WO2016047886A1

WO2016047886A1 - Portable image magnifying device having pen type camera

Info

Publication number: WO2016047886A1
Application number: PCT/KR2015/005138
Authority: WO
Inventors: 박경민
Original assignee: (주)씨앤피
Priority date: 2014-09-25
Filing date: 2015-05-22
Publication date: 2016-03-31
Also published as: KR101589707B1

Abstract

The present invention relates to a portable image magnifying device having a pen type camera and, more specifically, to a portable image magnifying device having a pen type camera, in which a pen type camera device is provided such that two images of the pen type camera and a back surface camera provided at a back surface of a body are simultaneously displayed on an image display unit so as to compensate for the eyesight of the visually handicapped and the old and infirm. A portable image magnifying device having a pen type camera, according to a preferred embodiment of the present invention, comprises: a pen type camera unit (200) comprising a pen type camera body (212) having a handle holdable by the hand and a camera device inserted thereinto, a camera sensor (211) formed at a front end part of the pen type camera body so as to obtain an image of a subject, and a pen type camera USB cable (214) for transmitting the image obtained by the camera sensor unit to a body of the image magnifying device; a body unit (100); a back surface camera unit (110); an image display unit (120); a pen type camera fixing unit (171); and a support (160).

Description

Portable video magnifier with pen type camera

The present invention relates to a portable image magnification device equipped with a pen-type camera, and more particularly, in order to supplement vision of the blind and the elderly, a pen-type camera device is installed, and the rear surface is installed on the back of the pen-type camera and the body. The present invention relates to a portable image magnification device equipped with a pen type camera for simultaneously outputting two images of a camera to an image display unit.

In general, the visually impaired is unable to distinguish the contrast due to the loss of vision and the wide angle due to various eye diseases. However, the visually impaired person has severe amblyopia enough to know the contrast and know the movement of the hand in front of the eyes. Humans can be included in the visually impaired, and low vision people, who are the highest proportion of the visually impaired, cause weakness of the lens, iris, retina, and optic nerve system. It is a state.

The image magnification device is a device that magnifies and displays images of difficult-to-see subjects such as small letters, books, business cards, checks, and money to supplement the vision of the low-vision and the elderly. Image magnification devices are generally equipped with a battery that can be used in the place where the power can not be connected, it is used when the low vision or the elderly to carry a reading, or check or check the currency precisely.

However, the general image magnification device occupies a large volume and thus is not easy to move the focus like the actual eye movement, and does not provide convenience of displaying only a specific near subject image.

Therefore, there is a need for a portable image magnification device technology equipped with a pen-type camera that supplements the above problems for low vision and the elderly.

The present invention is to solve the above problems, the object of the present invention is not only easy portability, but also overcomes the limitations of a fixed general portable magnifier, so that the user can easily move the focus like the eye movement. The present invention provides a portable image magnification device equipped with a pen-type camera capable of focusing and outputting a desired specific near field image to an image display unit.

The present invention is to achieve the above object, according to a preferred embodiment of the present invention, a portable image magnification device equipped with a pen-type camera is formed with a handle that can be held by a hand and a pen type with a camera device inserted therein The camera body 212, the camera sensor 211 is formed at the front end of the pen-type camera body to obtain an image of the subject, and the pen type to transmit the image obtained from the camera sensor unit to the body of the image magnification device A pen type camera unit 200 made of a camera USB cable 214; A body part 100 processing an image transmitted from the pen type camera unit or an image obtained from a rear camera by an image processing unit installed therein, and supporting the image enlarger as a whole; It is installed on the rear of the body portion 100, the rear camera unit 110 for acquiring an image of the subject side; An image display unit 120 installed on the front of the body unit 100 and receiving and outputting an image of the rear camera unit 110 or an image of the pen type camera unit 200; A pen type camera fixing part 171 installed at an upper end of the body part 100 to fix the pen type camera body 122; And a pedestal 160 installed at a rear surface of the body part 100 to adjust an angle.

As described above, the portable image magnification device equipped with the pen-type camera of the present invention not only enlarges and displays an image obtained from the rear camera portion, but also is equipped with a pen-type camera so that the actual eyes of the blind and the elderly are visually impaired. By moving the focal point to obtain a near image of the subject and providing an enlarged image, the lens can be easily moved, and the image can be easily used by the visually impaired and the elderly through the enlarged image and the clear near focus of the specific image. have. In particular, there is an advantage that the operation is convenient by providing a convenient and compact interface.

In addition, the visually impaired and the elderly are inconvenient to move a bulky magnifier to enlarge a specific image when using a normal magnifying glass, it is easy to move through the pen-type camera unit of the present invention, the function of the enlargement more clearly Because it can be quickly recognized, there is an effect that can be useful for the blind and the elderly.

1 is a schematic diagram of a portable image magnification apparatus equipped with a pen type camera viewed from the front, according to a preferred embodiment of the present invention.

2 is a schematic diagram of a portable image magnification apparatus equipped with a pen type camera viewed from the rear, according to a preferred embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, a portable image magnification device equipped with a pen-type camera of the present invention will be described in more detail.

1 is a front view of a portable image magnification apparatus equipped with a pen-type camera of the present invention, and FIG. 2 is a rear view.

1 and 2, the present invention enlarges and displays an image of a rear camera unit 110 and a pen-type camera unit 200 installed on a rear side of a body unit 100 through an image display unit on a front surface thereof. It is a portable video magnification device.

First, the pen type camera unit 200 includes a pen type camera body 212 having a pen shape, a camera sensor 211 for acquiring an image, and a USB cable 214 for transmitting it to an image processing unit in the body portion. Is done.

The pen type camera body 212 has a pen shape such as a pencil or a ballpoint pen, and various circuits including a camera sensor are embedded therein.

The camera sensor 211 for acquiring an image includes a lens and a CMOS sensor. The lens acquires an image of a subject, and the CMOS sensor converts a physical image signal obtained through the lens into an electrical signal. Therefore, the image acquired by the CMOS sensor is converted into image data. For example, the image may be made with image data in a format such as SVGA (800 * 600), YUV422, 30f / s, Progressive, etc. through a CMOS sensor.

Although not shown, LED lighting is installed at one side of the pen-type camera body 212 to obtain a clearer image in a dark place. That is, it is installed around the camera sensor 211. This is for the camera sensor 211 to brighten the subject so that the image of the subject is easily acquired. LED lighting can be applied to a conventional light emitting diode device. In this case, the LED lighting is operated by the control of the image processor to operate only when the subject is in close-up. Therefore, it is possible to reduce the power consumption and increase the limited use time which is a disadvantage of the portable device. A plurality of LED lights are configured, and the number of LED lights operated according to the distance of the subject is configured to be added or subtracted.

The image acquired by the pen type camera sensor 211 is transmitted to the image processing unit in the body portion 100 through a USB cable 214 connected to the pen type body 212.

Since the pen type camera unit 200 may move the pen type camera body, the pen type camera unit 200 may acquire a subject at a desired position through the camera lens. This can be done by enlarging the image through the image display unit installed on the body even after making a check or signing a document, signing an answer sheet, filling out various test paper answers, and writing a document or testing such as an OX mark. The advantage is that you can. Therefore, there is an advantage that can help the elderly, patients with farsightedness, myopia.

The pen type camera body 212 is fixed to the pen type camera fixing part 171 formed on the top of the body portion 100. Pen-type camera fixing part 171 is a conventional shape that can be detachable by elastic as shown in the form of the ball pen, pencil and the like easy removable.

The body part 100 is a part which processes an image transmitted from the pen type camera unit or an image obtained from a rear camera by an image processing unit installed therein, and supports the image enlarger as a whole.

Installed on the rear side of the body portion 100, the rear camera unit 110 for image acquisition of the subject is basically composed of a lens and a CMOS sensor. The lens acquires an image of a subject, and the CMOS sensor converts a physical image signal obtained through the lens into an electrical signal. Therefore, the image acquired by the CMOS sensor is converted into image data. For example, the image may be made with image data in a format such as SVGA (800 * 600), YUV422, 30f / s, Progressive, etc. through a CMOS sensor.

The image acquired by the rear camera unit 110 and / or the image obtained by the pen type camera unit 200 is processed through an image processing unit in the body portion and then displayed through the image display unit 120 installed in the front side. .

The image processor (not shown) is installed in the form of a circuit inside the body portion 100. The image processing unit is a central processing module that controls the image sensor module, the distance sensor unit, the auto focus driving driver, the image processing module, and the like. The image processor includes an image acquisition module, a noise filter, an enlargement filter, a color filter, a threshold calculator, and a binarizer.

The image acquisition module stores image data transmitted from the pen type camera unit and the rear camera unit in a memory, and extracts a histogram for determining a threshold required for the binarized image to determine the threshold value. The noise filter removes Gaussian noise and salt & pepper noise, which are general image noises, on the image data. The magnification filter serves to enlarge the image data in accordance with the LCD resolution of the image display unit 120, and to enlarge the image data through bilinear interpolation. The color filter receives user input values for image data and applies brightness and high contrast. The threshold calculator extracts a maximum pixel luminance value and a minimum pixel luminance value through the luminance signal of the image data, and calculates a threshold value based on the maximum pixel luminance value and the minimum pixel luminance value. The binarization unit generates a binarized image of the image data based on a threshold. That is, the binarization unit may implement the color of the pixel as the background color when the luminance value of the pixel is less than the threshold value, and implement the color of the pixel as the text color when the luminance value of the pixel is greater than the threshold value.

The image information processed by the image processor is displayed by the image display unit 120. That is, the image display unit 120 serves to output the finally determined image data through the binarization unit. Therefore, the image display unit 120 is configured to be exposed on the front of the body portion 100, a conventional LCD panel is applied.

In front of the body portion, the image selection operation portion 144 provided on the side of the image display portion selects an image displayed on the image display portion from an image obtained from a camera, that is, an image obtained from a pen type camera portion and / or an image obtained from a rear camera portion. For the part. The image selection operation unit 144 may operate to select one image selected from an image obtained from a pen type camera unit, an image obtained from a rear camera unit, or both images.

In front of the body, an image enlargement operation unit 141 and an image reduction operation unit 142 are provided to reduce or enlarge an image displayed on the image display unit. As illustrated, the image enlargement operation unit 141 and the image reduction operation unit 142 may be installed respectively, but may be formed as one operation unit so that the image enlargement operation unit 141 and the image reduction operation unit 142 may be reduced or enlarged according to a selection direction.

The audio output unit recognizes a character from an image obtained from a pen type camera unit or a rear camera unit by an image processor, converts the character into a sound through a sound generator in the image processor, and then processes the sound. That is, the audio output unit is a portion for outputting sound that can be recognized.

The rear LED lighting unit 130 is installed around the rear camera unit 110, so that the rear camera unit 110 brightens the subject so that the image of the subject can be easily acquired. LED lighting can be applied to a conventional light emitting diode device. In this case, the LED lighting is operated by the control of the image processor to operate only when the subject is in close-up. Therefore, it is possible to reduce the power consumption and increase the limited use time which is a disadvantage of the portable device. A plurality of LED lights are configured, and the number of LED lights operated according to the distance of the subject is configured to be added or subtracted.

The pedestal 160 of the rear has a structure that is rotatable by a hinge and foldable, and is a part for allowing the body to stand at an angle.

As described above, the portable image magnification device equipped with the pen-type camera of the present invention includes a pen-type camera unit for providing a fluid image, such as a movement of the focal point of the eye, to the visually impaired and the elderly. In addition to providing a near-field image of a subject by moving the focus like a real eye movement, the visually-impaired and clear near-focus of a specific image has an advantage of being easily used by the blind and the elderly. In particular, there is an advantage that the operation is convenient by providing a convenient and compact interface.

Those skilled in the art will appreciate that the present invention can be embodied in other specific forms without changing the technical spirit or essential features of the present invention. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the claims and their equivalents should be construed as being included in the scope of the present invention.

The present invention relates to a portable image magnification device equipped with a pen-type camera, and more particularly, in order to supplement vision of the blind and the elderly, a pen-type camera device is installed, and the rear surface is installed on the back of the pen-type camera and the body. The present invention can be used in the field of a portable image magnification device equipped with a pen type camera that simultaneously outputs two images of a camera to an image display unit.

Claims

A handle that can be held by a hand is formed and a pen type camera body 212 having a camera device inserted therein, a camera sensor 211 formed at a front end of the pen type camera body to obtain an image of a subject, A pen-type camera unit 200 made of a pen-type camera USB cable 214 for transmitting the image obtained by the camera sensor unit to the body of the image magnifying apparatus;

A body part 100 processing an image transmitted from the pen type camera unit or an image obtained from a rear camera by an image processing unit installed therein, and supporting the image enlarger as a whole;

It is installed on the rear of the body portion 100, the rear camera unit 110 for acquiring an image of the subject side;

An image display unit 120 installed on the front of the body unit 100 and receiving and outputting an image of the rear camera unit 110 or an image of the pen type camera unit 200;

A pen type camera fixing part 171 installed at an upper end of the body part 100 to fix the pen type camera body 122; And

Is installed on the rear of the body portion 100, the angle adjustable pedestal (160); Portable image magnification device equipped with a pen-type camera comprising a.
The method of claim 1,

The image magnification device is a portable image magnification device equipped with a pen type camera, characterized in that the user directly inputs the image of the subject at a desired position by moving the pen type camera body 212 by hand.
The method of claim 1,

The image of the rear camera unit 110 and the pen type camera unit 200 output to the image display unit 120,

The image processing unit provided in the body portion 100 is capable of outputting one image or two images at the same time, the image is output at the same time portable with a pen type camera characterized in that the enlargement or reduction is possible Video magnification device.
The method of claim 1,

The video magnification device,

And a pen type camera fixing unit (171) for fixing the pen type camera body (212) on the top of the body unit (100).