CN1233822A - Optical disk reproducing method and optical disk reproducing system - Google Patents
Optical disk reproducing method and optical disk reproducing system Download PDFInfo
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- CN1233822A CN1233822A CN99106011A CN99106011A CN1233822A CN 1233822 A CN1233822 A CN 1233822A CN 99106011 A CN99106011 A CN 99106011A CN 99106011 A CN99106011 A CN 99106011A CN 1233822 A CN1233822 A CN 1233822A
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Abstract
The present invention provides a method of optical disk reproduction for display a extract screen of moving image data on the optical disk, wherein a head address of moving image data to be displayed is obtained by using audio data and moving image data recorded on the optical disk, an address after a prescribed time from a time indicated by the head address is calculated and moving image data are read according to the address calculated, then an I picture is detected in the read moving image data and a first detected I picture is displayed in a contracted size.
Description
The present invention relates to be used to the to reset optical disc reproducing method and the optical disc reproducing system of the CD that records the speech data of encoding with mpeg standard and motion image data on it, it is specifically related to the optical disc reproducing method and the optical disc reproducing system of summary panel that can the moving image of displayed record on CD.
Recently, a lot of notices are concentrated in and how are going up the technical of record prolonged exercise view data such as video disc (CD-Video).Because need utilize data compression technique to reduce data volume so that it can write down the motion image data of longer time, so proposed multiple different motion image data compress technique, what adopted in CD-Video then is the MPEG method.
Here, if the moving image that is write down can sequentially be read and dwindle its size, can identify the content that is recorded in the moving image on the CD effectively so that its form with the array tabulation (summary panel) of downscaled images is shown.
Figure 5 shows that and be used to illustrate that the conventional optical disc reproducing system of utilization comes the process flow diagram of the operation of Display Summary panel.At first, this system's playback record is in the address (divide second, frame) (step 501) of the tables of data on certain given position on the CD to be recorded in the total movement view data on the CD under storing.Then, extract the leading address (step 502) of motion image data to display, and shaven head is moved on the position of this leading address, and the data of being read are offered mpeg decoder (step 504) with sense data (step 503) from CD.
If detect the I picture (interior coded picture) of mpeg format in the data behind this leading address, then at first dwindle and also subsequently it to be presented at (step 505) on the display by the mpeg decoder acquired image data that detected I picture is decoded.As long as still have motion image data on the CD, then will repeat this operation (step 506) always.
In above-mentioned display method, in the data that shown is behind leading address the downscaled images of detected at first I picture.Therefore, when exist as shown in Figure 6 respectively by the black many groups moving image that becomes more and more brighter the time, in showing every group the above-mentioned conventional processing of each downscaled images of the first I picture, video screen will be full of and summary panel 50 similar several downscaled images 51 as shown in Figure 7.Can not judge the content that is recorded in the moving image on the CD in this case is what.
Also have a kind of method to be in addition, after the brightness that has detected every width of cloth image, when the brightness of input picture is equal to or greater than predetermined luminance, will show the downscaled images of the image identical with original I picture.Yet the method exist a problem be when each group moving image respectively to become clear (saturated) image to start with the time, video screen can be full of many bright downscaled images again on the contrary.
Even an object of the present invention is to provide a kind of also can be thereby moving image begins to make the situation can not easily identify its content with the monochrome image of black or white under by skipping optical disc reproducing method and the optical disc reproducing system that fuzzy part demonstrates effective image that its content can be identified.
According to a first aspect of the invention, the CD that is used for recording from it speech data and motion image data is read the I picture and is comprised the steps: with the optical disc reproducing method of the summary panel of the moving image of downscaled images array displayed record on CD of these I pictures
The leading address of motion image data to display begins through the address after the schedule time on the CD from being recorded in calculating, and
Read the I picture according to the address that is calculated.
In this preferred embodiment, this optical disc reproducing method also comprises the steps: in addition
Obtain the address that is recorded in the motion image data on the CD,
From resulting address, draw the leading address of motion image data to display, and
Calculate from this leading address and begin through the address after the schedule time.
In another kind of preferred embodiment, optical disc reproducing method also comprises the steps: in addition
Read motion image data from the position of the address that calculated,
From the motion image data of being read, detect the I picture, and
Reduce the size of the image of detected at first I picture.
According to a second aspect of the invention, the CD that is used for recording from it speech data and motion image data is read the I picture and is comprised the steps: with the optical disc reproducing method of the summary panel of the moving image of downscaled images array displayed record on CD of these I pictures
Read motion image data from being recorded on the CD leading address of motion image data to display,
From the motion image data of being read, retrieve speech data, and
Read the I picture in the address that begins from the speech data check point through after the schedule time, and directly show the image of original I picture.
In this preferred embodiment, this optical disc reproducing method comprises the steps: in addition
Obtain the address that is recorded in the motion image data on the CD,
From resulting address, draw the leading address of motion image data to display, and
Calculate and beginning from the speech data check point through the address after the schedule time.
In another kind of preferred embodiment, optical disc reproducing method comprises the steps: in addition
From the motion image data of being read, detect the I picture, and
Reduce the size of the image of detected at first I picture.
According to a third aspect of the invention we, the CD that is used for recording from it speech data and motion image data is read the I picture and is comprised with the optical disc reproducing system of the summary panel of the moving image of downscaled images array displayed record on CD of these I pictures:
Be used for reading the device of motion image data from CD,
Be used to calculate from the leading address of motion image data to display and begin device through the address after the schedule time, and
Be used on the address that is calculated detecting the I picture and being used to show the device of the image of the I picture that its size has been reduced from motion image data.
In a preferred embodiment, this optical disc reproducing system comprises in addition:
Be used for obtaining address that is recorded in the motion image data on the CD and the device that draws the leading address of motion image data to display from resulting address, wherein
Calculate from leading address by address calculating device and to begin through the address after the schedule time.
According to a forth aspect of the invention, the CD that is used for recording from it speech data and motion image data is read the I picture and is comprised with the optical disc reproducing system of the summary panel of the moving image of downscaled images array displayed record on CD of these I pictures:
Be used for reading the device of motion image data from being recorded in the leading address of motion image data to display on the CD,
Be used for retrieving the device of speech data from the motion image data of being read,
Be used to calculate from the speech data check point and begin to reach through the address device after the schedule time
Be used for reading the device of the image of I picture and the original I picture of direct demonstration from the address that is calculated.
In a preferred embodiment, this optical disc reproducing system comprises in addition:
Be used for obtaining address that is recorded in the motion image data on the CD and the device that draws the leading address of motion image data to display from resulting address, and
Be used to reduce the device of the image size of detected at first I picture.
Other purpose of the present invention, characteristic and advantage will become very clear from the detailed description that next provides.
By next given detailed description and the accompanying drawing of the preferred embodiments of the present invention, will more complete understanding be arranged to the present invention, yet wherein these embodiment should be considered as is limitation of the present invention, and its purpose only is in order to be more conducive to explanation and to understand the present invention.
In the accompanying drawing:
Figure 1 shows that the block scheme of the optical disc reproducing system of the first embodiment of the present invention;
Figure 2 shows that and be used for illustrating that optical disc reproducing system shown in Figure 1 is used for the process flow diagram of operation of Display Summary panel;
Figure 3 shows that synoptic diagram by the shown summary panel that goes out of optical disc reproducing system shown in Figure 1;
Figure 4 shows that the optical disc reproducing system that is used for illustrating the second embodiment of the present invention is used for the process flow diagram of operation of Display Summary panel;
Figure 5 shows that and be used for illustrating that conventional optical disc reproducing system is used for the process flow diagram of operation of Display Summary panel;
Figure 6 shows that synoptic diagram by an example of the black motion image data that becomes more and more brighter;
Figure 7 shows that synoptic diagram by the shown summary panel of the optical disc reproducing system of routine.
Next with reference to the accompanying drawings the preferred embodiments of the present invention are described in detail.In ensuing explanation,, will set forth a large amount of details in order to provide to thorough of the present invention.Yet to those skilled in the art, it clearly can not have to implement the present invention under the condition of these details.In another example, will show that those are the known structure of everybody no longer in detail to clear understanding of the present invention in order not influence.Figure 1 shows that the block scheme of the optical disc reproducing system that is used to show the first embodiment of the present invention, and Figure 2 shows that and be used for illustrating that this optical disc reproducing system is used for the process flow diagram of operation of Display Summary panel.
The optical disc reproducing system of present embodiment comprises as being used for from the CD drive 20 such as a kind of reading device of CD-Video or suchlike CD 10 sense datas; Be used for mpeg decoder 30 that the speech data of encoding with mpeg standard and motion image data are decoded; Its capacity can be stored the video memory 40 of a frame image data of being decoded by mpeg decoder 30 at least; The view data that is used for being stored in video memory 40 is presented at the display controller 60 on the display 50; CPU70 as the control device of the operation that is used to control total system; The address or the suchlike RAM80 that are used for the storing moving image data; Reach the input equipment 90 that can provide instruction by its user by the outside.
To utilize process flow diagram shown in Figure 2 that the operation that is used for the Display Summary panel in this optical disc reproducing system is described below.
At first, when CD 10 was placed on the CD drive 20, CD drive 20 will be in the tables of data of playback record under the control of CPU70 on CD 10.Registration has the address that is recorded in the whole motion image data on the CD 10 (dividing second, frame) of encoding with mpeg standard in this table.CPU70 will store (step 201) among the RAM80 in these addresses of resulting motion image data from CD 10.
Subsequently, CPU70 takes out the leading address (step 202) of motion image data to display from RAM80, and calculates from this leading address and begin through the address (step 203) after the schedule time.
As for this schedule time, its default value can be determined in the control program of CPU70 in advance.It is set to be different from the random time of this schedule time perhaps also can to utilize input equipment 90 by the user.
CPU70 moves to place, address by calculating with the shaven head of CD drive 20 on CD 10, with sense data (step 204) from CD 10, and the data of being read are offered mpeg decoder 30 (step 205).
30 pairs of mpeg encoded data of coming that provide of mpeg decoder are decoded.If detect the I picture (interior coded picture) (step 206) of mpeg image in the data after calculating the address of gained, CPU70 will reduce to be written in certain predetermined memory area in the video memory 40 by the size (step 207) of the mpeg decoder 30 resulting generation view data that detected I picture is at first decoded and with these data that its size is reduced.The view data that display controller 60 will be stored in the video memory 40 is converted to analog picture signal and provides it to display 50.Thus, on the summary panel 300 of display 50, demonstrate downscaled images 11-1 (step 208) shown in Fig. 3 (a).
CPU70 judges on the CD 10 whether still have motion image data (step 209) according to the address that is stored among the RAM80, and when still having motion image data, this step turns back to step 202, repeats same operation thus.
The first I picture be written to be different from the zone that reduces sized image 11-1 place after, the image 11-2 that reduces size that is formed by next I picture is written in the video memory 40, the image 11-1 next-door neighbour that itself and the first I picture form is shown in Fig. 3 (b).
Carry out aforesaid operations repeatedly and will shown in Fig. 3 (c), demonstrate downscaled images array 11-1 to 11-9.
In above-mentioned conventional method, owing to read as shown in Figure 6 and what show is I picture 610 on leading address (t1), if and have a plurality of moving image groups as shown in Figure 6, then video screen will be full of the downscaled images 310 of black as summary panel 300 shown in Figure 7.
On the contrary, in the present embodiment, what read and show is to begin through the I picture 320 on the address (t2) after the schedule time from leading address (t1), thereby it can demonstrate effective summary panel of the content that can identify the motion image data that is write down on the CD 10 easily.
To optical disc reproducing system according to a second embodiment of the present invention be described below.The structure of the optical disc reproducing system of second embodiment is identical with the structure of first embodiment shown in Figure 1; The explanation of therefore relevant its structure will be omitted.
Figure 4 shows that the optical disc reproducing system that is used to illustrate according to a second embodiment of the present invention is used for the process flow diagram of operation of Display Summary panel.
The step 201 and 202 the operation of operation that is used to illustrate first embodiment among step 401 and 402 operation and Fig. 2 is identical.
In the present embodiment, control according to CPU70, the shaven head of CD drive 20 is moved to the leading address of motion image data to display and sentences sense data (step 403) from CD 10, and the data of being read then are provided for mpeg decoder 30 (step 404).
When detecting the speech data of encoding with mpeg standard the data after this leading address (step 405), CPU70 will calculate from by the address (step 111) of indicated moment of the address of this speech data after through the schedule time (for example, 2 seconds).In step 110, from the continuous sense data in the position of leading address, up to not detecting the speech data of encoding again with mpeg standard.Can determine this schedule time in advance, perhaps also can it be set to random time by the user.
CPU70 moves to the shaven head of CD drive 20 by offering mpeg decoder 30 (step 408) with sense data from CD 10 (step 407) and with the data of being read on the resulting address of aforementioned calculation on CD 10.
Mpeg decoder 30 is provided by the mpeg encoded data that provided.When from by the data behind the address of calculating gained, detecting the I picture (interior coded picture) of mpeg image when (step 409), CPU will reduce the size of the generation view data that obtained by the mpeg decoder 30 that detected I picture is at first decoded, and the view data that this size is reduced is written in the video memory 40.
The view data that display controller 60 will be stored in the video memory 40 is converted to analog picture signal and provides it to display 50.Thus, this downscaled images is displayed on the display 50 (step 411).
CPU70 judges on the CD 10 whether still have motion image data (step 412) according to the address that is stored among the RAM80, and when still having motion image data, this step turns back to step 402, repeats identical operations thus.
In the above described manner, the shown summary panel 30 that goes out will be identical with first embodiment on display 50.
It is beginning that above-mentioned second embodiment is designed to retrieval speech data from the starting point of motion image data to display, and shows from being begun by the indicated moment of the address of detected speech data through the I picture on the address after the schedule time (for example 2 seconds).This be because, in first embodiment, in some cases its may be difficult to suitably to determine from the moment of leading address begin schedule time of process.Detecting speech data then is generally also will occur identifying the moving image of its content at an easy rate when speech data occurring because of considering, and can not be monochrome image.
In a second embodiment, the schedule time was set to 2 seconds.This is because the array spacings maximum of I picture can be defined as 2 seconds in the MPEG method.There is no need to reiterate that this schedule time can be set to the random time outside 2 seconds.
In the above-described embodiments, Fig. 3 is illustrated is to comprise the summary panel 300 of 9 width of cloth downscaled images 11-1 to 11-9; Yet the number of downscaled images also not only is confined to this, and it can be an any number.
When from CD 10, having obtained having exceeded the 10th width of cloth downscaled images of the image demonstration number on the summary panel 300, CPU70 can delete all downscaled images and begin new demonstration, or still keeps the width of cloth in the downscaled images that is showing and be close to the new downscaled images of its placement.
The internal memory that can be encased in CPU70 by the computer program (control program) that will be used for execution graph 2 or processing shown in Figure 5 from storage medium (storer) 100 is realized the optical disc reproducing method according to these embodiment.This computer program (control program) is stored in such as disk, in semiconductor memory or the suchlike storage medium 100.This computer program is encased in from storage medium 110, and CPU70 then comes each assembly is controlled according to this control program the CPU70, realizes the function of above-mentioned processing thus.
According to the present invention, what read and show is that starting point from motion image data to display begins through the I picture after the schedule time.Therefore, even this motion image data is to be difficult for the motion image data that the identified monochrome image such as black or white begins with its content, then can demonstrate effective image that can very at random identify its content by skipping this fuzzy part.Consequently, can be easily and identify the motion image data that is recorded on the CD assuredly.
Although above according to embodiment the present invention has been carried out illustration and explanation, should be understood by one of ordinary skill in the art is can reach therein to carry out above-mentioned and other multiple change to it under the condition that does not deviate from spirit of the present invention, omits and interpolation.Therefore the present invention should be interpreted as only to be confined to top illustrated specific embodiment, can comprise by enforceable all possible embodiment in the scope of in subsidiary claim, stating that characteristic contained and should understand it.
Claims (10)
1. optical disc reproducing method, the CD that is used for recording from it speech data and motion image data is read the I picture, and, it is characterized in that comprising the steps: with the summary panel of the moving image of downscaled images array displayed record on CD of these I pictures
Calculating begins through the address after the schedule time from the leading address that is recorded in motion image data to display on the described CD; And
Read the I picture according to the address that is calculated.
2. optical disc reproducing method as claimed in claim 1 is characterized in that comprising the steps: in addition
Obtain the address that is recorded in the motion image data on the described CD,
From resulting described address, draw the leading address of motion image data to display, and
Calculate from described leading address and begin through the address after the schedule time.
3. optical disc reproducing method as claimed in claim 1 is characterized in that comprising the steps: in addition
From described CD, read motion image data according to the described address that is calculated,
From the motion image data of being read, detect the I picture, and
Dwindle the size of the image of detected at first I picture.
4. optical disc reproducing method, the CD that is used for recording from it speech data and motion image data is read the I picture, and, it is characterized in that comprising the steps: with the summary panel of the moving image of downscaled images array displayed record on CD of these I pictures
Read motion image data from the leading address that is recorded in motion image data to display on the described CD;
From the motion image data of being read, retrieve speech data; And
Read the I picture in the address that begins from the speech data check point through after the schedule time, to demonstrate the image of original I picture.
5. optical disc reproducing method as claimed in claim 4 is characterized in that comprising the steps: in addition
Obtain the address that is recorded in the motion image data on the described CD,
From resulting described address, draw the leading address of motion image data to display, and
Calculate and beginning from the speech data check point through the address after the schedule time.
6. optical disc reproducing method as claimed in claim 4 is characterized in that comprising the steps: in addition
From the motion image data of being read, detect the I picture, and
Dwindle the size of the image of detected at first I picture.
7. optical disc reproducing system, the CD that is used for recording from it speech data and motion image data is read the I picture, and with the summary panel of the moving image of downscaled images array displayed record on CD of these I pictures, it is characterized in that comprising:
Be used for reading the device of motion image data from described CD,
Be used to calculate from the leading address of motion image data to display and begin device through the address after the schedule time, and
Be used on the address that is calculated detecting the I picture and being used for the device of the image of the reduced I picture of display size from motion image data.
8. optical disc reproducing system as claimed in claim 7 is characterized in that comprising in addition:
Be used for obtaining address that is recorded in the motion image data on the described CD and the device that draws the leading address of motion image data to display from resulting described address,
Wherein said address calculating device calculates from leading address and begins through the address after the schedule time.
9. optical disc reproducing system, the CD that is used for recording from it speech data and motion image data is read the I picture, and with the summary panel of the moving image of downscaled images array displayed record on CD of these I pictures, it is characterized in that comprising:
Be used for reading the device of motion image data from the leading address that is recorded in motion image data to display on the described CD;
Be used for retrieving the device of speech data from the motion image data of being read;
Be used to calculate from the speech data check point and begin through the address device after the schedule time; And
Be used for reading the I picture and show the device of the image of original I picture from the described address that is calculated.
10. optical disc reproducing system as claimed in claim 9 is characterized in that comprising in addition:
Be used for obtaining address that is recorded in the motion image data on the described CD and the device that draws the leading address of motion image data to display from resulting described address, and
Be used to dwindle the device of size of the image of detected at first I picture.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP116957/1998 | 1998-04-27 | ||
| JP11695798A JP3110376B2 (en) | 1998-04-27 | 1998-04-27 | Optical disc reproducing method and optical disc reproducing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1233822A true CN1233822A (en) | 1999-11-03 |
| CN1154090C CN1154090C (en) | 2004-06-16 |
Family
ID=14699932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991060113A Expired - Fee Related CN1154090C (en) | 1998-04-27 | 1999-04-27 | Optical disk reproducing method and optical disk reproducing system |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3110376B2 (en) |
| CN (1) | CN1154090C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7929823B2 (en) | 2005-11-17 | 2011-04-19 | Samsung Electronics Co., Ltd. | Device and method for displaying images |
| US8260090B2 (en) | 2007-03-15 | 2012-09-04 | Sony Corporation | Information processing apparatus, imaging apparatus, image display control method and computer program |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7145601B2 (en) | 2000-01-14 | 2006-12-05 | Fuji Photo Film Co., Ltd. | Multi-modal reproducing apparatus and digital camera |
| JP2005086680A (en) | 2003-09-10 | 2005-03-31 | Matsushita Electric Ind Co Ltd | Method, program, and device for displaying image |
| KR100775176B1 (en) * | 2006-03-10 | 2007-11-12 | 엘지전자 주식회사 | Thumbnail recording method for providing information of video data and terminal using the same |
| US8094202B2 (en) | 2007-05-17 | 2012-01-10 | Canon Kabushiki Kaisha | Moving image capture apparatus and moving image capture method |
-
1998
- 1998-04-27 JP JP11695798A patent/JP3110376B2/en not_active Expired - Fee Related
-
1999
- 1999-04-27 CN CNB991060113A patent/CN1154090C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7929823B2 (en) | 2005-11-17 | 2011-04-19 | Samsung Electronics Co., Ltd. | Device and method for displaying images |
| US8260090B2 (en) | 2007-03-15 | 2012-09-04 | Sony Corporation | Information processing apparatus, imaging apparatus, image display control method and computer program |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3110376B2 (en) | 2000-11-20 |
| JPH11313316A (en) | 1999-11-09 |
| CN1154090C (en) | 2004-06-16 |
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