CN100452837C - Display device and method using iris recognition photo position - Google Patents

Abstract

The invention discloses a device and a method for identifying shooting position by employing iris. An iris identification camera is equipped with mobile communication terminal for shooting user's eyes. The invention is characterized in that when selecting shooting mode, identifying the position of objects to be shot and the position of iris in the iris identification camera, the angle between the object and the iris is displayed; when the object to be shot and the position of iris are on the same line, prompting user current best shooting position and outputting sound to prompt the best shooting conditions which make user can get pictures with best articulation.

Description

Display device and method for identifying shooting position using iris

technical field

The invention belongs to a photographing device and photographing technology of a mobile communication terminal, in particular, a display device and method for identifying a photographing position by using iris recognition to display the best photographing position when photographing is performed by a mobile communication terminal.

Background technique

With the development of mobile communication technology, portable terminals such as mobile phones, personal digital assistants (PDA: Personal Digital Assistant), and notebooks have more and more functions. In particular, a mobile communication terminal equipped with a camera can receive and store still images and moving images. When shooting the above-mentioned still image and the above-mentioned moving image, the user watches the image displayed on the display unit of the above-mentioned mobile communication terminal with a camera and swings the above-mentioned moving image forward, backward, left, and right in order to shoot a desired image and a clear image. In the communication terminal, however, the user cannot obtain the desired video only from the video displayed on the display unit.

As mentioned above, in the conventional mobile communication terminal with a camera, only the captured image is displayed on the screen when shooting, and the user can only shoot the image based on the focus of the subject by feeling, so it is impossible to know the clearest shot. The location does not allow for optimal shooting conditions. And, when shooting, the sharpness is also quite different according to the shooting angle. When the photo is not taken well, the above-mentioned untaken photo will be stored or kept unnecessarily, so that when other photos need to be taken , it often happens that shooting cannot be performed due to exceeding the data capacity. Moreover, when the sharpness of the photo displayed on the screen of the mobile communication terminal is quite different from the sharpness of the photo desired by the user, it is necessary to delete the photo and perform multiple re-shooting operations, which causes a lot of inconvenience to the user.

Contents of the invention

The object of the present invention is to provide a display device and method for identifying shooting positions using iris, so that the best shooting positions can be displayed by iris recognition sensors in mobile communication terminals with cameras.

A display device that utilizes iris to identify a shooting position, in the shooting position display device of a mobile communication terminal with a camera, it is characterized in that it includes the following parts: an iris recognition camera unit for photographing the user's eyes; A first display unit for displaying an image input from the above-mentioned camera; a second display unit for displaying a shooting position; when a photo shooting mode is selected, the position of the subject input by the above-mentioned camera and the iris position input by the above-mentioned iris recognition camera are combined Compare, and display the angle between the above-mentioned object position and the iris position through the above-mentioned second display part, and when the above-mentioned object and iris position are on a straight line, it will prompt the user that he is currently in the best shooting position control department.

A display method utilizing iris recognition shooting position, when shooting with a mobile communication terminal with a camera, it is characterized in that it includes the following steps: the step of having an iris recognition camera for shooting user's eyes; when selecting the photo shooting mode , compare the subject input from the above camera with the iris position input from the iris recognition camera, and display the best shooting position indicator for displaying the angle between the position of the subject and the iris position Steps: detecting whether the above-mentioned object and the iris position are on a straight line; when the above-mentioned object and the above-mentioned iris position are on a straight line, prompting the user that they are currently in the best shooting position.

The beneficial effect of the invention is that the user can take photos with the best definition, and can avoid the trouble of deleting and taking photos many times due to dissatisfaction with the photos. In addition, it can differentiate itself from other camera phones and enhance the high-end image of the product, while also giving users a sense of satisfaction. In addition, the best shooting conditions are output through the sound effect, so that the user does not need to observe the screen of the mobile communication terminal with eyes, thereby reducing the fatigue of the user's eyes and improving user satisfaction.

Description of drawings

FIG. 1 is an internal structure diagram of a mobile communication terminal in an embodiment of the present invention.

FIG. 2 is an illustration diagram of a screen of a mobile communication terminal when photographing is performed according to an embodiment of the present invention.

Fig. 3 is a flowchart of a process of displaying a shooting position in a mobile communication terminal when shooting according to an embodiment of the present invention.

FIG. 4 is an illustration of an indicator displaying shooting positions according to iris and subject positions according to an embodiment of the present invention.

Detailed ways

The invention provides a display device and method for identifying shooting positions by using iris. Beneficial embodiments of the present invention will be described below with reference to the accompanying drawings. In the accompanying drawings, the same structural components are given the same drawing symbols and signs as much as possible in each accompanying drawing, and, in order to make the basic technical idea of the present invention clear, in In the following description, a detailed description of well-known functions or configurations will be omitted.

The structure and operation of the mobile communication terminal with a camera in the present invention will be described in detail below with reference to the accompanying drawing 1, which is an internal structure diagram of the mobile communication terminal in the embodiment of the present invention.

Referring to FIG. 1 above, the control unit 100 is used to perform the function of controlling the overall operation of the mobile communication terminal. When the photographing mode is selected, the control unit 100 compares the subject position input from the camera unit 103 with the iris position input from the iris recognition camera 101 , and displays the comparison result on the second display unit 107 . Here, comparing the positions of the iris and the subject refers to comparing the angles between the iris and the subject, and displaying the comparison result refers to displaying the above-mentioned angles on the best shooting position indicator.

Wherein, when the position of the subject and the iris are on a straight line, the control unit 100 will control and prompt the user that the position is currently at the best shooting position. That is, when the angle between the above-mentioned subject and the above-mentioned iris is 180°, the control unit 100 recognizes it as the subject and the iris are on a straight line, thereby prompting the user to take a photo at the current position of the mobile communication terminal will give the best clarity.

Furthermore, when the subject and the iris are not on a straight line, the control unit 100 controls to continue comparing the subject position and the iris position, and displays the comparison result on the second display unit 107 .

The operation of the above-mentioned control unit 100 will be described in more detail below with reference to FIG. 4 .

The iris recognition camera unit 101 takes pictures of the user's eyes and transmits the captured image to the iris recognition sensor unit 102. The iris recognition sensor unit 102 that receives the above image processes the image signal output by the camera, acquires the iris image, and transmits it to the control unit. 100.

The camera unit 103 is provided with a camera sensor for photographing a subject and converting the photographed image into an electrical signal, wherein the camera sensor is assumed to be a charge-coupled device (CCD) sensor.

The video processing unit 104 processes the video input from the camera unit 103 according to the specifications of the first display unit 106 , compresses and expands the video, and outputs video signals to the control unit 100 .

The memory section 105 can be composed of a program memory and a data memory. Wherein, the above-mentioned program memory stores a program for controlling general operations of the mobile communication terminal, and the above-mentioned data memory temporarily stores data generated during the running of the above-mentioned program.

The first display unit 106 may use a liquid crystal display device LCD for displaying the image input from the above-mentioned image processing unit 170 on the screen.

The second display unit 107 displays a best shooting position indicator for presenting the user with a best shooting position, and the second display unit 107 may be included in the first display unit 106 .

Above-mentioned 1st display part 106 and the 2nd display part 107 can be as shown in Figure 2, with reference to Fig. 2, the subject that will be photographed by camera part 103 will be displayed in the 1st display part 106, and the optimum shooting position indicator then shows on the second display unit 107 .

The voice processing unit 108 decodes the received signal under the control of the control unit 100, converts it into an electrical voice signal, and outputs it to the speaker. Furthermore, the speech processing unit 108 encodes and outputs the electrical speech signal received through the microphone under the control of the control unit 100 .

The key input unit 109 is provided with keys for inputting numerical and character information and function keys for setting various functions.

The wireless part 110 is used to perform the communication operation of the mobile communication terminal. The above wireless part 110 includes: a radio frequency transmitter that up-converts and amplifies the frequency of the transmitted signal; performs low-noise amplification on the received signal and lowers the frequency Transformed RF receiver.

The following describes the process of displaying the best shooting position on the screen of the mobile communication terminal and enabling the user to shoot images with the best definition with reference to accompanying drawing 3. Flowchart of the process of photographing locations.

The control unit 100 maintains the standby state at step 300 , and detects at step 302 whether it is in the photo shooting mode. In the case of the photographing mode, step 304 will be executed, and the control unit 100 will control the camera unit 103 so that the focus of the camera lens is on the subject.

Next, from step 304 to step 306 , the control unit 100 compares the position of the iris image input by the iris recognition camera 101 with the position of the subject image input by the camera unit 103 . Then, the control unit 100 displays on the second display unit 107 the imaging position corresponding to the position of the iris and the subject.

The optimal shooting position indicator displayed in step 306 will be described below with reference to FIG. 4 . When the user's iris and the subject are in a straight line, it will be as shown in figure (a); and when the user's iris and the subject are not in a straight line, it will be as shown in figure (b) Show. That is, the pointer of the best shooting position indicator will move along with the positions of the iris and the subject, and when the positions of the iris and the subject are on a straight line to reach the best shooting position, as shown in (a) of Figure 4 , the pointer will point to "0" degrees.

Subsequently, the control unit 100 executes step 308, and when the user's iris and the object to be photographed are in a straight line, executes step 310 and prompts the user that the current mobile communication terminal is in the best photographing position. Among them, the method of prompting the user of the best shooting position includes outputting an effect sound such as "ding dong ding dong" through the voice processing unit 108 to remind the user.

As mentioned above, when the sound effect is used to prompt the user that the current mobile communication terminal is in the best shooting position, the image can be captured with the best clarity even if the user does not observe the picture with eyes.

Subsequently, step 302 is executed, and the control unit 100 detects whether a photo shooting key is input through the key input unit 109 . Wherein, when the photo shooting key is input, the control unit 100 will execute step 314; When step 312 is executed to step 314 , the control unit 100 stores the photograph taken in the memory unit 105 .

As mentioned above, when shooting in the present invention, the iris recognition sensor is used to display the best shooting position that can be shot with the best clarity on the screen of the mobile communication terminal, so that the photo can be taken with the clearest and best quality. .

The beneficial embodiments of the present invention have been described above, but the present invention is not limited to the above-mentioned embodiments, and within the scope of the basic technical idea of the present invention, those skilled in the relevant industries can carry out various modifications to it and applications, and the above-mentioned modifications and applications all belong to the scope of the claims of the present invention.

Claims (6)

1. a display unit of utilizing iris recognition photo position in having the display unit of utilizing iris recognition photo position, is characterized in that, includes as the lower part:

Be used to take the identification camera section of the iris of eyes of user;

Be used to show from the 1st display part of the image of above-mentioned iris recognition camera portion input;

Be used to show the 2nd display part of camera site;

When selecting the photograph screening-mode, the iris position of the subject position imported in the above-mentioned iris recognition camera portion and the input of above-mentioned iris recognition camera portion is compared, and show angle between above-mentioned subject position and the iris position by above-mentioned the 2nd display part, and when being in always on the line in the position of above-mentioned subject and iris, will the current control part that is in best camera site of prompting user.

2. the display unit of utilizing iris recognition photo position according to claim 1 is characterized in that, also includes in the above-mentioned control part:

When the position of above-mentioned subject and iris is not on the straight line, is used to control continuation and shows the position of above-mentioned subject and the device of the angle between the iris position by above-mentioned the 2nd display part.

3. the display unit of utilizing iris recognition photo position according to claim 1 is characterized in that: also include under the control of above-mentioned control part the signal that receives is decoded, be converted into the speech processes portion that exports to loud speaker behind the signal of telecommunication; The position that also includes in the above-mentioned control part when above-mentioned mobile communication terminal is under the situation of optimum photographing position, and the device of predefined effect sound is exported in control by above-mentioned speech processes portion.

4. a display packing of utilizing iris recognition photo position when the mobile communication terminal with camera is taken, is characterized in that, includes following several steps:

The step that possesses the iris recognition camera that is used to take eyes of user;

When selecting the photograph screening-mode, the iris position of the subject imported in the above-mentioned camera and above-mentioned iris being known the camera section input compares, and shows the step of the optimum photographing position announcer of the position that is used to show above-mentioned subject and the angle between the above-mentioned iris position;

Detect above-mentioned subject and above-mentioned iris position and whether be in step on the straight line;

When above-mentioned subject and above-mentioned iris position are in always on the line, the current step that is in best camera site of prompting user.

5. the display packing of utilizing iris recognition photo position according to claim 4 is characterized in that, also includes:

When the position of above-mentioned subject and iris is not on the straight line, continue to show the step of the angle between above-mentioned subject position and the iris position.

6. the display packing of utilizing iris recognition photo position according to claim 4 is characterized in that: in the step of the camera site of above-mentioned prompting user the best, be in best camera site by output effect sound prompting user is current.

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