Method for indexing and searching moving picture using motion activity description method
View Patent ↗A method for indexing and searching a moving picture using a motion activity description method is disclosed, which includes a step for describing a motion feature information based on a f — code which is a size of a video name, a time stamp and a motion search, and a step for indexing and searching a moving picture using the same, for thereby describing a feature with respect to a motion activity using an information existing in a compressed data when searching a moving picture.
1. A moving picture indexing and searching method using a motion activity describing method, comprising the steps of:
describing a motion feature information in terms of a video name, a time stamp and an f-code which is a motion feature range; and
indexing and searching a moving picture using said motion feature information.
2. The method of claim 1 , wherein said video name has a plurality of time stamps and a f — code.
3. A moving picture indexing and searching method using a motion activity describing method, comprising the steps of:
describing a motion feature information in terms of a video name and a time stamp, and a frequency of an Inter mode of No — MC, a frequency of an Intra mode of No — MC and a frequency of an MC mode obtained by a selected process; and
indexing and searching a moving picture using said motion feature information.
4. The method of claim 3 , wherein said video name has a plurality of time stamps, a frequency of an Inter mode of a No — MC, a frequency of an Intra mode of a No — MC, and a frequency of an MC mode.
5. The method of claim 3 , wherein said selected process comprises:
a first step of determining whether an MB — Mode is a No — MC mode;
a second step of determining whether MB — Mode is No — MC — inter mode, if MB — Mode is determined as No — MC mode in said first step;
a third step of increasing counting value (no — mc — inter) of a counter for counting a frequency of No — MC — Inter mode and determining whether a current MB is a last MB, if MB — Mode is determined as No — MC — Inter mode in said second step, and determining whether MB — Mode is No — MC — Intra mode if MB — Mode is not determined as No — MC — Inter mode;
a fourth step of increasing counting value (no — mc — intra) of a counter for counting a frequency of No — MC — Intra mode and determining whether a current MB is a last MB, if MB — Mode is determined as No — MC — Intra mode in said third step, and increasing counting value (mc) of a counter for counting a frequency of MC mode and determining whether a current MB is a last MB, if MB — Mode is not determined as No — MC mode in said third step; and
a fifth step of increasing number of macro blocks (TotMBs) used in a motion feature range and repeatedly performing said first to third steps if said current MB is not determined as a last MB in said fourth step, and if said current MB is determined as a last MB in said fourth step, obtaining a frequency (No — MC — Inter — Ratio) of Inter mode of No — MC, frequency (Intra — Ratio) of Intra mode of No — MC according to the following Equations:
No — MC — Inter — Ratio=no — mc — inter/TotMBs
Intra — Ratio=no — mc — intra/TotMBs
MC — Ratio=mc/TotMBs.
6. A moving picture indexing and searching method using a motion activity describing technique, comprising the steps of:
describing a motion feature information based on a video name, a time stamp and a frequency of an Inter mode of a No — MC obtained by a selected process; and
indexing and searching a moving picture using said motion feature information.
7. The method of claim 6 , wherein said video name has a plurality of time stamps and a frequency of an Inter mode of an No — MC.
8. The method of claim 6 , wherein said selected process comprises:
a first step of increasing counting value (mc — nc — inter) of a counter for counting a frequency of No — MC — Inter mode and determining whether a current MB is a last MB if said MB — Mode is No — MC mode and No — MC — Inter mode; and
a second step of increasing number of macroblocks (TotMBs) used in a motion feature range and repeatedly performing said first step if said current MB is not determined as a last MB in said first step, and if said current MB is the last MB, obtaining a frequency (No — MC — Inter — Ratio) of Inter mode of No — MC according to the following Equation:
No — MC Inter — Ratio=no — mc inter/TotMBs.
9. A moving picture indexing and searching method using a motion activity describing technique, comprising the steps of:
describing a motion feature information based on a video name, a time stamp and a frequency of an Intra mode of a No — MC obtained by a selected process; and
indexing and searching a moving picture using said motion feature information.
10. The method of claim 9 , wherein said video name has a plurality of name information and a frequency of Intra mode of a No — MC.
11. The method of claim 9 , wherein said selected process comprises:
a first step of increasing counting value(mc — nc — intra) of a counter for counting a frequency of No — MC — Intra mode and determining whether a current MB is a last MB if said MB — Mode is No — MC mode and No — MC — Intra mode; and
a second step of increasing number of macro blocks (TotMBs) used in a motion feature range and repeatedly performing said first step if said current MB is not determined as a last MB in said first step, and if said current MB is the last MB, obtaining frequency (Intra — Ratio) of Intra mode of No — MC according to the following Equation:
Intra — Ratio=no — mc — intra/TotMBs.
12. A moving picture indexing and searching method using a motion activity describing technique, comprising the steps of:
describing a motion feature information based on a video name, a time stamp and a frequency of an MC mode obtained by a selected process; and
indexing and searching a moving picture using said motion feature information.
13. The method of claim 12 , wherein said video name has a frequency of a plurality of time stamps and a frequency of an MC mode.
14. The method of claim 12 , wherein said selected process comprises:
a first step of increasing counting value(mc) of a counter for counting a frequency of MC mode and determining whether a current MB is a last MB if said MB — Mode is not No — MC mode; and
a second step of increasing number of macro blocks (TotMBs) used in a motion feature range and repeatedly performing said first step if said current MB is not determined as a last MB in said first step, and if said current MB is the last MB, obtaining a frequency (MC — Ratio) with respect to MC mode according to the following Equation:
MC — Ratio=mc/TotMBs.
15. A moving picture indexing and searching method using a motion activity describing technique, comprising the steps of:
describing a feature information based on a video name and a time stamp and a frequency of an MC — Coded mode and a frequency of an MC — Not — Coded mode obtained by a selected process; and
indexing and searching a moving picture using said feature information.
16. The method of claim 15 , wherein said video name has a plurality of time stamps, a frequency of an MC — coded mode and a frequency of an MC — Not — Coded mode.
17. The method of claim 15 , wherein said selected process comprises:
a first step of determining whether MB — Mode is MC mode;
a second step of determining whether MB — Mode is MC — Coded mode, if said MB — Mode is determined as MC mode in said first step;
a third step of determining whether a current MB is a last MB by increasing counting value (mc — not — coded) of a counter for counting a frequency of MC — Not — Coded mode, if said MB — Mode is not determined as MC — Coded mode in said second step, and increasing counting value (mc — coded) of a counter for counting a frequency of MC — Coded mode and further increasing counting value(mc) of a counter for counting a frequency of MC mode;
a fourth step of increasing number of macro blocks (TotMBs) used in a motion feature range and repeatedly performing said first to third steps if said current MB is determined as not a last MB in said third step, and if said current MB is the last MB, obtaining a frequency (MC — Coded — Ratio) of the MC — Coded mode and a frequency (MC — Not — Coded — Ratio) of the Not — Coded mode according to the following Equations:
MC — Coded — Ratio=mc — coded/mc
MC — Not — Coded — Ratio=mc — not — coded/mc.
18. A moving picture indexing and searching method using a motion activity technique, comprising the steps of:
describing a feature information based on a video name, a time stamp and a frequency of an MC — Coded mode and a frequency of an MC — Not — Coded mode; and
measuring a similarity by comparing the frequency of MC — Coded mode of a moving picture of a smaller f — code with the frequency of MC — Coded mode of a larger f — code or with the frequency of MC — Not — Coded mode with respect to a moving picture having different f — codes, and indexing and searching a moving picture using said feature information.
19. The method of claim 18 , wherein said video name has a plurality of time stamps, a frequency of MC — Coded mode and a frequency of MC — Not — Coded mode.
20. The method of claim 18 , wherein said selected process comprises:
a first step of determining whether MB — Mode is MC mode;
a second step of determining whether said MB — Mode is MC — Coded mode, if said MB — Mode is determined as MC mode in said first step;
a third step of increasing counting value (mc — not — coded) of a counter for counting a frequency of MC — Not — Coded mode if said MB — Mode is not determined as MC — Coded mode in said second step, and increasing counting value (mc — coded) of a counter for counting a frequency of MC — Coded mode, increasing counting value(mc) of a counter for counting MC mode, and determining whether a current MB is a last MB if said MB — Mode is determined as MC — Coded mode in said second step; and
a fourth step of increasing number of macro blocks (TotMBs) used in a motion feature range and repeatedly performing said first to third steps if said current MB is not determined as a last MB in said third step, and if said MB is determined as a last MB in said third step, obtaining a frequency (MC — Coded — Ratio) of MC — Coded mode and a frequency (MC — Not — Coded — Ratio) of Not — Coded mode according to the following
MC — Coded — Ratio=mc — coded/mc
MC — Not — Coded — Ratio=mc — not — coded/mc.
21. A moving picture indexing and searching method using a motion activity describing technique, comprising the steps of:
describing a motion feature information in terms of a video name, a time stamp and a frequency of Inter mode of No — MC obtained by a selected process, a frequency of Intra mode of said No — MC, a frequency of MC mode, a frequency of a Coded mode with respect to MC mode and a frequency of Not — Coded mode with respect to MC mode; and
indexing and searching a moving picture using said motion feature information.
22. The method of claim 21 , wherein said video name has a frequency of a plurality of time stamps, a frequency of Inter mode of No — MC, a frequency of Intra mode of No — MC, a frequency of MC mode, a frequency of Coded mode with respect to Inter mode, a frequency of MC mode, a frequency of Coded mode with respect to MC mode, and a frequency of Not — Coded mode with respect to MC mode.
23. The method of claim 21 , wherein said selected process comprises:
a first step of determining whether MB — Mode is No — MC mode;
a second step of determining whether said MB — Mode is No — MC inter mode, if said MB — Mode is determined as No — MC mode in said first step;
a third step of increasing counting value (no — mc — inter) of a counter for counting a frequency of No — MC — Inter mode if said MB — Mode is determined as No — MC — Inter mode in said second step, and determining whether MB — Mode is No — MC — Intra mode if said MB — Mode is not determined as No — MC — Inter mode in said second step;
a fourth step of increasing counting value(no — mc — intra) of a counter for counting a frequency of No — MC — Intra mode if said MB — Mode is determined as No — MC — Intra mode in said third step, and determining whether MB — Mode is MC mode if said MB — Mode is not determined as No — MC — Intra mode;
a fifth step of determining whether said MB — Mode is MC — Coded mode if said MB — Mode is determined as MC mode in said fourth step;
a sixth step of increasing counting value (mc — not — coded) of a counter for counting a frequency of MC — Not — Coded mode if said MB — Mode is not determined as MC — Coded mode in said fifth step, and increasing counting value (mc — coded) of a counter for counting a frequency of MC — Coded mode, increasing counting value (mc) of a counter for counting a frequency of MC mode, and determining whether a current MB is a 1 st MB if said MB — Mode is determined as MC — Coded mode in said fifth step; and
a seventh step of increasing number of macro blocks (TotMBs) used in a motion feature range and repeatedly performing said first to sixth steps if said current MB is not determined as a last MB in said sixth step, and if said MB is determined as a last MB in said sixth step, obtaining a frequency (No — MC — Inter — Ratio) of Inter mode of No — MC, a frequency(Intra — Ratio) of Intra mode of No — MC, a frequency (MC — Ratio) with respect to MC mode, a frequency(MC — Coded — Ratio) of MC — Coded mode, and a frequency(MC — Not — Coded — Ratio) of Not — Coded mode according to the following Equations:
No — MC — Inter — Ratio=no — mc — inter/TotMBs
Intra — Ratio=no — mc — intra/totMBs
MC — Ratio=mc/TotMBs
MC — Coded — Ratio=mc — coded/mc
MC — Not — Coded — Ratio=mc — not — coded/mc.
24. A moving picture indexing and searching method using a motion activity describing technique, comprising the steps of:
classifying a motion vector of a macro block having a video name, time stamp, MC — Not — Coded mode, MC — Coded mode and No — MC — Inter mode in accordance with f — code, describing in terms of f — code frequency obtained by a selected process, measuring a similarity by comparing each f — code frequency, and indexing and searching a moving picture using said motion feature information.
25. The method of claim 24 , wherein said selected step comprises:
a first step of determining whether the MB — Mode is an MC — Mode;
a second step of increasing a counting value (f — code — c[1]) of a counter of f — code 1 and determining whether a current MB is a last MB if the MB — Mode is determined as Inter mode of No — MC mode;
a third step of selecting the largest X-axis motion vector (mv — x) and the largest Y-axis motion vector (mv — y) as a largest motion vector (max — mv), obtaining a maximum value k of f — code by the selected max — mv/16, increasing the counting value (f — code — c[k]) of the obtained f — counter, and determining whether a current MB is the last MB if MB — Mode is determined as MC — Mode in said first step; and
a fourth step of increasing a number of macro block used in a motion feature range, repeatedly performing said first to third steps, and if a current MB is the last MB, obtaining a frequency of f — code according to the following Equation:
f — code — ratio[k]=f — code — c[k]TotMBs.
26. A moving picture indexing and searching method using a motion activity describing technique, comprising the steps of:
classifying a motion vector of a macro block having a video name, time stamp, MC — Not — Coded mode, MC — Coded mode and No — MC — Inter mode in accordance with f — code, describing in terms of f — code frequency obtained by a selected process, measuring a similarity by comparing each f — code frequency with an at least one adjacent f — code frequency, and indexing and searching a moving picture using said motion feature information.
27. The method of claim 26 , wherein said selected step comprises:
a first step of determining whether the MB — Mode is an MC — Mode;
a second step of increasing a counting value (f — code — c[1]) of a counter of f — code 1 and determining whether a current MB is a last MB if the MB — Mode is determined as Inter mode of No — MC mode;
a third step of selecting the largest X-axis motion vector (mv — x) and the largest Y-axis motion vector (mv — y) as a largest motion vector(max — mv), obtaining a maximum value k of f — code by the selected max — mv/16, increasing the counting value (f — code — c[k]) of the obtained f — counter, and determining whether a current MB is the last MB if MB — Mode is determined as MC — Mode in said first step; and
a fourth step of increasing a number of macro block used in a motion feature range, repeatedly performing said first to third steps, and if a current MB is not determined as a last MB in said second and third steps, obtaining a frequency of f — code according to the following Equation:
f — code — ratio[k]=f — code — c[k]/TotMBs.
28. A moving picture indexing and searching method using a motion activity describing technique, comprising the steps of:
classifying a motion vector of a macro block having a video name, time stamp, MC — Not — Coded mode, MC — Coded mode and No — MC — Inter mode in accordance with f — code, describing in terms of f — code frequency obtained by a selected process, measuring a similarity by comparing each f — code frequency with an at least one adjacent f — code frequency, said comparison is performed in such a manner that said similarity is larger when said motion vector is closer to a maximum value and a minimum value of a vector range described by each f — code and a reproduced motion compensation error is larger, and a weighted value is added to a frequency of f — code larger than the releant f — code, and indexing and searching a moving picture using said f — code frequency.
29. The method of claim 28 , wherein said selected step comprises:
a first step of determining whether the MB — Mode is an MC — Mode;
a second step of increasing a counting value (f — code — c[1]) of a counter of f — code 1 and determining whether a current MB is a last MB if the MB — Mode is determined as Inter mode of No — MC mode in said first step;
a third step of selecting the largest X-axis motion vector (mv — x) and the largest Y-axis motion vector (mv — y) as a largest motion vector (max — mv), obtaining a maximum value k of f — code by the selected max — mv/16, increasing the counting value (f — code — c[k]) of the obtained f — counter, and determining whether a current MB is the last MB if MB — Mode is determined as MC — Mode in said first step; and
a fourth step of increasing a number of macro blocks used in a motion feature range and repeatedly performing said first to third steps, and if the current MB is determined as a last MB in said second and third steps, obtaining a frequency of f — code according to the following Equation:
f — code — ratio[k]=f — code — c[k]/TotMBs.
30. A moving picture indexing and searching method using a motion activity describing technique, comprising the steps of:
describing a feature information in terms of a video name and a time stamp and a frequency of Inter mode of No — MC and a frequency of Intra mode of No — MC obtained by a selected process; and indexing and searching a moving picture using said feature information.
31. The method of claim 30 , wherein said selected process comprises:
a first step of determining whether MC — Mode is No — MC mode;
a second step of determining whether said MB — Mode is No — MC — inter mode, if said MC — Mode is determined as No — MC mode in said first step;
a third step of increasing counting value (no — mc — inter) of a counter for counting a frequency of No — MC — Inter mode if said MB — Mode is determined as No — MC — Inter mode and determining whether a current MB is a last MB in said second step, and determining whether MB — Mode is No — MC — Intra mode if said MB — Mode is not determined as No — MC — Inter mode in said second step;
a fourth step of increasing counting value (no — mc — intra) of a counter for counting a frequency of No — MC — Intra mode if said MB — Mode is determined as No — MC — Intra mode in said third step, and determining whether a current MB is a last MB if said MB — Mode is not determined as No — MC — Intra mode; and
a fifth step of increasing number of macro blocks (TotMBs) used in a motion feature range and repeatedly performing said first to fourth steps if said current MB is not determined as a last MB in said third and fourth steps, and if said MB is determined as a last MB in said fourth step, obtaining a frequency (No — MC — Inter — Ratio) of Inter mode of No — MC and a frequency (No — MC — Intra — Ratio) of Intra mode of No — MC according to the following Equations:
No — MC — Inter — Ratio=no — mc — inter/TotMBs
Intra — Ratio=no — mc — intra/TotMBs.