Samsung Electronics Co., Ltd.

Korea University Research and Business Foundation

Masataka Hamada

Kenji Ishibashi

Jong-hoon Won

Kazuhiko Sugimoto

Chang-su Kim

Chul Ho Lee

Toshihiro Hamamura

Shuji Yoneyama

Jun-seong Kim

Yeong-jun Koh

Dae-youn Lee

Provided are a digital photographing apparatus and a method of controlling the same. The digital photographing apparatus includes a snap motion picture capturing mode and is capable of capturing a short-time motion picture using the same sequence as capturing of still images by pressing a capture start button.

Apparatus and method for storing moving image portions

Provided is an apparatus for measuring a distance change, the apparatus including an information acquisition unit, an object determination unit, a feature point determination unit, an optical flow calculator, a matching point determination unit, an object length change calculator that calculates a length change ratio between an object of a first frame image and an object of a second frame image by using a feature point and a matching point, and a distance change calculator that calculates a change from a distance between a camera and the object from when the camera acquires the first frame image and when the camera acquires the second frame image using the calculated length change ratio.

Apparatus, method, and processor for measuring change in distance between a camera and an object

An auto focus (AF) adjusting method, an AF adjusting apparatus, and a digital photographing apparatus including the same, the AF adjusting apparatus including: an AF calculator for calculating focus detection evaluation values; a peak detector for detecting a peak position of the focus detection evaluation values; and a speed calculator for calculating a moving speed of a subject by using the peak position. When continuous photographing of still images is performed, the peak detector detects the peak position in an image pickup interval before a light exposure preparation interval for image capturing, and the focus lens driver performs moving body compensation driving for compensating for a focal position by using a moving speed calculated in the light exposure preparation interval before capturing starts.

Auto focus adjusting method, auto focus adjusting apparatus, and digital photographing apparatus including the same

A digital image processing apparatus and a method of controlling the same are provided. The method of controlling an image plane phase difference digital image processing apparatus, the method includes, in a continuous photographing mode for continuously capturing still images, performing a first focus detection by detecting phase difference of an image captured during a first image capture; performing a second focus detection by detecting phase difference of an image captured during a second image capture; determining moving speed of an object based on results of the first focus detection and the second focus detection; and correcting focus location by driving a focusing lens based on the determined moving speed of the object.

Electronic apparatus and method of controlling the same

An imaging device including 2-dimensionally arranged pixels for receiving light is provided. The imaging device includes a first area configured to detect a horizontal phase difference based on horizontal phase difference information obtained from pixels configured to detect the horizontal phase difference, a second area configured to detect a vertical phase difference based on vertical phase difference information obtained from pixels configured to detect the vertical phase difference, and a third area configured to detect horizontal and vertical phase differences based on horizontal phase difference information and vertical phase difference information obtained from pixels configured to detect the horizontal and vertical phase differences, wherein the first area is adjacent to a horizontal border of the third area, wherein the second area is adjacent to a vertical border of the third area, and wherein the third area is located at a center of the imaging device.

Imaging sensor capable of detecting phase difference of focus

An imaging device includes phase difference detection pixels. The imaging device receives an image formed by an optical system and includes a plurality of pixels that are two-dimensionally arranged. Each of the plurality of pixels include a micro lens; a photoelectric conversion unit positioned below the micro lens; and an optical aperture disposed between the micro lens and the photoelectric conversion unit and that is eccentric with respect to an optical axis of the micro lens, wherein the plurality of pixels of the imaging device output a signal for obtaining phase difference. The imaging device performs phase difference detection on the entire surface of a captured image without addition of pixels.

Imaging device for phase difference detection

A focus detecting apparatus includes: a lens; a light-transmitting unit; a light-receiving unit; and an optical film that transmits a beam of light passing through the lens and includes a holographic optical element, a diffractive optical element, or a pellicle mirror, wherein a beam of light from the light-transmitting unit is reflected on a reflection mirror including the optical film, passes through a first exit pupil area on one side of an optical axis, and is transmitted to the subject, a beam of reflected light of light irradiated onto the subject passes through a second exit pupil area on another side of the optical axis, is reflected on the reflection mirror and received by the light-receiving unit, and a focal position is obtained using position information of the beam of light received by the light-receiving unit. Autofocusing can be continuously performed during continuous photographing operation and in low brightness environment.

Focus detecting apparatus

A digital photographing apparatus includes: an image pickup lens; an image pickup device that generates an image signal; an iris that controls an amount of the light transmitted through the image pickup lens; a shutter that controls exposure; a focus detector that detects focus using light transmitted through a predetermined exit pupil region of the lens; and a timing unit that controls a time for closing and/or opening the shutter, when the image pickup device outputs image information, where regardless of the time for closing and/or opening the shutter, the focus detector detects a focus when the iris has an iris value for ensuring transmission of a light flux used to detect the focus, after the exposure is finished. To precisely perform auto focus (AF), the digital photographing apparatus performs continuous AF or simultaneously displays a live view in consideration of timing for adjusting the iris and timing for controlling the shutter.

Digital photographing apparatus with focus detector comprising a phase difference detector

Digital photographing apparatus having first and second recording modes and method for controlling the same

A method of generating a saliency image, which includes: converting an input image into an input image of the first size and an input image of the second size; applying a saliency extraction scheme to the input image of the first size to generate a first saliency image; converting the first saliency image to the second size; extracting an area that satisfies a first condition from the converted first saliency image; determining an area of the input image of the second size that corresponds to the extracted area; and generating a second saliency image by multiplying an image generated by applying the saliency extraction scheme to the determined area, and the converted first saliency image.

Method and apparatus for generating hierarchical saliency images detection with selective refinement

A photographing system including a photographing device for capturing an image, and a lighting device that is capable of being mounted on the photographing device is provided. The lighting device includes a plurality of light sources configured as a solid state light-emitting device, and has a photographing auxiliary light function for allowing the solid state light-emitting device to be turned on to emit light during photographing and an autofocus (AF) auxiliary light function for allowing the solid state light-emitting device to be turned on to emit a predetermined amount of light when contrast AF is performed. And at least part of the light sources is shared when the photographing auxiliary light function and the AF auxiliary light function are performed.

Lighting device and photographing system including the same

Provided are a focusing apparatus for generating an image signal by converting image light incident through a focus lens to an electrical signal by an image pickup device, storing the image signal in a memory, calculating an AF evaluation value for an image signal read from the memory in a direction different from a reading direction of the image pickup device, and driving the focus lens by deriving a focus lens position corresponding to the calculated AF evaluation value, a focusing method thereof, and a recording medium for recording the focusing method. Accordingly, a focus can be correctly adjusted for various subject images, and a focus can be effectively adjusted for the images even in a high speed capturing mode.

Focusing apparatus, focusing method and medium for recoring the focusing method

An imaging device capable of phase difference focus detection is described. The imaging device includes a plurality of pixels that are 2-dimensionally arranged and which receive image light. At least one pixel of the plurality of pixels comprises: a micro lens; a plurality of photoelectric conversion units, which are biased around an optical axis of the micro lens; and a control unit, which limits generation of electrons photoelectrically converted at at least one photoelectric conversion unit of the plurality of photoelectric conversion units.

Growing community of inventors

Suwon-si, South Korea

Masataka Hamada