An optical device includes: a lens body having multiple lenses arranged such that optical axes thereof are parallel to one another; a light-shielding wall that is disposed for the lens body and blocks, in an optical axis direction, portion of light directed to the multiple lenses; and a sheet member that covers a surface of the light-shielding wall, the surface being perpendicular to the optical axes, and allows light to pass therethrough.

An image processing apparatus includes a block output unit, an arithmetic processing circuit, a data reading circuit, and a block descriptor generation unit. The block output unit outputs a block image based on an input block descriptor. The data reading circuit reads the block image after image processing from the arithmetic processing circuit based on an output block descriptor and outputs the block image after the image processing. The arithmetic processing circuit executes the image processing on block images for one band in accordance with an input band request. The data reading circuit outputs block images for one band in accordance with an output band request. The block descriptor generation unit stores input block descriptors and output block descriptors for at least one band in the predetermined memory in line with timing of the input band request or the output band request.

A method of controlling an image processing apparatus makes it possible to suppress, in an auto color selection function, color determination resulting from a minute color element of a document without troubling a user.

The present invention provides an image processing apparatus comprising: a memory device that stores a set of instructions; and at least one processor that executes the set of instructions to: detect alteration of an application held in the image processing apparatus; determine, upon detecting alteration, whether or not an application in which alteration has been detected is a pre-installed application; and enabling, as a result of the determination, in a case where the application in which alteration has been detected is a pre-installed application, the use of the application by installing the application using pre-held information.

A method is disclosed comprising: connecting, by a part scanner, to a blockchain platform; outputting a user interface, the user interface including at least a first input component and a second input component; capturing an image of a surface of a part; outputting the image in the user interface; generating a surface descriptor based on the image; when the first input component is activated, attempting to store, in the blockchain platform, an authentication record that is generated based on the surface descriptor, and outputting, in the user interface, an indication of an outcome of the attempt to store the authentication record in the blockchain platform; and when the second input component is activated, attempting to authenticate the part based on the surface descriptor and outputting, in the user interface, an indication of an outcome of the attempt to authenticate the part.

An image reading apparatus capable of determining whether or not to perform an inclination correction for an original to be read is provided. The image reading apparatus comprises a pair of guide plates to sandwich an end of the original in a width direction, an original guide width detection sensor for measuring a width between the guide plates with the original sandwiched, various rollers for conveying the original, and a surface reading unit for reading an image of the original. The image reading apparatus further comprises an image processing part which detects the width of the original being conveyed as an original width to detect an amount of inclination of the original being conveyed. Further, the image processing part corrects the image of the original read in accordance with the amount of inclination detected. The image reading apparatus compares the guide width with the original width and controls whether or not to perform the inclination correction in accordance with a result of the comparison.

An image processing apparatus includes a storage device, an image reading device, a complementary image storage device, and a control device. The complementary image storage device stores a complementary image for complementing an incomplete two-dimensional code. The control device includes a processor and functions, through the processor executing a control program, as a detector, a synthesizer, and an analyzer. The detector detects, from the image obtained through the reading of the image reading device, the incomplete two-dimensional code. The synthesizer synthesizes the incomplete two-dimensional code detected by the detector and the complementary image stored in the complementary image storage device to generate a complete two-dimensional code. The analyzer analyzes the complete two-dimensional code generated by the synthesizer and activates an extension function.

A document reading apparatus includes a scanner, an input device receiving an input of a width and length, and a processor configured to scan an area specified based on the input length and generate a first image, generate a second image by removing a part of the first image so that a width of the second image is equal to or greater than the input width, detect a background or non-background area in the second image, determine whether the input is appropriate based on whether all sides of an area specified based on the input width and length overlap the background area or none of the sides overlaps the non-background area on the second image, and when the input is appropriate, output a third image in which the background area is removed or the non-background area is extracted from the second image.

Devices and methods automatically detach a note sheet from a document to which the note sheet is detachably attached and scanning the note sheet separately from the note-sheet-detached document to yield digitalized copies of the document and note-sheet. A note display-processing unit involving the devices and methods processes the digitalized document copy and the digitalized note-sheet copy to generate note-embedded document data producing, when the note-embedded document data is displayed on a computer display, a digitalized document copy with a note-sheet-representing icon, added to the digitalized document copy at a predetermined position thereon, that causes the digitalized note-sheet copy to appear whenever a display-interactive cursor moves over the icon. The note sheet may be automatically reattached to the document in the note sheet's original position on the document.

An image forming apparatus for forming an image on a sheet includes a reading section, a determining section, a generation section, a searching section, and a placement section. The reading section reads a predetermined shape from an original document. The determining section determines whether or not the predetermined shape contains a first image. The generation section generates a first search condition based on the first image. The searching section searches for at least one second image fulfilling the first search condition from a storage apparatus storing a plurality of images. The placement section places the second image in a first area in which the predetermined shape is located.