摘要:
In verification of image data of a captured image as to whether it is original one, the verification is possible even for image data subjected to a peripheral illumination correction or an exposure correction. An order information calculation unit selects a pixel set including two or more pixels based on pixel values and information on an image space of image data of a captured image, and calculates an order of magnitude between pixels in the selected pixel set. A verification data producing unit generates verification data used in verification of whether the image data has not been tampered with, based on the calculated order of magnitude. An image output unit outputs the image data and the verification data.
摘要:
For a selected pixel value, amounts of color material used of respective color materials used to print a background region, and those of respective color materials used to print a latent image region are calculated. The calculated amounts of color material used are stored in a memory in association with the selected pixel value. Amounts of color material used corresponding to respective pixel values of a pixel value group are read out from the memory, and are output to a printing apparatus.
摘要:
A dental implant is provided that is capable of reliably preventing elution of metal when the dental implant is applied within an oral cavity and capable of reliably preventing the occurrence of mismatching (bumpy occlusion or the like) when the dental implant is fixed in place. The dental implant includes an abutment comprising a titanium member composed of a body made from titanium or titanium alloy and having a recess, and a ceramic member composed of oxide-based ceramic and having a protrusion fitted within the recess. In a pre-sintered state, the recess has a first surface shape providing a clearance between the recess and the protrusion inserted therein. In a post-sintered state, the recess has a second surface shape corresponding to a surface shape of the protrusion so that the protrusion is in close contact with and fitted to the recess.
摘要:
A tool magazine that can make a long tool reasonably coexist with other tools and a machining center with the tool magazine are provided. The tool magazine has a rotatable magazine main body and plural of tool holders installed on the magazine main body. Each of the tool holders moves to a tool exchange position sequentially. A part or all of the tool holders has a capability of changing between an exchange posture that holds the tool in parallel to a rotation shaft of the magazine main body and a transport posture that holds the tool along with a plane perpendicular to the rotation shaft of the magazine main body. The tool holder capable of changing postures takes the exchange posture when it locates in the tool exchange position and takes the transport posture when it leave the exchange position. The machining center has the above tool magazine.
摘要:
There is disclosed a compound for powder metallurgy including a binder composition for powder metallurgy and a metal powder. The binder composition for powder metallurgy includes a hydrocarbon-based resin and wax, wherein the content of oxygen is 20 mass % or less. The content of the hydrocarbon-based resin in the compound for powder metallurgy is 1 to 2 times the content of the wax, by mass ratio. It is preferable that the binder composition further includes a copolymer formed through a copolymerization of a first monomer including a cyclic ether group with a second monomer.
摘要:
The invention enables a verifier to easily confirm that the image data was captured in the multiple exposure mode, and also to easily confirm which area in the image captured in the multiple exposure mode was greatly affected by multiple exposure. An image generating unit generates exposure image data pieces by exposing an image sensor a plurality of times. An image composition unit combines exposure image data pieces to generate a single piece of composite image data. A reference image generating unit generates reference image data composed of data pieces for distinguishing pixel positions at which the exposure amount exceeds a threshold from the other pixel positions. A verification data generating unit generates verification data for determining whether alteration has been made from the composite image data and the reference image data to output a single file.
摘要:
This invention specifies the presence/absence of alteration and an alteration position. A block division unit divides image data into image data of a first unit including a predetermined number of pixels. A block calculation unit calculates an image data coefficient of the first unit. A cell division unit divides one image data of the first unit into image data of a second unit. A cell calculation unit calculates an image data coefficient of the second unit. First verification data is generated by selecting two image data coefficients of the first unit and generating, for one pair, data representing the magnitude relation of the image data coefficients of the first unit. Second verification data is generated by selecting two image data coefficients of the second unit and generating, for one pair, data representing the magnitude relation of the image data coefficients of the second unit.
摘要:
An information processing apparatus that generates private information used as one of an encryption key for encrypting data or a generation key for generating falsification detection information used in detecting falsification of data, comprises a storage unit adapted to prestore key information, an input unit adapted to input calculation target information, a calculating unit adapted to perform a calculation on targeted information based on the key information held in the storage unit, a detecting unit adapted to detect a predetermined event, and a control unit adapted, when triggered by detection of the event by the detecting unit, to perform controls to generate the private information by making the calculating unit perform the calculation with the input calculation target information as the targeted information, and to place the key information stored in the storage unit in an unusable state.
摘要:
To include a plurality of core chips to which different pieces of chip information from each other are given in advance. A first refresh command is divided into a plurality of second refresh commands having different timings from each other, and a refresh operation is performed on a core chip for which a count value of the second refresh commands and at least a portion of the chip information match each other. With this configuration, even when the second refresh command is commonly supplied to a plurality of core chips, it is possible to shift a timing for the refresh operation in each of the core chips. Therefore, it is possible to reduce a peak current at the time of the refresh operation.
摘要:
An information processing apparatus inputs image data and calculates a relative magnitude between coefficient or pixel values of the input image data. The image processing apparatus generates verification data of the image data using the calculated relative magnitude.