Abstract: An image forming device includes an image forming unit, a conveying unit, a first image detecting unit, a second image detecting unit, and a controller, wherein the controller includes a detecting unit correcting mode in which the first image detecting unit is corrected by using an image detection result by the second image detecting unit, and in the detecting unit correcting mode, a transfer paper conveying speed at the time of image reading by the second image detecting unit is changed to the transfer paper conveying speed different from a normal transfer paper conveying speed at the time of image formation and the first image detecting unit is corrected based on read results of the same image by the first and second image detecting units.

Abstract: The present invention relates to an azo compound that is useful as a dichroic pigment used in a polarizing plate having excellent polarizing performance and durability and having little color leakage in a visible light region, and used in a neutral gray polarizing plate for vehicle mounting that uses the aforementioned polarizing plate. More specifically, the invention relates to an azo compound that is represented by formula (1) [In the formula, R1-R4 each independently represent a hydrogen atom, a C1-5 alkyl group, a C1-5 alkoxy group, a sulfo group, or a C1-5 alkoxy group having a sulfo group, X represents an amino group having a substituent, a benzoylamino group having a substituent, a phenylamino group having a substituent, a phenylazo group having a substituent, or a naphthotriazole group having a substituent, m represents 3 or 4, n represents 1 or 2, and p represents 1, 2, or 3.], or to a salt of said compound.

Abstract: An image processing method includes: a generating step of generating a cumulative histogram of density values of pixels included in at least each of a first image and a second image; a calculating step of calculating a distance between a density value on a first histogram generated from the first image and a density value on a second histogram generated from the second image, in a space defined to include histogram frequencies of the cumulative histograms and the density values; and a determining step of determining a correspondence relation between the density values included in the first image and the density values included in the second image based on the calculated distances between the density values, and determining a conversion function for correcting a density value between the first image and the second image based on the determined correspondence relation.

Abstract: A method of packaging medical supplies includes overlapping a front film onto a back film, at least one of the front and back film being transparent and bacteria impermeable and does not transmit molecules as large as or larger than O2, extending a material that is gas permeable and bacteria impermeable along an opening side of at least one of the front and back film, and sealing the periphery of the front and back films except for the opening to form a packaging bag; inserting medical supplies in the packaging bag and then sealing the bag; sterilizing an interior of the packaging bag with EO gas injected through the material that is gas permeable and bacteria impermeable, removing the gas after sterilization and drying; and sealing the packaging bag so that the material that is gas permeable and bacteria impermeable does not communicate with the inside of the packaging bag.

Abstract: An antenna device includes a plurality of antenna elements respectively configured to receive incident waves coming from an object, a modulating unit respectively configured to modulates a first received signal of the incident waves output from the antenna elements into a second received signal, the second received signals having a plurality of different frequencies and phases corresponding to polarization directions of the received incident waves, a synthesizing unit configured to synthesize the plurality of second received signals and generates a synthetic signal, a signal processing unit, configured to perform predetermined signal processing on the synthetic signal, and an extracting unit configured to extract third received signals for each frequency and each phase from the synthetic signal on which has been performed the predetermined signal processing.

Abstract: An image forming apparatus that includes an image forming unit that forms an image on a transfer medium, a conveying unit that conveys the transfer medium, a first image detection unit that detects the image formed by the image forming unit on the transfer medium; and a control unit that controls the forming of the image and the conveying of the transfer medium, and receives detection results from the first image detection unit and a second image detection unit, wherein the control unit determines whether the image detected by the first image detection unit has image quality higher than or equal to predetermined quality and calibrates the first image detection unit based on the detection result from the first image detection unit and the detection result from the second image detection unit for the image having the image quality higher than or equal to predetermined quality.

Abstract: A radio waves receiving unit receives horizontally polarized waves and vertically polarized waves of radio waves radiated from an object at a radiation angle. An image generation unit generates a horizontally polarized waves image and a vertically polarized waves image based on the horizontally polarized waves and the vertically polarized waves, respectively. A polarization ratio calculation unit calculates, for each radiation angle, a polarization ratio which is a ratio of intensity of the horizontally polarized waves to the vertically polarized waves based on the horizontally polarized waves image and the vertically polarized waves image. A refractive index calculation unit calculates a refractive index of the object based on a change between polarization ratios of two different radiation angles. A road surface condition recognition unit recognizes a condition of a road surface based on the refractive index.

Abstract: An image forming device includes an image forming unit, a conveying unit, a first image detecting unit, a second image detecting unit, and a controller, wherein the controller includes a detecting unit correcting mode in which the first image detecting unit is corrected by using an image detection result by the second image detecting unit, and in the detecting unit correcting mode, a transfer paper conveying speed at the time of image reading by the second image detecting unit is changed to the transfer paper conveying speed different from a normal transfer paper conveying speed at the time of image formation and the first image detecting unit is corrected based on read results of the same image by the first and second image detecting units.

Abstract: An image forming apparatus includes: a measuring section which measures a height position of a surface of a sheet at a reading position at which a reference image for image quality adjustment is read; a control section which determines a planar region of the sheet according to the height position, and determines a forming position of the reference image within the planar region; an image forming section which forms the reference image at a position of a sheet corresponding to the forming position, the sheet being newly fed after determination of the forming position; and a reading section which reads the reference image at the reading position, wherein the control section adjusts image quality by using a read value obtained from the reference image by the reading section.

Abstract: A radio waves receiving unit receives horizontally polarized waves and vertically polarized waves of radio waves radiated from an object at a radiation angle. An image generation unit generates a horizontally polarized waves image and a vertically polarized waves image based on the horizontally polarized waves and the vertically polarized waves, respectively. A polarization ratio calculation unit calculates, for each radiation angle, a polarization ratio which is a ratio of intensity of the horizontally polarized waves to the vertically polarized waves based on the horizontally polarized waves image and the vertically polarized waves image. A refractive index calculation unit calculates a refractive index of the object based on a change between polarization ratios of two different radiation angles. A road surface condition recognition unit recognizes a condition of a road surface based on the refractive index.

Abstract: A vehicle detection device includes: an antenna configured to sense electromagnetic waves; an image generation unit configured to generate a radio wave image; a road surface region detection unit configured to detect a road surface region in the radio wave image; a symmetry axis setting unit configured to set a first symmetry axis at a part of the boundary of the road surface region; a road surface reflection region setting unit configured to set a horizontal central line at a center of the radio wave image and set a road surface reflection region between the central line and the first symmetry axis; and a vehicle detection unit configured to compare the waveform of pixel outputs in the road surface reflection region with the waveform of pixel outputs in the road surface region and to detect the road surface reflection region as a vehicle.

Abstract: An image processing method includes: a generating step of generating a cumulative histogram of density values of pixels included in at least each of a first image and a second image; a calculating step of calculating a distance between a density value on a first histogram generated from the first image and a density value on a second histogram generated from the second image, in a space defined to include histogram frequencies of the cumulative histograms and the density values; and a determining step of determining a correspondence relation between the density values included in the first image and the density values included in the second image based on the calculated distances between the density values, and determining a conversion function for correcting a density value between the first image and the second image based on the determined correspondence relation.

Abstract: A vehicle detection device includes: an antenna configured to sense electromagnetic waves; an image generation unit configured to generate a radio wave image; a road surface region detection unit configured to detect a road surface region in the radio wave image; a symmetry axis setting unit configured to set a first symmetry axis at a part of the boundary of the road surface region; a road surface reflection region setting unit configured to set a horizontal central line at a center of the radio wave image and set a road surface reflection region between the central line and the first symmetry axis; and a vehicle detection unit configured to compare the waveform of pixel outputs in the road surface reflection region with the waveform of pixel outputs in the road surface region and to detect the road surface reflection region as a vehicle.

Abstract: An image forming apparatus includes: a measuring section which measures a height position of a surface of a sheet at a reading position at which a reference image for image quality adjustment is read; a control section which determines a planar region of the sheet according to the height position, and determines a forming position of the reference image within the planar region; an image forming section which forms the reference image at a position of a sheet corresponding to the forming position, the sheet being newly fed after determination of the forming position; and a reading section which reads the reference image at the reading position, wherein the control section adjusts image quality by using a read value obtained from the reference image by the reading section.

Abstract: An image processing method, an image forming apparatus and an image forming system are provided. When a printed image is read to generate data, the amount of data can effectively be reduced. A data acquisition unit acquires the print image data of each page of a reference printed copy as baseline data, and the print image data of each page of a non-reference printed copy. A differential data generating unit 65 then generates differential information by comparing the print image data of the non-reference printed copy with the baseline data for each page. With respect to non-reference printed copy, the amount of data can be reduced by generating differential information than if the print image data is used as it is. Furthermore, one copy is compared with another copy with respect to the same page of the same original so that the similarity and high data compression can be assured.

Abstract: A communication apparatus makes a request to issue an electronic certificate of a first instrument to a certificate authority and acquires the electronic certificate from the certificate authority. The communication apparatus communicates with a second instrument using the electronic certificate of the first instrument in response to reception of a request for communication with the second instrument from the first instrument. Therefore, the communication apparatus mediates information communication between the second instrument and the first instrument.

Abstract: An apparatus for outputting an image is provided. The apparatus includes a detection portion that detects a state of electronic paper placed on a predetermined location, and a transmission portion that sends, to the electronic paper, image data for displaying an image depending on the state of the electronic paper.

Abstract: An account management system includes an account management device, and an image forming device connected to the account management device via a network. The image forming device includes execution means for executing an image formation operation, and notification means for transmitting to the account management device a completion notification indicating that an image formation operation by the execution means is completed. The account management device includes an account management unit responding to reception of the completion notification for generating account information about the image formation operation corresponding to the completion notification.

Abstract: An image forming device is capable of making data communication with at least one printing device through a network. The image forming device comprises: a print job acquiring part for acquiring a print job created in response to user's instructions for printing; an image forming part for producing a printed output by executing the print job; an event detecting part for detecting occurrence of an event; and a print preview processing part for acquiring a first print preview image showing a printed output to be produced when the print job is executed in the image forming part, and a second print preview image showing a printed output to be produced when the print job is executed in the at least one printing device, and for outputting the first and second print preview images. The print preview processing part acquires and outputs the first and second print preview images when the event detecting part detects occurrence of the event.

Abstract: There are provided a packaging bag, which allows visual confirmation of the content yet does not bleach medical supplies contained therein, a packaging bag containing medical supplies, and a packaging method for medical supplies. A packaging bag 10 of the present invention includes two front and back films 11 and 12, at least one of which is transparent and are bacteria impermeable and do not transmit molecules as large as or greater than O2, wherein a material 13 that is gas permeable and bacteria impermeable is extended on the opening side of at least one of the films, and the periphery of the front and back films except for the opening is sealed. Medical supplies 15 are contained in the packaging bag 10, the opening is sealed to form a seal part 16b, and sterilization processing using EO gas or the like is executed. The EO gas is then removed and it is sealed by a seal part 16c. Even if the medical supplies 15 are exposed to an antiseptic solution such as H2O2, it will not enter the packaging bag 10.