국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0938203
(2001-08-23)
|
우선권정보 |
JP-0254549 (2000-08-24) |
발명자
/ 주소 |
- Yamaguchi, Motoshi
- Ichikawa, Tsutomu
- Akamatsu, Norihiko
- Tsujimura, Ichiro
- Hasegawa, Yasushi
- Nakamaru, Akio
|
출원인 / 주소 |
|
대리인 / 주소 |
Sidley Austin Brown & Wood LLP
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
4 |
초록
▼
In a camera having an automatic flash light control system, a quantity of flash light illuminating an object is restricted by a value as an upper limit or a lower limit which is calculated by a distance to the object and an aperture value of a taking lens. When there is any factor for affecting the
In a camera having an automatic flash light control system, a quantity of flash light illuminating an object is restricted by a value as an upper limit or a lower limit which is calculated by a distance to the object and an aperture value of a taking lens. When there is any factor for affecting the calculation of the value such as a high reflectance of the object, a specific lens system of the taking lens and a position of the flashing unit with respect to the camera, the limit value is compensated or the restriction by the value is release. When the flash light control has completed, the flash light control mode is distinguished by indication manner corresponding to the result of the actual flash light control.
대표청구항
▼
In a camera having an automatic flash light control system, a quantity of flash light illuminating an object is restricted by a value as an upper limit or a lower limit which is calculated by a distance to the object and an aperture value of a taking lens. When there is any factor for affecting the
In a camera having an automatic flash light control system, a quantity of flash light illuminating an object is restricted by a value as an upper limit or a lower limit which is calculated by a distance to the object and an aperture value of a taking lens. When there is any factor for affecting the calculation of the value such as a high reflectance of the object, a specific lens system of the taking lens and a position of the flashing unit with respect to the camera, the limit value is compensated or the restriction by the value is release. When the flash light control has completed, the flash light control mode is distinguished by indication manner corresponding to the result of the actual flash light control. 5/035; US-5452122, 19950900, Tsuneda et al., 359/281; US-5969849, 19991000, Chen, 359/304; US-6168319, 20010100, Francis, 385/055; US-6275336, 20010800, Yoshikawa et al., 359/484; US-6421176, 20020700, Takahashi et al., 359/281; US-6480636, 20021100, Satoh et al., 385/011 s a significant pixel inside the arbitrarily shaped object, and a texture signal indicating a pixel texture value of a pixel inside the arbitrarily shaped object, the decoder comprising: decoding means for decoding the compressed texture signal and the compressed shape signal in order to produce a reproduced block, and padding means for padding a pixel texture value of an insignificant pixel contained within the reproduced block, wherein the reproduced block padded at the padding means is stored in a memory wherein, the padding means comprises a boundary block padding means and a first exterior block padding means, the boundary block padding means pads a pixel texture value of an insignificant pixel within the reproduced block, when the reproduced block is a boundary block lying on an arbitrarily shaped object boundary, using a pixel texture value generated from a pixel texture value of a significant pixel on the arbitrarily shaped object boundary, and the first exterior block padding means pads a pixel texture value within the reproduced block, when the reproduced block is a first exterior block including no significant pixel, using a pixel texture value at a block boundary of the boundary block, wherein the pixel texture values of all insignificant pixels within the boundary block are padded at the means of padding the pixel texture value of the insignificant pixel within the boundary block, the first exterior block is immediately adjacent to the boundary block. 5. A method for padding a pixel texture value on a block base, wherein an arbitrarily shaped object image comprises a shape signal indicating whether a pixel is an insignificant pixel outside an arbitrarily shaped object or is a significant pixel inside the arbitrarily shaped object, and a texture signal indicating the pixel texture value of the arbitrarily shaped object, comprising: padding a pixel texture value of an insignificant pixel within a boundary block that is a block lying on an arbitrarily shaped object boundary, using a pixel texture value generated from a pixel texture value of a significant pixel on the arbitrarily shaped object boundary; and padding a pixel texture value within a first exterior block that is a block including no significant pixel, using a pixel texture value at a block boundary of the boundary block, wherein the pixel texture values of all insignificant pixels within the boundary block are padded at the step of padding the pixel texture value of the insignificant pixel within the boundary block, the first exterior block is immediately adjacent to the boundary block.
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