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Robot Perception and Vision

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Depth Mapping

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Depth Mapping creates a map that corresponds each point in the image with a distance or depth. It is widely used in 3D modeling, gesture recognition, and autonomous navigation.

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Kalman Filter

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The Kalman Filter is an algorithm that uses a series of measurements observed over time to estimate uncertain variables by minimizing the mean of the squared error. It's applied in sensor fusion for robot localization and navigation systems.

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Optical Flow

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Optical Flow calculates the movement of objects between consecutive frames of video by analyzing the apparent motion of brightness patterns. It's used in motion detection, tracking objects, and navigation for robotic systems.

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Histogram of Oriented Gradients (HOG)

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HOG is a feature descriptor that counts occurrences of gradient orientation in localized portions of an image. It is particularly useful for human detection in robotics and is applied in surveillance and human-robot interaction scenarios.

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Visual Odometry

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Visual Odometry estimates the ego-motion of an agent (like a robot) by analyzing the changes in camera images over time. It is widely used in augmented reality and robotics, particularly for robots operating in GPS-denied environments or prolonged missions.

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Visual SLAM (Simultaneous Localization and Mapping)

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Visual SLAM creates a map of an unknown environment while at the same time tracking the robot's location within it. It's a key technology for autonomous robots, especially in GPS-denied environments like indoor settings or space exploration.

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Feature Extraction

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Feature Extraction involves identifying and describing salient points or patterns in an image, which are invariant to scaling, rotation or illumination. It enables robots to recognize objects or landmarks and is used in robotic mapping and SLAM algorithms.

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Random Forests for Image Classification

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Random Forests are ensemble learning methods for classification. By using multiple decision trees, they improve robustness and accuracy in image classification for robotics, particularly in complex scenes with overlapping objects.

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Simultaneous Localization and Mapping (SLAM)

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SLAM estimates the robot's pose and maps the environment concurrently, which is essential for autonomous navigation, particularly in unknown environments. It's fundamental in robotic vacuum cleaners, drones, and other autonomous robots.

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Reflectance Modeling

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Reflectance Modeling predicts how light reflects from surfaces, aiding in the determination of material properties or illumination conditions. It's applied in robot-assisted quality inspection and material classification.

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Edge Detection

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Edge Detection identifies the boundaries within images by detecting discontinuities in brightness. This technique is crucial for object recognition and navigation. It is applied in robotic surgery and precision agriculture.

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Point Cloud Processing

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Point Cloud Processing involves managing and using data points in a three-dimensional coordinate system. These are generated by 3D scanners to represent the external surface of an object. Applications include object modeling and environment mapping in robotics.

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Intrinsic and Extrinsic Parameters

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Intrinsic parameters define the internal optical characteristics of the camera, while extrinsic parameters describe its position and orientation in space. Accurate parameter calibration is critical for computer vision tasks in robotics accuracy.

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Gabor Filters

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Gabor Filters are used for texture and edge analysis by capturing local spatial frequency characteristics. They find applications in robot vision for materials handling, inspection and classification tasks.

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Support Vector Machines (SVM) for Image Classification

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SVMs are supervised learning models that analyze data for classification and regression analysis. In robotics, SVMs are used for image recognition tasks, such as identifying objects on a conveyor belt or sorting items by visual criteria.

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Principal Component Analysis (PCA) for Image Compression

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PCA is a statistical technique used to emphasize variation and capture strong patterns in a dataset. It reduces data dimensionality when applied to images and is used in robot vision systems to compactly represent visual data.

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Multi-view Geometry

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Multi-view Geometry deals with the relationships between points in multiple views, and it's a key concept for reconstructing the 3D structure of a scene based on several images. It helps robots in creating precise maps of their surroundings.

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Scale-Invariant Feature Transform (SIFT)

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SIFT detects and describes local features in images, which can be used for matching different views of an object or scene. It's key in object recognition and is employed in robot navigation and manipulation tasks.

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Region of Interest (ROI) Tracking

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ROI Tracking identifies and follows specified regions through successive frames of video. It's essential for surveillance and interactive robotics where a robot must focus on particular items or features in the visual environment.

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Image Pyramids

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Image Pyramids represent a given image at various levels of resolution, often used to apply image processing operations at multiple scales. They're used in tasks like object detection at varying ranges and multiscale image analysis in robotics.

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Speeded Up Robust Features (SURF)

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SURF is a faster alternative to SIFT for detecting and describing local features in images, using integral images for image convolutions. It's used in time-sensitive applications like robotic vision and real-time object recognition.

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Bio-inspired Vision Systems

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Bio-inspired Vision Systems emulate the functioning of biological vision, capitalizing on strategies that evolution has optimized. They are applied in robotics to achieve more adaptive and resilient vision capabilities.

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Photometric Stereo

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Photometric Stereo obtains high resolution details of object surfaces by observing the object under different lighting conditions. This technique is utilized for precise texture mapping and object detection in industrial robotics.

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Color Segmentation

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Color Segmentation groups parts of an image together that have similar colors. It simplifies image analysis by reducing complexity and is used in applications like product sorting and quality control in manufacturing.

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Template Matching

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Template Matching is a technique where a smaller image or template is slid over a larger image to find parts of an image that match the template. Its applications include industrial robotics for assembly lines and automated inspection.

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3D Reconstruction

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3D Reconstruction creates a 3D model of an object or scene from images or video. This complex process is crucial for applications such as robotic surgery, archaeological site reconstruction, and industrial design.

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Active Contour Models

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Active Contour Models, or 'snakes', are used for edge detection and segmentation by evolving a curve based on constraints and image forces. They're useful in medical image analysis and robotic vision where precise boundary detection is essential.

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Gaussian Mixture Models (GMM) for Image Segmentation

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GMMs use a combination of Gaussian probability distributions to model and cluster different regions in images. They are applied in medical image analysis and in robotics for scene understanding and environment interaction.

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Belief Propagation for Image Processing

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Belief Propagation is an algorithm typically used for performing inference on graphical models. It can be employed to improve stereo vision performance and other image restoration tasks in robotics vision systems.

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Structured Light 3D Scanning

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Structured Light 3D Scanning projects a known pattern of light onto a scene and observes the deformation of this pattern to infer depth. It is utilized for precise 3D measurements in quality control and metrology in industrial robotics.

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Bag of Visual Words (BoVW)

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BoVW is an image classification technique that treats image features as words in a text document, applying methods from natural language processing to the problem of object recognition in robotics, particularly for categorization of visual data.

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Light Field Cameras

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Light Field Cameras capture information about the amount and direction of light rays flowing in space. They allow for post-capture refocus and 3D reconstruction, and are used for advanced visual effects in robotic vision.

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Depth from Focus/Defocus

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Depth from Focus/Defocus uses the principle that out-of-focus regions of an image are blurrier than in-focus regions, to infer depth information. It is used for detailed scene analysis in applications such as robotic microsurgery.

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Convolutional Neural Networks (CNNs)

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CNNs are a class of deep learning algorithms specialized in processing structured grid data such as images. They are pivotal in image and pattern recognition and are employed in robotics for tasks such as visual inspection and object classification.

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Time-of-Flight Cameras

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Time-of-Flight Cameras measure depth by emitting a light pulse and calculating the time it takes to reflect back from objects, thus helping robots understand their surroundings. They are applied in collision avoidance, AR/VR, and robotics interaction.

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Stereo Vision

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Stereo Vision involves using two cameras to mimic human depth perception. It calculates the distance to objects by comparing the object's position in both camera views. Common applications include obstacle avoidance and 3D reconstruction in robotics.

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Particle Filter

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Particle Filter, also known as Sequential Monte Carlo method, is a technique for implementing a recursive Bayesian filter by Monte Carlo simulations. It's used in robotics for non-linear and non-Gaussian estimation problems.

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Face Recognition

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Face Recognition involves identifying or verifying a person's identity from an image or video. It's a complex task due to varying lighting, pose and expressions, and is used in security robots and social robotics.

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Exponential Map Representations for Robot Joints

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Exponential Map Representations describe the orientation and position of robot joints compactly, which is critical for kinematic and dynamic analyses in robot manipulation tasks involving vision-aided trajectory planning.

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