CN215006199U

CN215006199U - Photographing ball for eliminating influence of ambient light and photographing angle

Info

Publication number: CN215006199U
Application number: CN202121134423.4U
Authority: CN
Inventors: 李修华; 卢显杰; 奚金阳; 张云皓
Original assignee: Guangxi University
Current assignee: Guangxi University
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-03
Anticipated expiration: 2031-05-25

Abstract

The utility model provides a shooting ball for eliminating the influence of ambient light and shooting angle, which consists of an upper hollow shell and a lower base; the center of the top surface of the hollow shell is provided with a photographing port, the bottom surface of the hollow shell is open, and the inner wall of the hollow shell is provided with a circle of white annular LED light source at the periphery of the photographing port; the up end of base is black background board, and one side of base upper end passes through hinged joint with one side of hollow casing lower part, makes hollow casing and base constitute one can follow the rotatory ball of shooing that opens and shuts of hinge. When shooting plant leaf, open the ball of shooing, put plant leaf on the black background board of base, close the ball of shooing, make plant leaf main part centre gripping in this enclosure space of ball of shooing, open annular LED light source, for the inside initiative light source that provides of ball of shooing, the mouth of shooing on upper portion shoots the plant leaf in the ball of shooing, can eliminate the influence of ambient light and shooting angle, acquires the more accurate plant leaf color image of colour characteristic.

Description

Photographing ball for eliminating influence of ambient light and photographing angle

Technical Field

The utility model relates to an auxiliary photographing device, in particular to a photographing ball for eliminating the influence of ambient light and photographing angle.

Background

Chlorophyll is a substance essential for plant photosynthesis, and the chlorophyll content of plant leaves can reflect the physiological condition of plants. At present, a plurality of scientific researchers at home and abroad research on a plant leaf chlorophyll content estimation method based on a machine vision technology, and the plant leaf chlorophyll content estimation method based on the machine vision technology mainly depends on a digital camera or a mobile phone as a portable visible light imaging sensor, and inverses and estimates the chlorophyll content of leaves by acquiring color images of the plant leaves and extracting corresponding color features.

When a digital camera or a mobile phone is used for shooting a color image of a plant leaf, the color characteristics of the color image obtained under an open condition are easily influenced by factors such as ambient light, shooting angle and the like, so that the precision of imaging and a subsequent RGB estimation model is influenced. Therefore, it is desirable to design a portable ball as an auxiliary photographing device to eliminate the influence of ambient light and photographing angle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ball of shooing for eliminating ambient light and shooting angle influence can acquire the more accurate color image of colour characteristic with its appurtenance when shooing plant leaf color image as digital camera or cell-phone.

The utility model discloses the technical scheme who adopts as follows:

a shooting ball for eliminating the influence of ambient light and shooting angle comprises an upper hollow shell and a lower base; the hollow shell is a large semi-spherical or egg-shaped shell, a photographing opening is formed in the center of the top surface of the hollow shell, the bottom surface of the hollow shell is open, a circle of white annular LED light source is arranged on the periphery of the photographing opening on the inner wall of the hollow shell, and the surface of the inner wall of the hollow shell is a white frosted surface capable of enabling light to form diffuse reflection; the base is a round platform seat, and the up end of base is black background board, and one side of base upper end passes through hinged joint with one side of hollow casing lower part, makes hollow casing and base constitute one can follow the rotatory ball of shooing that opens and shuts of hinge, and when the ball of shooing was closed, the black background board of base up end was uncovered formation to the bottom surface of hollow casing and is sealed.

Furthermore, a power jack and a control switch are arranged on the circumferential surface of the outer side of the base, an LED driving module is arranged in the base, and an external power supply supplies power to the annular LED light source in the hollow shell sequentially through the power jack, the control switch, the LED driving module and a connecting circuit. The annular LED light source adopts a lamp strip consisting of a plurality of white LED lamp beads connected in series, and the working voltage of the lamp strip is 3-5V; the connecting wire of the base penetrates out of the threading hole in the upper end face of the base and enters the hollow shell through the bottom opening of the hollow shell, and then the connecting wire upwards extends to the annular LED light source along the inner wall of the hollow shell.

Further, the outer wall of hollow shell and base respectively is equipped with a hangers at the upper and lower both ends of hinge side, wears to hang in two hangers to have a fore-and-aft soft area of hanging, and the two open ends in soft area of hanging link together through the magic subsides, form the vertical ring of holding of an adjustable size on the outer wall of ball of shooing from this, pass vertical ring of holding with the palm, can conveniently hold the ball of shooing, be convenient for operate the ball of shooing.

Further, the outer wall of hollow shell and base respectively is connected with one section vertical stretching strap in the upper and lower both ends of hinge offside, wherein goes up the fixed bonding of stretching strap on the outer wall of hollow shell, and the lower extreme of lower stretching strap is fixed to be bonded on the outer wall of base, and the upper end of lower stretching strap is open end, and the upper end of lower stretching strap links together with last stretching strap through the magic subsides, locks the closed state of ball of shooing from this.

Further, the uncovered border in hollow casing bottom surface is equipped with the horizontal clamping ring of the inside extension of round, when the ball closure of shooing and centre gripping plant leaf shoot, accessible horizontal clamping ring flattens the plant leaf of placing on base black background board, prevents that the edge of plant leaf from upwarping, influences the shooting effect.

Further, the height of the photographing ball is 10-12 cm, and the outer diameter of the position, where the horizontal section of the hollow shell of the photographing ball is the largest, is 10-12 cm.

Use the utility model discloses a ball of shooing when shooing plant leaf as appurtenance, open the ball of shooing, keep flat plant leaf openly up on the black background board of base, close the ball of shooing, make plant leaf main part centre gripping in this enclosure space of ball of shooing, open annular LED light source, provide the initiative light source for the ball inside of shooing, shoot the plant leaf in the ball of shooing with digital camera or cell-phone from the mouth of shooing on upper portion, can eliminate the influence of ambient light and shooting angle, acquire the more accurate plant leaf color image of colour characteristic.

Drawings

Fig. 1 is a perspective view of the photographing ball when closed.

Fig. 2 is a left side perspective view of fig. 1.

Fig. 3 is a schematic view of the photo ball (with the soft hanging belt and the upper and lower drawstrings removed) when it is opened.

Fig. 4 is a top side perspective view of the hollow shell.

Fig. 5 is a bottom perspective view of the hollow housing.

Fig. 6 is a perspective view of the base.

Fig. 7 is a schematic circuit diagram of the photographing ball.

Fig. 8 is a schematic view of the photographing of plant leaves using the photographing ball as an auxiliary tool.

In the figure: 1-hollow shell, 2-base, 3-shooting mouth, 4-annular LED light source, 5-black background plate, 6-hinge, 7-horizontal pressing ring, 8-hanging lug, 9-soft hanging belt, 10-upper pulling belt, 11-lower pulling belt, 12-power jack, 13-control switch, 14-LED driving module, 15-connecting circuit, 16-threading hole, 17-plant leaf and 18-mobile phone.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-6, the photo ball consists of an upper hollow shell 1 and a lower base 2; the hollow shell 1 is a large semi-spherical or egg-shaped shell, a photographing opening 3 is formed in the center of the top surface of the hollow shell 1, the bottom surface of the hollow shell is open, a circle of horizontal pressing ring 7 extending inwards is arranged on the edge of the opening of the bottom surface, a circle of white annular LED light source 4 is arranged on the periphery of the photographing opening 3 on the inner wall of the hollow shell 1, and a frosted surface capable of enabling illumination to form diffuse reflection is adopted on the surface of the inner wall of the hollow shell 1; the base 2 is a round pedestal, and the up end of base 2 is black background board 5, and one side of 2 upper ends of base and one side of 1 lower part of hollow casing pass through hinge 6 to be connected, make hollow casing 1 and base 2 constitute one can follow the rotatory ball of shooing that opens and shuts of hinge 6, and when the ball of shooing was closed, the black background board 5 of 2 up ends of base was uncovered the formation and is sealed to the bottom surface of hollow casing 1.

The outer wall of hollow shell 1 and base 2 respectively is equipped with a hangers 8 at the upper and lower both ends of hinge 6 side, wears to hang in two hangers 8 and has a fore-and-aft soft area of hanging 9, and the two open ends of soft area of hanging 9 are pasted through the magic and are linked together, form the vertical ring of holding of an adjustable size from this on the outer wall of ball of shooing, pass the palm and vertically hold the ring, can conveniently grip the ball of shooing, are convenient for operate the ball of shooing. The outer wall of hollow shell 1 and base 2 respectively is connected with one section vertical stretching strap at the upper and lower both ends of 6 offsides of hinge, and wherein the fixed bonding of upper stretching strap 10 is on the outer wall of hollow shell 1, and the fixed bonding of lower extreme of pull-down area 11 is on the outer wall of base 2, and the upper end of pull-down area 11 is open end, and the upper end of pull-down area 11 links together with upper stretching strap 10 through the magic subsides, locks the closed state of ball of shooing from this.

The LED light source device is characterized in that a power jack 12 and a control switch 13 are arranged on the circumferential surface of the outer side of the base 2, an LED driving module 14 is arranged in the base 2, and an external power supply supplies power to the annular LED light source 4 in the hollow shell 1 sequentially through the power jack 12, the control switch 13, the LED driving module 14 and a connecting circuit 15. The annular LED light source adopts a lamp strip consisting of a plurality of white LED lamp beads connected in series, and the working voltage of the lamp strip is 3-5V; the connecting circuit 15 of the base 2 penetrates out of the threading hole 16 on the upper end surface of the base 2 and enters the hollow shell 1 through the bottom opening of the hollow shell 1, and then extends upwards to the annular LED4 lamp along the inner wall of the hollow shell 1. The circuit schematic diagram of the photo ball is shown in fig. 7.

The height of the photographing ball is 10-12 cm, and the outer diameter of the maximum horizontal section of the hollow shell 1 of the photographing ball is 10-12 cm.

As shown in fig. 1-8, when the photographing ball is used as an auxiliary tool to photograph the plant leaves, the lower pull belt 11 is torn to be connected with the magic tape of the upper pull belt 10, the photographing ball is opened, the plant leaves 17 are horizontally placed on the black background plate 5 of the base 2 with the front side facing upwards, the photographing ball is closed, the plant leaves 17 are flattened by the horizontal pressing ring 7 opened at the bottom surface of the hollow shell 1, and the main body of the plant leaves 17 is horizontally clamped in the closed space of the photographing ball; the lower drawstring 11 and the magic tape of the upper drawstring 10 are bonded, and the closed state of the photographing ball is locked; an external +5V direct-current power supply is connected into a power jack 12 of the base 2, the control switch 13 is turned on to enable the annular LED light source 4 to be lightened, an active light source is provided for the inside of the photographing ball, and plant leaves 17 in the photographing ball are photographed from a photographing port 3 in the upper portion through a digital camera or a mobile phone 18, so that the influences of ambient light and a photographing angle can be eliminated, and a plant leaf color image with more accurate color characteristics can be obtained.

The above-mentioned drawings are only exemplary embodiments of the present invention and are not intended to limit the present invention, and any modifications or equivalent substitutions and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. A ball of shooing for eliminating ambient light and shooting angle influence, characterized by: consists of an upper hollow shell and a lower base; the hollow shell is a large semi-spherical or egg-shaped shell, a photographing opening is formed in the center of the top surface of the hollow shell, the bottom surface of the hollow shell is open, a circle of white annular LED light source is arranged on the periphery of the photographing opening on the inner wall of the hollow shell, and the surface of the inner wall of the hollow shell is a white frosted surface capable of enabling light to form diffuse reflection; the base is a round platform seat, and the up end of base is black background board, and one side of base upper end passes through hinged joint with one side of hollow casing lower part, makes hollow casing and base constitute one can follow the rotatory ball of shooing that opens and shuts of hinge, and when the ball of shooing was closed, the black background board of base up end was uncovered formation to the bottom surface of hollow casing and is sealed.

2. The camera ball of claim 1 for eliminating the effects of ambient light and camera angle, wherein: the LED light source is characterized in that a power jack and a control switch are arranged on the circumferential surface of the outer side of the base, an LED driving module is arranged in the base, and an external power supply supplies power to the annular LED light source in the hollow shell sequentially through the power jack, the control switch, the LED driving module and a connecting circuit.

3. The camera ball of claim 2 for eliminating the effects of ambient light and camera angle, wherein: the annular LED light source adopts a lamp strip consisting of a plurality of white LED lamp beads connected in series, and the working voltage of the lamp strip is 3-5V.

4. The camera ball of claim 2 for eliminating the effects of ambient light and camera angle, wherein: the connecting wire of the base penetrates out of the threading hole in the upper end face of the base and enters the hollow shell through the bottom opening of the hollow shell, and then the connecting wire upwards extends to the annular LED light source along the inner wall of the hollow shell.

5. The camera ball of claim 1 for eliminating the effects of ambient light and camera angle, wherein: the outer wall of hollow shell and base respectively is equipped with a hangers at the upper and lower both ends of hinge side, wears to hang in two hangers to have a fore-and-aft soft area of hanging, and the two open ends in soft area of hanging link together through the magic subsides, form the vertical ring of holding of an adjustable size on the outer wall of ball of shooing from this.

6. The camera ball of claim 1 for eliminating the effects of ambient light and camera angle, wherein: the outer wall of hollow shell and base respectively is connected with one section vertical stretching strap in the upper and lower both ends of hinge offside, wherein goes up the fixed bonding of stretching strap on the outer wall of hollow shell, and the lower extreme of lower stretching strap is fixed to be bonded on the outer wall of base, and the upper end of lower stretching strap is open end, and the upper end of lower stretching strap links together with last stretching strap through the magic subsides, locks the closed state of ball of shooing from this.

7. The camera ball of claim 1 for eliminating the effects of ambient light and camera angle, wherein: and a circle of horizontal pressing ring extending inwards is arranged at the edge of the opening at the bottom surface of the hollow shell.

8. The camera ball of claim 1 for eliminating the effects of ambient light and camera angle, wherein: the height of the photographing ball is 10-12 cm, and the outer diameter of the maximum horizontal section of the hollow shell of the photographing ball is 10-12 cm.