Search Results 1-20 of 2577

  • Empirical Exploration of the Challenges in Temporal Relation Extraction from Clinical Text

    Galvan-Sosa Diana , Matsuda Koji , Okazaki Naoaki , Inui Kentaro

    自然言語処理 = Journal of natural language processing 27(2), 383-409, 2020-06

  • Usefulness of Bone Suppression Image Based Temporal Subtraction Processing for the Improvement of Lung Nodule Detection on Chest X-ray Images  [in Japanese]

    櫻井 典子 , 高橋 真悟 , 高橋 大志 , 児玉 直樹

    JART = 日本診療放射線技師会誌 67(6), 573-579, 2020-06

  • Real-time Forecasting of Non-linear Competing Online Activities

    Thinh Minh Do , Yasuko Matsubara , Yasushi Sakurai

    … Given a large, online stream of multiple co-evolving online activities, such as Google search queries, which consist of d keywords/activities for l locations of duration n, how can we analyze temporal patterns and relationships among all these activities? …

    情報処理学会論文誌データベース(TOD) 13(2), 2020-04-16


  • INSTRUDIVE: A Music Exploration System Based on Automatic Recognition of Instrumentation  [in Japanese]

    高橋 卓見 , 深山 覚 , 後藤 真孝

    … Our instrument recognition method is based on a convolutional neural network (CNN) model whose layers first convolve input along the frequency axis to express timbre characteristics, and then convolve along the time axis to express their temporal characteristics. … It thus uses a convolution kernel that is different from a typical square kernel used in image processing. …

    情報処理学会論文誌 61(4), 777-788, 2020-04-15


  • Spatial and temporal distribution of category-specific brain areas visualized through resting-state fMRI signals

    成 烈完 , 直江 大河 , 木山 幸子 , 小川 誠二

    … These include primary sensory functions such as visual and auditory processing and higher-order functions such as emotion and language processing. … However, each identified brain area provides only static information in terms of signal processing in the brain. … To clarify hot the active brain processes information, knowledge regarding the temporal characteristics of brain activity is required. …

    感性福祉研究所年報 = Report of Kansei Fukushi Researbh Institute (21), 71-77, 2020-03-31


  • Neural activity underlying emotional utterances : an fMRI study  [in Japanese]

    柴田 みどり

    … In the main effect of Sentence Type, results revealed significantly greater activation for indirect speech comprehension than literal sentence comprehension in the bilateral Inferior Frontal Gyrus (BA 45/47), Superior Frontal Gyrus (BA8/9), Middle Temporal Gyrus (BA 21), and the right Medial prefrontal Cortex (MPFC; …

    哲學 (144), 51-66, 2020-03


  • Data Description and Retrieval Using Periods Represented by Uncertain Time Intervals

    Tatsuki Sekino

    … However, it is not easy to describe and retrieve information about periods, because the temporal ranges represented by periods are often ambiguous. … This is because these temporal ranges do not have fixed beginning and end points. … It is expected that more data about time periods will be created and released using the result of this study.------------------------------This is a preprint of an article intended for publication Journal ofInformation Processing(JIP). …

    情報処理学会論文誌 61(2), 2020-02-15


  • Striatal Beta Oscillation and Neuronal Activity in the Primate Caudate Nucleus Differentially Represent Valence and Arousal Under Approach-Avoidance Conflict

    Amemori Ken-ichi , Amemori Satoko , Gibson Daniel J. , Graybiel Ann M.

    … In Ap–Av decision-making, reward and punishment differentially influence valence and arousal, allowing us to dissociate their neural processing. … We found that the temporal onset of the beta-band responses occurred sequentially across conditions: first, the negative-value, then low-arousal, and finally, high-value conditions. …

    Frontiers in Neuroscience (14), 2020-02-07


  • Behavior and cognitive style of semantic dementia and autism spectrum disorder  [in Japanese]

    Sakuta Shizuka , Hashimoto Mamoru

    … <p>Semantic dementia (SD) is a subtype of frontotemporal dementia characterized by progressive loss of semantic memory and behavioral change due to focal atrophy in the temporal lobe. … We evaluated the deficits of cognitive processing in SD from the viewpoint of abstract attitude and weak central coherence and showed that abstract attitude was commonly impaired in SD patients. …

    Japanese Journal of Neuropsychology 36(2), 85-95, 2020


  • Laser Speckle Analysis of Water Stress in Plant Leaf  [in Japanese]

    Inagaki Yohsuke , Nagasuga Kiyoshi , Sato Tomoaki , Takisawa Kenji , Fukushima Takashi

    … We compared the Fujii method, which is fast and accurate at low brightness, and the Generalized difference method, which can distinguish long temporal fluctuations clearly. …

    Agricultural Information Research 29(2), 40-46, 2020


  • Effect of Fixational Eye Movement on Signal Processing of Retinal Photoreceptor: A Computational Study

    INAGAKI Keiichiro , KANNON Takayuki , KAMIYAMA Yoshimi , USUI Shiro

    … Fixational eye movements aid our vision by shaping spatial-temporal characteristics. … Here we constructed a large-scale visual system model to explore the effect of the cone mosaic on the visual signal processing associated with fixational eye movements. … In the simulation, we focused on the roles of fixational eye movements on signal processing with sparse sampling by photoreceptors given their spatially non-uniform mosaic. …

    IEICE Transactions on Information and Systems E103.D(7), 1753-1759, 2020


  • Japanese Temporal Relation Classification with joint Dependency and Contextual Representations  [in Japanese]

    GENG Chenjing , CHENG Fei , PEREIRA Lis Kanashiro , ASAHARA Masayuki , KOBAYASHI Ichiro

    … <p>Recently, quite a few number of studies have been progressive for temporal relation extraction from a corpus,which is an important work used in several natural language processing application. … In this work, we explored the feasibility of applying neural networks to temporal relation identification in the non-English data (BCCWJ-TimeBank). …

    Proceedings of the Annual Conference of JSAI JSAI2020(0), 4Rin115-4Rin115, 2020


  • Recognizing Temporal Relations in Natural Language based on CCG and Theorem Proving  [in Japanese]

    ONISHI Maiko , YANAKA Hitomi , MINESHIMA Koji , BEKKI Daisuke

    … <p>Recognizing temporal relations among events and time expressions has been one of the most challenging tasksin natural language processing. … However, it is unclear whether these models can accurately perform complex inferenceswith temporal phenomena. … We show that by adding lexical entries and axioms for temporal relations, the system can performlogical inferences over multiple temporal relations.</p> …

    Proceedings of the Annual Conference of JSAI JSAI2020(0), 1E3GS904-1E3GS904, 2020


  • Challenges and Prospects in the Geospatial Information Valuation Process of Open Data  [in Japanese]

    KANEOKA Ryo , ETO Shota

    … However, different data specifications, formats, temporal granularity, and spatial granularity, depending on the data provider and the intended use of the original data, present significant barriers to data integration. … We have developed a prototype by processing and analyzing open geospatial information with a view to using it for marketing purposes for operating companies. …

    Proceedings of the Annual Conference of JSAI JSAI2020(0), 1F5OS403-1F5OS403, 2020


  • Temporal Constraints and Block Weighting Judgement Based High Frame Rate and Ultra-Low Delay Mismatch Removal System

    DU Songlin , WANG Zhe , IKENAGA Takeshi

    … This paper proposes a temporal constraints and block weighting judgement based high frame rate and ultra-low delay mismatch removal system. … The proposed method is based on two temporal constraints (proposal #1 and proposal #2) to firstly find some true matches, and uses these true matches to generate block weighting (proposal #3). …

    IEICE Transactions on Information and Systems E103.D(6), 1236-1246, 2020


  • Real-time Forecasting of Non-linear Competing Online Activities

    Do Thinh Minh , Matsubara Yasuko , Sakurai Yasushi

    … locations of duration <i>n</i>, how can we analyze temporal patterns and relationships among all these activities? …

    Journal of Information Processing 28(0), 333-342, 2020


  • Continuous Noise Masking Based Vocoder for Statistical Parametric Speech Synthesis

    AL-RADHI Mohammed Salah , CSAPÓ Tamás Gábor , NÉMETH Géza

    … Traditional parametric vocoders generally show a perceptible deterioration in the quality of the synthesized speech due to different processing algorithms. … Furthermore, an inaccurate noise resynthesis (e.g. in breathiness or hoarseness) is also considered to be one of the main underlying causes of performance degradation, leading to noisy transients and temporal discontinuity in the synthesized speech. …

    IEICE Transactions on Information and Systems E103.D(5), 1099-1107, 2020


  • Silhouette Reconstruction of Sub-surface Defects Based on the Point-source Constrained Partial Differential Equation over the A0-mode Lamb Wave Field  [in Japanese]


    <p>Guided elastic waves are used for the non-destructive evaluation of plate-like structures. In recent years, manufacturing based on composites has increased gradually. However, the elastic wav …

    Transactions of the Society of Instrument and Control Engineers 56(4), 217-226, 2020



    KAWAKAMI Riku , SCHMÖCKER Jan-Dirk , UNO Nobuhiro , NAKAMURA Toshiyuki

    … Specifically, we propose a method for the identification of missing trips in the database that occur due to the anonymizing processing and the specificity of the aggregation method. … In the original data set we compare the mesh specific temporal population data with the population in the previous time interval plus inflows minus outflows to the zones. …

    Journal of Japan Society of Civil Engineers, Ser. D3 (Infrastructure Planning and Management) 75(6), I_379-I_391, 2020


  • Possible role of microglia in mental disorder-related hearing impairment  [in Japanese]

    Koyama Ryuta , Ikegaya Yuji

    … <p>Disrupted processing of auditory information including auditory hallucination is a challenging problem that affects the quality of life of patients with mental disorders. … Here we report that microglia, the brain resident immune cells, play a key role in the disruption of auditory information processing in a mouse model of adult temporal lobe epilepsy (TLE). …

    Proceedings for Annual Meeting of The Japanese Pharmacological Society 93(0), 1-JS2-1, 2020


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