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39results about How to "Reduce unnaturalness" patented technology

Image processing method and apparatus

InactiveUS7065257B2Increases degree of suppressionHigh noise levelTelevision system detailsCharacter and pattern recognitionReduced contrast volumeNoise level
In an image conversion method and apparatus, luminance Y3 of each pixel of a converted image is obtained by use of an expression Y3=C1Y1+C2Y2 and from luminance Y1 of a corresponding pixel of a source image, luminance Y2 of a corresponding pixel of a low frequency image, and C1 and C2 which are functions of the luminance Y2. Since C1+C2 is constant when Y2≦T2, contrast of a low frequency component can be prevented from decreasing. In a portion in which the luminance Y2 of the low frequency image is low, the low frequency image is enhanced. In a portion in which the luminance Y2 of the low frequency image is high, the low frequency image is suppressed. In a method and apparatus for detecting noise level of an original signal in real time, a plurality of local regions are set on an input image in such a manner that the local regions are distributed uniformly over the entire area of an image. In each local region, determination as to whether or not luminance is saturated is performed. Variation in luminance is detected in each of a plurality of unsaturated local regions. Noise level is determined on the basis of the detected variation.
Owner:TOYOTA CENT RES & DEV LAB INC

Vehicle surroundings display device and image providing system

In the vehicle surroundings display device of the invention, an image processor generates an image showing the situation around a vehicle. When an obstacle is detected by an obstacle detection means, the image processor determines an image missing region using the position of the border of the obstacle on the vehicle side detected by an obstacle position detection means and fills the image missing region with substitute image data. This eliminates unnaturalness of a display image the user may feel and enables the user to accurately recognize the position of a neighboring obstacle that is important in driving operation.
Owner:PANASONIC CORP

Receiver

The invention aims to reduce the amount of circuitry in a receiver for receiving broadcast radio waves transmitted using an IBOC system that allows simultaneous transmissions of an analog broadcast and a digital broadcast with the same content. The amount of circuitry is reduced by making provisions to reproduce only a monaural signal from an analog demodulator. To reduce the unnaturalness that may occur when switching from the digital broadcast to the analog broadcast, a blend processing section mixes the two signals in a smoothly varying ratio during the switching.
Owner:FUJITSU GENERAL LTD

High-naturalness real-time beautifying method and device

The invention discloses a high-naturalness real-time beautifying method and device, and the method comprises the steps: employing a single-channel high-contrast image buffing method which employs the channel with the smallest number of interference noise points in three channels r, g and b, and effectively reduces the noise interference from other channels while reducing the calculation amount; obtaining the roughness information of skin through calculating a single-channel high-contrast image buffing image, thereby avoiding the skin distortion caused by the direct filtering of the image, and improving the naturalness of skin; and employing a layer mixing and overlapping method: employing a method of filtering, light softening and brightening mixing and overlapping to achieve an effect of skin buffing and whitening and to maintain the naturalness of the image after a buffing layer is calculated and obtained. The device is used at a mobile intelligent terminal, enables human face to remain natural while beautifying, whitening and buffing the face skin, greatly reduces the buffing track, and enables the reduction degree of edges and shadows of a human face to be high.
Owner:BEIJING BYTEDANCE NETWORK TECH CO LTD

Method for adaptively adjusting gain, mapped to interface, of gesture movement

The invention discloses a method for adaptively adjusting a gain, mapped to an interface, of gesture movement. The method comprises the following steps in sequence: S1, capturing a video; S2, detecting one hands and the face of a user; S3, recognizing width information of the hand in the video; S4, acquiring position information of hand movement of the user; S5, calculating a movement speed of the hand of the user in a physical operation space; S6, calculating an adaptive cursor movement speed by adopting a function, related to the movement speed of the hand of the user, of a gain between a cursor constructed in allusion to the current gesture interaction system and the movement speed of the hand of the user; S7, carrying out weighted summation on the cursor movement speed and carrying out smooth processing; S8, calculating a movement increment which is inter-frame output by the cursor on a display screen; S9, carrying out responding on the display screen, and repeating the steps S4 to S9. According to the method, the relative stability of the gain between the cursor and the hand of the user still can be kept when the distance between the hand of the user and a camera in the direction of an optical axis changes, so that the natural and stable control of the cursor is realized.
Owner:SOUTH CHINA UNIV OF TECH

Image forming apparatus

An image forming apparatus has an image acquisition portion that acquires image data on an image including a character. A character-periphery detector detects the peripheral part of the character in the image data acquired by the image acquisition portion. An outline emphasis portion sets the density of the image data acquired by the image acquisition portion, so that the density of the peripheral part of the character detected by the character-periphery detector becomes higher than the density indicated by this image data. A density changer sets the density of the image data so that this density gradually becomes lower from the peripheral part of the character detected by the character-periphery detector toward the inside thereof. An image former forms an image on a sheet of recording paper on the basis of the image data whose density is set by the outline emphasis portion and the density changer.
Owner:KYOCERA DOCUMENT SOLUTIONS INC

Three-dimensional image output device and background image generation device

A projection (projected image) is drawn by perspective projection of a three-dimensional model with a background image having improved reality. When a sightline of the perspective projection looks down from above, the projected image is drawn into an object drawing area which is a lower part of an image picture. A background layer representing the stratosphere is separately generated by two-dimensionally drawing a background image, in which the stratosphere (hatched area) is opaque, while the remaining area is transparent. The boundary between the opaque portion and the transparent portion forms a curved line that is convex upward to express a curved horizon. The background layer is superimposed in front of the projected image, not behind the projected image, thereby covering an upper edge portion of the projected image including a straight-lined upper edge, so as to provide a curved boundary realizing a curved pseudo horizon in the image picture.
Owner:GEO TECHN LAB

Image-acquisition apparatus

The object is to provide a uniform impression of noise for an entire image signal by performing grayscale conversion and noise reduction in a balanced manner. The signal processing unit performs first signal conversion on an image signal from an image-acquisition device and transfers the processed image signal to a correction-coefficient calculation unit. The correction-coefficient calculation unit calculates, on the basis of the image signal from the signal processing unit, an area correction coefficient for each area used for grayscale conversion of each area. A noise reducing unit uses the area correction coefficients calculated by the correction-coefficient calculation unit to perform noise reduction on the image signal from the image-acquisition device and transfers the processed signal to the signal processing unit. The signal processing unit performs grayscale conversion on the areas of the noise-reduced image signal and transfers the signal to the compressing unit using the area correction coefficients.
Owner:OLYMPUS CORP

Image processing apparatus, radiation tomography apparatus, and method of performing image processing

An image processing apparatus and a radiation tomography apparatus capable of acquiring a tomographic image of high visibility are provided. The image processing apparatus initially generates a map m showing an extending direction of a linear structural object seen in an original image P0. Then, the apparatus generates an extrapolated image P1 by adding the area positioned at the side section of the original image P0 to the side section so as to extend the linear structural object seen in the side section by referring to the map m. By adding the side section to the original image P0 while shifting the pattern of the side section so as to extend the linear structural object seen in the side section of the image, the subject image can be naturally compensated. After this operation, by generating the tomographic image D, a tomographic image D having improved visibility can be generated.
Owner:SHIMADZU CORP

Display control device, imaging device, and printing device

A digital camera 1 has an image recorder 12, a microprocessor 3, and an image display controller 13. The image recorder 12 records a plurality of sequentially captured images along with a panning mode signal 60 related to the panning operation of the digital camera 1. The microprocessor 3 determines the layout of the plurality of images on the basis of the panning mode signal 60 recorded to the image recorder 12. The image display controller 13 displays a plurality of images side by side on a liquid crystal monitor 55 on the basis of the determination result of the microprocessor 3.
Owner:PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA

Information processing system, non-transitory storage medium having stored information processing program, information processing device, and information processing method

An information processing system includes: a game control unit configured to move a player character object in a virtual space; and a camera control unit configured to move a virtual camera together with the movement of the player character object in the virtual space. The camera control unit performs observation control of moving the virtual camera to make an object to be observed included in the visual field of the virtual camera in a case where the player character object is inside an observation performance region set to the object to be observed.
Owner:NINTENDO CO LTD

Image processing apparatus, method thereof, and image display apparatus

A plurality of sub-frame images are generated from an input frame image. Lightness of one or more sub-frame image included in the plurality of sub-frame images is adjusted to generate a light image and a dark image. Color-non-uniformity correction processing is performed on the light image and the dark image to reduce color non-uniformity of a display device using a correction value in accordance with an adjustment degree of the lightness.
Owner:CANON KK

Image processing apparatus and image processing method, and image capturing apparatus

An image processing apparatus comprises: an acquisition unit that acquires a first image obtained through shooting and distance information of the first image; a detection unit that detects a main subject from the first image; an extraction unit that extracts another subject from the first image based on the distance information of the main subject; a setting unit that sets parameters of one or more virtual light sources that emit virtual light to the main subject and the extracted other subject; and a processing unit that generates from the first image a second image in which the main subject and the other subject are illuminated with the virtual light using the parameters set by the setting unit.
Owner:CANON KK

Signal processing apparatus, image capturing apparatus, control apparatus, signal processing method, and control method

A signal processing apparatus comprising: an analog-digital converter that converts an analog signal output from a pixel section of an image sensor to a digital signal using a plurality of reference signals having different slopes from each other; and a determination unit that determines a signal level at which the plurality of reference signals are changed based on a distribution of the converted digital signal, wherein the analog-digital converter performs the conversion using a reference signal having a steeper slope when the analog signal is equal to or greater than the signal level than when the analog signal is smaller than the signal level.
Owner:CANON KK

Head-mounted display and brightness control method

In a head-mounted display for presenting a video by shielding an outside world from a field of view of a user when mounted on the user, an information presentation block presents information including audio and a moving image to the field of view of the user; a video reproduction block reproduces a video of content; a camera takes a video of the outside world; a switching block selectively switches between the video of the content and the video of the outside world and causes the selected video to be presented onto the information presentation block; and a gain control block, when the switching block switches from the video of the content to the video of the outside world, gradually increases a brightness of the video of the outside world.
Owner:SONY COMPUTER ENTERTAINMENT INC

Image-acquisition apparatus

The object is to provide a uniform impression of noise for an entire image signal by performing grayscale conversion and noise reduction in a balanced manner. The signal processing unit performs first signal conversion on an image signal from an image-acquisition device and transfers the processed image signal to a correction-coefficient calculation unit. The correction-coefficient calculation unit calculates, on the basis of the image signal from the signal processing unit, an area correction coefficient for each area used for grayscale conversion of each area. A noise reducing unit uses the area correction coefficients calculated by the correction-coefficient calculation unit to perform noise reduction on the image signal from the image-acquisition device and transfers the processed signal to the signal processing unit. The signal processing unit performs grayscale conversion on the areas of the noise-reduced image signal and transfers the signal to the compressing unit using the area correction coefficients.
Owner:OLYMPUS CORP

Head-mounted display and brightness control method

In a head-mounted display for presenting a video by shielding an outside world from a field of view of a user when mounted on the user, an information presentation block presents information including audio and a moving image to the field of view of the user; a video reproduction block reproduces a video of content; a camera takes a video of the outside world; a switching block selectively switches between the video of the content and the video of the outside world and causes the selected video to be presented onto the information presentation block; and a gain control block, when the switching block switches from the video of the content to the video of the outside world, gradually increases a brightness of the video of the outside world.
Owner:SONY COMPUTER ENTERTAINMENT INC

Ground surface texture drawing method and device and electronic equipment

The embodiment of the invention provides a surface texture drawing method and device and electronic equipment, and relates to the technical field of three-dimensional scene texture drawing. The method comprises the steps of performing program random sampling on each target surface texture template based on a to-be-utilized tiling value corresponding to a to-be-drawn surface area in a three-dimensional scene, and generating a to-be-tiled texture template corresponding to the target surface texture template; according to the to-be-utilized tiling value, tiling is conducted on each to-be-tiled texture template, and each to-be-mixed texture template is obtained; and by using each obtained to-be-mixed texture template, according to a template mixing weight which is set for the to-be-drawn earth surface region in advance and corresponds to each target earth surface texture template, drawing earth surface textures, and obtaining earth surface textures of the to-be-drawn earth surface region. Compared with the prior art, by applying the scheme provided by the embodiment of the invention, the phenomena of repetition and unnatural presentation of the surface texture can be reduced.
Owner:金山世游(武汉)网络科技有限公司

Image processing apparatus, method thereof, and image display apparatus

A plurality of sub-frame images are generated from an input frame image. Lightness of one or more sub-frame image included in the plurality of sub-frame images is adjusted to generate a light image and a dark image. Color-non-uniformity correction processing is performed on the light image and the dark image to reduce color non-uniformity of a display device using a correction value in accordance with an adjustment degree of the lightness.
Owner:CANON KK
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