KR20160113795A - Apparatus and method for controlling photograph mode in camera - Google Patents

Apparatus and method for controlling photograph mode in camera Download PDF

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Publication number
KR20160113795A
KR20160113795A KR1020150039890A KR20150039890A KR20160113795A KR 20160113795 A KR20160113795 A KR 20160113795A KR 1020150039890 A KR1020150039890 A KR 1020150039890A KR 20150039890 A KR20150039890 A KR 20150039890A KR 20160113795 A KR20160113795 A KR 20160113795A
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mode
roughness
infrared led
illuminance
value
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KR1020150039890A
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Korean (ko)
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KR101690499B1 (en
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이수우
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주식회사 오디씨
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    • H04N5/23245—
    • H04N5/2256—
    • H04N5/23241—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)

Abstract

The present invention relates to an apparatus and a method for controlling shooting mode settings of a camera in a real-time adaptive manner and, more specifically, to a method for controlling shooting mode settings of a camera in a real-time adaptive manner as a method for controlling day and night shooting mode settings of a camera outputting infrared light to an object through an infrared LED depending on a shooting mode, comprising: a step of detecting the illuminance of ambient light received in a camera lens through an illuminance sensor installed on one side of the camera lens; a step of determining whether to switch over to a day or night shooting mode or to maintain the current state by comparing an illuminance sensing value sensed by the illuminance sensor with a predetermined day and night switching illuminance threshold value; a step of flickering the infrared LED depending on the shooting mode when the shooting mode is switched over by comparing the illuminance sensing value with the predetermined day and night switching illuminance threshold value; and a step of determining whether the shooting mode switching is valid by comparing the sensed illuminance sensing value with the day and night switching illuminance threshold value while the infrared LED remains flickering like in a state where the shooting mode has not been switched over in order to determine whether the light emitted by the flickering of the infrared LED affects the illuminance sensing value. According to the present invention, the validity of the illuminance sensing value sensed in a real-time adaptive manner is determined to determine whether to switch over the shooting mode, thereby improving the quality of an image shot by a conventional camera without separate mechanical improvement thereof.

Description

Technical Field [0001] The present invention relates to a control device and a control method for setting a real-time adaptive camera shooting mode,

The present invention relates to a real-time adaptive camera photographing mode setting control device and method, and more particularly, to a day-and-night photographing mode setting control device and a control method thereof, And a real time adaptive camera shooting mode setting control device and method for solving the problem that the LED light generated by the blinking of the infrared LED affects the illumination sensing value and repeats the day / night mode.

Generally, CCTV (Closed Circuit Television) is installed in places such as houses, department stores, banks, exhibition halls where security is required for preventing or preventing disasters including intrusion, theft or fire.

In particular, it is difficult to conduct security surveillance by people on business sites, military facilities, public facilities such as border lines, coastline, harbors, and large-scale parking lots. Therefore, Security facilities became necessary.

Accordingly, at least one camera is installed in each of the above-mentioned business sites, public facilities, and borders, and at least one camera is installed in the area to be monitored. Based on the image screen shot by the camera, the intruder detection, theft of the article, Measures to Prevent It is used to record intruders, theft or crime in order to accurately identify the situation.

A conventional security surveillance system using a surveillance camera includes a camera for photographing a region to be photographed, a sensing means for sensing the brightness of the subject to be photographed by the camera and outputting the sensed brightness to the control means, And outputs a control signal for turning off the infrared LED lighting means in the daytime mode to the lighting means, and turns on the infrared LED lighting means in the nighttime mode An infrared LED illumination means for turning on and off according to an on / off control signal outputted from the control means, and a control means for storing a video signal photographed by the camera, And a storage means for outputting the stored video signal according to the video signal.

An illuminance sensor is provided on one side of the camera lens to detect the brightness of the object to be photographed according to the switching of the photographing mode, and the illuminance value of the light incident on the camera lens is detected and compared with the predetermined day- Mode. That is, the main and night modes are determined according to whether or not the roughness sensing value detected through the roughness sensor exceeds the roughness threshold for switching the photographing mode.

At this time, in the step of switching from the daytime shooting mode to the nighttime shooting mode and the infrared LED is turned on, the light generated through the infrared LED is changed from the night mode to the daytime mode with an influence on the sensing value detected by the illumination sensor, The nighttime mode is repeated such that the infrared LED is turned off and then switched back to the nighttime mode.

Therefore, it is possible to overcome the unreasonable point of the conventional camera photographing mode setting control method, to judge the validity of the illumination sensing value in real time adaptively without compensating the reliability of the parts or mechanically supplementing the existing camera, There is an increasing demand for control methods and control devices that can be determined.

Korean Patent No. 9624374

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a method and apparatus for preventing the day / night mode from being repeatedly changed when the light generated from the infrared LED affects the illumination sensing value, And determines the shooting mode of the camera by judging the validity of the roughness sensing value detected adaptively in real time.

According to an aspect of the present invention, there is provided a method for setting a day / night shooting mode of a camera for outputting infrared light to a shooting object through an infrared LED according to an imaging mode, the method comprising: The method comprising the steps of: detecting an illuminance of ambient light received by the camera lens through an illuminance sensor; comparing the illuminance sensing value detected through the illuminance sensor with a preset night and day mode conversion illuminance threshold to switch to a day or night shooting mode, The method comprising the steps of: comparing the illumination sensing value with a predefined day / night mode conversion roughness threshold to flicker the infrared LED according to a photographing mode when the photographing mode is switched; In order to determine whether the generated light affects the illuminance sensing value, the infrared LED Determining whether the photographing mode switching is valid by comparing the sensed roughness sensing value with the day / night mode conversion roughness threshold value, with the blinking state of the state before the photographing mode changeover.

In addition, the day / night mode conversion illumination threshold value may include a daytime entering illumination threshold value and a nighttime entering illumination threshold value having a constant illumination value lower than the weekly entering illumination threshold value, If the input illumination intensity is greater than the threshold value, it is determined that the mode has entered into the daytime mode. If the illumination sensing value detected through the illumination sensor is lower than the night entry illumination threshold value, Mode.

If the infrared LED is turned off in the nighttime mode, the infrared LED is turned off. If the camera mode is switched from the daytime mode to the nighttime mode, The infrared LED is turned on.

In addition, when the first night mode is changed to the first night mode in the daytime mode, the infrared LED is turned on, and the detected illumination intensity value exceeds the weekly entering roughness threshold, the photographing mode should be switched back to the daytime mode. The method comprising the steps of: turning off the illuminated infrared LED; re-detecting the illuminance sensing value when the infrared LED is off; comparing the re-detected illuminance sensing value with the inter- And switching back from the night mode to the daytime mode if the sensed value exceeds the weekly entering roughness threshold.

In addition, when the first night mode is changed to the first night mode in the daytime mode, the infrared LED is turned on, and the detected illumination intensity value exceeds the weekly entering roughness threshold value and the photographing mode is to be switched back to the daytime mode, The method comprising the steps of: turning off the illuminated infrared LED; re-detecting the illuminance sensing value when the infrared LED is off; comparing the re-detected illuminance sensing value with the inter- And if the sensed value does not exceed the inter-day entering roughness threshold, updating the roughness sensing value exceeding the inter-day entering roughness threshold to a new inter-day entering roughness threshold and maintaining the night mode.

Furthermore, when the camera photographing mode is switched from the night mode to the daytime mode, the weekly entering roughness threshold is reset to a predetermined roughness threshold value from the updated new roughness threshold value.

Also, the day / night mode conversion illumination threshold value may further include a daytime entry maximum illumination intensity threshold value higher than a maximum illumination value that the infrared LED mounted on the periphery of the camera lens can emit, If the value is exceeded, it is judged that the day mode has been entered.

An illuminance sensing unit which is installed on one side of the camera lens and detects the illuminance of ambient light received by the camera lens, A photographing mode setting unit for controlling the daytime or nighttime photographing mode to be switched and maintained by comparing the roughness sensing value detected by the roughness sensing unit with the predetermined nighttime mode conversion roughness threshold value and the roughness sensing value, An infrared LED operating unit for controlling the infrared LED to blink when the photographing mode is changed by the photographing mode setting unit; and a control unit for controlling the light emitted from the infrared LED by the infrared LED operating unit, And a sensing value determination unit for determining whether or not the sensing value affects the sensing value, When the photographing mode is switched from the daytime to the nighttime in the setting unit, the sensing value determination unit generates an off control command so that the infrared LED is turned off to the infrared LED operation unit and transmits the off control command to the infrared LED operation unit. The sensing intensity value is sensed by the illumination sensing unit, and the sensed illumination intensity value is transmitted to the sensing value determination unit. When the illumination sensing value is within the predetermined illumination intensity threshold value, the night sensing mode is maintained. The mode switching control command is transmitted to the photographing mode setting unit to change to the daytime photographing mode again.

According to the present invention, the validity of the illumination sensing value detected in real time adaptively is determined to determine the photographing mode change, so that it is possible to improve the quality of the photographing image It is effective.

FIG. 1 is a view showing a main configuration of a real-time adaptive camera shooting mode setting control apparatus according to the present invention.
FIG. 2 is a flowchart illustrating a procedure of a real-time adaptive camera shooting mode setting control method according to the present invention.
3 is a diagram showing an example of a photographing mode determination method according to a day / night mode conversion roughness threshold value.
4 is a flowchart showing a detailed procedure for judging whether or not the photographing mode switching is effective.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a view showing a main configuration of a real-time adaptive camera shooting mode setting control apparatus according to the present invention.

Referring to the drawings, a real-time adaptive camera shooting mode setting control apparatus according to the present invention includes an illumination sensing unit 100, a shooting mode setting unit 200, an infrared LED operating unit 300, and a sensing value determining unit 400 .

The real-time adaptive camera shooting mode setting control device according to the present invention includes at least one infrared LED 10 to illuminate a subject of a camera lens around a camera lens. As shown in the figure, a plurality of infrared LEDs 10 are arranged in an arc shape around the camera lens, and the infrared LED 10 is turned on and off according to the camera daylight shooting mode to output infrared light.

The illuminance sensing unit 100 is installed on one side of the camera lens and detects illuminance of ambient light received by the camera lens. In the drawing, the illuminance sensing unit 100 allows a single illuminance sensor to be installed on a surface where the infrared LED 10 near the camera lens is installed.

The photographing mode setting unit 200 receives the illuminance sensing value detected by the illuminance sensing unit 100 and compares the transmitted illuminance sensing value with the predetermined nighttime mode conversion illuminance threshold to switch and maintain the day or night photographing mode .

Wherein the day / night mode conversion illumination threshold value is configured to include a daytime entering illumination threshold value, a night entering roughness threshold value and a daytime entering maximum illumination threshold value.

The light intensity threshold value is determined to be a constant value according to the number and specifications of the infrared LEDs 10 mounted on the periphery of the camera lens, and the illuminance threshold value is larger than the internal reflection value by the infrared LED 10. If the roughness sensing value is higher than the weekly entry roughness threshold and is higher than the weekly entry roughness threshold by comparing the roughness sensing value transmitted from the photographing mode setting unit 200 with the photographing mode being the night mode, The controller 200 determines that the camera photographing mode has entered the daytime mode and continues the nighttime mode if the transmitted illumination intensity value is smaller than the weekly entry roughness threshold value.

The night entry roughness threshold value is lower than the weekly entry roughness threshold value, and it is generally preferable to set the roughness value of about 5 lux to the threshold value. When the photographing mode setting unit 200 determines that the illumination sensing value is lower than the night entry illumination threshold by comparing the illumination sensing value transmitted from the photographing mode setting unit 200 with the night entry illumination threshold, It is determined that the camera shooting mode has entered the night mode, and the night mode is maintained if the transmitted illumination intensity value is smaller than the threshold value of the night approaching illumination.

The inter-day maximum illumination threshold value is a maximum illumination value that the infrared LED 10 mounted on the periphery of the camera lens can emit. When the illumination sensing value transmitted from the shooting mode setting unit 200 exceeds the inter-day maximum illumination intensity threshold The sensing value determination unit 400 determines that the current state is switched to the daytime mode without determining whether the sensing value is valid.

The infrared LED operation unit 300 controls the blinking operation of the infrared LED 10 when the photographing mode is switched by the day / night mode determined by the photographing mode setting unit 200. [ That is, when it is determined that the shooting mode determined by the shooting mode setting unit 200 enters the night mode in the daytime mode, the infrared LED operation unit 300 generates a control command so that the infrared LED 10 is turned on, The infrared LED operation unit 300 generates a control command so that the infrared LED 10 is turned off when it is determined that the shooting mode determined by the shooting mode setting unit 200 enters the daytime mode in the mode state.

The sensing value determination unit 400 determines whether or not the light emitted from the infrared LED 10 influences the illumination sensing value detected by the illumination sensing unit 100 under the control of the infrared LED operation unit 300 do. This is because the illuminance sensing unit 100 generates light intensity by sensing light of visible wavelength range visible to the eye, but causes the light generated from the infrared LED 10 to pass through the visible light wavelength band The illuminance sensing value can be increased by turning on the infrared LED 10 at the time of entering the night mode. Accordingly, in the present invention, the sensing value determiner 400 is separately provided to determine whether the illuminance sensing value compared at the time of switching to the photograph mode is valid.

That is, when it is recognized that the camera photographing mode is switched, the illuminance sensing value detected in the blinking state of the L infrared LED 10 according to the switched photographing mode exceeds the illumination threshold value and the photographing mode is again switched from night to day mode When the infrared LED 10 is turned on, the infrared LED 10 is flickered in a state before switching to the photographing mode, and the roughness sensing value is re-detected to judge whether the roughness sensing value is valid by re-comparing with the roughness threshold value.

Such a photographing mode validity judgment occurs when the night mode is switched, and when the photographing mode is switched from the daytime mode to the nighttime mode, the infrared LED 10 is turned on to influence the roughness sensing value.

More specifically, when the daytime mode is switched to the first night mode, and the illuminance sensing value detected when the infrared LED 10 is turned on is greater than the threshold value of the weekly entering roughness, and the photographing mode is to be switched to the daytime mode again , The sensing value determination unit 400 determines whether the detected illumination sensing value is valid when the infrared LED 10 is on.

To this end, the infrared LED 10 is turned off again according to the night mode switching, and the illumination sensing value is re-detected in a state where the infrared LED 10 is off, and the weekly entering roughness is again compared with the threshold value. As a result of the comparison, if the re-detected roughness sensing value exceeds the threshold value of the weekly entering roughness, the night mode is switched back to the day mode again. If not, the roughness sensing value exceeding the weekly entering roughness threshold value is newly And the nighttime mode is maintained.

When the photographing mode is switched from the night mode to the week mode, the photographing mode setting unit 200 sets the photographing mode setting unit 200 to set the weekly entering roughness threshold value to the predetermined roughness threshold value from the new roughness threshold value updated by the sensing value determining unit 400 Reset to the threshold value.

Hereinafter, a real-time adaptive camera shooting mode setting control method according to the present invention will be described in detail.

FIG. 3 is a view showing an example of a photographing mode determination method according to a day / night mode conversion illumination threshold value, FIG. 4 is a diagram illustrating an example of a photographing mode determining method according to an embodiment of the present invention, FIG. 10 is a flowchart showing a detailed procedure for judging the switching validity. FIG.

The method for controlling the setting of the real-time adaptive camera shooting mode according to the present invention may include an illuminance detection step S210, a shooting mode determination step S220, an infrared LED operation step S230, ).

In the illuminance detection step S210, the illuminance of the ambient light received by the camera lens is detected through the illuminance sensor installed on one side of the camera lens to generate the illuminance sensing value.

In the photographing mode determination step S220, the detected illuminance sensing value is compared with a predetermined nighttime mode conversion illumination threshold value to determine whether to switch to the day or night photography mode or to maintain the current state.

3, the day / night mode conversion illumination threshold value includes a daytime entering roughness threshold, a night entering roughness threshold, and a weekly entering maximum roughness threshold, and the roughness sensing value is a weekly entering roughness threshold (Tday), it is determined that the mode is entered into the daytime mode. If the illumination sensing value is less than the night entrance roughness threshold value (Tnight), it is determined that the mode enters the nighttime mode. If the illumination sensing value exceeds the weekly entering maximum illumination threshold value (Tdmax), it is recognized that the photographer enters the unconditioned day mode without going through the photographing mode conversion validity determination step. If the illuminance sensing value does not deviate from the threshold value in the conventional photographing mode, the conventional mode is maintained.

In the infrared LED driving step S230, when the photographing mode is to be switched in the photographing mode determining step S220, the infrared LED is blinked based on the photographing mode. More specifically, the infrared LED is turned on when entering the night mode from the weekly mode, and the infrared LED is turned off when entering the day mode from the night mode.

In the photographing mode switching validity determination step S240, in order to determine whether the light generated by the blinking of the infrared LED affects the illumination sensing value, the infrared LED is set to the blinking state before the photographing mode changeover, Value and the day / night mode conversion illumination threshold value to judge whether the photographing mode switching is effective. As a result, when the photographing mode is changed from the night mode to the daytime mode, . That is, when entering the night mode, the infrared LED is turned on, and the illuminance sensor mistakenly recognizes the infrared light, and the detected illuminance sensing value exceeds the weekly entering roughness threshold value Tday.

According to the present invention, it is judged whether or not the photographing mode change is effective according to such a defect.

Referring to FIGS. 3 and 4, when the photographing mode is changed from the day mode to the first night mode (S410), the infrared LED is turned on (S420). That is, the illuminance value is sensed as the value of the point (a) in FIG. 3, and the night mode is entered.

Then, in a state in which the infrared LED is lit, the illumination sensing value is continuously detected to compare the illumination sensing value with the daytime entering illumination threshold (S430).

If the roughness sensing value does not exceed the weekly entry roughness threshold, the roughness sensing value is detected again and the weekly roughness threshold is repeatedly compared with the threshold value.

If the illuminance sensing value exceeds the threshold value of the inter-day entering roughness, the infrared ray LED is turned off first without switching the photographing mode to the daytime mode (S440). That is, in FIG. 3, it is considered whether the roughness threshold value Tday1 corresponds to the point (b) to change to the daytime mode.

Then, in a state where the infrared LED is off, the illumination sensing value is re-detected (S450). Then, the re-detected roughness sensing value and the inter-day entering roughness threshold value are compared again (S460).

As a result of the re-comparison, if it is determined that the re-detected roughness sensing value exceeds the weekly entry roughness threshold, the photographing mode is changed from the night mode to the day mode again to determine that the previously detected roughness sensing value is valid (S470) .

However, if it is determined that the re-detected roughness sensing value does not exceed the weekly entering roughness threshold value, that is, if the roughness sensing value of the point (c) It is recognized that the sensing value Tday1 is influenced by the infrared LED and the roughness sensing value Tday1 detected above the threshold value of the weekly entering roughness is updated to the new weekly entering roughness threshold in step S480.

Then, the later-detected roughness sensing value is compared with the new weekly entering roughness threshold value to check the photographing mode. When the mode is switched by re-entering into the day mode and comparing with the future roughness sensing value and the new weekly entering roughness threshold, the weekly entering roughness threshold is updated from the new roughness threshold value Tday1 to the preset roughness threshold value Tday ). This causes resetting of the initial threshold value to the possibility that the updated illumination threshold value may be repeatedly higher.

If the illumination sensing value exceeds the weekly entry maximum illumination threshold value Tdmax in the photographing mode determination step S220, it is determined that the photographing mode has been switched to the daytime mode without going through the photographing mode change validity determination step S240 .

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it is possible to make various modifications and variations without departing from the spirit and scope of the invention. Accordingly, the scope of the appended claims should include all such modifications and changes as fall within the scope of the present invention.

100: illuminance sensing unit 200: photographing mode setting unit
300: Infrared LED operating part 400: Sensing value judging part
10: Infrared LED

Claims (8)

A daylight shooting mode setting method of a camera for outputting infrared light to an object to be shot through an infrared LED according to a shooting mode,
Detecting illuminance of ambient light received by the camera lens through an illuminance sensor installed on one side of the camera lens;
Determining whether to maintain the current state or whether to switch to a day or night shooting mode by comparing the illumination sensing value detected through the illuminance sensor with a preset night and day mode conversion illumination threshold value;
Blinking the infrared LED according to a photographing mode when the photographing mode is switched by comparing the illuminance sensing value with a preset night and day mode conversion illumination threshold value;
The infrared LED is set to a blinking state before the photographing mode is switched to determine whether or not the light generated by the blinking of the infrared LED affects the illuminance sensing value, Judging whether the photographing mode switching is effective by comparing with the threshold value; Wherein the camera mode setting control method comprises:
The method according to claim 1,
Wherein the daylight-source mode conversion roughness threshold value includes a daytime roughness threshold value and a nighttime roughness threshold value having a constant roughness value lower than the weekly entry roughness threshold value,
If the illuminance sensing value detected by the illuminance sensor is greater than the threshold value of the daylight entry illuminance, it is determined that the daylight-saving mode is entered. If the illuminance sensing value detected by the illuminance sensor is lower than the night entry illuminance threshold, Mode, and determines whether to keep the current mode or to switch the mode.
3. The method of claim 2,
The step of blinking the infrared LED according to the photographing mode
When the camera photographing mode is switched from the night mode to the week mode, the infrared LED is turned off,
And when the camera photographing mode is switched from the day mode to the night mode, the infrared LED is turned on.
The method of claim 3,
When the first nighttime mode is switched in the daytime mode and the infrared LED is turned on and the detected illumination intensity value exceeds the weekly entering roughness threshold value and the photographing mode is to be switched back to the daytime mode,
Turning off the infrared LED turned on according to the night mode switching;
Redetecting the illuminance sensing value when the infrared LED is off;
Comparing the re-detected roughness sensing value with a weekly entry roughness threshold;
And switching back from the night mode to the daytime mode when the re-detected roughness sensing value exceeds the daytime entering roughness threshold value; Wherein the camera mode setting control method comprises:
The method of claim 3,
When the first nighttime mode is switched in the daytime mode and the infrared LED is turned on and the detected illumination intensity value exceeds the weekly entering roughness threshold value and the photographing mode is to be switched back to the daytime mode,
Turning off the infrared LED turned on according to the night mode switching;
Redetecting the illuminance sensing value when the infrared LED is off;
Comparing the re-detected roughness sensing value with a weekly entry roughness threshold;
Updating the roughness sensing value exceeding the inter-day entering roughness threshold to a new inter-day roughing threshold value and maintaining the night mode when the re-detected roughness sensing value does not exceed the inter-day roughness threshold value; Wherein the camera mode setting control method comprises:
6. The method of claim 5,
Wherein when the camera photographing mode is switched from the night mode to the daytime mode, the weekly entering roughness threshold value is reset to a predetermined roughness threshold value from the updated new roughness threshold value. Way.
6. The method of claim 5,
Wherein the day / night mode conversion illumination threshold value further includes a weekly entering maximum illumination intensity threshold higher than a maximum illumination value that the infrared LED mounted on the periphery of the camera lens can emit,
And determining that the day mode is entered when the illumination sensing value exceeds the weekly minimum entry maximum illumination threshold value.
A daylight shooting mode setting controller of a camera for outputting infrared light to an object to be shot through an infrared LED according to a shooting mode,
An illuminance sensing unit installed at one side of the camera lens and detecting illuminance of ambient light received by the camera lens,
A photographing mode setting unit for controlling to switch and maintain the day or night photographing mode by comparing the roughness sensing value detected by the roughness sensing unit with the predetermined nighttime mode conversion roughness threshold value and the roughness sensing value,
An infrared LED operating unit for controlling the blinking of the infrared LED when the photographing mode is switched by the photographing mode setting unit,
And a sensing value determiner for determining whether or not the light emitted from the infrared LED is influenced by the control of the infrared LED operation unit and the roughness sensing value detected by the roughness sensing unit,
The sensing value determining unit generates an off control command to turn off the infrared LED to the infrared LED operating unit and transmits the off control command to the infrared LED operating unit, The sensing value is sensed in the illuminance sensing unit and the sensed illuminance value is transmitted to the sensing value determination unit. When the illuminance sensing value is within the preset illumination threshold value, the night illumination mode is maintained. Wherein the mode switching control command is sent to the photographing mode setting unit to change the mode to the daytime photographing mode again when the value is out of the predetermined illuminance threshold value.
KR1020150039890A 2015-03-23 2015-03-23 Apparatus and method for controlling photograph mode in camera KR101690499B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102273208B1 (en) * 2021-02-01 2021-07-02 오병후 Rear camera system of amphibious armored vehicles

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KR19980083626A (en) * 1997-05-16 1998-12-05 배순훈 Setting method of illuminance conversion range
KR20060084941A (en) * 2005-01-21 2006-07-26 주식회사 에스원 Image monitoring system and method for monitoring image
KR20090127648A (en) * 2008-06-09 2009-12-14 주식회사 넥스캄 Apparatus and method for operating monitoring camera using according to external environmental conditions
KR101463503B1 (en) * 2013-07-02 2014-11-19 주식회사 유니룩스 On-off control method of step sensor lamp

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980083626A (en) * 1997-05-16 1998-12-05 배순훈 Setting method of illuminance conversion range
KR20060084941A (en) * 2005-01-21 2006-07-26 주식회사 에스원 Image monitoring system and method for monitoring image
KR20090127648A (en) * 2008-06-09 2009-12-14 주식회사 넥스캄 Apparatus and method for operating monitoring camera using according to external environmental conditions
KR101463503B1 (en) * 2013-07-02 2014-11-19 주식회사 유니룩스 On-off control method of step sensor lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102273208B1 (en) * 2021-02-01 2021-07-02 오병후 Rear camera system of amphibious armored vehicles

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