A fourth order CMOS band pass filter for PIR sensors.
Ginés Doménech-AsensiF. Martinez-VivienteJ. Illade-QuinteiroJuan Zapata-PérezRamón Ruiz MerinoJosé-Alejandro López AlcantudJuan Martínez-AlajarínFrancisco J. Fernández-LuqueJuan M. CarrilloMiguel Angel DomínguezPublished in: ICECS (2012)
Keyphrases
- fourth order
- bandpass
- noise removal
- frequency domain
- high order
- low pass
- image interpolation
- partial differential equations
- anisotropic diffusion
- frequency band
- high pass
- subband
- geometric distortions
- nonlinear diffusion
- low frequency
- textured images
- estimation error
- zero crossing
- edge detection
- noise reduction
- denoising
- high frequency
- spatial domain
- filter responses
- image enhancement
- multiscale