Image display method, image display program, and image display apparatus
View Patent ↗An image display method by which a presence of a variation in a color signal in video, a variation in brightness data in video, a bit rate of video reproduction, an audio signal, a variation in a bit rate of video reproduction, or caption data is checked, whereby it is possible to display a significant image whose contents can be grasped by a user by skipping over a monochrome image such as a black or white image whose contents cannot be grasped by the user, even if a moving image starts from such a monochrome image.
1. An image display method for displaying a digest of a moving image, comprising the steps of:
sequentially extracting image data of each frame from moving image data;
generating thumbnail image data corresponding to the extracted image data;
determining whether or not the generated thumbnail image data includes more than a predetermined number of pixels having different color-difference data in a predetermined area; and
displaying a thumbnail image corresponding to the thumbnail image data if it is determined that there are more than a predetermined number of pixels having different color-difference data in a predetermined area.
2. An image display method for displaying a digest of a moving image, comprising the steps of:
sequentially extracting image data of each frame from moving image data;
determining whether or not the extracted image data includes more than a predetermined number of pixels having different color-difference data in a predetermined area;
generating thumbnail image data corresponding to the image data if it is determined that there are more than a predetermined number of pixels having different color-difference data in a predetermined area; and
displaying a thumbnail image corresponding to the generated thumbnail image data.
3. An image display method for displaying a digest of a moving image, comprising the steps of:
sequentially extracting image data of each frame from moving image data;
generating thumbnail image data corresponding to the extracted image data;
determining whether or not there are more than a predetermined number of pixels whose color-difference data is different between the generated thumbnail image data and thumbnail image data corresponding to a preceding frame in a predetermined area; and
displaying a thumbnail image corresponding to the thumbnail image data if it is determined that there are more than a predetermined number of pixels having different color-difference data in a predetermined area.
4. An image display method for displaying a digest of a moving image, comprising the steps of:
sequentially extracting image data of each frame from moving image data;
determining whether or not there are more than a predetermined number of pixels whose color-difference data is different between the extracted image data and image data corresponding to a preceding frame in a predetermined area;
generating thumbnail image data corresponding to the image data if it is determined that there are more than a predetermined number of pixels having different color-difference data in a predetermined area; and
displaying a thumbnail image corresponding to the generated thumbnail image data.
5. An image display method for displaying a digest of a moving image, comprising the steps of:
sequentially extracting image data of each frame from moving image data;
generating thumbnail image data corresponding to the extracted image data;
determining whether or not the generated thumbnail image data includes more than a predetermined number of pixels having different brightness data in a predetermined area; and
displaying a thumbnail image corresponding to the thumbnail image data if it is determined that there are more than a predetermined number of pixels having different brightness data in a predetermined area.
6. An image display method for displaying a digest of a moving image, comprising the steps of:
sequentially extracting image data of each frame from moving image data;
determining whether or not the extracted image data includes more than a predetermined number of pixels having different brightness data in a predetermined area;
generating thumbnail image data corresponding to the image data if it is determined that there are more than a predetermined number of pixels having different brightness data in a predetermined area; and
displaying a thumbnail image corresponding to the generated thumbnail image data.
7. An image display method for displaying a digest of a moving image, comprising the steps of:
sequentially extracting image data of each frame from moving image data;
generating thumbnail image data corresponding to the extracted image data;
determining whether or not there are more than a predetermined number of pixels whose brightness data is different between the generated thumbnail image data and thumbnail image data corresponding to a preceding frame in a predetermined area; and
displaying a thumbnail image corresponding to the thumbnail image data if it is determined that there are more than a predetermined number of pixels having different brightness data in a predetermined area.
8. An image display method for displaying a digest of a moving image, comprising the steps of:
sequentially extracting image data of each frame from moving image data;
determining whether or not there are more than a predetermined number of pixels whose brightness data is different between the extracted image data and image data corresponding to a preceding frame in a predetermined area;
generating thumbnail image data corresponding to the extracted image data if it is determined that there are more than a predetermined number of pixels having different brightness data in a predetermined area; and
displaying a thumbnail image corresponding to the generated thumbnail image data.
9. An image display method for displaying a digest of a moving image, comprising the steps of:
sequentially extracting image data of each frame from moving image data;
comparing a bit rate of the extracted image data and a predetermined value;
generating thumbnail image data corresponding to the image data if it is determined that a bit rate of the image data exceeds a predetermined value; and
displaying a thumbnail image corresponding to the generated thumbnail image data.
10. An image display method for displaying a digest of a moving image, comprising the steps of:
sequentially extracting image data of each frame from moving image data;
determining whether or not a difference between a bit rate of the extracted image data and a bit rate of image data of a preceding frame is equal to or greater than a predetermined value;
generating thumbnail image data corresponding to the image data if the difference is equal to or greater than a predetermined value; and
displaying a thumbnail image corresponding to the generated thumbnail image data.
11. An image display method for displaying a digest of a moving image, comprising the steps of:
retrieving audio data included in moving image data from the moving image data;
extracting image data of a frame corresponding to a time period at which the audio data is detected;
generating thumbnail image data corresponding to the extracted image data; and
displaying a thumbnail image corresponding to the generated thumbnail image data.
12. An image display method for displaying a digest of a moving image, comprising the steps of:
retrieving caption data included in moving image data from the moving image data;
extracting image data of a frame corresponding to a time period at which the caption data is detected;
generating thumbnail image data corresponding to the extracted image data; and
displaying a thumbnail image corresponding to the generated thumbnail image data.
13. A computer readable storage memory for storing an image display program for causing a computer to execute each step of the image display method according to any of claims 1 to 12 .
14. An image display apparatus comprising:
the computer readable storage memory according to claim 13 ; and
a computer operated based on the image display program stored in the computer readable storage memory.
15. An image display apparatus for displaying a digest of a moving image, comprising:
a decoder for decoding moving image data read from media;
a processing unit for processing the moving image data decoded by the decoder; and
a display controller for controlling a display device;
wherein the processing unit executes steps of:
sequentially extracting image data of each frame from the moving image data decoded by the decoder;
generating thumbnail image data corresponding to the extracted image data;
determining whether or not the generated thumbnail image data includes more than a predetermined number of pixels having different color-difference data in a predetermined area; and
instructing the display controller to cause the display device to display a thumbnail image corresponding to the thumbnail image data if it is determined that there are more than a predetermined number of pixels having different color-difference data in a predetermined area.
16. An image display apparatus for displaying a digest of a moving image, comprising:
a decoder for decoding moving image data read from media;
a processing unit for processing the moving image data decoded by the decoder; and
a display controller for controlling a display device;
wherein the processing unit executes steps of:
sequentially extracting image data of each frame from the moving image data decoded by the decoder;
determining whether or not the extracted image data includes more than a predetermined number of pixels having different color-difference data in a predetermined area;
generating thumbnail image data corresponding to the image data if it is determined that there are more than a predetermined number of pixels having different color-difference data in a predetermined area; and
instructing the display controller to cause the display device to display a thumbnail image corresponding to the generated thumbnail image data.
17. An image display apparatus for displaying a digest of a moving image, comprising:
a decoder for decoding moving image data read from media;
a processing unit for processing the moving image data decoded by the decoder; and
a display controller for controlling a display device;
wherein the processing unit executes steps of:
sequentially extracting image data of each frame from the moving image data decoded by the decoder;
generating thumbnail image data corresponding to the extracted image data;
determining whether or not there are more than a predetermined number of pixels whose color-difference data is different between the generated thumbnail image data and thumbnail image data corresponding to a preceding frame in a predetermined area; and
instructing the display controller to cause the display device to display a thumbnail image corresponding to the thumbnail image data if it is determined that there are more than a predetermined number of pixels having different color-difference data in a predetermined area.
18. An image display apparatus for displaying a digest of a moving image, comprising:
a decoder for decoding moving image data read from media;
a processing unit for processing the moving image data decoded by the decoder; and
a display controller for controlling a display device;
wherein the processing unit executes steps of:
sequentially extracting image data of each frame from the moving image data decoded by the decoder;
determining whether or not there are more than a predetermined number of pixels whose color-difference data is different between the extracted image data and image data corresponding to a preceding frame in a predetermined area;
generating thumbnail image data corresponding to the image data if it is determined that there are more than a predetermined number of pixels having different color-difference data in a predetermined area; and
instructing the display controller to cause the display device to display a thumbnail image corresponding to the generated thumbnail image data.
19. An image display apparatus for displaying a digest of a moving image, comprising:
a decoder for decoding moving image data read from media;
a processing unit for processing the moving image data decoded by the decoder; and
a display controller for controlling a display device;
wherein the processing unit executes steps of:
sequentially extracting image data of each frame from the moving image data decoded by the decoder;
generating thumbnail image data corresponding to the extracted image data;
determining whether or not the generated thumbnail image data includes more than a predetermined number of pixels having different brightness data in a predetermined area; and
instructing the display controller to cause the display device to display a thumbnail image corresponding to the thumbnail image data if it is determined that there are more than a predetermined number of pixels having different brightness data in a predetermined area.
20. An image display apparatus for displaying a digest of a moving image, comprising:
a decoder for decoding moving image data read from media;
a processing unit for processing the moving image data decoded by the decoder; and
a display controller for controlling a display device;
wherein the processing unit executes steps of:
sequentially extracting image data of each frame from the moving image data decoded by the decoder;
determining whether or not the extracted image data includes more than a predetermined number of pixels having different brightness data in a predetermined area;
generating thumbnail image data corresponding to the image data if it is determined that there are more than a predetermined number of pixels having different brightness data in a predetermined area; and
instructing the display controller to cause the display device to display a thumbnail image corresponding to the generated thumbnail image data.
21. An image display apparatus for displaying a digest of a moving image, comprising:
a decoder for decoding moving image data read from media;
a processing unit for processing the moving image data decoded by the decoder; and
a display controller for controlling a display device;
wherein the processing unit executes steps of:
sequentially extracting image data of each frame from the moving image data decoded by the decoder;
generating thumbnail image data corresponding to the extracted image data;
determining whether or not there are more than a predetermined number of pixels whose brightness data is different between the generated thumbnail image data and thumbnail image data corresponding to a preceding frame in a predetermined area; and
instructing the display controller to cause the display device to display a thumbnail image corresponding to the thumbnail image data if it is determined that there are more than a predetermined number of pixels having different brightness data in a predetermined area.
22. An image display apparatus for displaying a digest of a moving image, comprising:
a decoder for decoding moving image data read from media;
a processing unit for processing the moving image data decoded by the decoder; and
a display controller for controlling a display device;
wherein the processing unit executes steps of:
sequentially extracting image data of each frame from the moving image data decoded by the decoder;
determining whether or not there are more than a predetermined number of pixels whose brightness data is different between the extracted image data and image data corresponding to a preceding frame in a predetermined area;
generating thumbnail image data corresponding to the image data if it is determined that there are more than a predetermined number of pixels having different brightness data in a predetermined area; and
instructing the display controller to cause the display device to display a thumbnail image corresponding to the generated thumbnail image data.
23. An image display apparatus for displaying a digest of a moving image, comprising:
a decoder for decoding moving image data read from media;
a processing unit for processing the moving image data decoded by the decoder; and
a display controller for controlling a display device;
wherein the processing unit executes steps of:
sequentially extracting image data of each frame from the moving image data decoded by the decoder;
comparing a bit rate of the extracted image data and a predetermined value;
generating thumbnail image data corresponding to the image data if it is determined that a bit rate of the image data exceeds a predetermined value; and
instructing the display controller to cause the display device to display a thumbnail image corresponding to the generated thumbnail image data.
24. An image display apparatus for displaying a digest of a moving image, comprising:
a decoder for decoding moving image data read from media;
a processing unit for processing the moving image data decoded by the decoder; and
a display controller for controlling a display device;
wherein the processing unit executes steps of:
sequentially extracting image data of each frame from the moving image data decoded by the decoder;
determining whether or not a difference between a bit rate of the extracted image data and a bit rate of image data of a preceding frame is equal to or greater than a predetermined value;
generating thumbnail image data corresponding to the image data if the difference is equal to or greater than a predetermined value; and
instructing the display controller to cause the display device to display a thumbnail image corresponding to the generated thumbnail image data.
25. An image display apparatus for displaying a digest of a moving image, comprising:
a decoder for decoding moving image data read from media;
a processing unit for processing the moving image data decoded by the decoder; and
a display controller for controlling a display device;
wherein the processing unit executes steps of:
retrieving audio data included in the moving image data from the moving image data decoded by the decoder;
extracting image data of a frame corresponding to a time period at which the audio data is detected;
generating thumbnail image data corresponding to the extracted image data; and
instructing the display controller to cause the display device to display a thumbnail image corresponding to the generated thumbnail image data.
26. An image display apparatus for displaying a digest of a moving image, comprising:
a decoder for decoding moving image data read from media;
a processing unit for processing the moving image data decoded by the decoder; and
a display controller for controlling a display device;
wherein the processing unit executes steps of:
retrieving caption data included in the moving image data from the moving image data decoded by the decoder;
extracting image data of a frame corresponding to a time period at which the caption data is detected;
generating thumbnail image data corresponding to the extracted image data; and
instructing the display controller to cause the display device to display a thumbnail image corresponding to the generated thumbnail image data.