| Patent application number | Description | Published |
|---|
| 20080215184 | Method for searching target object and following motion thereof through stereo vision processing and home intelligent service robot using the same - A home intelligent service robot for recognizing a user and following the motion of a user and a method thereof are provided. The home intelligent service robot includes a driver, a vision processor, and a robot controller. The driver moves an intelligent service robot according to an input moving instruction. The vision processor captures images through at least two or more cameras in response to a capturing instruction for following a target object, minimizes the information amount of the captured image, and discriminates objects in the image into the target object and obstacles. The robot controller provides the capturing instruction for following the target object in a direction of collecting instruction information to the vision processor when the instruction information is collected from outside, and controls the intelligent service robot to follow and move the target object while avoiding obstacles based on the discriminating information from the vision processor. | 09-04-2008 |
| 20090060280 | STEREO VISION SYSTEM AND STEREO VISION PROCESSING METHOD - A stereo vision system includes an image pre-processing unit for pre-processing the right and left images, and a stereo matching unit for carrying out stereo matching of the right and left images to acquire low-resolution distance information of the right and left images and high-resolution distance information of the right and left images upon detection of an object within a distance range through the low-resolution distance information. | 03-05-2009 |
| 20100004784 | Apparatus and method for effectively transmitting image through stereo vision processing in intelligent service robot system - A data transmission apparatus of an intelligent robot system and a method thereof are provided. The data transmission apparatus includes a vision processor collector, a communicating unit, and a controller. The vision processor collects images captured through a camera, and performs an image process on the collected image to minimize a quantity of information about unnecessary regions in the collected image. The communicating unit communicates with the robot server, transmits the processed image data from the vision processor to the robot server, and receives corresponding result data from the robot server. The controller controls the image process and the transmission of the processed image data in the vision processor, and a corresponding operation of the robot terminal performed according to result data received from the robot server. | 01-07-2010 |
| 20100066811 | STEREO VISION SYSTEM AND CONTROL METHOD THEREOF - Provided are a stereo vision system and a control method thereof. A stereo vision system includes an image information extracting unit receiving left and right images of the left and right stereo cameras to extract color information for a brightness control of the images from the received images, an image preprocessing unit performing a process for reducing noises of the left and right images using the color information and a prestored calibration parameter, a stereo matching unit performing stereo matching of the left and right images processed by the image preprocessing unit through an algorithm to obtain a depth map, and a matching result measuring unit receiving the depth map obtained by the stereo matching unit to measure a matching degree, and changing the prestored calibration parameter according to a result of the measurement. | 03-18-2010 |
| 20100142828 | IMAGE MATCHING APPARATUS AND METHOD - Provided are an image matching apparatus and method, and the image matching apparatus includes a determining unit determining whether a node, in which a first pixel of a left image of a subject and a second pixel of a right image of the subject corresponding to the first pixel are calculated, is a matchable region, and an operating unit calculating a disparity value by using the brightness information of a left window composed of the first pixel corresponding to the node and peripheral pixels surrounding the first pixel and the brightness information of a right window composed of the second pixel corresponding to the node and peripheral pixels surrounding the second pixel, when the node is the matchable region as a result of the determination. | 06-10-2010 |
| 20100158387 | SYSTEM AND METHOD FOR REAL-TIME FACE DETECTION USING STEREO VISION - A system and a method for detecting a face are provided. The system includes a vision processing unit and a face detection unit. The vision processing unit calculates distance information using a plurality of images including a face pattern, and discriminates between a foreground image including the face pattern and a background image not including the face pattern, using the distance information. The face detection unit scales the foreground image according to the distance information, and detects the face pattern from the scaled foreground image. | 06-24-2010 |
| 20100259597 | FACE DETECTION APPARATUS AND DISTANCE MEASUREMENT METHOD USING THE SAME - Provided are a face detection apparatus and a distance measurement method using the same. The face detection apparatus detects a face using left and right images which are acquired from a stereo camera. The face detection apparatus measures distance from the stereo camera to the face using an image frame which is provided from the stereo camera without a stereo matching process. Accordingly, the face detection apparatus simultaneously performs face detection and distance measurement even in a low-performance system. | 10-14-2010 |
| 20110007983 | METHOD AND APPARATUS OF DETECTING IMAGE OBJECTS - An image object detection apparatus includes a noise filtering block for removing image noise an input image, an image scaling block for scaling the noise-removed input image to produce a scaled input image, an image conversion block for dividing the scaled input image into multiple regions and converting the divided image by a modified census transform (MCT) method, a data processing block for comparing MCT values of the image converted by the MCT method with a preset threshold, detecting at least one candidate region and identifying a human region from said at least one detected candidate region, and an image output block for marking the identified human region on the noise-removed input image. | 01-13-2011 |
| 20110135199 | CODING APPARATUS AND METHOD FOR SIMULTANEOUS TRANSMISSION OF IMAGE PROCESSING INFORMATION AND COLOR INFORMATION - A coding apparatus for simultaneous transmission of image processing information and color information includes: an image sensor for photographing a color image; and an image preprocessing device for performing image processing on the photographed color image, and then encoding image processing result data and the color image to output encoded data. Further, the coding apparatus for simultaneous transmission of image processing information and color information includes a central processing unit for decoding the encoded data to extract the image processing result data and the color image. | 06-09-2011 |
| 20120087543 | IMAGE-BASED HAND DETECTION APPARATUS AND METHOD - An image-based hand detection apparatus includes a hand image detection unit for detecting a hand image corresponding to a shape of a hand clenched to form a fist from an image input. A feature point extraction unit extracts feature points from an area, having lower brightness than a reference value, in the detected hand image. An image rotation unit compares the feature points of the detected hand image with feature points of hand images stored in a hand image storage unit, and rotates the detected hand image or the stored hand images. A matching unit compares the detected hand image with the stored hand images and generates a result of the comparison. If at least one of the stored hand images is matched with the detected hand image, a hand shape recognition unit selects the at least one of the stored hand images as a matching hand image. | 04-12-2012 |
| 20120154545 | IMAGE PROCESSING APPARATUS AND METHOD FOR HUMAN COMPUTER INTERACTION - Disclosed herein is an image processing apparatus for human computer interaction. The image processing apparatus includes an image processing combination unit and a combined image provision unit. The image processing combination unit generates information processed before combination using right and left input images captured by respective right and left stereo cameras. The combined image provision unit provides a combined output image combined into a single image by selecting only information desired by a user among the information processed before combination. | 06-21-2012 |
| 20130162522 | METHOD AND APPARATUS FOR CONTROLLING POWER OF DISPLAY DEVICE USING FRONTAL FACE DETECTOR - Disclosed are a method and an apparatus for controlling power of a display device using a frontal face detecting device. The method for controlling power of a display device includes: determining whether a face of a user is present in front of the display device; confirming a power state of the display device; and repeatedly performing the determining of whether the face of a user is present according to determined presence of the face and the confirmed power state to control power of the display device. The method intelligently recognizes a use purpose of a user from the display device, thereby managing power of the display device, and controlling power of the display device without requiring a separate action by a user for managing device power. | 06-27-2013 |
| 20140132501 | METHOD AND APPARATUS FOR PROJECTING PATTERNS USING STRUCTURED LIGHT METHOD - This specification provides a method of projecting patterns using a structured light method and a stereo vision apparatus using the same. The apparatus includes a Laser Diode (LD), an optical splitter configured to receive a light source from the LD and copy a plurality of light sources having identical characteristics with the light source of the LD, and a plurality of diffusers configured to receive the plurality of light sources copied by the optical splitter and optically project patterns. | 05-15-2014 |
| 20140219549 | METHOD AND APPARATUS FOR ACTIVE STEREO MATCHING - An active stereo matching method includes extracting a pattern from a stereo image, generating a depth map through a stereo matching using the extracted pattern, calculating an aggregated cost for a corresponding disparity using a window kernel generated using the extracted pattern and a cost volume generated for the stereo image, and generating a disparity map using the depth map and the aggregated cost. | 08-07-2014 |
