Abstract: A safety monitoring device (10) includes the area setting unit (12) capable of setting a plurality of alarm activation target areas with respect to a sensing target area of a safety sensor, an alarm activation type setting unit (13) capable of setting the type of an arbitrary alarm activation function with respect to each of the alarm activation target areas, and a moving body recognition analysis unit (16) that recognizes the motion of a moving body on the basis of sensor data measured by the safety sensor. The safety monitoring device includes a sensor data acquisition unit (lidar data acquisition unit (15)) that acquires three-dimensional data as sensor data from the safety sensor. The moving body recognition analysis unit extracts a moving body from the sensing target area on the basis of the three-dimensional data and senses traveling of the moving body to each of the alarm activation target areas.

Abstract: The present invention is to provide a distance measuring device capable of distinguishing between a reflection from fog or the like and a reflection from an actually existing object in an environment such as fog.

Abstract: An image forming apparatus that prints an adjustment pattern on a sheet includes a generator and an image former. The adjustment pattern is for correcting a color value obtained by reading a second patch region on the sheet with a second reader based on a color value obtained by reading a first patch region on the sheet with a first reader. The generator generates image data of the adjustment pattern, and the image former performs printing based on the image data. The adjustment pattern includes a first patch printed in the first patch region and a second patch printed in a region other than the first patch region in the second patch region. The second patch includes a common color patch in a same color as a color of the first patch, and a size of the first patch is larger than a size of the second patch.

Abstract: A distance up to an object which is even an object, such as a black vehicle, whose reflected waves cannot be obtained is detected. An image processing device 200 performs determination processing, as to pixels of distance measuring point group data obtained in measurement made by a ToF system, which determines a condition (i): distance values of the pixels are identifiers which indicate that the distance values are not obtained; a condition (ii): distance values of reference background data corresponding to pixels being targeted for the determination processing are not the identifiers; and a condition (iii): distance values of neighboring pixels which neighbor determination target pixels are smaller than the distance values of the reference background data corresponding to the neighboring pixels, and when all of the conditions (i) to (iii) are satisfied, predetermined distance values are substituted for the distance values of the pixels being targeted for the determination.

Abstract: An image forming apparatus that prints an adjustment pattern on a sheet includes a generator and an image former. The adjustment pattern is for correcting a color value obtained by reading a second patch region on the sheet with a second reader based on a color value obtained by reading a first patch region on the sheet with a first reader. The generator generates image data of the adjustment pattern, and the image former performs printing based on the image data. The adjustment pattern includes a first patch printed in the first patch region and a second patch printed in a region other than the first patch region in the second patch region. The second patch includes a common color patch in a same color as a color of the first patch, and a size of the first patch is larger than a size of the second patch.

Abstract: The present invention is to provide a distance measuring device capable of distinguishing between a reflection from fog or the like and a reflection from an actually existing object in an environment such as fog.

Abstract: An image forming apparatus that prints an adjustment pattern on a sheet includes a generator and an image former. The adjustment pattern is for correcting a color value obtained by reading a second patch region on the sheet with a second reader based on a color value obtained by reading a first patch region on the sheet with a first reader. The generator generates image data of the adjustment pattern, and the image former performs printing based on the image data. The adjustment pattern includes a first patch printed in the first patch region and a second patch printed in a region other than the first patch region in the second patch region. The second patch includes a common color patch in a same color as a color of the first patch, and a size of the first patch is larger than a size of the second patch.

Abstract: An image forming apparatus, including: an image former; a first reader which outputs a first color value and a second reader which outputs a second color value; and a hardware processor, wherein the first reader reads a partial region, the second reader is capable of reading an entire region, the adjustment pattern has a first patch region readable by the first reader and a second patch region readable by only the second reader, the second patch region includes a common color patch, the hardware processor obtains an estimate first color value by converting a second color value in the second patch region into a first color value, obtains a correction value of the estimate first color value for the common color patch, and corrects the estimate first color value obtained from every patch in the second patch region based on the correction value.

Abstract: An image inspection apparatus includes: an image forming apparatus that is capable of forming an image of a plurality of colors and includes: an inspector that compares a scanned image obtained by scanning a surface of a sheet on which a job image and a marker image are formed with a reference image, and detects a defect in the scanned image, wherein a color of the marker image is a color having the lowest visibility, and the inspector extracts feature points of the job image and of the marker image from a scanned image of a color corresponding to a complementary color of the color having the lowest visibility included in the scanned image, and determines a position of the scanned image corresponding to the reference image based on the extracted feature points and feature points of the job image and of the marker image in the reference image.

Abstract: An image inspection apparatus includes: an image forming apparatus that is capable of forming an image of a plurality of colors and includes: an inspector that comperes a scanned image obtained by scanning a surface of a sheet on which a job image and a marker image are formed with a reference image, and detects a defect in the scanned image, wherein a color of the marker image is a color having the lowest visibility, and the inspector extracts feature points of the job image and of the marker image from a scanned image of a color corresponding to a complementary color of the color having the lowest visibility included in the scanned image, and determines a position of the scanned image corresponding to the reference image based on the extracted feature points and feature points of the job image and of the marker image in the reference image.

Abstract: An image forming apparatus, including: an image former; a first reader which outputs a first color value and a second reader which outputs a second color value; and a hardware processor, wherein the first reader reads a partial region, the second reader is capable of reading an entire region, the adjustment pattern has a first patch region readable by the first reader and a second patch region readable by only the second reader, the second patch region includes a common color patch, the hardware processor obtains an estimate first color value by converting a second color value in the second patch region into a first color value, obtains a correction value of the estimate first color value for the common color patch, and corrects the estimate first color value obtained from every patch in the second patch region based on the correction value.

Abstract: A communication device includes a communication circuit configured to transmit, when detecting an interruption of communication performed via a first communication interface, information indicating the interruption of the communication, via a second communication interface; and a protection circuit configured to supply power to the communication circuit, when an interruption of power to be supplied to the communication circuit is detected, wherein, when the interruption of the power is detected, the communication circuit transmits information indicating the interruption of the power via the second communication interface, by using the power supplied from the protection circuit, and when the interruption of the power and the interruption of the communication are both detected, the communication circuit transmits the information indicating the interruption of the power, of the information indicating the interruption of the communication and the information indicating the interruption of the power, via the secon

Abstract: An image processing device includes a feature point detecting section which detects a feature point from an image and which includes a ternarizing section and a determining section. The ternarizing section sets each pixel of the image as a target pixel and inputs pixel values of the target pixel and surrounding pixels. The ternarizing section changes each of the pixel values of the surrounding pixels to one of three signal values which represent that brightness of a surrounding pixel is brighter or darker than or similar to brightness of the target pixel. When the number of consecutive surrounding pixels having the same signal value is equal to or greater than a threshold, the determining section determines the target pixel as the feature point.

Abstract: An image processing apparatus receiving a pixel value of a multivalue image includes: an input noise generating section that generates a noise; a green noise generating section that generates a green noise from an output value of a binarized processed pixel; an adder section that adds an error integrated value, the green noise and the noise, to the pixel value of the target pixel; the threshold value processing section that binarizes the pixel value of the target pixel after adding the error integrated value, the green noise and the noise; a subtractor section that calculates an error value by calculating a difference between an output value of the binarized target pixel and the pixel value of the target pixel including the error integrated value and the noise; and an error integrating section that outputs the error integrated value by using the error value of the binarized processed pixel.

Abstract: An image forming apparatus includes an image forming section which forms an image on a sheet, a reading section which reads the image formed on the sheet by the image forming section, and a control section. The control section allows the image forming section to form a reference image for evaluation of image quality, allows the reading section to read the reference image at a resolution lower than a resolution at which the reference image is formed, obtains read values of the reference image, the resolution of which has been made higher than the resolution of the reference image read by the reading section using the read reference image, and creates evaluation data based on the obtained read values.

Abstract: An image processing device includes a feature point detecting section which detects a feature point from an image and which includes a ternarizing section and a determining section. The ternarizing section sets each pixel of the image as a target pixel and inputs pixel values of the target pixel and surrounding pixels. The ternarizing section changes each of the pixel values of the surrounding pixels to one of three signal values which represent that brightness of a surrounding pixel is brighter or darker than or similar to brightness of the target pixel. When the number of consecutive surrounding pixels having the same signal value is equal to or greater than a threshold, the determining section determines the target pixel as the feature point.

Abstract: An image processing apparatus which sets threshold value matrices for performing screen processing using the threshold value matrices for respective pieces of image data for a plurality of colors according to an output image, the apparatus including: an allocation section which distributes and allocates memories to the respective threshold value matrices used for the respective pieces of the image data for the plurality of colors within a range that a total of memory allocation amounts to the threshold value matrices is equal to or less than a predetermined upper limit size; a setting section which sets the threshold value matrices in sizes according to the respective memory allocation amounts; and a storage section which stores the set plurality of threshold value matrices in respective allocated memory areas.

Abstract: An image processing apparatus receiving a pixel value of a multivalue image includes: an input noise generating section that generates a noise; a green noise generating section that generates a green noise from an output value of a binarized processed pixel; an adder section that adds an error integrated value, the green noise and the noise, to the pixel value of the target pixel; the threshold value processing section that binarizes the pixel value of the target pixel after adding the error integrated value, the green noise and the noise; a subtractor section that calculates an error value by calculating a difference between an output value of the binarized target pixel and the pixel value of the target pixel including the error integrated value and the noise; and an error integrating section that outputs the error integrated value by using the error value of the binarized processed pixel.

Abstract: Disclosed is an image processing apparatus to perform screen processing for image data, and to form an image based thereon, comprising a screen processing unit to perform the screen processing by using a subcell corresponding to a plurality of pixels, and in which a first and a second threshold values are determined according to each position of the pixels, wherein the screen processing unit obtains threshold values, to output either an invariable value Dmin, an invariable value DMax, or an interpolated value of the two invariable values, and wherein the subcell is determined so that the first threshold value of a given pixel is larger than the first threshold value of a prior pixel and is smaller than the second threshold value thereof, the threshold values of the prior pixel being determined so that a dot is formed in the prior pixel earlier than in the given pixel.

Abstract: An image processing apparatus which sets threshold value matrices for performing screen processing using the threshold value matrices for respective pieces of image data for a plurality of colors according to an output image, the apparatus including: an allocation section which distributes and allocates memories to the respective threshold value matrices used for the respective pieces of the image data for the plurality of colors within a range that a total of memory allocation amounts to the threshold value matrices is equal to or less than a predetermined upper limit size; a setting section which sets the threshold value matrices in sizes according to the respective memory allocation amounts; and a storage section which stores the set plurality of threshold value matrices in respective allocated memory areas.