All issues
Predecessor
26.58
Displaying 1-11 of 11 articles from this issue
- |<
- <
- 1
- >
- >|
-
Article type: Cover
Pages Cover1-
Published: September 18, 2002
Released on J-STAGE: June 23, 2017
CONFERENCE PROCEEDINGS FREE ACCESSDownload PDF (14K) -
Article type: Index
Pages Toc1-
Published: September 18, 2002
Released on J-STAGE: June 23, 2017
CONFERENCE PROCEEDINGS FREE ACCESSDownload PDF (43K) -
Tetsuro FUJII, Tatsuya FUJII, Kazuo HAGIMOTO, Sadayasu ONO, Tomonori A ...Article type: Article
Session ID: IDY200296/HIR2002112
Published: September 18, 2002
Released on J-STAGE: June 23, 2017
CONFERENCE PROCEEDINGS FREE ACCESSThe Digital Cinema Consortium (DCC) was established in February 2001 in Tokyo, Japan to promote the development of very high quality digital cinema systems whose resolution is more than 2k scan lines to match the full quality of 35 mm film. DCC exhibited a prototype digital cinema system with 3840 x 2048 pixels solution several times. A Hollywood movie "Tomb Raider" was fully digitized from 35 mm film and projected onto a 350-inch screen using a complete digital cinema system. IP network was utilized for the stream transmission of digital cinema..View full abstractDownload PDF (902K) -
Masahiro Yamaguchi, Hideaki Haneishi, Nagaaki OhyamaArticle type: Article
Session ID: IDY200297/HIR2002113
Published: September 18, 2002
Released on J-STAGE: June 23, 2017
CONFERENCE PROCEEDINGS FREE ACCESS"Natural Vision" is currently being studied for the purpose to realize natural color reproduction and highly realistic image display in visual communication systems. By introducing spectrum-based color reproduction scheme, it becomes possible to capture, transmit, store, and display high-fidelity color information, which has been difficult in trichromatic color imaging systems. This article introduces the overview of natural vision, as well as the technologies of spectrum-based color reproduction system, multispectral image capture, and multiprimary display.View full abstractDownload PDF (1123K) -
Koichi HAMADA, Masaru KANAZAWA, Fumio OKANOArticle type: Article
Session ID: IDY200298/HIR2002114
Published: September 18, 2002
Released on J-STAGE: June 23, 2017
CONFERENCE PROCEEDINGS FREE ACCESSAn ultra-high definition display system with quadruple the horizontal and vertical resolution of HDTV has been developed. This system consists of two LCD projectors. One of these projects only green images of 4096 x 7680 pixels equivalently with the spatial pixel offset method using two 2048 x 3840 pixel LCD panels. A test pattern was studied to perform precise pixel offset. A convergence adjustment device was developed to perform the geometric adjustment of images in real-time.View full abstractDownload PDF (706K) -
Kengo ITAKURA, Yoshifumi SHIMODAIRA, Gosuke OHASHIArticle type: Article
Session ID: IDY200299/HIR2002115
Published: September 18, 2002
Released on J-STAGE: June 23, 2017
CONFERENCE PROCEEDINGS FREE ACCESSA liquid crystal display has characteristics that picture quality largely changes with viewing angle. The change of picture quality is caused by changes of impairment factors for it. The color reproduction range, which was one of the factors, was picked up for a factor of the present subjective evaluation. The color reproduction range was limited by saturation of primary colors. Therefore, effects of changing saturation of primary colors on picture quality were subjectively evaluated. As the results, the picture quality was worse when the color reproduction range was narrower, in general. Saturation decrease of Blue was confirmed to have the largest influence on picture quality. Moreover, impairment of picture quality was found to be small when two or three primary colors decreased their saturation in comparison with that when one of primary colors decreased it.View full abstractDownload PDF (503K) -
Satoru KUBOTAArticle type: Article
Session ID: IDY2002100/HIR200211
Published: September 18, 2002
Released on J-STAGE: June 23, 2017
CONFERENCE PROCEEDINGS FREE ACCESSPicture quality and readability of thirteen LCDs for mobile telephones were subjectively assessed by thirty subjects under indoor and outdoor lighting conditions. The luminance, contrast, color gamut, character size, and pixel size of the LCDs were also measured under both lighting conditions. The results indicate that the optimum luminance level under the condition of the screen illuminance of 200 lx is 50 cd/m^2, also under the condition of the screen illuminance of 10,000 lx is 160cd/m^2. The optimum character size is 3.14 mm height, and optimum stroke-width is 0.26mm.View full abstractDownload PDF (698K) -
Kenichi IWAUCHI, Hiroshi ITO, Atsushi YAMANAKA, Wiep FOLKERTSArticle type: Article
Session ID: IDY2002101/HIR200211
Published: September 18, 2002
Released on J-STAGE: June 23, 2017
CONFERENCE PROCEEDINGS FREE ACCESSWe developed RGB-LED backlight system for LCD that has wide color gamut. When we use a plurality of colors of LED, we have some problems. The main problem is that changing brightness and white point that is cause by difference of light efficiency. So we need feedback control technique using a sensor for controlling LEDs. We developed single sensor feedback method and confirmed good effect due to minimize unevenness of a plurality of sensors. And we confirmed wide color gamut correspond to area of NTSC.View full abstractDownload PDF (421K) -
Kyuengbo MIN, Yasuharu KOIKEArticle type: Article
Session ID: IDY2002102/HIR200211
Published: September 18, 2002
Released on J-STAGE: June 23, 2017
CONFERENCE PROCEEDINGS FREE ACCESSFor many research areas including biomechanics and medical science which need to analyze human motion into muscular activity, the simulation system of human arm motion is introduced in this report. We made human body model based on precise muscular skeleton data which include muscular insertion position and maximum muscle force. To calculate muscle force in motion, We define the muscle force function based on muscular biomechanics. The joint motion by muscle force is simulated by forward dynamics and visualized by computer graphics. In this report, based on muscular skeleton data and forward dynamics, we propose useful human arm model which is suitable to apply muscle work to joint control. This model will help us to visualize the simulation of individual muscle function in human motion.View full abstractDownload PDF (835K) -
Article type: Appendix
Pages App1-
Published: September 18, 2002
Released on J-STAGE: June 23, 2017
CONFERENCE PROCEEDINGS FREE ACCESSDownload PDF (73K) -
Article type: Appendix
Pages App2-
Published: September 18, 2002
Released on J-STAGE: June 23, 2017
CONFERENCE PROCEEDINGS FREE ACCESSDownload PDF (73K)
- |<
- <
- 1
- >
- >|