in the distance (Tele image).Wide-angle imaging module is with one group of wide-angle lens (Wide Lens) and separately One imaging sensor can be used for shooting wide angle picture (Wide image).Anyway, this design need to use two groups of camera lenses And two image inductors, thus increase cost.

Invention content

A kind of drive recorder of present invention offer and its operating method, can use the multiple and different visual angle figures of single-lens capture As picture.

Drive recorder described in the embodiment of the present invention include photographing module, database, the first image processing circuit and Second image processing circuit.Photographing module is configured to photographed and exports original image picture.First image processing circuit coupling Photographing module is connected to receive original image picture.First image processing circuit is generated according to some or all of original image picture First image frame, and first image frame is recorded in database.Second image processing circuit be coupled to photographing module with Receive original image picture.Second image processing circuit generates the second image and draws according to some or all of the original image picture Face, and second image frame is recorded in database.Wherein, the visual angle of second image frame is drawn different from first image The visual angle in face.

In one embodiment of this invention, the first above-mentioned image processing circuit is adjusted separately with the second image processing circuit The resolution of the resolution of first image frame and second image frame so that the resolution of first image frame with should The resolution of second image frame is less than the resolution of the original image picture so that the bandwidth resources that the database is provided must expire First image frame and second image frame are recorded in the bandwidth demand of the database by foot.

In one embodiment of this invention, above-mentioned original image picture is wide angle picture.

In one embodiment of this invention, the first above-mentioned image processing circuit includes the first image zooming-out circuit and the One image scaling circuit.The input terminal of first image zooming-out circuit is coupled to photographing module to receive original image picture.First figure As extraction circuit extracts the first sprite from the original image picture.The input terminal of first image scaling circuit is coupled to the first image Extract the output end of circuit.The resolution of first image scaling the regulation of electrical circuit first sprite and obtain first image picture Face.

In one embodiment of this invention, the first above-mentioned image processing circuit carries out image identification to be drawn from the original image An object is found out in face, and from original image picture extraction include the first sprite of the object.

In one embodiment of this invention, above-mentioned object can be vehicle, car plate or face or other interesting spies Levy image.

In one embodiment of this invention, the second above-mentioned image processing circuit includes the second image zooming-out circuit and the Two image scaling circuits.The input terminal of second image zooming-out circuit is coupled to photographing module to receive original image picture.Second figure As extraction circuit extracts the second sprite from the original image picture.The input terminal of second image scaling circuit is coupled to second figure As the output end of extraction circuit.The resolution of second image scaling the regulation of electrical circuit second sprite and obtain second image picture Face.

In one embodiment of this invention, the first above-mentioned image processing circuit is generated according to the whole of original image picture First image frame.First image processing circuit carries out image identification to find out the position of an object from original image picture, and The position of the object is supplied to the second image processing circuit.Second image processing circuit is carried according to the first image processing circuit Supply the object position from original image picture extraction include the object the second sprite as second image frame.

In one embodiment of this invention, above-mentioned drive recorder further includes third image processing circuit.Third image Processing circuit is coupled to photographing module to receive original image picture.Part of the third image processing circuit according to the original image picture Or whole and generate third image frame, and the third image frame is recorded in database.Wherein, the third image frame Visual angle is different from the visual angle at the visual angle and second image frame of first image frame.

The operating method of drive recorder described in the embodiment of the present invention, including:By photographing module photographed and generate Original image picture;The first image frame is generated according to some or all of the original image picture by the first image processing circuit, And first image frame is recorded in database;And by the second image processing circuit according to the part of the original image picture or The second image frame is all generated, and second image frame is recorded in the database.Wherein, second image frame Visual angle is different from the visual angle of first image frame.

In one embodiment of this invention, the step of above-mentioned generation first image frame includes:It is drawn from the original image Extract the first sprite in face;And it adjusts the resolution of first sprite and obtains first image frame.

In one embodiment of this invention, the step of above-mentioned generation first image frame includes:Image identification is carried out, To find out an object from the original image picture;And from the original image picture extraction include the object the first sprite.

In one embodiment of this invention, the step of above-mentioned generation second image frame includes:It is drawn from the original image Extract the second sprite in face;And it adjusts the resolution of second sprite and obtains second image frame.

In one embodiment of this invention, the step of above-mentioned generation first image frame includes:According to the original image Picture all generates first image frame;And image identification is carried out to find out the position of an object from the original image picture It sets, and the position of the object is supplied to second image processing circuit.The step of above-mentioned generation second image frame, wraps It includes:Include the object from original image picture extraction according to the position for the object that first image processing circuit is provided The second sprite as second image frame.

In one embodiment of this invention, above-mentioned operating method further includes:By third image processing circuit according to the original Some or all of image frame and generate third image frame, and the third image frame is recorded in the database.Wherein, The visual angle of the third image frame is different from the visual angle at the visual angle and second image frame of first image frame.

Based on above-mentioned, drive recorder and its operating method described in the embodiment of the present invention can be by the same photographing module institutes The original image picture of generation is supplied to different images processing circuit simultaneously.These different images processing circuits are respectively with different visual angles It is extracted from the original image picture and generates different images picture.Therefore, the drive recorder and its operating method can be used The single-lens multiple and different multi-view image pictures of capture.

To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and it is detailed to coordinate attached drawing to make Carefully it is described as follows.

Description of the drawings

Fig. 1 is to illustrate a kind of circuit box schematic diagram of drive recorder according to the embodiment of the present invention.

Fig. 2 is the flow diagram for the operating method for illustrating drive recorder according to the embodiment of the present invention.

Fig. 3 is according to picture captured by drive recorder shown in definition graph of the embodiment of the present invention 1 as the example of picture is intended to.

Fig. 4 is to illustrate a kind of circuit box schematic diagram of drive recorder according to another embodiment of the present invention.

【Symbol description】

100:Drive recorder

110:Photographing module

111:Original image picture

120:Image processing circuit

120_1:First image processing circuit

120_2:Second image processing circuit

120_3:Third image processing circuit

130:Database

140_1:First image frame

140_2:Second image frame

140_3:Third image frame

310:Car plate

320:Second sprite

400:Drive recorder

421:First image zooming-out circuit

422:First image scaling circuit

423:Second image zooming-out circuit

424:Second image scaling circuit

S210~S250:Step

Specific implementation mode

" coupling " word used in present specification full text (including claims) can refer to it is any direct or Indirect connection means.For example, if it is described herein that first device is coupled to second device, then should be construed as this first Device can be directly connected to the second device or the first device can be by other devices or certain connection means Grounding connection is to the second device.In addition, all possible places, use element/structure of identical label in schema and embodiment Part/step represents same or like part.In different embodiments using identical label or using identical term element/component/ Step can be with cross-referenced related description.

Fig. 1 is the circuit box schematic diagram for illustrating a kind of drive recorder 100 according to the embodiment of the present invention.Drive recorder 100 include a photographing module 110, multiple images processing circuit 120 and a database 130.Embodiment shown in Fig. 1 In, image processing circuit 120 contains the first image processing circuit 120_1, the second image processing circuit 120_2 and third image Processing circuit 120_3.In some embodiments, the first image processing circuit 120_1, the second image processing circuit 120_2 and Three image processing circuit 120_3 can be integrated in the same integrated circuit.In further embodiments, the first image procossing Circuit 120_1, the second image processing circuit 120_2 and/or third image processing circuit 120_3 may be implemented as different collection At circuit.Anyway, the quantity of image processing circuit 120 can be determined depending on design requirement.For example, in some implementations In example, the quantity of image processing circuit 120 is two.In further embodiments, the quantity of image processing circuit 120 is four Or more.

Photographing module 110 can be with photographed, and exports original image picture 111.First image processing circuit 120_1 couplings To photographing module 110 to receive original image picture 111.First image processing circuit 120_1 can be according to original image picture 111 The first image frame 140_1 is partly or entirely generated, and the first image frame 140_1 is recorded in database 130.Second figure As processing circuit 120_2 is coupled to photographing module 110 to receive original image picture 111.Second image processing circuit 120_2 can be with The second image frame 140_2 is generated according to some or all of original image picture 111, and the second image frame 140_2 is remembered It records in database 130, wherein the visual angle of the second image frame 140_2 is different from the visual angle of the first image frame 140_1.Third figure As processing circuit 120_3 is coupled to photographing module 110 to receive original image picture 111.Third image processing circuit 120_3 can be with Third image frame 140_3 is generated according to some or all of original image picture 111, and third image frame 140_3 is remembered It records in database 130, the wherein visual angle of third image frame 140_3 is different from the visual angle and second of the first image frame 140_1 The visual angle of image frame 140_2.

In some embodiments, image processing circuit 120_1,120_2 and/or 120_3 can have image scaling (scaling) function, to adjust the resolution of image frame 140_1,140_2 and/or 140_3.Therefore, original image picture 111 resolution is likely less than the resolution of image frame 140_1,140_2 and/or 140_3.

In further embodiments, be based on design requirement or other consideration, image processing circuit 120_1,120_2 and/ Or 120_3 can have image cutting-out/abstraction function, to cut out/extraction unit molecule picture conduct figure from original image picture 111 As picture 140_1,140_2 and/or 140_3.Therefore, the resolution of original image picture 111 be likely larger than image frame 140_1, The resolution of 140_2 and/or 140_3.

In further embodiments, original image picture 111 can be wide angle picture.Image processing circuit 120_1,120_2 Different piece can be cut out/extracted from original image picture 111 respectively as the first sprite, the second sprite and with 120_3 Three sprites.Image processing circuit 120_1,120_2 and 120_3 can adjust the first sprite, the second sprite and third The resolution of picture and obtain image frame 140_1,140_2 and 140_3 respectively.For example, but it is not only restricted to this, image is drawn The resolution of face 140_1,140_2 and 140_3 can be high-res (high-definition, HD), overall height resolution (Full-HD) or other resolutions.

For example, pass through data in image processing circuit 120_1,120_2 and 120_3 (or more image processing circuit) When bus access database 130, database 130 is limited with the bandwidth resources that data/address bus can provide.On the other hand, data The memory space that library 130 can provide also is limited.In order to allow the effective shared data bank of these image processing circuits 130 to be carried The bandwidth resources and/or memory space of confession, image processing circuit 120_1,120_2 and 120_3 can divide from original image picture 111 Different piece picture is not cut out/extracted and obtains image frame 140_1,140_2 and 140_3.Image processing circuit 120_1, 120_2 and 120_3 can adjust separately the resolution and image frame of the resolution of image frame 140_1, image frame 140_2 The resolution of 140_3, so that the resolution of image frame 140_1,140_2 and 140_3 are less than the parsing of original image picture 111 Degree.Since the resolution of image frame 140_1,140_2 and 140_3 can be downgraded so that the band that the database 130 is provided Wide resource must meet the bandwidth demand that image frame 140_1,140_2 and 140_3 are recorded in database 130.Therefore, at image Reason circuit 120_1,120_2 and 120_3 can bandwidth resources that effectively shared data bank 130 is provided and/or memory space, into And image frame 140_1,140_2 and 140_3 can be stored in database 130 immediately.

It for convenience of description, below will be using image processing circuit 120_1,120_2 and image frame 140_1,140_2 as saying Bright example.Other image processing circuits (such as third image processing circuit 120_3) can be with reference picture processing circuit 120_1 Or 120_2 related description and analogize it, and other image frame (such as third image frame 140_3) can be with reference picture The related description of picture 140_1 or 140_2 and analogize it.

Fig. 2 is the flow diagram for the operating method for illustrating drive recorder according to the embodiment of the present invention.Please refer to Fig. 1 with Fig. 2, photographing module 110 in step S210 photographed and generate original image picture 111 give the first image processing circuit 120_ 1, the second image processing circuit 120_2, third image processing circuit 120_3 and other image processing circuits.

First image processing circuit 120_1 generates the first image frame according to some or all of original image picture 111 140_1 (step S220), and the first image frame 140_1 is recorded in database 130 (step S230).First image frame The resolution of 140_1 can different (or identical) in the resolution of original image picture 111.In some embodiments, the first image Processing circuit 120_1 can extract whole pictures of original image picture 111 as the first image frame 140_1.In other realities It applies in example, the first image processing circuit 120_1 can extract the part picture of original image picture 111 as in step S220 One sprite, and adjust the resolution of this first sprite and obtain the first image frame 140_1.

Second image processing circuit 120_2 generates the second image frame according to some or all of original image picture 111 140_2 (step S240), and the second image frame 140_2 is recorded in database 130 (step S250).Second image frame The resolution of 140_2 can different (or identical) in the resolution of original image picture 111.In some embodiments, the second image Processing circuit 120_2 can extract whole pictures of original image picture 111 as the second image frame 140_2.In other realities It applies in example, the second image processing circuit 120_2 can extract the part picture of original image picture 111 as in step S240 Two sprites, and adjust the resolution of this second sprite and obtain the second image frame 140_2.Due to image processing circuit 120_1 respectively can cut out/extract different part pictures, therefore the second figure from identical original image picture 111 from 120_2 As the visual angle of picture 140_2 can be different from the visual angle of the first image frame 140_1.

In some embodiments, the first image processing circuit 120_1 can carry out image identification in step S220, with from Original image picture 111 finds out an object (such as vehicle, car plate, face or other interesting characteristic images or object), and Include the first sprite of the object from the extraction of original image picture 111.First image processing circuit 120_1 can adjust this The resolution of one sprite and obtain the first image frame 140_1.For example, the first image processing circuit 120_1 can be into Row image identification, to find out the car plate position of vehicle from original image picture 111.Next, the first image processing circuit 120_1 can To include the part picture of the car plate as first sprite from the extraction of original image picture 111.First image procossing electricity Road 120_1 can adjust the resolution of this first sprite and obtain the first image frame 140_1.That is, the first image The part picture of the car plate in original image picture 111 can be amplified and as the first image frame by processing circuit 120_1 140_1。

In further embodiments, the first image processing circuit 120_1 can be according to original image picture in step S220 111 whole pictures and generate the first image frame 140_1.For example, the first image processing circuit 120_1 can extract original Whole pictures of image frame 111, and adjust the resolution of this extracted picture and as the first image frame 140_1.It is another Aspect, the first image processing circuit 120_1 can carry out image identification in step S220, to be found out from original image picture 111 The position of one object (such as vehicle, car plate, face or other interesting characteristic images or object), and by the position of the object It is supplied to the second image processing circuit 120_2.The position for the object that the first image processing circuit 120_1 of foundation is provided, the Two image processing circuit 120_2 can include that the second son of the object is drawn from the extraction of original image picture 111 in step S240 Face is as the second image frame 140_2.

For example, Fig. 3 is captured as picture according to drive recorder 100 shown in definition graph of the embodiment of the present invention 1 Example be intended to.Photographing module 110 in step S210 photographed and generate original image picture 111 to the first image procossing electricity Road 120_1 and the second image processing circuit 120_2.Original image picture 111 can be above any parsing of high-res (HD) Spend image.First image processing circuit 120_1 can extract whole pictures of original image picture 111 in step S220, and adjust The resolution of this whole extracted picture and as the first image frame 140_1.It is assumed herein that the parsing of the first image frame 140_1 Degree is high-res (HD).First image processing circuit 120_1 can carry out image identification, to be found out from original image picture 111 The position of the car plate 310 of vehicle, and the position of the car plate 310 is supplied to the second image processing circuit 120_2.According to the first figure As the position of the processing circuit 120_1 car plates 310 provided, the second image processing circuit 120_2 can be from original image picture 111 extractions include the part picture of the car plate 310 as second sprite 320.Second image processing circuit 120_2 can The second image frame 140_2 is obtained to adjust the resolution of this second sprite 320.It is assumed herein that the second image frame 140_ 2 resolution is high-res (HD).That is, the second image processing circuit 120_2 can will be somebody's turn to do in original image picture 111 The part picture of car plate 320 is amplified and as the second image frame 140_2.

In conclusion drive recorder 100 and its operating method described in the embodiment of the present invention can be by the same camera shooting moulds Original image picture 111 caused by block 110 is supplied to different images processing circuit 120_1,120_2 and 120_3 simultaneously.These are not It is respectively extracted and is generated not from the original image picture 111 with different visual angles with image processing circuit 120_1,120_2 and 120_3 With image frame 140_1,140_2 and 140_3.Therefore, the drive recorder 100 and its operating method can be taken with single-lens As multiple and different multi-view image pictures.

Fig. 4 is the circuit box schematic diagram for illustrating a kind of drive recorder 400 according to another embodiment of the present invention.Fig. 4 institutes Show that drive recorder 400 is referred to the related description of drive recorder 100 shown in Fig. 1, it can also be with reference to the phase of Fig. 2 and Fig. 3 It speaks on somebody's behalf bright and analogizes it.Drive recorder 400 includes photographing module 110, the first image processing circuit 120_1, at the second image Manage circuit 120_2 and database 130.In the embodiment shown in fig. 4, the first image processing circuit 120_1 includes the first image Circuit 421 and the first image scaling circuit 422 are extracted, and the second image processing circuit 120_2 includes the second image zooming-out electricity Road 423 and the second image scaling circuit 424.

The input terminal of first image zooming-out circuit 421 is coupled to photographing module 110 to receive original image picture 111.First Image zooming-out circuit 421 can extract the first sprite from original image picture 111.The input terminal of first image scaling circuit 422 It is coupled to the output end of the first image zooming-out circuit 421.First image scaling circuit 422 can adjust the solution of first sprite Analysis degree and obtain the first image frame 140_1.

The input terminal of second image zooming-out circuit 423 is coupled to photographing module 110 to receive original image picture 111.Second Image zooming-out circuit 423 can extract the second sprite from original image picture 111.The input terminal of second image scaling circuit 424 It is coupled to the output end of the second image zooming-out circuit 423.Second image scaling circuit 424 can adjust the solution of second sprite Analysis degree and obtain the second image frame 140_2.

In some embodiments, the first image zooming-out circuit 421 can carry out image identification, with from original image picture 111 An object (such as the car plate of vehicle or other interesting characteristic images or object) is found out, and is carried from original image picture 111 Take include the object the first sprite.First image scaling circuit 422 can adjust the resolution of this first sprite and Obtain the first image frame 140_1.Second image zooming-out circuit 423 can carry out image identification, to be looked for from original image picture 111 Go out another object (such as face or other objects).Next, the second image zooming-out circuit 423 can be from original image picture 111 Extraction includes the part picture of another object as the second sprite.Second image scaling circuit 424 can adjust this The resolution of two sprites and obtain the second image frame 140_2.

In further embodiments, the first image zooming-out circuit 421 can extract whole pictures of original image picture 111, First image scaling circuit 422 can adjust the resolution of this extracted picture and as the first image frame 140_1.Another party Face, the first image zooming-out circuit 421 can carry out image identification, with from original image picture 111 find out an object (such as vehicle, Car plate, face or other interesting characteristic images or object) position, and be supplied to the second image to carry the position of the object Sense circuit 423.The position of the object provided according to the first image zooming-out circuit 421, the second image zooming-out circuit 423 can be with Include the second sprite of the object from the extraction of original image picture 111, and the second image scaling circuit 424 can adjust this The resolution of two sprites is as the second image frame 140_2.

In conclusion drive recorder 400 and its operating method described in the embodiment of the present invention can be by the same camera shooting moulds Original image picture 111 caused by block 110 is supplied to different images processing circuit 120_1 and 120_2 simultaneously.These different images Processing circuit 120_1 and 120_2 is respectively extracted from the original image picture 111 with different visual angles and is generated different images picture 140_1 and 140_2.Therefore, the drive recorder 400 and its operating method can use the multiple and different visual angle figures of single-lens capture As picture.

Although the present invention is disclosed as above with embodiment, however, it is not to limit the invention, and those skilled in the art exist It does not depart from the spirit and scope of the present invention, when can make some changes and embellishment, therefore protection scope of the present invention is appended when regarding Subject to claims confining spectrum.

Claims (16)

1. a kind of drive recorder, which is characterized in that the drive recorder includes:
Photographing module is configured to photographed and exports original image picture;
First image processing circuit is coupled to the photographing module directly to receive the original image picture from the photographing module, through matching It sets and extracts the original image picture with the first visual angle and generate the first image frame, and first image frame is recorded in data Library;And
Second image processing circuit is coupled to the photographing module directly to receive the original image picture from the photographing module, through matching It sets and extracts the original image picture with the second visual angle and generate the second image frame, and second image frame is recorded in the data Library, wherein second visual angle of second image frame are different from first visual angle of first image frame,
Wherein first image processing circuit receives the original image picture simultaneously with second image processing circuit,
Wherein first image processing circuit adjusts separately the resolution of first image frame with second image processing circuit With the resolution of second image frame so that the resolution of first image frame and the resolution of second image frame are small In the resolution of the original image picture so that bandwidth resources that the database is provided meet by first image frame and this Two image frames are recorded in the bandwidth demand of the database.
2. drive recorder as described in claim 1, which is characterized in that the original image picture is wide angle picture.
3. drive recorder as described in claim 1, which is characterized in that first image processing circuit includes:
First image zooming-out circuit, input terminal are coupled to the photographing module to receive the original image picture, are configured to from this Original image picture extracts the first sprite;And
First image scaling circuit, input terminal are coupled to the output end of the first image zooming-out circuit, and being configured to adjustment should The resolution of first sprite and obtain first image frame.
4. drive recorder as described in claim 1, which is characterized in that first image processing circuit carry out image identification with Find out object from the original image picture, and from original image picture extraction include the first sprite of the object.
5. drive recorder as claimed in claim 4, which is characterized in that the object is vehicle, car plate or face.
6. drive recorder as described in claim 1, which is characterized in that second image processing circuit includes:
Second image zooming-out circuit, input terminal are coupled to the photographing module to receive the original image picture, are configured to from this Original image picture extracts the second sprite;And
Second image scaling circuit, input terminal are coupled to the output end of the second image zooming-out circuit, and being configured to adjustment should The resolution of second sprite and obtain second image frame.
7. drive recorder as described in claim 1, which is characterized in that first image processing circuit is drawn according to the original image Face all generates first image frame;First image processing circuit carries out image identification to be found out from the original image picture The position of object, and the position of the object is supplied to second image processing circuit;And second image processing circuit according to It includes the second of the object that the position of the object provided according to first image processing circuit is extracted from the original image picture Sprite is as second image frame.
8. drive recorder as described in claim 1, which is characterized in that the drive recorder further includes:
Third image processing circuit is coupled to the photographing module directly to receive the original image picture from the photographing module, through matching It sets and extracts the original image picture with third visual angle and generate third image frame, and the third image frame is recorded in the data Library, wherein the third visual angle of the third image frame are different from first visual angle and second image of first image frame Second visual angle of picture.
9. a kind of operating method of drive recorder, which is characterized in that the operating method includes:
By photographing module photographed and generate original image picture;
The original image picture is extracted with the first visual angle by the first image processing circuit and generates the first image frame, and by this first Image frame is recorded in database;And
The original image picture is extracted with the second visual angle by the second image processing circuit and generates the second image frame, and by this second Image frame is recorded in the database, and wherein second visual angle of second image frame is different from being somebody's turn to do for first image frame First visual angle,
Wherein first image processing circuit is direct with second image processing circuit and receives the original image picture simultaneously,
Wherein first image processing circuit adjusts separately the resolution of first image frame with second image processing circuit With the resolution of second image frame so that the resolution of first image frame and the resolution of second image frame are small In the resolution of the original image picture so that bandwidth resources that the database is provided meet by first image frame and this Two image frames are recorded in the bandwidth demand of the database.
10. the operating method of drive recorder as claimed in claim 9, which is characterized in that the original image picture is wide-angle figure Picture.
11. the operating method of drive recorder as claimed in claim 9, which is characterized in that described generation first image is drawn The step of face includes:
The first sprite is extracted from the original image picture;And
It adjusts the resolution of first sprite and obtains first image frame.
12. the operating method of drive recorder as claimed in claim 9, which is characterized in that described generation first image is drawn The step of face includes:
Image identification is carried out, to find out object from the original image picture;And
Include the first sprite of the object from original image picture extraction.
13. the operating method of drive recorder as claimed in claim 12, which is characterized in that the object be vehicle, car plate or Face.
14. the operating method of drive recorder as claimed in claim 9, which is characterized in that described generation second image is drawn The step of face includes:
The second sprite is extracted from the original image picture;And
It adjusts the resolution of second sprite and obtains second image frame.
15. the operating method of drive recorder as claimed in claim 9, which is characterized in that
The step of described generation first image frame includes:
All first image frame is generated according to the original image picture;And
Image identification is carried out to find out the position of object from the original image picture, and the position of the object is supplied to second figure As processing circuit;And
The step of described generation second image frame includes:
Include the object from original image picture extraction according to the position for the object that first image processing circuit is provided The second sprite as second image frame.
16. the operating method of drive recorder as claimed in claim 9, which is characterized in that the operating method further includes:
The original image picture is extracted with third visual angle by third image processing circuit and generates third image frame, and by the third Image frame is recorded in the database, and wherein third visual angle of the third image frame is different from being somebody's turn to do for first image frame Second visual angle at the first visual angle and second image frame.
CN201410465204.2A 2014-09-12 2014-09-12 Drive recorder and its operating method CN105405178B (en)

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