CN216625908U - Video storage device and endoscope equipment - Google Patents
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Abstract
The utility model discloses a video storage device and an endoscope apparatus, the device comprises: the video splitting and converting module is used for splitting original image data acquired by the endoscope equipment, acquiring split image data of a preset number of paths, and converting the split image data of each path into corresponding MIPI signals; the video splicing and coding module is connected with the video splitting and converting module and used for receiving the MIPI signals, splicing and coding split image data corresponding to the MIPI signals, acquiring stored image data corresponding to original image data and storing the stored image data by using a connected memory; according to the utility model, the 4K video collected by the endoscope equipment is split and converted, so that the video splicing and encoding module can acquire the 4K video with larger data volume through the MIPI interface and store the 4K video in the connected memory after encoding, the 4K video storage function of the endoscope equipment is realized, and the user experience is improved.
Description
Technical Field
The utility model relates to the technical field of video processing, in particular to a video storage device and endoscope equipment.
Background
At present, the development direction of displaying images acquired by endoscope equipment (such as hard scope examination equipment) is towards 4K +3D (three-dimensional), 4K means that the requirement of the hard scope field for high-definition image display is higher and higher at present, and 4K ultra-high definition display is a necessary configuration of high-end endoscope equipment.
In the prior art, although the 4K display of the endoscope device can be realized, the 4K video data volume is large, the requirement on the storage bandwidth is high, and higher data processing capability is required, so that no device capable of realizing the 4K video storage function is available in the field of the existing medical hard endoscopy. Therefore, how to realize the 4K video storage function of the endoscope apparatus and improve the user experience is a problem which needs to be solved urgently nowadays.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a video storage device and an endoscope device, so as to realize a 4K video storage function of the endoscope device and improve user experience.
To solve the above technical problem, the present invention provides a video storage device, comprising:
the video splitting and converting module is used for splitting original image data acquired by endoscopic equipment, acquiring split image data of a preset number of paths, and converting the split image data of each path into corresponding MIPI signals; wherein the preset number is greater than or equal to 2;
and the video splicing and coding module is connected with the video splitting and converting module and used for receiving each path of MIPI signal, splicing and coding split image data corresponding to the MIPI signal, acquiring stored image data corresponding to the original image data and storing the stored image data by using a connected memory.
Optionally, the video splitting and converting module includes:
the video acquisition and splitting unit is used for acquiring the original image data and splitting the original image data to obtain split image data of the preset number of paths;
and the video conversion unit is connected with the video acquisition splitting unit and is used for converting each path of split image data into corresponding MIPI signals.
Optionally, the number of the video conversion units is the preset number; each video conversion unit is used for converting the received split image data into a corresponding MIPI signal.
Optionally, each video conversion unit is connected to the video acquisition splitting unit through an HDMI interface, and is specifically configured to convert one path of the HDMI signal corresponding to the split image data received by each video conversion unit into one path of the corresponding MIPI signal.
Optionally, the video stitching encoding module includes a USB interface, and is configured to send the stored image data to the memory through the USB interface for storage.
Optionally, the original image data is medical image data with a resolution of 4K or more than 4K.
Optionally, the video splicing encoding module includes:
the video input unit is connected with the video splicing and coding module and used for receiving the MIPI signals and acquiring split image data corresponding to the MIPI signals;
the video processing and splicing unit is connected with the video input unit and is used for carrying out video processing and splicing on the split image data to obtain the original image data;
and the video coding unit is connected with the video processing and splicing unit and is used for coding the original image data to acquire the stored image data.
Optionally, the video processing and splicing unit includes:
the video processing subunit is connected with the video input unit and is used for performing frame rate control and pixel format conversion on each path of split image data to obtain image data to be spliced in a target pixel format corresponding to each path of split image data;
and the video splicing subunit is connected with the video processing subunit and is used for splicing each path of image data to be spliced to acquire the original image data.
Optionally, the video encoding unit includes a video recording channel and a photographing channel; the video channel is used for encoding video data in the original image data and acquiring stored image data corresponding to the video data; the photographing channel is used for coding the snapshot image data in the original image data and acquiring the storage image data corresponding to the snapshot image data.
Optionally, the number of the video input units is the preset number; each video input unit is used for acquiring split image data corresponding to one path of the MIPI signals received by each video input unit.
Further, the present invention also provides an endoscope apparatus including: such as the video storage device described above.
The utility model provides a video storage device, comprising: the video splitting and converting module is used for splitting original image data acquired by the endoscope equipment, acquiring split image data of a preset number of paths, and converting each path of split image data into corresponding MIPI signals; the video splicing and coding module is connected with the video splitting and converting module and used for receiving the MIPI signals, splicing and coding split image data corresponding to the MIPI signals, acquiring stored image data corresponding to original image data and storing the stored image data by using a connected memory;
therefore, the 4K video with large data volume acquired by the endoscope equipment can be split and converted into the MIPI signal which can be supported by the video splicing and coding module through the arrangement of the video splitting and converting module; through the setting of video concatenation coding module, can splice the 4K video of split to store the memory of connection after the coding, realized endoscope equipment's 4K video memory function, promoted user experience. In addition, the utility model also provides an endoscope device which also has the beneficial effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a block diagram of a video storage device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another video storage apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a video splicing encoding module of another video storage device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of encoding and storing of another video storage apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a block diagram of a video storage device according to an embodiment of the present invention. The apparatus may include:
the video splitting and converting module 10 is configured to split original image data acquired by an endoscope apparatus, acquire a preset number of paths of split image data, and convert each path of split image data into a corresponding MIPI signal; wherein the preset number is greater than or equal to 2;
and the video splicing and encoding module 20 connected with the video splitting and converting module 10 is configured to receive each MIPI signal, splice and encode split image data corresponding to the MIPI signal, acquire stored image data corresponding to the original image data, and store the stored image data by using a connected memory.
The video splitting and converting module 10 in this embodiment can split an original data stream (i.e., original image data) acquired by the endoscope apparatus into 2 or more (i.e., a preset number of) data streams, and convert the data streams into MIPI (Mobile Industry Processor Interface) signals supported by the video splicing and encoding module 20, so that the video splicing and encoding module 20 can receive the split data streams through the MIPI Interface, splice and synthesize the original data streams, and then encode and store the data streams, thereby implementing a 4K video storage function of the endoscope apparatus.
Specifically, the endoscope apparatus in the present embodiment may be an apparatus for performing medical image acquisition, such as a hard scope examination apparatus and a soft scope examination apparatus; the raw image data collected by the endoscope device may be image data collected by the endoscope device that can be displayed, such as YUV 42210 Bit image (i.e., 4K image) of 3840 × 2160@60fps in fig. 2.
It can be understood that, since the output of the processing device (e.g. FPGA, field programmable gate array) for acquiring and outputting the raw image data in the existing endoscope apparatus is a video interface (e.g. HDMI interface, i.e. high definition multimedia interface), and the video splicing encoding module 20 does not support the video interface, the raw image data output by the video interface is converted into the MIPI signal by the video splitting and converting module 10 in the present embodiment. Moreover, the raw image data collected by the endoscope device may be medical image data with a resolution of 4K or more than 4K (e.g., 8K, 16K, etc.); if the raw image data collected by the endoscope device is medical image data with a resolution of 4K (namely 4K image), the raw image data can be YUV 42210 Bit image of 3840 × 2160@60fps, bandwidth calculation is carried out according to the data volume, the YUV422 originally needs 16Bit, and some control BITs are added, the possible color depth is 24Bit, and 3840 × 2160 × 60 × 8 ═ 3 ═ 11.94 Gbps; for example: 1920 × 1080 indicates that a row has 1920 pixels and a column has 1080 pixels, and the color depth (i.e., bit depth) may indicate the number of bits of each color component in a single pixel; for the transmission of MIPI signals, the hardware supports 4 lines, each Line supports 2.5Gbps/Line at most, that is, in a 4Line scene, the MIPI bandwidth of each MIPI interface is 10Gbps at most, so that the MIPI bandwidth of a single MIPI interface cannot meet the transmission requirement of original image data, therefore, in this embodiment, the video splitting and converting module 10 is used to split the original image data into split image data of a preset number of channels, so as to transmit the split image data of each channel corresponding to each MIPI interface to the video splicing and encoding module 20 through the preset number of MIPI interfaces, for example, when the preset number is 2, the video splitting and converting module 10 can split each picture in the original image data into two left and right pictures.
Specifically, for the specific structure of the video splitting and converting module 10 in this embodiment, the specific structure may be set by a designer according to a practical scene and a user requirement, and for example, the video splitting and converting module 10 may include: the video acquisition and splitting unit is used for acquiring original image data acquired by the endoscope equipment and splitting the original image data to obtain split image data of a preset number of paths; and the video conversion unit is connected with the video acquisition splitting unit and is used for converting each path of split image data into corresponding MIPI signals.
Correspondingly, the specific component types and connection modes of the video acquisition splitting unit and the video conversion unit in the video splitting and converting module 10 in this embodiment may be set by a designer, for example, the video acquisition splitting unit in this embodiment may directly adopt a processing device, such as an FPGA, for acquiring and outputting original image data in the endoscope apparatus; the video acquisition splitting unit may also be a video splitting device connected to a processing device in the endoscope apparatus, for example, the video splitting device may be connected to the processing device in the endoscope apparatus through a video interface (e.g., an HDMI interface), receive the original image data, and split the original image data to obtain split image data of a preset number of channels.
Correspondingly, the number of the video conversion units in this embodiment may be 1, that is, the video conversion units may be connected to the video acquisition splitting unit through a preset number of video interfaces, and configured to respectively convert split image data of a preset number of channels, so as to obtain a preset number of channels of MIPI signals; the number of the video conversion units may also be greater than or equal to 2, for example, the number of the video conversion units may be a preset number, that is, each video conversion unit is configured to convert one path of the received split image data into one path of the corresponding MIPI signal; as shown in fig. 2, the video conversion unit may employ an interface conversion chip (e.g., LTC6911UXC chip), that is, the interface conversion chip may convert the received HDMI signal into a corresponding MIPI signal, and each interface conversion chip may convert one path of split image data received through the HDMI interface into a corresponding MIPI signal and transmit the corresponding MIPI signal to the video processing chip (e.g., video splicing encoding module 20, e.g., a video processing chip of the HI3559 series of haisi platform), so that, through the arrangement of 2 interface conversion chips, two paths 1920 × 2160 data streams (i.e., split image data) obtained by splitting 3840 × 2160 data streams (i.e., original image data) by the video acquisition splitting unit are converted into corresponding MIPI signals and transmitted to the video splicing encoding module 20.
It should be noted that, in this embodiment, the video splicing and encoding module 20 may splice a preset number of paths of split image data received through the MIPI interface to obtain original image data, and place the original image data into a specified buffer area after encoding, so as to transmit the original image data to a connected memory for storage; as shown in fig. 2, the video processing chip (i.e., the video splicing encoding module 20) may splice and merge two 1920 × 2160 data streams (i.e., split image data) into 3840 × 2160 data stream (i.e., original image data) by using a video splicing technique, and encode and store the data stream.
Specifically, the specific component type of the video splicing encoding module 20 in this embodiment may be set by a designer according to a practical scene and a user requirement, for example, the video splicing encoding module 20 may adopt a video processing chip as shown in fig. 2, as long as the video splicing encoding module 20 can splice and encode split image data of a preset number of paths received through the MIPI interface, obtain stored image data corresponding to original image data, and store the stored image data by using a connected memory, which is not limited in this embodiment.
Correspondingly, the specific structure of the video splicing encoding module 20 in this embodiment may be set by a designer, for example, the video splicing encoding module 20 may include a video input unit connected to the video splicing encoding module 20, and be configured to receive each MIPI signal and obtain split image data corresponding to the MIPI signal; the video processing and splicing unit is connected with the video input unit and is used for carrying out video processing and splicing on the split image data to obtain original image data; and the video coding unit is connected with the video processing and splicing unit and is used for coding the original image data to acquire the stored image data.
Specifically, the number of the video input units in this embodiment may be 1, that is, the video input unit obtains split image data corresponding to a preset number of paths of received MIPI signals; the number of the video input units may also be greater than or equal to 2, for example, the number of the video input units may be a preset number, that is, each video input unit (for example, the VI device in fig. 3) is configured to obtain split image data corresponding to one path of the MIPI signal received by each video input unit. As shown in fig. 3, 2 (i.e., a preset number) VI devices (i.e., video input units) may be independent of each other, and respectively process one path of MIPI signal received by each VI device through a respective input Device (DEV), an input PIPE (input PIPE), a physical channel (PHY _ CHN), and an extension channel (EXT _ CHN); wherein the input device can support timing resolution; accordingly, the present embodiment may configure the hardware path of the MIPI signal and the collected data format on software. The input pipeline can have the relevant Processing function of an ISP (Image Signal Processing), mainly carries out pipeline Processing on the Image and outputs a YUV Image format to a subsequent channel; in this embodiment, since the image data is split into YUV data streams, the ISP function of the input pipeline may be configured as bypass. The physical channel may have a function of clipping or the like to contract the slave output size interface. The expansion channel may have functions of zooming, cropping, fisheye correction, etc. to output a target image set by a user.
As shown in fig. 3, the video processing and splicing unit in this embodiment may include a video processing subunit (VPSS) connected to the video input unit (VI), and configured to perform frame rate control and pixel format conversion on each path of split image data, and acquire image data to be spliced in a target pixel format corresponding to each path of split image data; and the video splicing subunit (AVS) is connected with the video processing subunit and is used for splicing each path of image data to be spliced, restoring and acquiring original image data.
Correspondingly, the specific image processing functions supported by the video processing subunit (VPSS) may include FRC (Frame Rate Control), CROP, sharp, 3DNR (de-noising), Scale (scaling), pixel format conversion, LDC (lens distortion correction), Spread (widening processing), fixed angle rotation, arbitrary angle rotation, fisheye correction, Overlayex (video overlay area), Mosaic, Mirror/Flip (horizontal Mirror/Flip), HDR (high dynamic range imaging), Aspect Ratio, compression/decompression, and the like; since the split image data split from the original image data in this embodiment is already processed data, the video processing subunit in this embodiment may be configured to complete a frame rate control function and a pixel format conversion function; the frame rate control function can control the receiving of input images by each GROUP and control the processing of images of each physical channel and expansion channel; the PIXEL FORMAT conversion function can convert the input image FORMAT into a FORMAT supported by a subsequent video coding unit, such as H265 coding of a video processing chip of haisi platform supports receiving YUV FORMAT image input, only supports Semi-planar YVU 4:2:0 and single component input (PIXEL _ FORMAT _ YUV _400), so that the video processing subunit can convert the split image data of YUV422 into image data to be spliced of YUV 420.
Accordingly, the video stitching sub-unit (AVS) can perform panoramic stitching on multiple images, output images according to a specified projection mode, and support non-fusion stitching of horizontal, vertical or field-shaped images. That is to say, in this embodiment, the video stitching subunit may perform panoramic stitching on a preset number of paths of image data to be stitched, so as to obtain original image data; as shown in fig. 3, the video stitching subunit may stitch and restore the two-way 1920 × 2160@60fps image (i.e., the image data to be stitched) after the video processing to the original 3840 × 2160@60fps image (i.e., the original image data).
It can be understood that the video encoding unit (such as VENC in fig. 3) may encode the spliced original image data to obtain corresponding stored image data; for example, the video encoding unit can support video storage encoding (such as h.264 encoding, h.265 encoding and the like) and image encoding (such as MJPEG encoding) to encode video data and snapshot image data in the original image data respectively, so as to realize storage of video storage and video snapshot images. That is, the video encoding unit in this embodiment includes a video recording channel and a photo taking channel; the video channel is used for encoding video data in original image data (such as H.265 encoding) and acquiring stored image data corresponding to the video data; the photographing channel is used for encoding the snapshot image data in the original image data (such as MJPEG encoding) and acquiring the storage image data corresponding to the snapshot image data. As shown in fig. 4, two MIPI Rx image data (i.e., split image data) are combined into a complete image after passing through VPSS and AVS, and encoded in VENC; the VENC may set 2 separate channels, where channel 0 (i.e., the recording channel) may be used for encoding and buffering of video and channel 1 (i.e., the taking channel) may be used for encoding and buffering of snap shots.
Specifically, the video splicing encoding module 20 provided in this embodiment may be connected to a memory, so as to store encoded stored image data corresponding to the raw image data obtained by splicing into the memory, thereby implementing a video storage function of the endoscope apparatus. As to the specific manner of connecting the video splicing encoding module 20 with the memory in this embodiment, that is, the specific type of the communication interface for connecting with the memory, which is set on the video splicing encoding module 20, may be set by a designer, as shown in fig. 2, the communication interface may be a USB interface (such as a USB3.0 interface), that is, the video splicing encoding module 20 may include a USB interface, and the video splicing encoding module 20 may send the stored image data to the memory (such as a USB disk) through the USB interface for storage.
According to the utility model, through the arrangement of the video splitting and converting module 10, the 4K video with large data volume acquired by the endoscope equipment can be split and converted into the MIPI signal which can be supported by the video splicing and encoding module 20; through the setting of video concatenation coding module 20, can splice the 4K video of split to store the memory of connecting after the coding, realized endoscope equipment's 4K video memory function, promoted user experience.
Corresponding to the above video storage device embodiment, the embodiment of the utility model also provides an endoscope device, and the endoscope device described below and the video storage device described above can be correspondingly referred to.
An endoscopic device comprising: the video storage device provided in the above embodiment.
Specifically, the endoscope apparatus provided by the present embodiment may be specifically a hard endoscopy apparatus.
The video storage device and the endoscope apparatus provided by the present invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (11)
1. A video storage device, comprising:
the video splitting and converting module is used for splitting original image data acquired by endoscopic equipment, acquiring split image data of a preset number of paths, and converting the split image data of each path into corresponding MIPI signals; wherein the preset number is greater than or equal to 2;
and the video splicing and coding module is connected with the video splitting and converting module and used for receiving each path of MIPI signal, splicing and coding split image data corresponding to the MIPI signal, acquiring stored image data corresponding to the original image data and storing the stored image data by using a connected memory.
2. The video storage device of claim 1, wherein the video splitting and converting module comprises:
the video acquisition and splitting unit is used for acquiring the original image data and splitting the original image data to obtain split image data of the preset number of paths;
and the video conversion unit is connected with the video acquisition splitting unit and is used for converting each path of split image data into corresponding MIPI signals.
3. The video storage device according to claim 2, wherein the number of the video conversion units is the preset number; each video conversion unit is used for converting the received split image data into a corresponding MIPI signal.
4. The video storage device of claim 3, wherein each of the video conversion units is connected to the video acquisition splitting unit through an HDMI interface, and is specifically configured to convert one path of the HDMI signal corresponding to the split image data received by each of the video conversion units into one path of the corresponding MIPI signal.
5. The video storage device of claim 1, wherein the video stitching coding module comprises a USB interface for sending the stored image data to the memory for storage via the USB interface.
6. The video storage apparatus according to claim 1, wherein the raw image data is medical image data with a resolution of 4K or more than 4K.
7. The video storage device according to any of claims 1 to 6, wherein the video splicing encoding module comprises:
the video input unit is connected with the video splicing and coding module and used for receiving the MIPI signals and acquiring split image data corresponding to the MIPI signals;
the video processing and splicing unit is connected with the video input unit and is used for carrying out video processing and splicing on the split image data to obtain the original image data;
and the video coding unit is connected with the video processing and splicing unit and is used for coding the original image data to acquire the stored image data.
8. The video storage device of claim 7, wherein the video processing and splicing unit comprises:
the video processing subunit is connected with the video input unit and is used for performing frame rate control and pixel format conversion on each path of split image data to obtain image data to be spliced in a target pixel format corresponding to each path of split image data;
and the video splicing subunit is connected with the video processing subunit and is used for splicing each path of image data to be spliced to acquire the original image data.
9. The video storage device of claim 7, wherein the video encoding unit comprises a video recording channel and a picture taking channel; the video channel is used for encoding video data in the original image data and acquiring stored image data corresponding to the video data; the photographing channel is used for coding the snapshot image data in the original image data and acquiring the storage image data corresponding to the snapshot image data.
10. The video storage device of claim 7, wherein the number of the video input units is the preset number; each video input unit is used for acquiring split image data corresponding to one path of the MIPI signals received by each video input unit.
11. An endoscopic device, comprising: a video storage apparatus as claimed in any of claims 1 to 10.
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