CN207897032U - Photographic device - Google Patents

Photographic device Download PDF

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Publication number
CN207897032U
CN207897032U CN201721804327.XU CN201721804327U CN207897032U CN 207897032 U CN207897032 U CN 207897032U CN 201721804327 U CN201721804327 U CN 201721804327U CN 207897032 U CN207897032 U CN 207897032U
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Prior art keywords
image pickup
pickup part
panoramic picture
photographic device
parts
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小林繁之
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Canon Inc
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Canon Inc
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Abstract

A kind of photographic device is provided.In the past, using multiple image pickup parts come there are dead angles in the case of shooting to comprehensive panoramic picture.The photographic device of the utility model by least three or more image pickup part to it is comprehensive be split shooting after be converted to panoramic picture output when, described three or more image pickup parts are configured to the overlapping of the overlapping of the image pickup scope for two image pickup parts that the image pickup scope of the end to being equivalent to the panoramic picture is shot less than the image pickup scope of other two adjacent image pickup parts.By the utility model, dead angle capable of being made to reduce in the case of shooting to comprehensive panoramic picture using multiple image pickup parts.

Description

Photographic device
Technical field
The utility model is related to a kind of photographic devices.
Background technology
In the past, there is a kind of following technology:Have multiple image pickup parts in network cameras of safety applications such as monitoring etc. (camera) is engaged by the image that will be taken by these multiple image pickup parts, can be right compared with using individual image pickup part Wider array of region is shot (for example, Japanese Unexamined Patent Publication 2000-059665 bulletins).One of service condition as this technology Example engages these images comprehensive complete to obtain for example, carrying out sharing shooting to comprehensive using multiple image pickup parts sometimes Scape image.
Here, disclosed in Japanese Unexamined Patent Publication 2000-059665 bulletins in the prior art, being generated between image pickup part No matter from the shooting of which image pickup part all shoot less than dead angle.Therefore, to be obtained using the method for patent document 1 it is comprehensive In the case of panoramic picture, can cause become dead angle more than panoramic picture.It also can be by the way that all image pickup parts be set as wide-angle Reduce dead angle, but in general, the image pickup part (camera) of wide-angle it is of high cost, the increase of cost can be caused.
Utility model content
Utility model will solve the problems, such as
In the past, using multiple image pickup parts come there are dead angles in the case of shooting to comprehensive panoramic picture.
Comprehensive panoramic picture is carried out using multiple image pickup parts the purpose of the utility model is to provide a kind of The photographic device at dead angle can be reduced in the case of shooting.
The solution to the problem
In order to achieve the above objectives, the first aspect of the utility model provides a kind of photographic device, by least three with On image pickup part to it is comprehensive be split shooting after be converted to panoramic picture output, which is characterized in that, described Three or more image pickup parts are configured to two camera shootings that the image pickup scope of the end to being equivalent to the panoramic picture is shot The overlapping of the image pickup scope in portion is less than the overlapping of the image pickup scope of other two adjacent image pickup parts.
The second aspect of the utility model provides a kind of photographic device, which is characterized in that in the photographic device of first aspect In, in described three or more image pickup parts, to the front side master for two image pickup parts that the end of the panoramic picture is shot Distance between point is less than the distance between the front side principal point of other two adjacent image pickup parts, will be positioned at away from all image pickup parts The front side master for the image pickup part that a side in end of the front side principal point apart from identical photo centre and to panoramic picture is shot The straight line of point connection is big with the optical axis institute angle degree for the image pickup part that the side in the end to panoramic picture is shot In the image pickup part to being shot other than the end of panoramic picture optical axis with by photo centre and front side principal point connection Straight line institute angle degree.
The third aspect of the utility model provides a kind of photographic device, which is characterized in that in the photographic device of first aspect In, in described three or more image pickup parts, the camera coverage image pickup part closer from the central portion of panoramic picture is taken the photograph with adjacent As the distance between the front side principal point between portion reduces more step by step, and the optical axis of image pickup part is the same as will be before photo centre and image pickup part The straight line institute angle degree of side principal point connection reduces more step by step.
The fourth aspect of the utility model provides a kind of photographic device, which is characterized in that in the photographic device of second aspect In, in described three or more image pickup parts, the camera coverage image pickup part closer from the central portion of panoramic picture is taken the photograph with adjacent As the distance between the front side principal point between portion reduces more step by step, and the optical axis of image pickup part is the same as will be before photo centre and image pickup part The straight line institute angle degree of side principal point connection reduces more step by step.
5th aspect of the utility model provides a kind of photographic device, which is characterized in that in first aspect to fourth aspect Photographic device in, output unit is also equipped with, after which is converted to multiple panoramic pictures by comprehensive camera coverage Output.
6th aspect of the utility model provides a kind of photographic device, which is characterized in that in first aspect to fourth aspect Photographic device in, in described three or more image pickup parts, the image pickup part shot to the end of panoramic picture is mutual Optical axis institute angle degree is identical as the visual angle for the image pickup part that the end to panoramic picture is shot.
7th aspect of the utility model provides a kind of photographic device, which is characterized in that in first aspect to fourth aspect Photographic device in, in described three or more image pickup parts, each other by the image pickup part shot to the end of panoramic picture It is configured in a manner of mutually staggering along the vertical direction.
The eighth aspect of the utility model provides a kind of photographic device, which is characterized in that in first aspect to fourth aspect Photographic device in, in described three or more image pickup parts, central closer image pickup part of the camera coverage from panoramic picture Visual angle is wider.
The effect of utility model
Even if the utility model be capable of providing it is a kind of using at least three or more image pickup part come to comprehensive panorama Image can also reduce the photographic device at dead angle in the case of being shot.
Embodiment below by referring to accompanying drawing, the further feature of the utility model will become obvious.
Description of the drawings
Fig. 1 a are the functional block diagrams of embodiment 1.
Fig. 1 b are the figures of the appearance for the photographic device for showing embodiment 1.
Fig. 2 is the schematic diagram of the configuration for the image pickup part for showing embodiment 1.
Fig. 3 is the schematic diagram of the detailed configuration for the image pickup part for showing embodiment 1.
Fig. 4 is the schematic diagram for the synthesis panoramic picture for showing embodiment 1.
Fig. 5 is the functional block diagram of embodiment 2.
Fig. 6 a are the schematic diagrames for showing a panoramic view.
Fig. 6 b are the schematic diagrames for showing two panoramic views.
Fig. 7 is the schematic diagram of the configuration for the image pickup part for showing embodiment 2.
Fig. 8 is the schematic diagram of the configuration for the image pickup part for showing embodiment 3.
Fig. 9 is the schematic diagram of the configuration for the image pickup part for showing embodiment 4.
Figure 10 is the configuration birds-eye view of the image pickup part of embodiment 4.
Figure 11 is the schematic diagram of the configuration for the image pickup part for showing conventional example.
Specific implementation mode
In the following, being illustrated come the photographic device in the embodiment to the utility model using attached drawing.At this point, all Attached drawing in same number is marked to the component with same function, omit the repeat description of the content.
<Embodiment 1>
The functional block diagram of photographic device in the utility model is shown in fig 1 a, the outer of photographic device is shown in Figure 1b It sees.In Figure 1b, photographic device 100 has:Fixed camera unit portion 1100 comes and client (not shown) via network Computer connection is held, for being imaged to comprehensive;And camera unit portion 1200, all-around mobile and mirror can be carried out The controls such as head zoom, zoom (Pan/Tilt/Zoom).Camera unit portion 1100 has multiple fixed image pickup parts, to 360 degree Comprehensive be split shooting.In addition, adjacent fixed image pickup part is configured to image pickup scope and is overlapped to a certain extent.When User on the panoramic picture for being imaged from camera unit portion 1100 and being exported to client when specifying region, camera unit portion 1200 All-around mobile and camera lens zoom, Zoom control (PTZ) are carried out to move in detail in the area.After, it is single about camera shooting First portion 1200, omits the description.
In fig 1 a, photographic device 100 have image pickup part 101a~101h and image processing part 104, image pickup part 101a~ 101h is made of imaging optical system 102a~102h, solid-state imager 103a~103h respectively.Image pickup part 101a~101h In the image that takes be synthesized into panoramic picture in image processing part 104.The panoramic picture being synthesized is sent to not shown Client display unit after shown by carry out browser, or be recorded in record portion (not shown).Alternatively, can also carry out to aobvious Show that the browser in portion is shown and records this two side in record portion.Here, for convenience of description, showing that image pickup part is eight Photographic device, but may be any number as long as the number of image pickup part is three or more.
Fig. 2 is from the 100 obtained figure of photographic device in the utility model from upside, is for image pickup part 101a The figure that the configuration of~101h illustrates.As shown in Fig. 2, image pickup part 101a~101h is along the outer of circular photographic device 100 Edge configures.It (will be used from the directional light of optical system rear (image side) incidence and from optics from the front side principal point of each image pickup part The light that (object side) is projected in front of system is known as front side principal point come the principal point found out) indicate each with two dotted lines of radiated entend The visual angle of image pickup part.Here, for convenience of description, the point positioned at the front side principal point with each image pickup part at a distance of same distance is determined Justice is photo centre 110.
Fig. 4 shows to synthesize the image taken by image pickup part 101a~101h using image processing part 104 obtained Panoramic picture.Image 131a~131h is the image imaged by each image pickup part 101a~101h.In addition, the single-point in Fig. 2 Scribing line 111 indicates the boundary between image pickup part 101a and 101h, is equivalent to the end in the panoramic picture after being synthesized shown in Fig. 4 Portion 111.After, which is known as panorama end 111.
In the case where the image taken by multiple the ministry of photography is synthesized panoramic picture, template is in general used With equal method.The degree of correlation in the region of the overlapping between image is utilized in template matches, it is therefore desirable to make image pickup part each other Camera coverage have overlapping region.Therefore, in the case where obtaining comprehensive panoramic picture using multiple image pickup parts, In general as described in Patent Document 1 the distance between the front side principal point of all image pickup parts is set as that at equal intervals, all being taken the photograph As the optical axis in portion is configured to towards direction identical with the straight line for linking front side principal point and photo centre.This is shown in FIG. 11 In the case of image pickup part configuration.No matter observation chart 11 shoots it is found that generating and becoming between each image pickup part from which image pickup part All shoot less than dead angle region.
However, as known to the comprehensive panoramic picture of observation chart 4, it need not be by the both ends (end of panoramic picture 111) it synthesizes, therefore the camera coverage for being responsible for the image pickup part of panorama end need not be made to overlap each other.In the present invention, such as Make the image pickup part 101a for being responsible for panorama end 111 is overlapping with the visual angle of image pickup part 101h to reduce as shown in Figure 2, will tend to complete The camera coverage of scape center side expands, and thus reduces the dead angle between each image pickup part.
<The allocation position of image pickup part>
The allocation position of image pickup part in present embodiment is illustrated.For convenience of description, it shows to take the photograph in Fig. 3 As the detailed configuration of portion 101a~101h.Here, being set as the distance between the mutual front side principal point of image pickup part being expressed as Lxy (a~h wherein, is substituted into x, y).For example, showing as Lha at a distance between the front side principal point of image pickup part 101a and image pickup part 101h. In the present embodiment, distance Lha is configured as being less than in addition to this between the front side principal point of image pickup part 101a and image pickup part 101h Distance Lxy between the front side principal point of image pickup part other than a little image pickup parts.In addition, being configured to from panorama other than panorama end Centre portion is remoter and the more gradual increase of distance between the front side principal point of image pickup part, that is, be configured such that the relationship of following formula at It is vertical.
Lha < Lde < Lcd=Lef < Lbc=Lfg < Lab=Lgh ... (1)
As long as distance Lha is minimum between the front side principal point of image pickup part 101a and image pickup part 101h, then before other image pickup parts Distance between the principal point of side may be arbitrary value (for example, it is also possible at equal intervals).
<The arrangement angles of image pickup part>
Then, the arrangement angles of the image pickup part in present embodiment are illustrated using Fig. 3.For convenience of description, The straight line that the front side principal point of image pickup part and photo centre 110 link is defined as θ with the optical axis institute angle degree of image pickup part.It will take the photograph As the angle, θ of portion 101a~101h is set to θ a~θ h.
As shown in figure 3, each image pickup part is configured to meet relationship below.
| θ a |=| θ h | > | θ b |=| θ g | > | θ c |=| θ f > θ
D |=| θ e | ... (2)
That is, the image pickup part closer from panorama end 111 and angle, θ is bigger, so that optical axis is more tended to panoramic picture Center side.Here, the example for showing the image pickup part remoter from panorama end and θ being made more to be gradually reduced, as long as but θ a and θ h be Maximum angle, then other angles may be arbitrary value.For example, it is also possible to which θ b~θ e are same value.It is expected that with image pickup part The one end at the visual angle of the 101a and image pickup part 101h mode Chong Die with panorama end 111 selects θ a and θ h, so that the reduction at dead angle Effect is maximum.
As described above, in the present embodiment, the image pickup scope for being configured to the end to being equivalent to panoramic picture carries out Overlapping of the overlapping of the image pickup scope of two image pickup parts of shooting less than the image pickup scope of other two adjacent image pickup parts.By This can be expanded the camera coverage for tending to panorama center side by reducing the overlapping at the unwanted visual angle in panorama end place, The dead angle between each image pickup part can be made to reduce.
<Embodiment 2>
It is pair different from first embodiment and in comprehensive panoramic picture in the second embodiment of the utility model There are the case where multiple panorama ends to illustrate.Here, to panorama end there are at two the case where, namely every photography model The case where enclosing 180 ° of progress different image procossings illustrates.Fig. 5 shows the functional block diagram in second embodiment.With The something in common of one embodiment is that image pickup part 201a~201h is taken the photograph by imaging optical system 202a~202h, solid respectively Element 203a~203h constitutes this point.204 quilt of image processing part is passed through by the image that image pickup part 201a~201d takes Synthesize 180 ° of panoramic picture A.
The image taken by image pickup part 201e~201h is synthesized into 180 ° of panoramic picture by image processing part 205 B.In the structure of present embodiment, two 180 ° of panoramic picture A and panoramic picture B pass through different image processing parts respectively 204 and image processing part 205 be synthesized, therefore panoramic picture A and panoramic picture B boundary line (namely image pickup part 201d with The boundary line of image pickup part 201e) it is not synthesized.The panoramic picture hair synthesized by image processing part 204 and image processing part 205 It is sent to transmission switching part 206.Transmission switching part 206 to connect with display unit (not shown) via wired or wireless network, will Panoramic picture A and panoramic picture B switchings ground are distributed to consolidated network, are transmitted successively to display unit.Here, can also be to transmit Switching part 206 is connect with record portion (not shown), is sequentially transmitted to record portion and is recorded panoramic picture A and panoramic picture B.Separately Outside, or the structure with record portion and display unit together.
Fig. 6 a and Fig. 6 b are the comprehensive panoramic pictures that not shown display unit browser is shown.Image 231a~ 231h is the image taken by image pickup part 201a~201h respectively, is panoramic picture A until image 231a to image 231d, It is panoramic picture B until image 231e to image 231h, is respectively equivalent to 180 ° of visual angle.Fig. 6 a are shown using (not shown) aobvious The case where portion of showing makes panoramic picture A and panoramic picture B continuously be shown in a manner of connecting together an on a web browser (panorama View).Fig. 6 b show that browser is made to be divided into the case where getting off's to show panoramic picture A and image B (two panoramic views).It can Know:Whichever browser is shown, all different from first embodiment, and there are 211 (single dotted broken lines) and 212 are (empty for panorama end Line) this at two, is not required to be synthesized.
Fig. 7 is the 200 obtained figure of photographic device of the second embodiment from upside, is for image pickup part 201a The figure that the configuration of~201h illustrates.As described above, the graph of the photographs of image pickup part 201a and image pickup part 201h To be synthesized as being not required to each other, the photographs of image pickup part 201d need not be closed each other with the photographs of image pickup part 201e At.That is panorama end be single dotted broken line 211 and dotted line 212 this at two.Panorama end need not pass through the camera shooting of both sides Portion is overlappingly shot, thus image pickup part 201a, 201h be configured to visual angle one end it is Chong Die with panorama end 211, image pickup part 201d One end that visual angle is configured to image pickup part 201e is Chong Die with panorama end 212.In the same manner as first embodiment, by each camera shooting Distance between the front side principal point in portion is expressed as Lxy and (wherein, brings a~h into x, y).In addition, by the front side principal point of image pickup part and taking the photograph The straight line that shadow center 210 links is defined as θ with the optical axis institute angle degree of image pickup part, by the angle, θ of image pickup part 201a~201h It is expressed as θ a~θ h.At this point, the configuration of the image pickup part in present embodiment meets following relational expressions.
Lha=Lde < Lbc=Lfg < Lab=Lgh=Lcd=Lef
……(3)
| θ a |=| θ h |=| θ d |=| θ e | > | θ b |=| θ g |=| θ c |=| θ f | ... (4)
It configures in this way, the overlapping of the camera coverage in addition to need not synthesize 211 this panorama end can be cut down Except, additionally it is possible to cut down the overlapping of the unwanted camera coverage of another panorama end 212.Therefore, implement compared to first Example, can be further reduced the dead angle between image pickup part.
<Embodiment 3>
Then, the third embodiment of the utility model is illustrated.In first embodiment and second embodiment In, multiple image pickup parts are illustrated for the case where same visual angle.In the present embodiment, camera coverage is got over from panorama end Remote image pickup part, namely the camera coverage image pickup part closer from panorama central portion, are set as wide-angle by visual angle more step by step.This reality The functional block diagram for applying the photographic device 300 in mode is identical as the photographic device 100 in first embodiment, therefore omits function Block diagram.Fig. 8 is the figure illustrated for the configuration of the image pickup part to photographic device 300.When being set as regarding each photographic device When angle is expressed as δ x (a~h is substituted into x), the visual angle of each image pickup part meets following relational expressions.
δ d=δ e > δ c=δ f > δ b=δ g > δ a=δ h ... (5)
Visual angle is set in this way, can efficiently reduce the dead angle of the side remote from photographic device 300.To its reason into Row explanation.The dead angle between image pickup part 101d and the image pickup part of image pickup part 101e is maximum in the first embodiment as shown in Figure 2 and expands It opens up at the position far from image pickup part.In the third embodiment, the visual angle δ of visual angle the δ d and image pickup part 301e of image pickup part 301d E is the visual angle of most wide-angle among all image pickup parts.Therefore, the existing dead angle between image pickup part 301d and image pickup part 301e Efficiently reduce.It is identical at visual angle, extend to from 300 second remote dead angle of photographic device be image pickup part 301c with take the photograph As the dead angle between the dead angle between portion 301d and image pickup part 301e and image pickup part 301f.In contrast, in image pickup part 301c and Image pickup part 301f sends out the image pickup part surely with the second wide visual angle efficiently to reduce dead angle.In this way, by being directed to from image pickup part The image pickup part of the dead angle configuration more wide-angle distally extended, can efficiently reduce the dead angle.
Here, the case where to the visual angle of image pickup part is set as wide-angle step by step is illustrated, but it is not necessarily required gradually Ground extends visual angle, such as can also image pickup part 301d and image pickup part 301e be only set as wide-angle, and other image pickup parts are unified for The visual angle of the narrow viewing angle at visual angle and image pickup part 301e than image pickup part 301d.But in the case where being set as wide-angle step by step, time And in all directions reduce distant place dead angle effect it is big, therefore preferably.In addition, also all image pickup parts can be set as wide-angle, Dead angle minimizing effect highest in this case.However, in general, the image pickup part (camera) of wide-angle, cost is higher, because If all image pickup parts are set as wide-angle by this, the increase of cost can be caused.
<Embodiment 4>
In the fourth embodiment, to making camera coverage by making to be responsible for self overlapping of the image pickup part of panorama end The end of horizontal direction the case where fully overlapping illustrate.In the mode of the present embodiment, compared to embodiment 1, energy Enough it is further reduced the dead angle between other image pickup parts.The functional block diagram of photographic device 400 in present embodiment and first is in fact The functional block diagram for applying the photographic device 100 in mode is identical, therefore omits functional block diagram.Fig. 9 is for photographic device 400 The figure that the configuration of image pickup part illustrates.In addition, Figure 10 is for the configuration to image pickup part 401a and image pickup part 401h in Fig. 9 The figure illustrated is the 400 obtained figure of image pickup part from 411 direction of panorama end.As shown in Figure 10, image pickup part 401h Configure the level with the camera coverage of image pickup part 401a in the top of image pickup part 401a and the end of the horizontal direction of camera coverage The end in direction is overlapped.It configures in this way, as shown in Figure 9 without the camera coverage of image pickup part 401a and image pickup part 401h Overlapping, image pickup part 401a and image pickup part 401h are the direction most towards panorama central portion.Therefore, other image pickup parts also can More tend to panorama central portion, dead angle can be further reduced.In addition, in the case where being configured so that, image pickup part 401a with take the photograph As the photographs of portion 401h is staggered in above-below direction, but panorama end 411 is without panorama mosaic, therefore influences small.
As described above, though according to the utility model be capable of providing a kind of image pickup part using at least three or more come Also the photographic device at dead angle can be reduced in the case of being shot to comprehensive panoramic picture.
Although describing the utility model with reference to exemplary embodiment, but it is to be understood that the utility model is not limited to institute Disclosed exemplary embodiment.The scope of the claims should be endowed broadest explanation to cover all such modifications and wait Same structure and function.
This application claims Japanese patent application No.2017-211162, the priority in October 31 2017 applying date.

Claims (8)

1. a kind of photographic device, by least three or more image pickup part to it is comprehensive be split shooting after be converted to panorama sketch As output, which is characterized in that,
Described three or more image pickup parts are configured to what the image pickup scope of the end to being equivalent to the panoramic picture was shot The overlapping of the image pickup scope of two image pickup parts is less than the overlapping of the image pickup scope of other two adjacent image pickup parts.
2. photographic device according to claim 1, which is characterized in that
In described three or more image pickup parts, to the front side master for two image pickup parts that the end of the panoramic picture is shot Distance between point is less than the distance between the front side principal point of other two adjacent image pickup parts, will be positioned at away from all image pickup parts The front side master for the image pickup part that a side in end of the front side principal point apart from identical photo centre and to panoramic picture is shot The straight line of point connection is big with the optical axis institute angle degree for the image pickup part that the side in the end to panoramic picture is shot In the image pickup part to being shot other than the end of panoramic picture optical axis with by photo centre and front side principal point connection Straight line institute angle degree.
3. photographic device according to claim 1, which is characterized in that
In described three or more image pickup parts, the camera coverage image pickup part closer from the central portion of panoramic picture is taken the photograph with adjacent As the distance between the front side principal point between portion reduces more step by step, and the optical axis of image pickup part is the same as will be before photo centre and image pickup part The straight line institute angle degree of side principal point connection reduces more step by step.
4. photographic device according to claim 2, which is characterized in that
In described three or more image pickup parts, the camera coverage image pickup part closer from the central portion of panoramic picture is taken the photograph with adjacent As the distance between the front side principal point between portion reduces more step by step, and the optical axis of image pickup part is the same as will be before photo centre and image pickup part The straight line institute angle degree of side principal point connection reduces more step by step.
5. photographic device according to any one of claims 1 to 4, which is characterized in that
It is also equipped with output unit, which exports after comprehensive camera coverage is converted to multiple panoramic pictures.
6. photographic device according to any one of claims 1 to 4, which is characterized in that
In described three or more image pickup parts, the mutual optical axis of image pickup part shot to the end of panoramic picture is in Angle is identical as the visual angle for the image pickup part that the end to panoramic picture is shot.
7. photographic device according to any one of claims 1 to 4, which is characterized in that
In described three or more image pickup parts, by the image pickup part shot to the end of panoramic picture each other with vertically side It is configured to the mode mutually staggered.
8. photographic device according to any one of claims 1 to 4, which is characterized in that
In described three or more image pickup parts, visual angle of the camera coverage from the central closer image pickup part of panoramic picture is wider.
CN201721804327.XU 2017-10-31 2017-12-21 Photographic device Active CN207897032U (en)

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JP2017211162A JP2019083483A (en) 2017-10-31 2017-10-31 Multi-view camera

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