書誌事項
- タイトル別名
-
- Focus-Aid Signal for Super Hi-Vision Camera
- スーパーハイビジョンカメラヨウ フォーカス ホジョ シンゴウ
この論文をさがす
抄録
In the current Super Hi-Vision (SHV) camera system, a camera operator has difficulty in finding the best focus because the resolution of SHV video is extremely high compared to that of the viewfinder (VF). Therefore, a video engineer adjusts the lens focus on a high-resolution monitor on a remote site. We propose a focus-aid signal that enables a low-resolution VF to be used to focus the SHV. The signal is generated from the high spatial frequency components of an SHV video and mixed with an VF video. We first discuss the difficulty of focusing the SHV camera on the basis of the MTF calculation including the lens defocus. We then simulated the focus-aid signal generation by using an SHV video and evaluated the property of the generated signal. We finally developed a prototype focus-aid signal generator and the results of our experiments show that the signal provided good focus in an SHV system.
収録刊行物
-
- 映像情報メディア学会誌
-
映像情報メディア学会誌 65 (4), 531-539, 2011
一般社団法人 映像情報メディア学会
- Tweet
キーワード
詳細情報 詳細情報について
-
- CRID
- 1390001205128144512
-
- NII論文ID
- 10028108805
-
- NII書誌ID
- AN10588970
-
- ISSN
- 18816908
- 13426907
-
- NDL書誌ID
- 11070523
-
- 本文言語コード
- ja
-
- データソース種別
-
- JaLC
- NDL
- Crossref
- CiNii Articles
-
- 抄録ライセンスフラグ
- 使用不可