TW488159B - Picture signal processing - Google Patents
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- TW488159B TW488159B TW089112384A TW89112384A TW488159B TW 488159 B TW488159 B TW 488159B TW 089112384 A TW089112384 A TW 089112384A TW 89112384 A TW89112384 A TW 89112384A TW 488159 B TW488159 B TW 488159B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—Embedding additional information in the video signal during the compression process
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4135—Peripherals receiving signals from specially adapted client devices external recorder
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4318—Generation of visual interfaces for content selection or interaction; Content or additional data rendering by altering the content in the rendering process, e.g. blanking, blurring or masking an image region
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Television Signal Processing For Recording (AREA)
- Picture Signal Circuits (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Television Systems (AREA)
Description
488159 91· 1· 18'修正 第89112384號專利申請案 中文說明書修正頁(91年1月) 五、發明説明(彳) 本發明與圖像信號處理方法與裝置、圖像信號供應方法 與裝置、電視接收機、記錄回放器及圖像信號接收機有 關。 目前已知使用在mpeg解碼器及後處理電路中所發送做 為MPEG信號一部分之運動向量來增強mpeg解碼器之輪 出信號’例如使場率加倍。參看WO-A-97/46022,第五節 (律師案號PHN 16.112)。 本發明目的之一為提供改良之圖像信號處理。為達此目 的,本發明提供如申請專利範圍内所述之圖像信號處理方 法與裝置、圖像信號供應方法與裝置、電視接收機、記錄 回放器與圖像信號接收機。 求 在本發明之圖像信號處理方法中,一類比圖像信號根據 與孩類比圖像信號有關且與該類比圖像信號連同收到之品 質顯示被加以處理。該類比圖像信號最好是將一數位圖= 信號解碼而獲得且該數位圖像信號是以一種位元率與/或 壓縮比與/或量化位準編碼而獲得,其中之品質顯示即是 孩位元率與/或壓.縮比與/或量化位準與/或有關編碼或解 碼之其他資訊。 參照下文中所述之實例即會明瞭本發明之各方面。 圖式之簡單說明: 附圖所示之構態包括依照本發 国你a咕 月〈(DVD) C錄回放器、 圖像信唬接收機(機頂E式)及電视接收機之實例。 圖式元件符號說明: A 2 天線 -4 本紙張尺度適财國國家標準(CNS) Μ規格(21Q χ 297公无_ 488159
第89112384號專利申請案 中文說明書修正頁(91年1月) A7 __ __B7 五、發明説明(1a ) APS 1 第一類比圖像信號 APS2 第二類比圖像信號 DD 顯示裝置 DEC 1 解碼器 DEC2 解碼器 DVD 數位影音光碟 PSC 圖像信號控制 PSP 圖像信號處理 QI1 第一品質顯示 QI2 弟二品質顯不 RP 記錄回放器 SI 開關 S2 開關 SC 智慧卡 TV 電視接收機 一記錄回放器RP包括一解碼器DEC1 (諸如MPEG解碼器 或其他代用品)用於將從一諸如數位影音光碟(DVD)之儲 存介體中擷取之數位圖像信號加以解碼。其他數位記錄介 4a -
488159 五、發明說明(2) 體諸如磁帶亦可爲代用品。該記錄回放器尺卩可有一天線 輸入來接收數位圖像信號。以此種方式,解碼器0£(31可 用於儲存之信號及自空中(或電纜)收到之信號。 按照本發明,解碼器DEC1不僅供應被解碼之第一類比 圖像信號APS1並且供應與第一類比圖像信號Apsi相對應 之第一品質顯TF QI1。第一品質顯示Q J i最好是該數位圖 像信號被編碼之位元率與/或壓縮比與/或量化位準與/或 關於編碼或解碼之其他資訊,諸如當有缺陷者未被使用時 經由逆向量化處理之壓縮位準與/或量化器矩陣等資訊(就 在内與不在内之圖像而言)與/或當發生錯誤時内部直流精 度與/或資訊等。 附圖亦顯示一機頂匣式圖像信號接收機STB含有一用於 白卡S C之碩取器及一與解碼器DEC1對應之解碼器 DEC2將自天線A 2或電纜收到之數位圖像信號加以解碼。 解碼器DEC2供應一第二類比圖像信號ApS2及一對應之第 一品質顯示QI2。 電視接收機T V含有用於類比圖像信號APS1與aPS2及對 應之品質顯示QI1與QI2。記錄回放器Rp與電視機T v間之 連接可使用熟知之SCART電纜來並聯傳輸類比圖像信號· APS1與APS2及對應之品質顯示QI1與qI2或使用諸如usbU _聯連接。另一種選擇是品質顯示QI1與QI2可在對應之 類比圖像信號APS1與APS2内部傳輸,例如在類比圖像信 號APS1與APS2之電文線内。開關S1選擇第一類比圖像信 號APS1或第二類比圖像信號APS2而獲得選定之類比圖像 -5- 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) ------ (請先閱讀背面之注音?事項再填寫本頁) Φ 經濟部智慧財產局員工消費合作社印製 I - I-------I------— II - — II----- 488159 A7 五、發明說明( 信號開關S2選擇第一品質顯示Qn或第二品質顯示 而獲得選定之品質顯示。開關81與§2可屬於第一之電子 開關。選足之類比圖像信號須加以圖像信號處理,諸 如將之峰化之圖像信號增強作業、減少雜音之作業、減 MPEG人工品之作業、檢化作業或直方圖作業。圖像信號 ,理川由圖像信號控制器根據選定之類比圖像信號及選 定之品質顯示來控制。經過處 示裝置dd上。 冑里™㈣被顯示在顯 本發明所根據之認知是連同類比圖像信號發送—品質顯 不可使電視機確定來源材料之特徵而選定演算法。對俨號 作更適當之處理會有較佳之圖像品質'给圖像信號處理器 所需要之資訊可使其作適當之最佳化而防止其對已夠好之 圖=佳1 匕或以錯誤方式進行最佳化。例如,若類比圖像 2印貝低劣’因為自其中揭取該類比圖像信號之數位圖像 #號:來就是以低量化位準、低位元率與/或高壓縮比編 碼:成,、假如以學化或直方圖作業來改善銳度與比只會使 ρ斷:生《人工更為明_。所以若品質顯示指出品質低 =取好關掉峰化作業。另-方面,低品質信號所呈現之 蚊蟲策骨可根據品質顯示適當調整屬於圖像信號處理psp 了刀:減少雜音作業而將之減少。電视機可有不同之信 唬源而有不同之信號品質(可能為動態改變)。在實例中, 電視機有兩個輸入(APS1,QI1)與(aps2,qi2),但就本 發明《利盈而言系統中並無必要有兩個信號源。 應知上述實例僅係舉例說明本發明而本發明並非僅限於 6 - 本紙張尺度適用T關家標準(CNS)A4規格( χ 297公爱厂 (請先閱讀背面之注意事項再填寫本頁) ----— 1--訂---- 經濟部智慧財產局員工消費合作社印製 線-·____________________ 488159 A7 4 五、發明說明( 此=之實例,熟於此項技術者只要不脱離申請專利之範圍 仍旎设计出甚多不同實例。^ .相游、、,& 口己綠回放斋RP可有錄製設 、像(崎回放器應含有任何能對錄製之數位圖像信 唬回放與解碼而獲得類比圖像信號之裝置另加對應之。所 顯示。_在中請專利範圍中括狐内之任何參考符號=得解^ ::Ιί專利範圍之限制。「含有」(或包括)-詞並不排 除申請專利範圍所列舉以外之元件或步驟。本説明中對元 件(早數冠職不排除複數之元件。本發明可藉含有 特殊元件之硬體及有適當程式之電腦來實施。在關於裝置 之申請專利範圍中列有若干裝置而若干此等裝置可合併爲 -個相同之硬體項目。某些措施列舉於互有關連之不同申 請專利範園内並不顯示此等措施不可加以統合而作有利之 使用。 經濟部智慧財產局員工消費合作社印製
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Claims (1)
- 488159 A B c D第891丨2384號專利申請案 中文申請專利範圍修正本(91年1月) 六、申請專利範圍 1. 一種圖像信號處理方法,包括下述步驟: 接收一類比圖像信號(APS 1,APS2)及一品質顯示 (QI1,QI2);及 隨著品質顯示(QI1,QI2)而處理(PSP)類比圖像信號 (APS1,APS2)。 2. 如申請專利範圍第1項之方法,其中之處理步驟包拾圖 像增強作業(PSP)。 3. 如申請專利範圍第2項之方法,其中之圖像增強作業 (PSP)為一改善銳度與/或對比之作業。 4·如申請專利範圍第2項之方法,其中之圖像增強作業 (P S P )為一減少雜音或減少解碼人工品之作業。 5. 如申請專利範圍第1項之方法,其中之類比圖像信號 (AP S 1 ’ AP S2 )是將一個以一種位元率與/或壓縮比與/咬 量化位準編碼之數位圖像信號加以解碼而獲得,其中之 品質顯示(QI1,QI2)即是該位元率與/或壓縮比與/或量 化位準與/或關於編碼或解碼之其他資訊。 6. —種圖像信號處理裝置,含有: 接收一類比圖像信號(APS 1,APS2)及與該類比圖像信 號有關之品質顯示(QI1,QI2)之輸入裝置;及 一根據品質顯示(QI1,QI2)來處理類比圖像信號 (APS1,APS2)之圖像處理裝置(PSP), 藉此依據由該品質顯示(QI1,QI2)所決定之該類比 圖像信號(A P S 1,A P S 2 )之特性,實施一處理演算法之 選定,用以處理該類比圖像信號(APS 1,APS2)。 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐) 六、申請專利範圍 7. —種電視接收機(τν),含有· 一個如申請專利範圍第6項中所述之圖像信號處理裝 置(P S P )來提供經過處理之圖像信號;及 一用於顯示經過處理圖像信號之顯示裝置(D d )。 8· —種圖像信號供應方法,包括下述步驟: 供應一類比圖像信號(APS1,APS2);及 供應一與該類比信號(APS 1,APS2)有關之品質顯示 ( QI1,QI2” 9·如申請專利範圍第8項之方法,其中之類比信號(Aps j, APS2 )是將以一種位元率與/或壓縮比與/或量化位準編 碼之數位圖像信號加以解碼而獲得,其中之品質顯示 (QI1 , QI2)即是該位元率與/或壓縮比與/或量化位準與/ 或關於編碼或解碼之其他資訊。 10· —種圖像信號供應裝置,含有·· 用於供應類比圖像信號(APS 1,APS2 )之裝置;及 用於供應與該類比圖像信號(Apsi,APS2 )有關之品質 顯示(QI1,QI2)。 11·如申請專利範圍第i 〇項之圖像信號供應裝置,更含有· 用於將以一種位元率與/或壓縮比與/或量化位準編确 之數位圖像信號加以解碼而提供類比圖像信號(APS i ·, APS2)之裝置(DEC1,dEC2),品質顯示(Qn ,qi2)_ 是該位元率與/或壓縮比與/或量化位準與/或關於 解碼之其他資訊。 '編馬或 12· 一種記錄回放器(R P ),含有: 488159 8 8 8 8 A B c D 91年 8 LIT -户: 一多·、Η :; 々、申請專利範圍 自一記錄(DVD )擷取數位圖像信號之裝置;及 一如申請專利範圍第1 1項所述之圖像信號供應裝置 (DEC1)。 13. —種圖像信號接收機(STB ),含有: 用於接收數位圖像信號之裝置(A 2 );及 一如申請專利範圍第1 1項所述之圖像信號供應裝置 (DEC2)。 -3- 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP99307734A EP1091576A1 (en) | 1999-09-30 | 1999-09-30 | Picture signal processing |
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TW488159B true TW488159B (en) | 2002-05-21 |
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TW089112384A TW488159B (en) | 1999-09-30 | 2000-06-23 | Picture signal processing |
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US (1) | US7248302B1 (zh) |
EP (2) | EP1091576A1 (zh) |
JP (1) | JP2003510980A (zh) |
KR (1) | KR100762721B1 (zh) |
CN (1) | CN1193604C (zh) |
BR (1) | BR0007173A (zh) |
HK (1) | HK1040865A1 (zh) |
TW (1) | TW488159B (zh) |
WO (1) | WO2001024520A1 (zh) |
Cited By (1)
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US8345161B2 (en) | 2005-03-31 | 2013-01-01 | Sharp Kabushiki Kaisha | Signal processing device, and image output device |
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JP3163830B2 (ja) * | 1993-03-29 | 2001-05-08 | ソニー株式会社 | 画像信号伝送方法及び装置 |
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US5684540A (en) * | 1994-08-08 | 1997-11-04 | Matsushita Electric Industrial Co., Ltd. | Video signal decoding apparatus for use with varying helper signal levels |
EP0896773B1 (en) * | 1996-05-01 | 2003-11-12 | Koninklijke Philips Electronics N.V. | Television signal comprising additional data |
EP0840982B1 (en) | 1996-05-24 | 2002-02-13 | Koninklijke Philips Electronics N.V. | Motion estimation |
JP3528480B2 (ja) * | 1996-11-19 | 2004-05-17 | ソニー株式会社 | Epg機器及びその制御方法 |
US6437829B1 (en) * | 1997-01-16 | 2002-08-20 | Display Laboratories, Inc. | Alignment of cathode ray tube displays using a video graphics controller |
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-
1999
- 1999-09-30 EP EP99307734A patent/EP1091576A1/en not_active Withdrawn
-
2000
- 2000-06-23 TW TW089112384A patent/TW488159B/zh not_active IP Right Cessation
- 2000-09-26 KR KR1020017006753A patent/KR100762721B1/ko not_active IP Right Cessation
- 2000-09-26 JP JP2001527564A patent/JP2003510980A/ja active Pending
- 2000-09-26 CN CNB008020957A patent/CN1193604C/zh not_active Expired - Fee Related
- 2000-09-26 BR BR0007173-0A patent/BR0007173A/pt not_active IP Right Cessation
- 2000-09-26 EP EP00969324A patent/EP1135930A1/en not_active Withdrawn
- 2000-09-26 WO PCT/EP2000/009481 patent/WO2001024520A1/en active Application Filing
- 2000-09-29 US US09/675,251 patent/US7248302B1/en not_active Expired - Fee Related
-
2002
- 2002-03-21 HK HK02102148.5A patent/HK1040865A1/zh unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8345161B2 (en) | 2005-03-31 | 2013-01-01 | Sharp Kabushiki Kaisha | Signal processing device, and image output device |
Also Published As
Publication number | Publication date |
---|---|
EP1135930A1 (en) | 2001-09-26 |
BR0007173A (pt) | 2001-09-04 |
CN1322436A (zh) | 2001-11-14 |
KR100762721B1 (ko) | 2007-10-09 |
EP1091576A1 (en) | 2001-04-11 |
JP2003510980A (ja) | 2003-03-18 |
HK1040865A1 (zh) | 2002-06-21 |
KR20010080632A (ko) | 2001-08-22 |
WO2001024520A1 (en) | 2001-04-05 |
US7248302B1 (en) | 2007-07-24 |
CN1193604C (zh) | 2005-03-16 |
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