T
Takashi Kawamura
Researcher at Panasonic
Publications - 65
Citations - 733
Takashi Kawamura is an academic researcher from Panasonic. The author has contributed to research in topics: Signal & Lens (optics). The author has an hindex of 15, co-authored 65 publications receiving 732 citations.
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Built-in microphone device
TL;DR: In this article, a built-in microphone device for use in an apparatus having a mechanism section generating internal noise inside a housing of the apparatus includes a main microphone for picking up an external sound, a noise reference microphone, and an adaptive filter member for generating a control audio signal based on an output signal from the noise reference microphones using a filter coefficient.
Patent
Acoustic interval detection method and device
TL;DR: In this article, the authors provided a harmonic structure acoustic signal detection device not depending on the level fluctuation of the input signal, having an excellent real-time property and noise resistance.
Patent
Distance estimation device, distance estimation method, integrated circuit, and computer program
Takashi Kawamura,Pongsak Lasang +1 more
TL;DR: In this article, the authors proposed a distance estimation device that can estimate a focal distance of any subject with a high degree of accuracy using an all-in-focus image and an arbitrary-focal depth image.
Patent
Imaging device, semiconductor integrated circuit, and imaging method
TL;DR: In this paper, an image-capturing device including a plurality of photoelectric conversion elements arranged in two dimensions is described, and a displacement control section for outputting a command to the driving section so as to control displacement of the imagecapturing element or the focus lens to be driven based on a predetermined displacement pattern.
Patent
Voice analysis device, voice analysis method, voice analysis program, and system integration circuit
TL;DR: In this paper, a sound analysis device is defined as a sound parameter calculation unit that can acquire an audio signal and calculate sound parameters for each of the audio signals, the partial audio signals each being the acquired audio signal in a unit of time; a category determination unit is defined to determine, from among a plurality of environmental sound categories, which environmental sound category each audio signal belongs to.