JPH0260295A - Moving part detecting method - Google Patents
Moving part detecting methodInfo
- Publication number
- JPH0260295A JPH0260295A JP63211440A JP21144088A JPH0260295A JP H0260295 A JPH0260295 A JP H0260295A JP 63211440 A JP63211440 A JP 63211440A JP 21144088 A JP21144088 A JP 21144088A JP H0260295 A JPH0260295 A JP H0260295A
- Authority
- JP
- Japan
- Prior art keywords
- frame
- area
- interest
- image area
- moving image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title description 3
- 238000001514 detection method Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000015654 memory Effects 0.000 description 2
- 229940028444 muse Drugs 0.000 description 2
- GMVPRGQOIOIIMI-DWKJAMRDSA-N prostaglandin E1 Chemical group CCCCC[C@H](O)\C=C\[C@H]1[C@H](O)CC(=O)[C@@H]1CCCCCCC(O)=O GMVPRGQOIOIIMI-DWKJAMRDSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
Landscapes
- Compression Or Coding Systems Of Tv Signals (AREA)
- Television Systems (AREA)
- Complex Calculations (AREA)
- Color Television Systems (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は、テレビジョン映像信号による映像から動き部
分を検出する方法に間する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a method for detecting a moving part from an image based on a television image signal.
［従来の技術］
Ｎ ＨＫが提案している高品位テレビジョン信号多重サ
ブサンプル伝送方式は、Ｍ Ｕ Ｓ Ｅ （Ｍｕｌｔｉ
ｐＩｅ ５ｕｂ−Ｎｙｑｕｉｓｔ Ｓａｍｐｌｉｎｇ
Ｅｎｃｏｄｉｎｇ）方式と呼ばれ、映像の動画領域（動
いている画像部分、即ち、動き部分）と静止画領域（静
止している画像部分）とでは、それらに対応する部分の
映像信号の処理が、ＭＵＳＥエンコーダ及びデコーダに
おいて異なる。このように動画領域と静止画領域とで異
なる処理を行なうためには、映像信号から動画領域を検
出する必要がある。また、現行の標準方式であるＮＴＳ
Ｃ方式のＩ Ｄ Ｔ Ｖ （Ｉｍｐｒｏｖｅｄ Ｄｅｆ
ｉ旧ｔｉｏｎ ＴＶ）でも、映像信号から動画領域を検
出する必要が生じる。[Prior Art] The high-definition television signal multiplex sub-sampled transmission system proposed by NHK is MUSE (Multi
pIe 5ub-Nyquist Sampling
The processing of the video signal of the corresponding parts of the moving image area (moving image part, that is, the moving part) and the still image area (still image part) of the video is called the encoding method. The MUSE encoder and decoder are different. In order to perform different processing for the moving image area and the still image area in this way, it is necessary to detect the moving image area from the video signal. In addition, the current standard method, NTS
C-system IDT V (Improved Def
Even in the case of (old version TV), it is necessary to detect a moving image area from a video signal.
従来の動き部分検出方法では、注目する特定のフレーム
（注目駒）と、この特定フレームに対して時間的に前の
フレーム（比較駒）との相関計算により、動き部分を検
出していた。In the conventional moving part detection method, a moving part is detected by calculating the correlation between a specific frame of interest (frame of interest) and a frame temporally previous to this specific frame (comparison frame).
第３図を参照して、この従来の動き部分検出方法を説明
する。This conventional moving part detection method will be explained with reference to FIG.
第３図において、 （ａ）は、注目駒に対してｌ駒前の
比較駒、即ち、第Ｎ−１番目の駒の映像を示し、また、
（ｂ）は、注目駒、即ち、第Ｎ番目の駒の映像を示す
。なお、デジタル化された映像信号を記憶するフレーム
・メモリを用いることにより、複数の駒の内容を比較で
きる点に留意されたい。In FIG. 3, (a) shows the image of the comparison frame l frame before the frame of interest, that is, the N-1th frame;
(b) shows an image of the frame of interest, that is, the Nth frame. Note that by using a frame memory that stores digitized video signals, the contents of multiple frames can be compared.
これら比較駒Ｎ−１及び注目駒ＮにおけるＡ及びＣの領
域は、静止画領域であり、Ｂ及びＤの領域は、動画領域
である。すなわち、この例では、比較駒Ｎ−１から注目
駒Ｎに移る時間経過の中で、動画領域が、ひし形の領域
Ｂから円の領域りに変化している。また、長方形からひ
し形又は円を除いた静止画領域Ａ及びＣは、例えば背景
であり、変化しない部分である。Areas A and C in comparison frame N-1 and frame of interest N are still image areas, and areas B and D are moving image areas. That is, in this example, the moving image area changes from a diamond-shaped area B to a circular area as time passes from the comparison frame N-1 to the attention frame N. Further, still image areas A and C, which are formed by removing a diamond or a circle from a rectangle, are, for example, backgrounds and are portions that do not change.
従来方法では、比較駒Ｎ−１及び注目駒Ｎの映像に対応
する映像信号の相関計算を行なっている。In the conventional method, a correlation calculation is performed between video signals corresponding to the images of the comparison frame N-1 and the frame of interest N.
この相関計算による結果を第３図（ｃ）に示す。The results of this correlation calculation are shown in FIG. 3(c).
この第３ｔ）！Ｉ （ｃ）において、比較駒Ｎ−１の静
止画領域Ａ及び注目駒Ｎの静止画領域Ｃが重なる領域Ａ
−Ｃ（領ＩＪＡＡ及びＣの論理積）は、有意な相関が検
出されて（例えば、比較駒Ｎ−１と注目駒Ｎとで、同じ
映像内容が検出されて）、静止画領域と判断される。一
方、比較駒Ｎ−１の動画領域Ｂ及び注目駒Ｎの動画領域
りの少なくとも一方が占めた領域Ｂ＋Ｄ （領域Ｂ及び
Ｄの論理和）は、有為な相関が検出されず（例えば、比
較駒Ｎ−１と注目駒Ｎとで、映像内容が異なっており）
、動画領域と判断される。This 3rd t)! In I (c), an area A where the still image area A of comparison frame N-1 and the still image area C of the frame of interest N overlap
-C (logical product of area IJAA and C) is determined to be a still image area because a significant correlation is detected (for example, the same video content is detected between comparison frame N-1 and attention frame N). Ru. On the other hand, no significant correlation is detected in area B+D (logical sum of areas B and D) occupied by at least one of the video area B of the comparison frame N-1 and the video area of the frame of interest N (for example, The video content is different between piece N-1 and the featured piece N.)
, is determined to be a video area.
［発明が解決しようとする課題］
第３図に示した従来方法では、相関計算結果の（ｃ）に
おける斜線領域Ｂ−Ｄ（領域Ｂと、領域り以外との論理
積）は、注目駒Ｎに示す如く、実際には動画領域でない
にもかかわらず、注目駒の動画領域と判断されてしまう
欠点がある。[Problems to be Solved by the Invention] In the conventional method shown in FIG. As shown in FIG. 2, there is a drawback that the frame is determined to be a moving image area of the frame of interest even though it is not actually a moving image area.
したがって本発明の目的は、上述の従来技術の欠点を解
決し、動画領域をより忠実に検出できる動き部分検出方
法の提供にある。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a moving part detection method that can solve the above-mentioned drawbacks of the prior art and detect moving image areas more faithfully.
［課題を解決するための手段］
本発明の動き部分検出方法によれば、注目駒と、この注
目駒に対して時間的に前後の複数の比較駒との間で、相
関計算により複数の動画領域候補を検出し、これら複数
の動画領域候補から注目駒の動画領域を求める。[Means for Solving the Problems] According to the moving part detection method of the present invention, a plurality of moving images are calculated by correlation calculation between a frame of interest and a plurality of comparison frames temporally before and after the frame of interest. Area candidates are detected, and the moving image area of the frame of interest is determined from these plural moving image area candidates.
［作 用コ
本発明では、比較駒を、従来技術と異なり、注目駒の直
前の駒のみではなく、注目駒の前後の複数の駒としてい
る。よって、複数の動画領域候補が得られる。これら複
数の動画領域候補から動画領域を求めることにより、注
目駒における動画領域がより忠実に検出できる。[Operations] In the present invention, unlike the prior art, the pieces to be compared are not only the piece immediately before the piece of interest, but a plurality of pieces before and after the piece of interest. Therefore, a plurality of moving image area candidates are obtained. By determining the video area from these multiple video area candidates, the video area at the frame of interest can be detected more faithfully.
［実 施 例］
第１図を参照して、本発明の動き部分検出方法の好適な
実施例を説明する。[Example] A preferred example of the moving part detection method of the present invention will be described with reference to FIG.
第１図において、 （ａ）は、注目駒に対してｌ駒前の
比較駒、即ち、第Ｎ−１＠目の駒の映像を示し、また、
（ｂ）は、注目駒、即ち、第Ｎ番目の駒の映像を示し
、 （Ｃ）は、注目駒に対してｌ駒後の比較駒、即ち、
第Ｎ＋１番目の駒の映像を示す。なお、本発明では、複
数のフレーム・メモリを用いることにより、複数の駒の
内容を比較できる点に留意されたい。In FIG. 1, (a) shows the image of the comparison frame l frame before the frame of interest, that is, the N-1@th frame, and
(b) shows the image of the frame of interest, that is, the Nth frame, and (C) shows the comparison frame l frame after the frame of interest, that is,
The image of the N+1th piece is shown. Note that in the present invention, by using a plurality of frame memories, the contents of a plurality of pieces can be compared.
これら比較駒Ｎ−１及びＮ＋１並びに注目駒Ｎにおける
領域Ａ、 Ｃ及びＥは、静止画領域であり、また領域
Ｂ、 Ｄ及びＦは、動画領域である。すなわち、この
実施例では、比較駒Ｎ−１から注目駒Ｎに、そして比較
駒Ｎ＋１に移る時間経過の中で、動画領域が、ひし形の
領域Ｂから円の領域りに、そして三角形の領域Ｆに変化
している。また、長方形からひし形、円又は三角形を除
いた静止画領域Ａ、 Ｃ及びＥは、例えば背景であり
、変化しない部分である。Areas A, C, and E in these comparison frames N-1 and N+1 and the frame of interest N are still image areas, and areas B, D, and F are moving image areas. That is, in this embodiment, during the time lapse from the comparison frame N-1 to the target frame N and then to the comparison frame N+1, the moving image area changes from a diamond-shaped area B to a circular area and then to a triangular area F. is changing. Further, still image areas A, C, and E, which are formed by removing a diamond, circle, or triangle from a rectangle, are backgrounds, for example, and are portions that do not change.
本発明では、先ず、比較駒Ｎ’−１及び注目駒Ｎの映像
に対応する映像信号の相関計算を行なう。In the present invention, first, a correlation calculation is performed between video signals corresponding to the images of the comparison frame N'-1 and the frame of interest N.
この相関計算による結果を第１図（ｄ）に示す。The results of this correlation calculation are shown in FIG. 1(d).
この第１図（ｄ）において、比較駒Ｎ−１の静止画領域
Ａ及び注目駒Ｎの静止画領域Ｃが重なる領域Ａ−Ｃ（領
域Ａ及びＣの論理積）は、有意な相関が検出されて（例
えば、比較駒Ｎ−１と注目駒Ｎとで、同じ映像内容が検
出されて）、静止画領域と判断される。一方、比較駒Ｎ
−１の動画領域Ｂ及び注目駒Ｎの動画領域りの少なくと
も一方が占めた領域Ｂ十Ｄ （領域Ｂ及びＤの論理和）
は、有意な、相関が検出されず（例えば、比較駒Ｎ−１
と注目駒Ｎとで、映像内容が異なっており）、動面領域
候補と判断される。In FIG. 1(d), a significant correlation is detected in area A-C (logical product of areas A and C) where still image area A of comparison frame N-1 and still image area C of target frame N overlap. (for example, the same video content is detected in the comparison frame N-1 and the frame of interest N), and the area is determined to be a still image area. On the other hand, comparison piece N
Area B~D occupied by at least one of the video area B of −1 and the video area of the frame of interest N (logical sum of areas B and D)
No significant correlation was detected (for example, comparison piece N-1
and the frame of interest N have different video contents), and are determined to be moving surface area candidates.
次に、比較駒Ｎ＋１及び注目駒Ｎの映像に対応する映像
信号の相関計算を行なう。この相関計算による結果を第
１図（ｅ）に示す。Next, a correlation calculation is performed between the video signals corresponding to the images of the comparison frame N+1 and the frame of interest N. The results of this correlation calculation are shown in FIG. 1(e).
この第１図（ｅ）において、比較駒Ｎ＋１の静止画領域
Ｅ及び注目駒Ｎの静止画領域Ｃが重なる領域Ｃ−Ｅ（領
域Ｃ及びＥの論理積）は、有意な相関が検出されて、静
止画領域と判断される。−方、比較駒Ｎ＋１の動画領域
Ｆ及び注目駒Ｎの動画領域りの少なくとも一方が占めた
領域Ｄ＋Ｆ （領域り及びＦの論理和）は、有意な相関
が検出されず動画領域候補と判断される。In FIG. 1(e), a significant correlation has been detected in the area C-E (logical product of areas C and E) where the still image area E of the comparison frame N+1 and the still image area C of the frame of interest N overlap. , is determined to be a still image area. On the other hand, no significant correlation was detected in area D+F (logical sum of area and F) occupied by at least one of video area F of comparison frame N+1 and video area 1 of frame N of interest, and it was determined to be a video area candidate. Ru.
第１図（ｄ）及び（ｅ）に示すように、注目駒と１つの
比較駒との間での相関計算においては、従来技術と同様
に、斜線部分の領域Ｂφ口（領域Ｂと、領域り以外との
論理積）及びＵ−Ｆ （領域り以外と領域Ｆとの論理積
）は、注目駒Ｎにおいて静止画領域にもかかわらず、動
画領域候補として検出されている。As shown in FIGS. 1(d) and (e), in the correlation calculation between the piece of interest and one comparison piece, as in the prior art, the shaded area Bφ (area B and area (logical product with area other than ri) and U-F (logical product with area other than ri and area F) are detected as moving image area candidates in the frame of interest N, even though it is a still image area.
しかし、本発明では、 （ｄ）及び（ｅ）の動画領域候
補の論理積を求めると、第１図（ｆ）に示すようになる
。すなわち、注目駒Ｎの動画領域りのみが動画領域とし
て検出される。よって、動画領域をより忠実に検出でき
ることが理解できよう。However, in the present invention, when the logical product of the moving image area candidates in (d) and (e) is calculated, the result is as shown in FIG. 1(f). That is, only the moving image area of the frame of interest N is detected as a moving image area. Therefore, it can be understood that the moving image area can be detected more faithfully.
上述の実施例においては、注目駒と、この注目駒に対し
て時間的に直前及び直後の２つの駒との間の相関計算に
より、２つの動画領域候補を検出し、これらの論理積を
求めた。しかし、更に注目駒Ｎから時間的にｍ駒（ｍ＝
２．３．４・・・）離れた第Ｎ上ｍ番目の駒間での動画
領域候補との論理積をとるようにしてもよい。In the above embodiment, two moving image area candidates are detected by calculating the correlation between the frame of interest and the two frames temporally immediately before and after the frame of interest, and the logical product of these is calculated. Ta. However, furthermore, m pieces (m=
2.3.4...) It is also possible to perform a logical product with a moving image area candidate between the m-th frame on the N-th frame that is far apart.
また、論理積に限らず、第２図に示すように注目駒Ｎと
、この注目駒Ｎから時間的に±１駒及び±２駒離れた比
較駒Ｎ±１及びＮ＋２との相関計算により検出した４つ
の動画領域候補の内、３つ以上に共通する領域を注目駒
の動画領域としてもよい。In addition, the detection is not limited to the logical product, but is also detected by calculating the correlation between the noticed piece N and comparison pieces N±1 and N+2, which are temporally separated by ±1 piece and ±2 pieces from the noticed piece N, as shown in Figure 2. An area common to three or more of the four moving image area candidates may be set as the moving image area of the frame of interest.
すなわち、第２図において、アンド・ゲート１０は、Ｎ
−２駒との動画領域候補、Ｎ−１駒との動画領域候補及
びＮ＋１との動画領域候補との論理積を求める。また、
アンド・ゲート１２は、Ｎ−２駒との動画領域候補、Ｎ
−１駒との動画領域候補及びＮ＋２との動画領域候補と
の論理積を求める。さらに、アント◆ゲート１４は、Ｎ
−２駒との動画領域候補、Ｎ＋１駒との動画領域候補及
びＮ＋２との動画領域候補との論理積を求める。That is, in FIG. 2, the AND gate 10 has N
The AND of the moving image area candidates with -2 frames, the moving image area candidates with N-1 frames, and the moving image area candidates with N+1 is calculated. Also,
AND gate 12 is a video area candidate with N-2 frames, N
The logical AND of the moving image area candidate with frame −1 and the moving image area candidate with N+2 is calculated. Furthermore, the ant◆gate 14 is N
The logical product of the moving image area candidates with -2 frames, the moving image area candidates with N+1 frames, and the moving image area candidates with N+2 frames is calculated.
そして、アンド・ゲート１６は、Ｎ−１駒との動画領域
候補、Ｎ＋１駒との動画領域候補及びＮ＋２との動画領
域候補との論理積を求める。最後に、オア・ゲート１日
は、アンド・ゲー）１０〜１６の論理積結果の論理和を
求めて、注目駒Ｎの動画領域とする。Then, the AND gate 16 calculates the logical product of the moving image area candidate with the N-1 frame, the moving image area candidate with the N+1 frame, and the moving image area candidate with N+2. Finally, on the 1st day of ORGATE, the logical sum of the AND results of AND GAME) 10 to 16 is calculated, and the result is set as the moving image area of the frame of interest N.
このような第２図に示す実施例によれば、注目駒Ｎの動
画領域を静止画領域と誤って検出する可能性を非常に低
くできる。According to the embodiment shown in FIG. 2, the possibility that the moving image area of the frame of interest N is mistakenly detected as a still image area can be extremely reduced.
［発明の効果〕
上述の如く本発明の動き部分検出方法によれば、テレビ
ジョン画像の静止画領域を誤って動画領域（動き部分）
として検出する可能性が低くなり、動画領域をより正確
に検出できる。よりて、本発明を用いれば、高品位テレ
ビジョン信号再生において、画像をより忠実に再現する
ことができる。[Effects of the Invention] As described above, according to the moving part detection method of the present invention, a still image area of a television image can be mistakenly replaced with a moving image area (moving part).
This reduces the possibility of detection as a result, and enables more accurate detection of moving image areas. Therefore, by using the present invention, images can be reproduced more faithfully in high-definition television signal reproduction.
また、現行のＮＴＳＣ方式におけるＩ ＤＴＶにも、本
発明を有効に用いることができる。Furthermore, the present invention can be effectively used for IDTV in the current NTSC system.
第１図は本発明の好適な一実施例の原理を説明するため
の画像を示す図、第２図は本発明の他の実施例を実現す
るためのブロック図、第３図は従来技術の原理を説明す
るための画像を示す図である。
Ｎ・・・注目駒
Ｎ＋１、Ｎ−１・・・比較駒FIG. 1 is a diagram showing an image for explaining the principle of a preferred embodiment of the present invention, FIG. 2 is a block diagram for realizing another embodiment of the present invention, and FIG. 3 is a diagram of a conventional technology. FIG. 3 is a diagram showing an image for explaining the principle. N...Attention piece N+1, N-1...Comparison piece
Claims (1)
駒との間で、相関計算により複数の動画領域候補を検出
し、 該複数の動画領域候補から上記注目駒の動画領域を求め
ることを特徴とする動き部分検出方法。[Claims] A plurality of video region candidates are detected by correlation calculation between a frame of interest and a plurality of comparison frames temporally before and after the frame of interest, and the above-mentioned video region candidates are detected from the plurality of video region candidates. A moving part detection method characterized by finding a video area of a frame of interest.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63211440A JPH0260295A (en) | 1988-08-25 | 1988-08-25 | Moving part detecting method |
| KR1019890011291A KR930003574B1 (en) | 1988-08-25 | 1989-08-08 | Moving detecting method of video signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63211440A JPH0260295A (en) | 1988-08-25 | 1988-08-25 | Moving part detecting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0260295A true JPH0260295A (en) | 1990-02-28 |
Family
ID=16605991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63211440A Pending JPH0260295A (en) | 1988-08-25 | 1988-08-25 | Moving part detecting method |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0260295A (en) |
| KR (1) | KR930003574B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0712573A1 (en) | 1994-11-18 | 1996-05-22 | Ryobi Ltd. | Spinning reel |
| US6082650A (en) * | 1996-01-31 | 2000-07-04 | Ryobi Limited | Spinning fishing reel having a uniform longitudinal spool movement |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61150481A (en) * | 1984-12-24 | 1986-07-09 | Nec Corp | Method and device for inter-frame estimated coding system of animation signal |
| JPS62213494A (en) * | 1986-03-14 | 1987-09-19 | Kokusai Denshin Denwa Co Ltd <Kdd> | Motion compensation system for animation picture signal |
-
1988
- 1988-08-25 JP JP63211440A patent/JPH0260295A/en active Pending
-
1989
- 1989-08-08 KR KR1019890011291A patent/KR930003574B1/en not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61150481A (en) * | 1984-12-24 | 1986-07-09 | Nec Corp | Method and device for inter-frame estimated coding system of animation signal |
| JPS62213494A (en) * | 1986-03-14 | 1987-09-19 | Kokusai Denshin Denwa Co Ltd <Kdd> | Motion compensation system for animation picture signal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0712573A1 (en) | 1994-11-18 | 1996-05-22 | Ryobi Ltd. | Spinning reel |
| US6082650A (en) * | 1996-01-31 | 2000-07-04 | Ryobi Limited | Spinning fishing reel having a uniform longitudinal spool movement |
Also Published As
| Publication number | Publication date |
|---|---|
| KR930003574B1 (en) | 1993-05-06 |
| KR900004196A (en) | 1990-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR0151410B1 (en) | Motion vector detecting method of image signal | |
| US5097521A (en) | Method of concealing scratch errors in a video signal derived from a film scanner | |
| US6700622B2 (en) | Method and apparatus for detecting the source format of video images | |
| US4426661A (en) | Television receiver including a circuit for doubling line scanning frequency | |
| US4661853A (en) | Interfield image motion detector for video signals | |
| US4933759A (en) | Method of and arrangement for motion detection in an interlaced television picture obtained after film-to-television conversion | |
| US5221966A (en) | Video signal production from cinefilm originated material | |
| US4998287A (en) | Determination of sequential positions of video fields derived from film | |
| US4853765A (en) | Sequential scanning converter with frame comb filter and freeze frame feature | |
| US4639773A (en) | Apparatus for detecting motion in a video image by comparison of a video line value with an interpolated value | |
| EP0395273A3 (en) | Motion dependent video signal processing | |
| US4737850A (en) | Apparatus for noise reducing composite video signal | |
| JPH0260295A (en) | Moving part detecting method | |
| JP2894962B2 (en) | Motion vector detection device | |
| JPH0462234B2 (en) | ||
| JP2907663B2 (en) | Motion vector detection method | |
| JPS6225587A (en) | Detector circuit for moving vector | |
| KR930000953B1 (en) | Circuit for reproducing tv-signals | |
| JP2006510267A (en) | Method for recognizing film and video occurring simultaneously in a television field | |
| JPH1049682A (en) | Character appearing frame extracting device | |
| JP2600884B2 (en) | Television receiver | |
| JPH0683440B2 (en) | Motion detection device for television signals | |
| KR930010930B1 (en) | Moving picture compensating circuit | |
| JP2001285873A (en) | Circuit and method for detecting movement vector | |
| JPH0741268Y2 (en) | Frame image data processing device |