Abstract:
PROBLEM TO BE SOLVED: To provide an image evaluation device, an image evaluation method and a program for performing evaluation based on optimal visual property, and for performing accurate and highly reliable image quality evaluation matched with subjective evaluation based on the visual sense of a person.SOLUTION: The image evaluation device includes: a storage part for preliminarily storing a plurality of functions of visual property; an image featured value extraction part for extracting the image featured value of an image to be evaluated; a frequency characteristic extraction part for extracting the frequency characteristic of the image to be evaluated; a correction part for selecting the function of visual property corresponding to the image featured value extracted by the image featured value extraction part from the plurality of functions of visual property of the storage part, and for correcting the frequency characteristic extracted by the frequency characteristic extraction part by the selected function of the visual property; and an image evaluation value acquisition part for obtaining an image evaluation value on the basis of the frequency characteristic information corrected by the correction part.
Abstract:
PROBLEM TO BE SOLVED: To provide an image pickup device and a camera system which are capable of improving resolution, preventing the variance in characteristic of an imaging device, and improving image quality. SOLUTION: The image pickup device includes a signal level adjustment circuit 30 which has: a function of generating a luminance signal Y from RGB signals, taking out low-band components of a clear pixel C and the luminance signal Y by low pass filters (LPF) 31 and 32 being filters capable of absorbing phase differences among respective color signals, obtaining a ratio of low band signal levels, and adjusting a gain on the basis of the signal C or Y; and a function of adjusting levels of RGB signals other than the luminance signal Y when taking the signal of the clear pixel C as a reference. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a technology capable of extending a frequency band more than that by simple average pixel interpolation and suppressing a false color of a chromatic color object in a zigzag pixel arrangement wherein chromatic color pixels and high sensitivity pixels are alternately arranged in a checkered pattern. SOLUTION: An imaging apparatus disclosed herein including an image sensor wherein the chromatic color pixels in a plurality of colors and the high sensitivity pixels with higher sensitivity with respect to incident light than the sensitivity of the chromatic color pixels are alternately arranged in the checkered pattern includes: correlation detection sections (25, 27, 29) for detecting a correlation of an imaged object on the basis of signal components of the high sensitivity pixels and signal components of the chromatic color pixels; a color discrimination block 12 for discriminating whether or not the imaged object has a chromatic color on the basis of the signal component of the chromatic color pixels; and pixel interpolation blocks 13 (pixel interpolation sections 26, 28, 30) that executes processing of switching a pixel interpolation method depending on whether or not the object has a chromatic color on the basis of a signal discriminated by the color discrimination block 12 and carries out processing of taking precedence of the interpolation applied to pixels with higher correlation on the basis of information from the correlation detection sections when the color discrimination block 12 discriminates that the object has a chromatic color. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a dynamic control device which can facilitate learning of a status observer to periodic motion by imparting an internal state and dynamics to a controller. SOLUTION: A feedback controller 1022 updates feedback parameters based on reward series obtained during enhanced learning by value function based on a status information of a control object in the dynamic control device 100. A central pattern generator (CPG) 1026 has the internal condition to carry out periodic time development and generates a control signal u based on the internal state which varies according to output from the feedback controller 1022. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To surely enable field discrimination with a simple circuit configuration. SOLUTION: In a timing control circuit 13, where a synchronization separator circuit 21 separates a horizontal synchronizing signal and a vertical synchronizing signal from a composite synchronizing signal CSYNC and an internal horizontal synchronizing signal and an internal vertical synchronizing signal are generated, based on the horizontal synchronizing signal Sep-HD and the vertical synchronizing signal Sep-VD separated by the circuit 21, a field discrimination circuit 30 uses pulses P2, P3 generated in the process of the synchronizing signal separation in the synchronization separator circuit 21 for field discrimination so as to discriminate whether a field is an odd number field or an even number field, when the composite synchronizing signal CSYNC is received as an external synchronizing signal.
Abstract:
PROBLEM TO BE SOLVED: To make it possible to simply check characteristics by making input pattern have a binary multi-input form and output pattern have a multi-value 1-output form, and an expected value pattern have the attribute corresponding one by one to the attribute of the output pattern output from a real device. SOLUTION: The expected value pattern generator 1 has a reference pattern generator 2 for outputting reference patterns P1, P2 based on expected value patterns Pe1, Pe2, and a selector 3 for outputting the patterns P1, P2 from the generator 2 as the patterns Pe1, Pe2 as they are via first and second external output terminals 1, 2 or selecting the outputs of output terminals 1, 2 as high impedance state. In the generator 1, when the input patterns P11, P12 of binary 2 input state are input to normal real device DUT, the patterns P1, P2 corresponding one by one to the attribute of the output patterns of the tertiary 1 output state output from the real device DUT are output.
Abstract:
PROBLEM TO BE SOLVED: To provide a technology capable of suppressing noise of a color image up to a level equal to a level of white pixels by applying interpolation to phases of color pixels through the use of signal components of the white pixels as indices. SOLUTION: An imaging apparatus 1 disclosed herein including a sensor with a cell arrangement wherein the chromatic color pixels in a plurality of colors and the high sensitivity pixels with higher sensitivity with respect to incident light than the sensitivity of the chromatic color pixels are alternately arranged in the checkered pattern, a white balance block 11 for normalizing a pixel output of the sensor by the chromatic color pixel or the high sensitivity pixel, and a pixel interpolation block 13 for interpolating other deficient colors to a phase at which a chromatic color pixel exists, is characterized by including a noise reduction block 21 that is located between the white balance block 11 and the pixel interpolation block 13 and suppresses noise of the chromatic color pixel by applying interpolation to phases of the color pixels through the use of the signal components of the white pixels for indices. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an external synchronization system that can realize phase adjustment of a composite synchronizing signal SYNC, only with the addition of a simple circuit when the composite synchronizing signal SYNC is used as a synchronizing signal which is given from a master set and to provide a camera system using the external synchronization system. SOLUTION: In this camera system where a composite synchronizing signal SYNC is used as an externally given synchronizing signal, a horizontal synchronizing signal HD separated by a synchronization separator circuit 14 built into a timing controller IC 13 is once outputted to the outside of the timing controller IC 13, and the phase of the horizontal synchronizing signal HD is adjusted by an external HD phase adjustment circuit 15, and the adjusted horizontal synchronizing signal is again given to the timing controller IC 13 and an internal horizontal synchronizing signal HD' and an internal vertical synchronizing signal VD' that are reference signals of this system are generated, based on the horizontal synchronizing signal HD whose phase is adjusted and on the vertical synchronizing signal VD separated by the synchronization separator circuit 14.
Abstract:
PROBLEM TO BE SOLVED: To provide a camera system and its control method where a configuration of a count decoder is simplified. SOLUTION: In the camera system where a phase of an external synchronizing signal is adjusted in compliance with a television system given externally and an internal synchronizing signal is generated based on the external synchronizing signal after its phase is adjusted, a field discrimination circuit 44 discriminates whether a field at the reception of the external synchronizing signal is an odd numbered field or an even numbered field, a vertical counter 41 is reset only when the discrimination results indicates either of the fields, and a reset value in the unit set to one field by a reset value setting section 46 is loaded to a vertical counter 41 via a gate circuit 45.
Abstract:
PROBLEM TO BE SOLVED: To provide a driving device for a solid-state imaging device with which an arbitrary frame rate can be set. SOLUTION: In a detection mode, the cycle of vertical reset pulse VR can be set arbitrarily, a reset cycle in the case of vertical transfer drive of a charge coupled device(CCD) image sensor is set shorter than a field cycle, and the vertical transfer of CCD image sensor is driven with a high speed at a high- speed transfer pulse part B and a high-speed transfer pulse part A in the partial block of that reset cycle, and an image-pickup signal outputted from the CCD image sensor in the case of vertical transfer drive at ordinary speed is defined as a detection object, so that the frame rate is increased.