Information outputting device, information outputting method, computer readable recording medium, and image projecting system

1. An information outputting device, comprising:

a reception unit that receives a first image which is a target of output;

a judgment unit that judges whether at least a part of the first image is a preset image; and

an output unit that outputs the first image when it is judged that at least a part of the first image is not the preset image based on a result of the judgment made by the judgment unit; wherein

the output unit continues outputting a second image that has been output previously when it is judged that at least a part of the first image is the preset image based on the result of the judgment made by the judgment unit.

2. The information outputting device according to claim 1 , wherein the judgment unit judges whether at least a part of the first image is a preset image when the first image is received.

3. The information outputting device according to claim 1 , wherein when it is judged that at least a part of the first image is the preset image based on the result of the judgment made by the judgment unit, the output unit controls not to output the first image.

4. The information outputting device according to claim 1 , wherein the judgment unit performs the judgment by dividing each of the first image and the preset image into a plurality of blocks and determines whether at least the part of the first image is the preset image on a block by block basis.

5. The information outputting device according to claim 1 , wherein the judgment unit performs the judgment by dividing each of the first image and the preset image into a plurality of blocks and determines whether at least the part of the first image is the preset image on a block by block basis, and

the judgment unit judges whether a value of pixels in each block of the first image matches a value of pixels in a corresponding block of the preset image in order to determine whether at least a part of the first image is the preset image.

6. An information outputting device comprising:

a reception unit that receives a first image which is a target of output;

a judgment unit that judges whether at least a part of the first image is a preset image; and

an output unit that outputs the first image when it is judged that at least a part of the first image is not the preset image based on a result of the judgment made by the judgment unit

wherein the output unit outputs an alternative image when it is judged that at least a part of the first image is the preset image based on the result of the judgment made by the judgment unit.

7. The information outputting device according to claim 6 , wherein the judgment unit judges whether at least a part of the first image is the preset image when the first image is received.

8. The information outputting device according to claim 6 , wherein when it is judged that at least a part of the first image is the preset image based on the result of the judgment made by the judgment unit, the output unit controls not to output the first image.

9. The information outputting device according to claim 6 , wherein the judgment unit performs the judgment by dividing each of the first image and the preset image into a plurality of blocks and determines whether at least the part of the first image is the preset image on a block by block basis.

10. The information outputting device according to claim 6 , wherein the judgment unit performs the judgment by dividing each of the first image and the preset image into a plurality of blocks and determines whether at least the part of the first image is the preset image on a block by block basis, and

the judgment unit judges whether a value of pixels in each block of the first image matches a value of pixels in a corresponding block of the preset image in order to determine whether at least a part of the first image is the preset image.

11. An information outputting method, comprising:

receiving a first image which is a target of output;

judging, using at least one computer, whether at least a part of the first image is a preset image; and

outputting the first image when it is judged that at least a part of the first image is not the preset image based on a result of the judgment and continuing to output a second image that has been output previously when it is judged that at least a part of the first image is the preset image based on the result of the judgment.

12. A computer readable recording medium recording thereon a program that causes a computer to execute a process comprising:

receiving a first image which is a target of outputting;

judging whether at least a part of the first image is a preset image; and

outputting the first image when it is judged that at least a part of the first image is not the preset image based on a result of the judgment and continues to output a second image that has been output previously when it is judged that at least a part of the first image is the preset image based on the result of the judgment.

13. An image projecting system, comprising:

an output device that outputs a first image designated by a user as a target of projecting;

and a projector that receives the first image output by the output device, judges whether at least a part of the first image is a preset image, and projects the first image when it is judged that at least a part of the first image is not the preset image based on a result of the judgment;

wherein the projector continues outputting a second image that has been output previously when it is judged that at least a part of the first image is the preset image based on the result of the judgment.

14. The information projecting system according to claim 13 , further comprising:

a recording device that records the first image when it is judged that at least a part of the first image is not the preset image based on a result of the judgment.

15. An image projecting system, comprising:

an output device that outputs a first image designated by a user as a target of projecting;

and a projector that receives the first image output by the output device, judges whether at least a part of the first image is a preset image, and projects the first image when it is judged that at least a part of the first image is not the preset image based on a result of the judgment;

wherein the projector outputs an alternative image when it is judged that at least a part of the first image is the preset image based on the result of the judgment.

16. The information projecting system according to claim 15 , further comprising:

a recording device that records the first image when it is judged that at least a part of the first image is not the preset image based on a result of the judgment.

17. An information outputting method, comprising:

receiving a first image which is a target of output;

judging, using at least one computer, whether at least a part of the first image is a preset image; and

outputting the first image when it is judged that at least a part of the first image is not the preset image based on a result of the judgment, and outputting an alternative image when it is judged that at least a part of the first image is the preset image based on the result of the judgment.

18. A computer readable recording medium recording thereon a program that causes a computer to execute a process comprising:

receiving a first image which is a target of outputting;

judging whether at least a part of the first image is a preset image; and

outputting the first image when it is judged that at least a part of the first image is not the preset image based on a result of the judgment, and outputting an alternative image when it is judged that at least a part of the first image is the preset image based on the result of the judgment.