CN218103226U

CN218103226U - 360-degree all-round splicing device

Info

Publication number: CN218103226U
Application number: CN202220261638.0U
Authority: CN
Inventors: 董海利; 顾艳雯; 史军; 田芳芳; 孙健
Original assignee: Ningxia Junxingda Intelligent Technology Service Co ltd
Current assignee: Ningxia Junxingda Intelligent Technology Service Co ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-12-20
Anticipated expiration: 2032-02-09

Abstract

The utility model discloses a 360-degree all-round-looking splicing device, which comprises 4 all-round-looking cameras, wherein the all-round-looking cameras are respectively arranged on the front, the back, the left and the right sides of a vehicle body, the frame output signal end of each all-round-looking camera is input into a processor through a storage device, and the processor is connected with a display unit; the shutter triggers of the 4 panoramic cameras are all connected with the output of the same pulse generating circuit, and the trigger signals of the pulse generating circuit are controlled by the processor; the storage device is controlled by the processor. The utility model discloses can guarantee that the concatenation picture of same all around looking image obtains at same moment to and the synchronism of synthetic image.

Description

360-degree all-round splicing device

Technical Field

The utility model relates to a supplementary driving technical field especially relates to a 360 splicing apparatus is looked around.

Background

A 360 deg. look around system may help the driver park the vehicle easily. The parking device is very visual, no blind spot exists, the driver can operate the vehicle to park in the place or pass through a complex road surface leisurely, and accidents such as scraping, collision and falling are effectively reduced.

The existing 360-degree all-round looking system generally adopts a plurality of cameras, image acquisition components, video synthesis/processing components, digital image processing components and vehicle-mounted displays which are arranged around an automobile; the camera shoots the images of the front, the back, the left and the right of the automobile respectively, the images are converted into digital information by the image acquisition component and are sent to the video synthesis/processing component, the images processed by the video synthesis/processing component are converted into analog signals after being processed by the digital image processing component and are output, and panoramic image information of the automobile and the surrounding environment of the automobile is generated on a vehicle-mounted display installed in the automobile.

The existing 360-degree all-round system is not easy to ensure the synchronous work of a plurality of cameras, and further is not easy to ensure that a plurality of synthesized images are obtained at the same time.

Disclosure of Invention

In order to solve the above-mentioned defect, the utility model provides a 360 splicing apparatus is looked around adopts the shutter of same pulse signal to 4 cameras to control to pulse signal is controlled by the treater, consequently can guarantee that the splicing map of same all around image obtains at same moment. The method comprises the following specific steps:

the 360-degree all-round splicing device comprises 4 all-round cameras which are respectively arranged on the front, the back, the left and the right sides of a vehicle body, a frame output signal end of each all-round camera is input into a processor through a storage device, and the processor is connected with a display unit;

the shutter triggers of the 4 panoramic cameras are all connected with the output of the same pulse generating circuit, and the trigger signals of the pulse generating circuit are controlled by the processor; the storage device is controlled by the processor, and can ensure the synchronism of the processor in the image acquisition, image transmission and processing processes.

Further, the storage device includes a memory, an output of the memory is connected to an input of a cache memory, and an output of the cache memory is connected to an input of the processor. Cache memories are used to match the processing speed of the memory and the processor.

Preferably, the storage device comprises 4 memories, the inputs of the 4 memories are respectively connected with the frame output signal ends of the 4 panoramic cameras, the outputs of the 4 memories are all connected with the input of the cache memory, and the read-write control ends of the memories are connected with the processor.

Preferably, the storage device comprises a multi-way switch and a memory, the frame output signals of the 4 panoramic cameras are respectively connected with 4 input ends of the multi-way switch, the output end of the multi-way switch is connected with the input end of the cache, and the multi-way switch is controlled by the processor. Because the read-write speed of the memory is far higher than the shutter speed of the camera, the multi-way switch is adopted, the number of the memories can be reduced under the condition of ensuring the image synchronization, the circuit is simplified, and the cost is saved.

Furthermore, the utility model also comprises a voice device which is connected with the processor and comprises a loudspeaker; the voice device may provide voice alert or voice prompt functionality.

Preferably, the processor is an FPGA or a DSP, the processing speed of the FPGA or the DSP is high, and the image processing speed can be ensured so as to meet the requirement of real-time performance.

Preferably, the display unit comprises a touch screen, and the touch screen is in communication connection with the processor. The touch screen can provide input operation, and convenience is provided for operation of the device and presetting of parameters.

Preferably, the panoramic camera is a 360 ° panoramic camera, and the 360 ° panoramic camera has a larger field of view than a general panoramic camera, and can acquire an image with a larger field of view.

As another preference, the panoramic camera includes a fisheye lens.

The utility model discloses a pulse signal that same pulse generation circuit produced carries out synchro control to the shutter of 4 cameras, and moreover, the pulse generation circuit can be controlled to the treater, therefore can guarantee the synchronization of image.

The utility model discloses simple structure, operation are reliable, low cost.

Drawings

Fig. 1 is a schematic diagram of embodiment 1.

Fig. 2 is a schematic diagram of embodiment 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.

Example 1

As shown in fig. 1, the embodiment discloses a 360 ° around view splicing apparatus, which specifically includes:

the 360-degree all-round-looking splicing device comprises 4 all-round-looking cameras which are respectively arranged on the front, the back, the left and the right sides of a vehicle body, a frame output signal end of each all-round-looking camera is input into a processor through a storage device, and the processor is connected with a display unit; the shutter triggers of the 4 panoramic cameras are all connected with the output of the same pulse generating circuit, and the trigger signals of the pulse generating circuit are controlled by the processor; the storage device is controlled by the processor. The storage device comprises a memory, an output of the memory being connected to an input of a cache memory, an output of the cache memory being connected to an input of the processor.

In this embodiment, the storage device includes 4 memories, inputs of the 4 memories are respectively connected to the frame output signal terminals of the 4 panoramic cameras, outputs of the 4 memories are all connected to the input of the cache memory, and the read-write control terminals of the memories are connected to the processor.

The embodiment also comprises a voice device, wherein the voice device is connected with the processor and comprises a loudspeaker.

As a preferred mode, the processor adopts an FPGA or a DSP; the display unit adopts a touch screen, and the touch screen is connected with the processor through a communication module.

As a preferable example, the panoramic camera adopts a 360-degree panoramic camera, and can provide extra image view in the up and down directions.

As another preferred example, the panoramic camera adopts a fisheye lens, and can meet the requirement of a conventional visual field under the relatively economic condition.

It can be seen from the above embodiments that the present invention adopts the pulse signal generated by the same pulse generating circuit to synchronously control the shutters of the 4 cameras, and the processor can control the pulse generating circuit, thereby ensuring the synchronization of the images.

The utility model also provides a speech device, speech device can provide audio alert or voice prompt facility. The display unit adopts a touch screen, and the touch screen can provide input operation and provide convenience for the operation of the device and the presetting of parameters.

Example 2

As shown in fig. 2, the difference between the present embodiment and embodiment 1 is the storage device, which specifically includes:

the storage device comprises a multi-way switch and a memory, wherein the frame output signals of the 4 panoramic cameras are respectively connected with 4 input ends of the multi-way switch, the output end of the multi-way switch is connected with the input end of the cache memory, and the multi-way switch is controlled by the processor.

Other parts of this embodiment are the same as embodiment 1, and thus are not described in detail.

The embodiment adopts a multi-way switch to selectively connect the panoramic camera to the memory, adopts a time division multiplexing mode, reduces the number of the memories under the condition of ensuring the image synchronization, simplifies the circuit and saves the cost.

Of course, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it is intended that all such modifications and variations be considered within the spirit or scope of the present invention as defined by the appended claims.

Claims

1.360 around looking splicing apparatus, its characterized in that: the system comprises 4 looking-around cameras which are respectively arranged on the front, the back, the left and the right sides of a vehicle body, wherein a frame output signal end of each looking-around camera is input into a processor through a storage device, and the processor is connected with a display unit;

the shutter triggers of the 4 panoramic cameras are all connected with the output of the same pulse generating circuit, and the trigger signals of the pulse generating circuit are controlled by the processor; the storage device is controlled by the processor.

2. The 360 ° all around splicing apparatus of claim 1, wherein: the storage device includes a memory having an output coupled to an input of a cache memory and an output coupled to an input of a processor.

3. The 360 ° all around splicing apparatus of claim 2, wherein: the storage device comprises 4 memories, the inputs of the 4 memories are respectively connected with the frame output signal ends of the 4 panoramic cameras, the outputs of the 4 memories are all connected with the input of the cache memory, and the read-write control ends of the memories are connected with the processor.

4. The 360 ° all around splicing apparatus of claim 2, wherein: the storage device comprises a multi-way switch and a memory, wherein the frame output signals of the 4 panoramic cameras are respectively connected with 4 input ends of the multi-way switch, the output end of the multi-way switch is connected with the input end of the cache memory, and the multi-way switch is controlled by the processor.

5. The 360 ° all around splicing apparatus of claim 1, wherein: still include speech device, speech device connects the treater, and speech device includes the speaker.

6. The 360 ° all around splicing apparatus of claim 1, wherein: the processor is an FPGA or a DSP.

7. The 360 ° all around splicing apparatus of claim 1, wherein: the display unit comprises a touch screen, and the touch screen is in communication connection with the processor.

8. The 360 ° all around splicing apparatus of claim 1, wherein: the all-round camera is a 360-degree all-round camera.

9. The 360 ° all around splicing apparatus of claim 1, wherein: the panoramic camera includes a fisheye lens.