Display apparatus and method of controlling the same for visualizing body changes

1. A display apparatus comprising:

a communicator configured to receive image information about an image obtained by an image obtainer;

an inputter configured to receive menu information of at least one of a somatotype mode or an exercise purpose;

a storage configured to store information about maximum and minimum values of variation parameters for each fixed parameter and a height of a user,

a controller configured to:

obtain a body image of the user based on the image information received by the communicator,

recognize joints based on the obtained body image,

obtain position information of the recognized joints based on the obtained body image,

obtain a first parameter tor each part of a body of the user based on the obtained position information of the joints,

obtain a second parameter for each part of the body of the user corresponding to the somatotype mode and the exercise purpose received by the inputter,

determine a change value of the parameter for each part of the body of the user based on the obtained first and second parameters for each part of the body of the user,

generate a distance between the recognized joints as a fixed parameter,

generate a width and circumference of the part between the recognized joints and a width and circumference of the joints as variation parameters,

obtain the maximum and minimum values of the variation parameters based on the information stored in the storage and body information of the user,

obtain an increase or decrease of the first parameter for each pan of the body of the user based on the determined change value of the parameter for each part of the body of the user and the maximum and minimum values of the obtained variation parameters,

perform erosion image processing or dilation image processing for each part of the body of the user based on the obtained increase or decrease of the first parameter for each part of the body of the user,

change an image for each part of the body by the erosion image processing or the dilation image processing for each part of the body of the user; and

a screen configured to display the changed image in response to a control command of the controller.

2. The display apparatus according to claim 1 , wherein the controller is configured to:

identify the number of pixels corresponding to the increase or decrease of the first parameter for each part of the body of the user; and

perform erosion image processing or dilation image processing for each part of the determined body based on the identified number of pixels.

3. The display apparatus according to claim 2 , wherein the controller is configured to perform the erosion image processing or the dilation image processing in a direction perpendicular to a direction in which the joints are connected.

4. The display apparatus according to claim 1 , wherein the controller is configured to:

generate a body change image reflecting the changed image of each part of the body;

change left and right portions of the generated body change image; and

control the screen to display the body change image with the left and right portions changed.

5. The display apparatus according to claim 4 , wherein the controller is configured to control the screen to display the obtained body image and the body change image in an overlaid manner.

6. The display apparatus according to claim 1 , wherein:

the inputter is configured to receive at least one exercise information among an exercise type, an exercise time, or an exercise intensity; and

the controller is configured to adjust at least one of the obtained parameters for each part of the body based on the received exercise information.

7. The display apparatus according to claim 1 , wherein the image obtainer is integrally provided with the screen.

8. The display apparatus according to claim 1 , wherein:

the inputter comprises a touch panel; and

the screen comprises a display panel provided on one side of the touch panel.

9. A method of controlling a display apparatus comprising:

obtaining image information using an image obtainer;

obtaining body images of a user based on the received image information;

recognizing joints based on the obtained body image,

obtaining position information of the recognized joints based on the obtained body image,

obtaining a first parameter for each part of a body of the user based on the obtained position information of the joints,

obtaining a second parameter for each part of the body of the user corresponding to the somatotype mode and the exercise purpose received by an inputter,

determining a change value of the parameter for each part of the body of the user based on the obtained first and second parameters for each part of the body of the user,

generating a distance between the recognized joints as a fixed parameter,

generating a width and circumference of the part between the recognized joints and a width and circumference of the joints as variation parameters,

obtaining maximum and minimum values of the variation parameters based on information stored in a storage and body information of the user,

obtaining an increase or decrease of the first parameter for each part of the body of the user based on determined change value of the parameter for each part of the body of the user and the maximum and minimum values of the obtained variation parameters,

performing erosion image processing or dilation image processing for each part of the body of the user based on the obtained increase or decrease of the first parameter for each part of the body of the user,

changing an image for each part of the body by the erosion image processing or the dilation image processing for each part of the body of the user; and

displaying changed image through a screen,

wherein the information stored in the storage comprises information about maximum and minimum values of the variation parameters for each fixed parameter and a height of the user.

10. The method according to claim 9 , wherein the performing of the erosion image processing or the dilation image processing for each part of the determined body comprises:

identifying the number of pixels corresponding to the increase or decrease of the first parameter for each part of the user's body; and

performing the erosion image processing or the dilation image processing for each part of the determined body based on the identified number of pixels, but performing the erosion image processing or the dilation image processing in a direction perpendicular to a direction in which the joints are connected.

11. The method according to claim 9 , further comprising:

generating a body change image reflecting the changed image of each part of the body;

changing left and right portions of the generated body change image; and

controlling the screen to display the body change image with the left and right portions changed on the obtained body image.

12. The method according to claim 9 , further comprising:

when at least one exercise information among an exercise type, an exercise time, or an exercise intensity is received through the inputter, adjusting at least one of the obtained parameters for each part of the body based on the received exercise information.