Canon Kabushiki Kaisha

Akihiro Takamura

Takeshi Suzuki

Atsushi Date

Tetsurou Kitashou

Shinya Takeichi

Shuichi Okamura

Jun Fujisawa

Satoru Mamiya

Shigeru Sakamoto

Toru Nomakuchi

Waki Murakami

Masayuki Odagawa

Daisuke Shiraishi

Asuka Wada

Atsuo Nomoto

Wataru Ochiai

Wataru Suzuki

Yoshio Nishioka

Shigeo Kawaoka

Waki Midorikawa

A ranging device includes: a binning processing unit configured to perform binning processing for one or more frequency distributions held in one or more frequency distribution generation units of frequency distribution generation units; a determination unit configured to determine whether a component of reflected light from an object is included in the frequency distribution subjected to the binning processing; a binning setting unit configured to change the number of the frequency distribution generation units to be subjected to the binning processing performed by the binning processing unit in accordance with a result of the determination by the determination unit; and a distance calculation unit configured to calculate a distance to the object based on a time interval corresponding to a reception time of the reflected light when the determination unit determines that a component of the reflected light is included in the frequency distribution subjected to the binning processing.

Ranging device

A memory control circuit includes an access storage unit configured to store access requests for a memory, a status management unit configured to, based on the access requests stored in the access storage unit, perform priority access type switching between two access types obtained by classifying the access requests, and an access selection unit configured to select and execute an access request stored in the storage unit. The access selection unit performs, if the priority access type switching is in progress and there is time for executing an access request of a priority access type before the priority access type switching, selecting the access request of the priority access type before the priority access type switching, and if the priority access type switching is not in progress, selecting an access request of the priority access type.

Memory control circuit, information processing system, and memory control method

A by-divided area reduction ratio calculation unit determines a reduction ratio based on a deformation parameter for image deformation processing for each of a plurality of divided areas constituting an input image. A by-divided area reduction unit reduces, based on the reduction ratio determined for each of the divided areas, an image in the divided area, and stores the reduced image in a storage unit. A deformation unit performs image deformation processing based on the deformation parameter for the reduced image in the divided area stored in the storage unit.

Image processing apparatus, image processing method, and storage medium

An image processing apparatus includes an input unit configured to input a first image generated based on an electromagnetic wave other than visible light, an output unit configured to output a second image as an image obtained by emulating a displayed image using a night vision apparatus or a thermal imaging apparatus based on the first image, and a display processing unit configured to perform processing to cause a display unit to display the second image, wherein the output unit outputs, as the second image, an image obtained by performing at least one of processing to limit a spatial frequency band of the first image, processing to output the first image after storing the first image for a predetermined time, and processing to limit an amount of light of at least a partial region of the first image.

Image processing apparatus, image processing method, and storage medium storing program

A projector that displays a video image based on display data obtains procedure information corresponding to a procedure of a plurality of user operations performed to identify display data and displays a video image indicating the obtained procedure information.

Display control apparatus and display control method

An image processing apparatus generates image data for projection by applying a deformation process to obtained image data based on an input parameter related to the deformation process. The image processing apparatus prohibits execution of the deformation process if it is determined that a magnification related to the deformation process based on the input parameter with respect to the obtained image data is out of a predetermined range.

Image processing apparatus and image processing method

A quality of an image obtained by image processing is improved with a shorter amount of time spent in the image processing. An image processing apparatus includes, an acquisition unit configured to acquire an image, a determination unit configured to determine a quality of the acquired image, a switching unit configured to switch between settings of acquiring and not acquiring a reference image, from a communication apparatus connected to the image processing apparatus, used for improving the quality of the acquired image, based on the determined quality, and a processing unit configured to perform image processing by using the reference image acquired from the communication apparatus, in accordance with the switching by the switching unit.

Image processing apparatus, image processing method, and program

A control apparatus which controls an access to a memory acquires, for the access to the memory, a predetermined address corresponding to the order of addresses at which the memory is accessed, and determines whether the predetermined address is identical to the target address of the access. In a case where the predetermined address is identical to the target address, the control apparatus controls the access to the memory so as to perform page close after the end of the access to the target address.

Control apparatus, computer system, control method and storage medium

A cache storage apparatus has an entry including a tag bit for managing an address in the memory of the data, the data, and a reference count for managing a number of times that the data is referenced. If it is possible to read in the data from the entry, in a case where the reference address is for a prefetch, a value of the reference count of the entry is increased, and in a case where the reference address is for a fetch, the value of the reference count of the entry is decreased. If it is not possible to read in the data from the entry, in a case where the reference address is for a prefetch, a replacement of prefetched data in the entry is prohibited until the value of the reference count of the entry becomes zero.

Information processing apparatus, method of controlling the same and computer-readable storage medium

An information processing apparatus for determining polarity of a vertical synchronizing signal, in an effective state, included in a video signal measures a duration in which the vertical synchronizing signal maintains the same polarity, obtains the polarity of the vertical synchronizing signal when the measured duration exceeds a predetermined duration, and determines the polarity of the vertical synchronizing signal in the effective state based on the obtained polarity.

Information processing apparatus and control method thereof

An image processing apparatus and its control method receives a drawing command including a moving image drawing command and a graphics drawing command and performs drawing processing. A drawing command is received, and the moving image drawing command is separated from the graphics drawing command. A graphics drawing unit obtains the result of graphics drawing in accordance with the graphics drawing command. A moving image drawing unit generates moving image data processed in accordance with the moving image drawing command. A composition unit composes the result of graphics drawing by the graphics drawing unit with the moving image data generated by the moving image drawing unit.

Image processing apparatus and control method thereof

There is provided a processor comprising a plurality of registers, an acquisition unit, a calculation unit, a pipeline register, and a storage unit, wherein in a case in which a register indicated by source register information included in a second instruction and a register indicated by destination register information included in a first instruction match, and the second instruction or an instruction that precedes to the second instruction designates the second instruction as the last instruction that uses the calculated value obtained in accordance with the first instruction, the storage unit does not store the calculated value stored in the pipeline register in a register indicated by destination register information included in the first instruction, and stores, in other cases, the calculated value stored in the pipeline register in the register indicated by the destination register information included in the first instruction.

Pipeline processor including last instruction

A cache memory device includes a data array structure including a plurality of entries identified by indices and including, for each entry, data acquired by a fetch operation or prefetch operation and a reference count associated with the data. The reference count holds a value obtained by subtracting a count at which the entry has been referred to by the fetch operation, from a count at which the entry has been referred to by the prefetch operation. As for an entry created by the prefetch operation, a prefetch device inhibits replacement of the entry until the value of the reference count of the entry becomes 0.

Data processing apparatus and control method thereof

An image processing apparatus that generates an output image by deforming an input image by coordinate transformation, comprises a divisor calculation unit calculates a minimum value and a maximum value of a divisor, used in division operation of coordinate transformation; a coefficient calculation unit obtains a range of the divisor in a way that a result of the division operation becomes equal to or smaller than an allowable error, and calculates a normalization parameter by dividing a minimum value of the range by the minimum value of the divisor; a parameter adjustment unit calculates an adjustment parameter used in the coordinate transformation, and outputs the adjustment parameter; and an image deformation processing unit performs transformation processing of the coordinate information using the adjustment parameter, and outputs a result of the transformation processing.

Growing community of inventors

Kokubunji, Japan

Akihiro Takamura