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Article type: Cover
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Cover1-
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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Article type: Appendix
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App1-
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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Kazuma Yasui, Tatsuo Kamitani, Minoru Matsuda
Article type: Article
Session ID: 1-1
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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From the results of the fatigue measurement by CFF (Critical Frequency of Fusion), it was found that this fatigue is influenced by the right-and-left difference of an angle of convergence. Furthermore, the authors consider that the human fatigue tendency for any dominant eye can be examined by EM algorithm analysis.
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Yasuhito Sawahata, Kazuteru Komine, Nobuyuki Hiruma, Takayuki Ito, Sei ...
Article type: Article
Session ID: 1-2
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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We conducted experiments on 26 elementary school pupils to measure their gaze while they were watching a news TV program for children and acquired their comprehension data with a quize-style examination. We categorized the data into two groups by the result of the examination. As the result of our analysis, there were significant differences between their estimated gaze distributions correspond to the groups.
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Osamu Sugimoto, Shigeyuki Sakazawa, Atsushi Koike
Article type: Article
Session ID: 1-3
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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The authors study on a method for estimating perceived picture quality for multimedia applications based on full reference framework. The proposed method applies the blockiness of the picture and time variance of PSNR as the indices of objective picture quality. Computer simulation shows that the proposed method can estimate perceived picture quality at a correlation coefficient above 0.90.
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Hiroyuki Nagatani, Akiko Obata, Shigeru Chiba
Article type: Article
Session ID: 1-4
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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We developed an autostereoscopic display based on the integral imaging method. Using the autostereoscopic display, the influence of viewers(Testee) who saw the stereoscopic images was confirmed from the objective evaluations of a cerebral blood flow, an autonomic nervous system and an internal secretion system(saliva).
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Hiroyuki Nagatani
Article type: Article
Session ID: 1-5
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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We developed an autostereoscopic display based on the integral imaging method. Using the autostereoscopic display, influences of viewers(Testee) who saw stereoscopic images was confirmed from the subjectivity evaluation.
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Masayoshi WADA, Katsunori OKAJIMA
Article type: Article
Session ID: 1-6
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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In the present study we measured tolerances of time and position consistencies of a moving target reemerging from a invisible area. The results show that there are ample tolerances in time and position consistencies, and that the reemergence time is delayed in comparison with the physically-based time.
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Keisuke IRIKURA, Haruo ISONO
Article type: Article
Session ID: 1-7
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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The color fidelity of the Macbeth Color Test Chart when viewed through the traditional red/blue filters used in 3D anaglyph glasses and the recently developed amber/blue filters was compared and evaluated with the color fidelity of the same Macbeth Color Test Chart as observed by the naked eye.
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Mitsuyoshi SAITO, Yu-ki OGATA, Mitsuho YAMADA
Article type: Article
Session ID: 1-8
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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We are studying to realize the much more high-quality moving image. For this purpose, a high-speed motion target was presented and its appearance was changed momentarily during its motion. We analyzed its detectability and the pursuing characteristics of eye movement.
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Yu-ki OGATA, Mitsuyoshi SAITO, Mitsuho YAMADA
Article type: Article
Session ID: 1-9
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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We are studying to realize the much more high-quality moving image. For this purpose, the detectability of the digitally deteriorated image and the eye movement characteristics were analyzed while pursuing speedily moving images in which digital noises were added momentarily.
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Article type: Appendix
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Published: August 01, 2006
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Hideyuki Kaneko, Shuichi Kagawa, Tetsuya Kuno, Jun Someya, Hiroaki Sug ...
Article type: Article
Session ID: 2-1
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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We have developed wide color gamut image I/O system. In order to construct this system, we combined wide gamut DSC using new color filter with wide gamut LCD using six-color LEDs for backlight. By using this system, we could realize high accuracy color management for wide color gamut image.
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Yoshitomo NAKAMURA, Nobuhiko YAMAGISHI
Article type: Article
Session ID: 2-2
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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In this paper, we compare character of the brightness histogram got from different interval time. As a result, the character of the brightness histogram got from short time motion pictures is similar to that from long time motion pictures.
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Satoshi YAMANAKA, Yoshiaki OKUNO, Shuichi KAGAWA, Jun SOMEYA, Hiroaki ...
Article type: Article
Session ID: 2-3
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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Recently, tone characteristic has worsened by making the TV high luminance. In this report we propose the image processing technology that improve tone characteristic using adaptive Low Pass Filter.
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Noritaka OKUDA, Akihiro NAGASE, Jun SOMEYA, Hiroaki SUGIURA
Article type: Article
Session ID: 2-4
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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We developed the new overdrive technology using encoding that dynamically control the bit rate of luminance signal and the color signal. This technology can compress the image data stored in the frame memory to 1/6.
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Takahiko FUKINUKI
Article type: Article
Session ID: 2-5
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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The so-called apparent motion in sampled motion can be analyzed clearly by saptio-temporal sampling. Various aspects of extension of the analysis have been obtained, as listed in this paper. Then, the reason is studied why the phenomena related to the sampled motion have been explained by "apparent motion". Finally, the one in transient motion is simulated.
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Article type: Appendix
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Published: August 01, 2006
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Keiichi OTAKE, Isao KAWAHARA, Ryuichi MURAI
Article type: Article
Session ID: 3-1
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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Panasonic has developed the world's largest 103-inch 1080p PDF prototype. The goal is to create the greatest viewing experience offered by a consumer product for home usage. According to our study, the best viewing distance is not 3H (height) but rather 2H. In the case of the 103-inch 1080p PDF, a viewing distance of 2.8 m, which is approximately 2H, corresponds with a 45 degree viewing angle. If one views it at a 2.8 m distance, one senses the same perception of reality at home as in a theater. Panasonic intends for this product to serve as the ideal TV for home theater.
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Hiroyuki AJIKI, Shingo IWASAKI, Mitsushi KITAGAWA, Kosuke MASUDA, Shin ...
Article type: Article
Session ID: 3-2
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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50-inch diagonal Full HD PDPs (1920 x 1080 pixels) was developed with the optimization of cell design, materials and process conditions, and improvement of CEL technology.
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Yoshikuni HIRANO, Keiji ISHII, Yasushi MOTOYAMA, Yukio MURAKAMI
Article type: Article
Session ID: 3-3
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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We are investigating a high-resolution AC PDF for use in the development of a home-use display with over 4,000 scanning lines (Super Hi-Vision system; SHV) in the near future. In this study, we discuss the breakdown voltage on a high-resolution AC PDF, and analysis these dependency on gas pressure using 3-D discharge simulation.
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Takafumi SAITO, Takahiro YAMAMOTO, Akiyoshi MIKAMI
Article type: Article
Session ID: 3-4
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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Guest-host type white light emitting organic devices have been successfully fabricated for the purpose of high efficiency with good chromaticity. In results, the device showed 3.83 V in threshold voltage (@1cd/m^2), 9.33cd/A in current efficiency (@100cd/m^2) and 3.35% in external quantum efficiency with CIE color coordinates of (3.33,0.36).
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Takahiro ISHINABE, Yuji OHNO, Tetsuya MIYASHITA, Tatsuo UCHIDA
Article type: Article
Session ID: 3-5
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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A field sequential color LCD using a high contrast OCB mode liquid crystal and a LED scanning back-light has been developed. We established an evaluation method for a polymerized discotic material compensation film and an optimization method for a bend alignment LC cell. The prototype of OCB mode LCD has a high contrast ratio of 1350:1 and a wide viewing angle over 170deg.
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Ken KUBOKI, Atsushi AKIYAMA, Tetsuya MIYASHITA, Takahiro ISHINABE, Tat ...
Article type: Article
Session ID: 3-6
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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Optically compensated bend (OCB) mode LCD requires initial transition from a splay to a bend alignment before operation. In this study, a required twist angle for the transition and moving speed of disclination were analyzed in case of varying pretilt angle of substrate surface.
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Y. Fujisaki, H. Sato, Y. Inoue, H. Fujikake, T. Kurita
Article type: Article
Session ID: 3-7
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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We fabricated an organic TFT (GIFT)-driven color LCD panel on a flexible plastic film. The OTFT with bottom contact structure showed the carrier mobility of 0.3cm^2/Vs, the ON/OFF ratio of 10^7 and low threshold voltage of 2.7V We successively confirmed color display operation with field-sequential color method at a frame rate of 60Hz and low-driving voltage of 14Vpp.
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Osamu ITOU, Shoichi HIROTA, Yoshifumi SEKIGUCHI, Shinichi KOMURA, Masa ...
Article type: Article
Session ID: 3-8
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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Viewing angle performance of Transflective IPS-LCDs (In-Plane Switching Liquid Crystal Displays) is improved by applying optical design taking account of azimuth of slow axis and Nz.
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Atsushi SHIMADA, Satoru KUBOTA
Article type: Article
Session ID: 3-9
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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We investigated the effects of color gamut, display luminance, and luminance contrast on the subjective image quality of mobile displays. Twenty-five subjects evaluated image quality of 15 mobile phone LCDs under indoor and outdoor lighting conditions by using paired comparison method. The results suggest that the image quality of mobile displays can be estimated by a multi-regression model incorporated luminance, color gamut, and contrast.
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Article type: Appendix
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App4-
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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Takahiro AIZAWA, Takahiko HORIUCHI
Article type: Article
Session ID: 4-1
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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In a ubiquitous environment, a transmission error and a route cutting occur frequently. This study tries to develop a robust image transmission for the obstacle using a multiple-route transmission which is an advantage of the environment. This paper proposes an image split method for the transmission based on visual characteristics.
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Rika HIGASHI, Masao FUJIMURA, Toshiro KUTSUWA, Motoi FUJIMURA
Article type: Article
Session ID: 4-2
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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Recently, the various multimedia communication systems appeared, but interoperating of these systems is impossible. We propose an effective session layer protocol for multimedia communication systems. The protocol makes one and only TCP network connection between couples of hosts to manages various multimedia communications collectively.
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Yoshihiro MORIOKA, Satoshi OHYAMA, Hiroshi KASE, Hiroshi MITANI
Article type: Article
Session ID: 4-3
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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By use of UDP/IP and forward error correction, a set of technologies have been developed and proving tests carried out for real-time transmission of high quality AV content over high-speed IP network infrastructure.
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Haruhiro Koto, Satoru Todate, Munemitsu Kuwabara, Atsushi Sassa, Tomoh ...
Article type: Article
Session ID: 4-4
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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In order to realize video monitoring and still picture storage for diversified video surveillance system market, the software-codec was developed, which enables simultaneous processing of MPEG-4, JPEG and G.726 (voice compression system). Especially by optimization of multitasking, real time processing was enabled by a single embedded processor with limited performance.
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Yasuhiro SATO, Yuko SHIODA, Yuto KOBAYASHI, Yoshitaka HASHIMOTO
Article type: Article
Session ID: 4-5
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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This paper reports the result of an experimental study on construction and operation of XML based image search system using MPEG-7. After describing the structure of image search system, it discusses the experimental results of metadata creation and their application to the image search system.
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Shuichi SUGARWARA, Koji OHNO, Yoshitaka HASHIMOTO
Article type: Article
Session ID: 4-6
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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This paper describes the web site named onyon. The onyon has some attractive features. In this paper, we focus on the following features of the onyon, such as DVD replay, DVD bookmark registration, playing DVD via bookmarks, DVD bookmark search and DVD bookmark collection.
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Masayuki IHARA, Le TUANANH, Minoru KOBAYASHI
Article type: Article
Session ID: 4-7
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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The usage of agreement/disagreement phrase in a conversation depends on how strongly a user wants to agree/disagree. This paper presents a conversation simulator that visualizes the agreement/disagreement phrase usage which is basically assigned according to the strength of each agreement/disagreement phrase but can be affected by age difference.
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Yoshinori HIRANO, Takashi NISHIMOTO, Kazuhiro ASAI, Yoshifumi KITAMURA ...
Article type: Article
Session ID: 4-8
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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We propose a system to generate a continuous infinitely varying video stream based on links among frames. The links are automatically established by using similarities calculated by an image processing algorithm. With this system, a user can create his/her personal video interactively.
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Kazuaki HOSHINO, Madoka HASEGAWA, Shigeo KATO
Article type: Article
Session ID: 4-9
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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This study aims to develop an asynchronous type e-learning system that can maintain users' motivation for studying. We newly develop a comprehension check test system that is not only used for review of lectures, but used for the retention of motivation for learning by sharing their scores and progress with other learners.
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Article type: Appendix
Pages
App5-
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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Masataka YAMAZAKI, Takeshi YAMAMOTO, Mitsugu KAKUTA, Yukio KOSUGI
Article type: Article
Session ID: 5-1
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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The information embedding to the color image adapting the principle of lifting principle is proposed. SN of the embedding image by the proposed method is very high as compared with the conventional method. Some watermark information can be embedded using the increase in the number of dimensions. Furthermore, according to embedding intensity, the embedded watermark moves between components. Application using this feature can be considered.
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Emi Myodo, Koichi Takagi, Shigeyuki Sakazawa, Yasuhiro Takishima
Article type: Article
Session ID: 5-2
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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We propose a novel bar code embedding method in a color image such as poster, graphic and picture. The proposed method replaces a region of an original color image with a color bar code in condition that the additive mixture of color bar cord looks like the original image. As a result, the embedded bar code is invisible in a color image from a distance, while it is visible if we take a close look at the color image. Furthermore we can read the bar code directly by an existing bar code reader.
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Tatsumi WATANABE, Yasuhiro KUWAHARA
Article type: Article
Session ID: 5-3
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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We proposed person detection method using skin color analysis. It includes the skin blocks extraction using the skin area depending on brightness, and the classification by a statistical analysis for the extracted skin blocks. We showed the effectiveness of this method by evaluation experiment.
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K. Ide, R. Kawahara, T. Hamamoto
Article type: Article
Session ID: 5-4
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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We have been investigating real-time object tracking by a wideview imaging system. In this paper, we explain the wideview imaging system using eight smart sensors and the object tracking method. Furthermore, we show results of the real-time tracking.
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Toshiyuki SUGITA, Takashi YOSHIDA, Takayuki HAMAMOTO, Kazuya KODAMA
Article type: Article
Session ID: 5-5
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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In this paper, we propose a method of objects tracking implemented on a smart image sensor. This method is able to detect not only the moving vector on a 2D plane but also the moving direction in a depth axis at very high speed such as more than 1000fps.
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Taro SAITO, Masashi KAMEDA
Article type: Article
Session ID: 5-6
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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This paper presents a new image model considering the nonstationary characteristics of images using DCT which is the eigenfunction for natural images. This model gives a reconstructed image by the synthesis of the Gaussian noises, however, it is difficult to obtain the good quality reconstructed image. We propose an image reconstruction method based on our image model including some important factors in images.
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Toshiharu WADA, Masanobu TAKAHASHI
Article type: Article
Session ID: 5-7
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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A method to extract non-textured floor areas is presented. The method uses a stereo camera, and the 3-D positions of edges which surround non-textured areas are used. 9 non-textured floor areas were successfully extracted with the height accuracy of 2.4cm out of 10 cases.
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Yuki ISHII, Yousuke NAKAGAWA, Takashi KOMATSU, Takahiro SAITO
Article type: Article
Session ID: 5-8
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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This paper presents an extension of multiplication skeleton/texture separation, and its applications to image processing. This separation method decomposes a given input image into three components: a skeleton component, a texture-generator, and a residual component. By applying proper image processing techniques to each of the three separated components, we construct advanced new image processing algorithms for interpolation and de-noising.
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Jun-ichi IMAI, Masahide KANEKO
Article type: Article
Session ID: 5-9
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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In general living spaces, stable visual object tracking is generally difficult because there are many objects which may cause visual occlusions. In this paper, to handle occlusion problems, we propose a novel method for visual object tracking using a particle filter, which switches tracking targets autonomously.
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Article type: Appendix
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Published: August 01, 2006
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Taiho NAKAZAWA, Satoshi OKAMOTO, Koichi MORIOKA, Toshimichi AOKI
Article type: Article
Session ID: 6-1
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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To improve product development efficiency of digital television and digital video recorder in every country in the world, we developed the small ,efficient Stream Controller on system LSI for audio visulal systems.
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Jumpei FUJIOKA, Hiroshi TAKENO, Takeru OHGI, Yuji OHTA
Article type: Article
Session ID: 6-2
Published: August 01, 2006
Released on J-STAGE: May 24, 2017
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MEI (Matsushita Electric Industrial Co., Ltd.) developed digital CATV Set-top Box (STB) with HDD. We adopted home AV system LSI, which has two MPEG decoders. As STB equips two tuners, they can record two different programs at the same time in HDD and external recorder.
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