JP2001159927A - 補間方法および補間装置 - Google Patents

補間方法および補間装置

Info

Publication number
JP2001159927A
JP2001159927A JP2000297985A JP2000297985A JP2001159927A JP 2001159927 A JP2001159927 A JP 2001159927A JP 2000297985 A JP2000297985 A JP 2000297985A JP 2000297985 A JP2000297985 A JP 2000297985A JP 2001159927 A JP2001159927 A JP 2001159927A
Authority
JP
Japan
Prior art keywords
input
coefficient
bit
bits
function
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
Application number
JP2000297985A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001159927A5 (https=
Inventor
Eichi Miraa Jiyunia Robaato
ロバート・エイチ・ミラー，ジュニア
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HP Inc
Original Assignee
Hewlett Packard Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JP2001159927A publication Critical patent/JP2001159927A/ja
Publication of JP2001159927A5 publication Critical patent/JP2001159927A5/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/403—Edge-driven scaling; Edge-based scaling

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Complex Calculations (AREA)
JP2000297985A 1999-10-01 2000-09-29 補間方法および補間装置 Pending JP2001159927A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US410409 1999-10-01
US09/410,409 US6549924B1 (en) 1999-10-01 1999-10-01 Function generating interpolation method and apparatus

Publications (2)

Publication Number Publication Date
JP2001159927A true JP2001159927A (ja) 2001-06-12
JP2001159927A5 JP2001159927A5 (https=) 2005-07-07

Family

ID=23624595

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000297985A Pending JP2001159927A (ja) 1999-10-01 2000-09-29 補間方法および補間装置

Country Status (5)

Country Link
US (1) US6549924B1 (https=)
EP (1) EP1089227A3 (https=)
JP (1) JP2001159927A (https=)
KR (1) KR20010067226A (https=)
TW (1) TW484091B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008071336A (ja) * 2006-07-25 2008-03-27 Vivante Corp 同一の技術に基づくｒｃｐ，ｓｑｒｔ，ｅｘｐおよびｌｏｇ関数の単一データパス浮動小数点実行及び少ない待ち時間のｒｃｐ

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6963895B1 (en) * 2000-05-01 2005-11-08 Raza Microelectronics, Inc. Floating point pipeline method and circuit for fast inverse square root calculations
US7266576B2 (en) * 2002-12-24 2007-09-04 Lockheed Martin Corporation Circuits and methods for implementing approximations to logarithms
JP3845636B2 (ja) * 2004-01-21 2006-11-15 株式会社東芝 関数近似値の演算器
CN114326922A (zh) * 2021-11-23 2022-04-12 极芯通讯技术(南京)有限公司 一种数据处理方法及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5184317A (en) * 1989-06-14 1993-02-02 Pickett Lester C Method and apparatus for generating mathematical functions
US5175701A (en) * 1989-07-25 1992-12-29 Eastman Kodak Company System for performing linear interpolation
US5177698A (en) * 1990-07-09 1993-01-05 Eastman Kodak Company Selectable power of two coefficient signal combining circuit
AU3664293A (en) * 1993-02-01 1994-08-29 Pickett, Lester C. Low latency function generating apparatus and method
US5604691A (en) * 1995-01-31 1997-02-18 Motorola, Inc. Logarithm/inverse-logarithm converter utilizing a truncated Taylor series and method of use thereof
US6349319B1 (en) * 1999-01-29 2002-02-19 Sun Microsystems, Inc. Floating point square root and reciprocal square root computation unit in a processor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008071336A (ja) * 2006-07-25 2008-03-27 Vivante Corp 同一の技術に基づくｒｃｐ，ｓｑｒｔ，ｅｘｐおよびｌｏｇ関数の単一データパス浮動小数点実行及び少ない待ち時間のｒｃｐ

Also Published As

Publication number Publication date
TW484091B (en) 2002-04-21
EP1089227A2 (en) 2001-04-04
EP1089227A3 (en) 2004-08-11
US6549924B1 (en) 2003-04-15
KR20010067226A (ko) 2001-07-12

Similar Documents

Publication Publication Date Title
US6055555A (en) Interface for performing parallel arithmetic and round operations
KR100284799B1 (ko) 시프트 수단을 이용한 지수 회로 및 사용 방법
KR19980701803A (ko) 로그/역로그 변환기, 계산 장치 및 로그값 발생 방법
JPH0612229A (ja) 乗累算回路
KR19980701802A (ko) 로그/역로그 변환기, 계산 장치 및 로그값 발생 방법
CA2530015C (en) Division and square root arithmetic unit
US6769006B2 (en) Method and apparatus for calculating a reciprocal
JP2006227939A (ja) 演算装置
JP2001159927A (ja) 補間方法および補間装置
JPH01290035A (ja) 高速乗算器における丸めの方法及び装置
JP3279462B2 (ja) ディジタル乗算器、ディジタルトランスバーサル型等化器及びディジタル積和演算回路
JPH08504046A (ja) 浮動小数点２進数を２進形式における対数に変換しまたはその逆変換をするための装置
JP3563043B2 (ja) 平方根の逆数計算方法、計算回路、及びプログラム
JP4129618B2 (ja) 演算装置及び方法
KR20000066326A (ko) 저전력 곱셈기
JP2002344316A (ja) 非線形量子化装置および非線形量子化方法、並びに非線形量子化プログラム
JP3456450B2 (ja) 固定小数点乗算器および方法
JPH06314979A (ja) ガロア体乗算回路
JP3264603B2 (ja) デジタル信号処理装置
JP2699658B2 (ja) 平方根演算装置
Tisserand Function approximation based on estimated arithmetic operators
JP2004178188A (ja) 演算方法、平方根演算方法、累乗根演算方法、累乗演算方法及びｇ／ｈ乗演算方法
JP2000081968A (ja) 逆数演算装置
JPH09160757A (ja) クランプ付き演算器
JPH0322025A (ja) 指数関数演算装置

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20041102

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20041102

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060627

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20060926

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20060929

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20070302