KR101799599B1 - Photographing apparatus and method for improving controlling of view finder - Google Patents

Abstract

The present invention relates to an imaging apparatus and method for improving operability of a viewfinder.
The present invention provides an imaging apparatus capable of improving the operability for this purpose and improving the degree of freedom in selecting the type, amount, and display method of the image to be displayed on the EVF, An image pickup device for outputting an image signal, and a plurality of finders having an eyepiece section and displaying an image based on the image signal, operability of the finder can be improved.

Description

TECHNICAL FIELD [0001] The present invention relates to an image capturing apparatus and method for improving operability of a viewfinder,

The present invention relates to an image pickup apparatus having an image pickup means for picking up an image of a subject and outputting an image signal, and a finder having an eyepiece and displaying an image based on the image signal. More particularly, the present invention relates to an image pickup apparatus for improving operability of a viewfinder, It is about the method.

Conventional imaging apparatuses include imaging means for imaging an object and outputting an image signal, an eyepiece electronic viewfinder (hereinafter also referred to as an EVF) and an incoherent type liquid crystal display monitor Quot;).

Such an image pickup apparatus displays an image on an LCD, enlarges and displays a part of the image on the EVF, confirms the composition with an even-numbered image on the LCD, or confirms whether or not the image is focused on the EVF enlarged image.

In order to confirm the images of the LCD and the EVF in this way, it is necessary to close or distant the face from the camera, so that the operability is poor.

Further, since EVF is used as an auxiliary role of LCD, there is a problem that it can not be fully utilized.

Therefore, the present invention provides an imaging apparatus and method for improving the operability of the EVF to solve the above problems.

According to an aspect of the present invention, there is provided an imaging apparatus for improving operability of a viewfinder, comprising: an imaging device for imaging an object and outputting an image signal; And a finder.

According to another aspect of the present invention, there is provided an imaging apparatus for improving operability of a viewfinder, comprising: imaging means provided in an imaging apparatus main body for imaging an object to output an image signal; Wherein when the finder is detachable from the image capturing apparatus main body and the finder is detached from the image capturing apparatus main body, the finder performs wireless communication with the image capturing apparatus main body, Is received.

According to another aspect of the present invention, there is provided an imaging method for improving operability of a viewfinder, comprising the steps of capturing an object and outputting an image signal, and displaying an image through a plurality of finders based on the image signal .

According to another aspect of the present invention, there is provided an imaging method for improving operability of a viewfinder, comprising the steps of: capturing an image of a subject and outputting an image signal; When the finder is separated from the main body of the image sensing apparatus, performing a wireless communication with the main body of the image sensing apparatus and receiving the image signal.

The present invention can improve operability by allowing a plurality of viewfinder to be detachable, and can increase the degree of freedom in selecting the type, amount, and display method of the image to be displayed on the EVF, and can provide a new use without convention.

1 is a rear view of an image pickup apparatus according to an embodiment of the present invention,
2 is a schematic block diagram showing an electrical configuration of an image pickup apparatus according to an embodiment of the present invention;
3 is a view showing a state in which one side EVF of an image pickup apparatus according to an embodiment of the present invention is separated;
4 is a view showing an operation area provided in the LCD of the image pickup apparatus according to the embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description and drawings, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention unnecessarily obscure.

The image capturing apparatus 100 has a rectangular parallelepiped image capturing apparatus main body 110. An imaging optical system 10 is provided on the front surface of the imaging apparatus main body 110 and an imaging element 20 is accommodated in the imaging apparatus main body 110.

1 is a rear view of an image pickup apparatus according to an embodiment of the present invention.

1, a plurality of first EVFs 30, a second EVF 31, an LCD 40, and a first operation unit 50 are provided on the rear surface of the image capturing apparatus main body 110. As shown in Fig.

Fig. 2 shows a configuration diagram of an image pickup apparatus according to an embodiment of the present invention.

The imaging optical system 10 includes a plurality of lenses for imaging a subject image on an imaging device 20 to be described later.

The image pickup element 20 forms an image of an object formed by the imaging optical system 10 on a light receiving surface to image an object and outputs an image signal. The image pickup element 20 may be a CCD (Charge-Coupled Device) (Complementary Metal Semiconductor) image sensor.

The plurality of first EVF 30 and second EVF 31 (electronic view finder) are provided with a first eyepiece portion 30a and a second eyepiece portion 31a which the image capturing person rides on, And a first display screen 30b and a second display screen 31b for displaying an image.

The first eyepiece portion 30a and the second eyepiece portion 31a protrude from the periphery of the first display screen 30b and the second display screen 31b in order to prevent intrusion of ambient light. And an eyecup made of an elastic member.

The first eyepiece portion 30a and the second eyepiece portion 31a are provided with a eyepiece detecting means for detecting that the image capturing person rides on the eyepiece. Here, the first EVF 30 and the second EVF 31 will be described later.

The LCD 40 (liquid crystal display) does not have an eyepiece and displays an image based on an image signal. The screen size of the first EVF 30 and the second EVF 31 is smaller than the screen size of the LCD 40. [

The first operation unit 50 is for the image pickup operator to input various operation commands. As an example of the first operation unit 50, for example, a shutter button for inputting an image pickup operation start command by a photographer, a power button for switching on / off of the power supply, a magnification ratio of optical zoom or digital zoom A zoom button, a mode switching button for switching a still image pickup mode, a moving image pickup mode, and an image playback mode, a menu button for changing various settings, and a tilt button for tilting the imaging optical system 10 to the subject . The first operation section 50 may be provided on the upper surface as well as the back surface of the image capturing apparatus main body 110.

Here, the electrical configuration of the image pickup apparatus 100 will be described with reference to Fig.

In the imaging apparatus 100, an object is imaged on an imaging element 20 such as a CCD by an imaging optical system 10 such as a lens. The image pickup device 20 picks up an image of a subject and outputs an image signal to the signal processing unit 60.

The signal processing unit 60 converts an analog signal into a digital signal, and an image (Bayer array original image) converted into a digital signal is stored in a predetermined area of the storage unit 61. The Bayer arrangement original image is converted into an RGB image by the image processing unit 62, or is encoded in a predetermined format such as JEPG format, or various corrections such as white balance correction and gamma correction are performed and recorded on a recording medium such as an SD card (63).

The display unit 70 displays an image.

3 is a view showing a state in which one side EVF of the image pickup apparatus according to the embodiment of the present invention is separated.

In the embodiment of the present invention, as shown in Figs. 1 and 3, the display unit 70 of the image pickup apparatus 100 includes a plurality of first EVFs 30 and a plurality of second EVFs 31. [

The plurality of first EVFs 30 and the second EVFs 31 include a first EVF 30 (in this case, an EVF on the left side toward the back side of the image capturing apparatus main body 110) detachable from the image capturing apparatus main body 110, And a second EVF 31 (here, EVF on the right side toward the back side of the imaging apparatus main body 110) fixed to the imaging apparatus main body 110.

The state in which the first EVF 30 is attached to the image capturing apparatus main body 110 is a state in which the first display screen 30b of the first EVF 30 and the second display screen 30b of the second EVF 31 and the horizontal height of the second display screen 31b And the positional relationship between the first EVF 30 and the second EVF 31 can be changed.

Specifically, one or a plurality of concave portions (not shown, here, concave grooves) are formed on the back surface of the image capturing apparatus main body 110. The convex portions provided in the first EVF 30 are fitted in the concave portions, The attachment position of the first EVF 30 is connected to the apparatus main body 110 so as to be changeable (slidable here). Thereby, since the distance between the first EVF 30 and the second EVF 31 can be matched with the interval between the two sides of the image pickup device, the image pickup device can simultaneously see each of the first EVF 30 and the second EVF 31 .

The first EVF 30 is configured to be able to receive image signals by performing wireless communication with the image capturing apparatus main body 110 in a state in which the first EVF 30 is separated from the image capturing apparatus main body 110. [

Specifically, the first EVF 30 and the image capturing apparatus main body 110 are each provided with a transmission / reception section. The transmission / reception section of the first EVF 30 receives electric signals transmitted from the transmission / reception section of the image capturing apparatus main body 110, And displays an image on the second display screen 30b of the first EVF 30. [

Further, the first EVF 30 is provided with a second operation section for inputting various operation commands by the image capturing person, and the operation of the image capturing apparatus main body 110 can be controlled through each transceiving section when the image capturing person presses the second operation section. The second operation unit may include, for example, a shutter button, a power button, a zoom button, a mode switching button, a menu button, a tilt button, and the like as the first operation unit 50.

The display unit 70 of the image capturing apparatus 100 includes a plurality of first EVFs 30 and a second EVF 31 and a display control unit 71 for controlling an image displayed by the LCD 40. [

The display control section 71 displays the same image or another image in the first EVF 30 and the second EVF 31. [ For example, the display control unit 71 can display related information related to an image, a zoom image, an image before and after the correction, an image that has been changed in setting, an image captured by the bracket function, and a moving image. Each case will be described below.

First, the case of displaying related information will be described as follows.

The display control unit 71 displays an image on the first EVF 30 on one side and displays related information on the second EVF 31 on the other side. At this time, the second EVF 31 on the other side may display only the related information or overlay related information on the image (overlay display).

Here, the related information includes a histogram, an imaging date and time, a resolution, a shutter speed, an aperture (F value), an ISO sensitivity, a focal distance, and the like. The imaging device information about the imaging device 100 such as the remaining capacity of the recording medium 63 of the second EVF 31 on the other side, battery information, and the like may be displayed.

 Further, in the embodiment of the present invention, the EVF on one side is denoted by the first EVF 30, but the EVF on one side may be regarded as the second EVF 31 and the EVF on the other side may be regarded as the first EVF 30 do. The same is applied to the following.

Next, a case of displaying a zoom image will be described below.

The display control section 71 displays the overall image (here, an equal image) for confirming the composition on one side of the first EVF 30 and displays the zoom image on the other side of the second EVF 31 for focus confirmation. Thereby, the image pickup device can confirm whether or not the focus is in focus.

Next, a case of displaying an image before and after correction will be described below.

The display control section 71 displays an original image represented by the image signal on the first EVF 30 on one side and a corrected image on which the original image is corrected on the second EVF 31 on the other side. Thereby, the image pickup person can confirm the effect after the image quality adjustment and the image after the image edition. At this time, the display control unit 71 displays the corrected image such as brightness correction, contrast correction, color correction such as color correction or saturation correction, trimming correction, and the like. Here, the original image may be a live view image displayed on the basis of the image signal outputted by the image pickup device 20 at regular intervals in the image pickup waiting state, or a captured image after being captured. Further, the original image may be a primary image that has not been subjected to correction at all, or a secondary image that has been corrected by the primary image. In this case, a tertiary image obtained by further correcting the secondary image is displayed on the second EVF 31 on the other side.

Next, a case of displaying an image whose setting has been changed will be described below.

The display control unit 71 displays a live view image on one side of the first EVF 30 and sequentially displays images after various settings while changing the setting relating to the image capture on the second EVF 31 on the other side. Thereby, when a favorite image is displayed on the second EVF 31 on the other side of the image pickup person, the setting is reflected and can be picked up by pressing the shutter button.

Next, a case where an image picked up by the bracket function is displayed will be described below.

The imaging apparatus 100 at the time of imaging calculates a set value of exposure or the like in accordance with the program stored in the storage unit and captures an image with the calculated set value. At this time, the image capturing apparatus 100 also captures an image with a change setting value (for example, a value higher or lower than the calculated setting value) that is different from the calculated set value (imaging with the bracket function).

The display control unit 71 displays each image having a different set value such as exposure on each of the first EVF 30 and the second EVF 31. [ Here, the bracket may include an exposure bracket for changing the degree of exposure, a flash bracket for changing the degree of the flash, a focus bracket for changing the focus position, a white balance bracket for changing the white balance, and the like.

Finally, a case of displaying a moving image will be described.

The display control section 71 displays a live view image or an image during moving image capture on the first EVF 30 on one side and displays the reproduced image on the second EVF 31 on the other side. Here, the display control unit 71 can display a moving image reproduced by delaying by a predetermined time (time shift playback) or display a still image every predetermined time.

If the first EVF 30 is turned off, the display control unit 71 can reduce the frame rate of the image displayed on the first EVF 30 and suppress power consumption.

The eyepiece detecting means of the first EVF 30 on one side detects the eyepiece and the display control section 71 displays the image on the first eyepiece EVF 30 (Sleep) the display of the second EVF 31 on the other side which is not ridden. The display control unit 71 controls the first EVF 30 and the second EVF 31 when the first EVF 30 is viewed and the second EVF 31 of the image capturing apparatus main body 110 is not being viewed. 2 Turns off the display of the LCD 40 in addition to ON / OFF of the display of the EVF 31.

4 is a diagram illustrating an operation area of the LCD of the imaging apparatus according to the embodiment of the present invention.

As shown in Fig. 4, the LCD 40 has position sensing means for sensing the position where the image sensor contacts, and has a function as a touch panel type input device. The LCD 40 includes a third operation portion .

The third operation unit may include various buttons and the like that are the same as the first operation unit 50 and the second operation unit.

The display control unit 71 displays the menu on the first EVF 30 and the second EVF 31 when the image pickup person touches the LCD 40 while the first EVF 30 and the second EVF 31 are in a state of being in a state So that the image picker can select their menu by operation with the fingers.

When the image sensor looks into the first EVF 30 and the second EVF 31 while the first EVF 30 is attached to the image capturing apparatus main body 110, A second operation area for operating the second EVF 31 is formed. At this time, the image pickup person touches the respective operation areas to control images and information displayed on the corresponding first EVF 30 and second EVF 31. [

The imaging apparatus 100 of the present embodiment includes a plurality of first EVFs 30 and a plurality of second EVFs 31 for displaying an image with a first eyepiece portion 30a and a second eyepiece portion 31a, By displaying an image on each of the EVF 30 and the second EVF 31, it is possible for the image capturing person to check the displayed image without dropping his / her face from the image capturing apparatus 100, thereby improving operability.

Further, the present invention displays different images in the plurality of first EVFs 30 and the second EVFs 31, thereby enabling the image-taking person to confirm different images simultaneously through the first EVF 30 and the second EVF 31 . Through this, the user can feel the stereoscopic image while simultaneously viewing the parallax images for the right eye and the left eye, thereby providing a new use application that is not available in the past.

On the other hand, according to the present invention, a plurality of people can simultaneously view the same image through the first EVF 30 and the second EVF 31 by displaying the same image on the plurality of first EVF 30 and second EVF 31 have. In this way, when a professional cameraman instructs a student to take a picture, the same image can be simultaneously viewed and instructed, thereby providing a new use purpose that is not conventionally available. In addition, it is possible to increase the degree of freedom in selecting the type, amount, and method of information to be displayed on the first EVF 30 and the second EVF 31.

Further, the present invention is not limited to the above embodiments. For example, in order to capture a stereoscopic image, the imaging device may have two imaging optical systems and two imaging devices corresponding to each imaging optical system. Specifically, when each imaging element outputs a parallax image signal for right eye and left eye, the display control section controls the right and left parallax images to be displayed on the first EVF and the second EVF.

Further, according to the present invention, even if there is only one imaging optical system, the image pickup device is moved so as to pick up an image, so that when the image pickup element outputs parallax image signals for right eye and left eye, the display control unit displays parallax images for right eye and left eye .

In the present invention, there are two EVFs, one EVF is detachable, the attachment position is adjustable (slidable), and the other EVF is fixed. However, the present invention is not limited to this. For example, both EVFs may be detachable, their attachment positions may be adjustably connected, or both EVFs may be fixed. The plurality of EVFs can be attached to and detached from each other, the attaching position can be adjusted, the attaching / detaching is possible, the attaching position is not adjustable (attached to only a predetermined position of the image capturing apparatus main body 1) Or an adjustable, fastening of the fastener.

In the present invention, the number of EVFs is not limited to two, but may be one or three or more. When the EVF is one, the EVF can be attached and detached. When the EVF is detached, the transmitting / receiving unit of the EVF can wirelessly communicate with the transmitting / receiving unit of the image capturing apparatus main body to receive the image signal.

In addition, one or a plurality of EVFs (e.g., two EVFs) may constitute a part of a head-mounted display that is a display device mounted on a head. In addition, a similar surround can be realized by providing a speaker in a plurality of EVFs.

Incidentally, according to the present invention, an EVF separated through a predetermined interface is electrically connected to an external display device such as a smart phone or the like, whereby an image transmitted to the EVF separated from the imaging device main body can be displayed on the external display device. In addition, the present invention is not limited to the above-described embodiments, and a part or all of the above-mentioned various constitutions can be appropriately combined with each other without departing from the gist of the present invention.

10:
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30: 1st EVF
31: 2nd EVF
40: LCD
60: Signal processor
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63: Recording media
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Claims (14)

In the image pickup apparatus,
A plurality of viewfinders for displaying an image based on an image signal,
And a display including an area separable into a plurality of operation areas for operating an image of each of the plurality of viewfinders. The apparatus according to claim 1, wherein the plurality of viewfinders include:
A first viewfinder and a second viewfinder,
Wherein the first viewfinder is attachable to and detachable from the main body of the image capturing apparatus and the second viewfinder moves while the first viewfinder is attached to the main body of the image capturing apparatus. The method according to claim 1,
Further comprising a display control section for controlling an image displayed by said plurality of viewfinders,
And the display control unit controls the plurality of viewfinders to display the same image or another image. The display device according to claim 3,
Wherein when the viewfinder includes a first viewfinder and a second viewfinder, an original image represented by the image signal is displayed on the first viewfinder, and a corrected image obtained by correcting the original image is displayed on the second viewfinder And the image pickup device. The display device according to claim 3,
Wherein when the viewfinder includes a first viewfinder and a second viewfinder, a parallax image for the right eye is displayed on the view first finder and a parallax image for the left eye is displayed on the second viewfinder . 3. The method of claim 2,
Wherein when the first viewfinder is attached to the main body of the image pickup apparatus, the first viewfinder receives the image signal via wireless communication with the main body of the image pickup apparatus. The method according to claim 6,
And the frame rate of the image displayed on the first viewfinder is lowered when the first viewfinder is separated from the main body of the image sensing apparatus. In the imaging method,
A step in which the image pickup means picks up an image of a subject and outputs an image signal,
Displaying an image on a plurality of viewfinders for displaying an image based on the image signal;
And separating an area of the display into a plurality of operation areas to operate an image of each of the plurality of viewfinders. 9. The apparatus according to claim 8, wherein the plurality of viewfinders include:
A first viewfinder and a second viewfinder,
Wherein the first viewfinder is attachable to and detachable from the main body of the image capturing apparatus and the second viewfinder moves while the first viewfinder is attached to the main body of the image capturing apparatus. 9. The method of claim 8,
Further comprising the step of controlling the plurality of viewfinders to display the same image or another image. 11. The method of claim 10,
Wherein when the viewfinder includes a first viewfinder and a second viewfinder, an original image represented by the image signal is displayed on the first viewfinder, and a corrected image obtained by correcting the original image is displayed on the second viewfinder Wherein the step (a) 11. The method of claim 10,
And displaying the right eye parallax image on the first viewfinder and the left eye parallax image on the second viewfinder when the viewfinder includes the first viewfinder and the second viewfinder, . 10. The method of claim 9,
Further comprising the step of receiving the image signal through wireless communication with the main body of the image sensing apparatus in the first viewfinder. 14. The method of claim 13,
Further comprising a step of reducing a frame rate of an image displayed on the first viewfinder when the first viewfinder is separated from the main body of the image sensing apparatus.

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