Abstract: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for generating a placement of a camera. In some implementations, maintaining monitoring information of a property; generating a virtual model of a property; determining an initial placement location for a virtual camera in the virtual model; obtaining image data generated in the virtual model from the virtual camera placed at the initial placement location; analyzing the image data; determining, using the analysis of the image data, whether to identify an updated placement location; and providing the placement location for a physical camera at the property to a device using a result of the determination whether to identify the updated placement location.

Abstract: Disclosed are methods, systems, and apparatus for monitoring delivered packages using video. A method includes obtaining a notification of a delivery of a package at a property that includes a first image depicting the package; obtaining a second image captured by a camera at the property; determining, using the first image and the second image, that the package has been delivered to the property; generating a package model that represents an appearance of the package; and tracking a location of the package for use in determining whether to provide an alert to a device about the location of the package. Determining that the package has been delivered to the property comprises: comparing the first image to a model of a scene of the property; determining that the first image satisfies similarity criteria for matching the model of the scene; and determining that the second image likely depicts the package.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for property management and monitoring using a drone. In some implementations, images of an outside area corresponding to a property are obtained. From the images, it is determined that a person is approaching the property. A state of the property is identified. An action to perform by a drone is determined based on the images and a state of the property. The drone is instructed to navigate to the person and perform the action.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for selectively obfuscating audio. One of the methods includes detecting, by a security system for a premises, that a person who was within a threshold area for the premises was likely uttering a sound; determining, using data from one or more sensors, a likelihood that the person was communicating with the security system at the premises; determining whether the likelihood satisfies a threshold likelihood and that the person's voice should not be obfuscated; and in response to determining whether the likelihood satisfies the threshold likelihood and that the person's voice should not be obfuscated, selectively obfuscating the person's voice or maintaining, in memory, an audio signal i) that encodes the person's voice and ii) was captured by a microphone that was physically located at the premises.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for predictive video conference actions. One of the methods includes accessing, for a video conference in progress in an area of a property, data indicating activity at the property; predicting, using the data indicating activity at the property, that a video conference interruption is likely to occur; and in response to determining that a video conference interruption is likely to occur, performing one or more actions to reduce a likelihood that the video conference interruption will be presented during the video conference.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for object detection. One of the methods includes determining, using first sensor data, a detection result on whether to trigger an event alerting a presence of an object in a target area by executing one or more models; determining, using second sensor data, a ground truth for the event that indicates whether an object is present in the target area; determining a difference value by comparing the detection result and the ground truth; adjusting at least one parameter of the one or more models in response to determining that the difference value does not satisfy the one or more threshold criteria; and determining a new detection result on whether to trigger a second event by executing the one or more models with adjusted parameters using new first sensor data.

Abstract: Systems, devices, and methods for monitoring a person's sleep are described. Thermal images of a person sleeping can be captured using an infrared camera and processed to determine the body temperature of the person. A particular sleep stage and its duration can be determined using the body temperature. In addition, the data obtained from monitoring the person can be used to determine if the person is suffering from one or more sleep disorders or other health problems. In this manner, a person's sleep quantity and quality can be determined in a non-invasive, efficient, and comfortable manner.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for object detection. One of the methods includes determining, using first sensor data, a detection result on whether to trigger an event alerting a presence of an object in a target area by executing one or more models; determining, using second sensor data, a ground truth for the event that indicates whether an object is present in the target area; determining a difference value by comparing the detection result and the ground truth; adjusting at least one parameter of the one or more models in response to determining that the difference value does not satisfy the one or more threshold criteria; and determining a new detection result on whether to trigger a second event by executing the one or more models with adjusted parameters using new first sensor data.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for detecting packages delivering in the camera's blindspot. One of the methods includes detecting, using one or more images captured by a camera at a property, movement in an area of interest i) at the property, ii) that is included in a field of view of the camera and iii) was generated using historical data for packages delivered to the property; determining, using the detected movement in the area of interest, that a package was likely delivered; and in response to determining that the package was likely delivered, performing one or more automated actions for the package.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for monitoring extended reality spaces. One of the methods includes determining, for a first extended reality environment generated by a first device, first data defining a first three-dimensional space at a property for the first environment; determining, for a second extended reality environment generated by a second device, second data defining a second three-dimensional space at the property for the second environment; determining whether the first space at least partially overlaps with the second space; in response to determining that the first space at least partially overlaps with the second space, determining that the first space has a higher priority than the second space; in response to determining that the first space has the higher priority than the second space, providing, to the second device, a command to adjust an experience for the second extended reality environment.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for providing targeted notifications. One of the methods includes determining a likely identity of a visitor who arrived at a property that is associated with two or more people, selecting, from the two or more people, a target person using the likely identity of the visitor, and sending, to a device of the target person, a notification that indicates that the visitor arrived at the property.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for robot navigation. In some implementations, a method includes obtaining sensor data captured by one or more sensors located at a property over a time period; detecting an object represented in the sensor data; detecting, using the detected object and multiple subsets of the sensor data, a movement pattern of the object over the time period; determining an area navigable for a robot at the property using the detected movement pattern of the object over the time period; and providing, to the robot, an indication of the area navigable for the robot.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for consolidation of alerts using a similarity criterion. One of the methods includes: receiving, from a sensor at a property for which a first action in a sequence of actions was detected by a second sensor at the property, data that identifies a second action at the property; determining whether the second action satisfies a similarity criterion for an action in the sequence of actions that define an event at the property; and in response to determining that the second action satisfies the similarity criterion for the action in the sequence of actions that define the event at the property, performing an event operation for the event at the property.

Abstract: Disclosed are methods, systems, and apparatus for monitoring delivered packages using video. A method includes obtaining a notification of a delivery of a package at a property that includes a first image depicting the package; obtaining a second image captured by a camera at the property; determining, using the first image and the second image, that the package has been delivered to the property; generating a package model that represents an appearance of the package; and tracking a location of the package for use in determining whether to provide an alert to a device about the location of the package. Determining that the package has been delivered to the property comprises: comparing the first image to a model of a scene of the property; determining that the first image satisfies similarity criteria for matching the model of the scene; and determining that the second image likely depicts the package.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for detecting packages delivering in the camera's blindspot. One of the methods includes detecting, using one or more images captured by a camera at a property, movement in an area of interest i) at the property, ii) that is included in a field of view of the camera and iii) was generated using historical data for packages delivered to the property; determining, using the detected movement in the area of interest, that a package was likely delivered; and in response to determining that the package was likely delivered, performing one or more automated actions for the package.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for monitoring extended reality spaces. One of the methods includes maintaining, for an extended reality environment generated by a first device operated by a person, data defining a three-dimensional space at a property; accessing sensor data generated by one or more sensors physically located at the property; predicting, using the sensor data, that an object will likely interfere with the three-dimensional space at the property; and in response to predicting that the object will likely interfere with the three-dimensional space at the property, providing a notification to a second device.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for monitoring extended reality spaces. One of the methods includes selecting, from a physical space at a property, a first available portion of the physical space for representing an extended reality environment; causing presentation of a first portion of the extended reality environment at the first available portion of the physical space; predicting, using sensor data generated from one or more sensors at the property, that the first available portion of the physical space will likely be interfered with; in response to predicting that the first available portion of the physical space will likely be interfered with, selecting, from the plurality of available portions of the physical space, a second available portion for representing the environment; and causing presentation of a second portion of the extended reality environment at the second available portion of the physical space.

Abstract: Systems and methods for detecting and monitoring areas of water damage or water management problems in a property are described. Monitoring devices can be deployed at different locations of a property to obtain sensor data and image data regarding the environmental conditions in potentially problematic areas of the property. An image obtained by the monitoring devices can be processed and compared with reference images or other image data that is filtered in a different manner that the image to identify portions of the image in which water damage or water management problems exist.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for automatically cleaning a portion of an environment. One of the methods includes detecting, by an automated cleaning system, movement within a physical environment; determining, by the automated cleaning system and using data that represents the movement, that one or more threshold criteria for cleaning at least a portion of the physical environment are satisfied; and in response to determining that the one or more threshold criteria for cleaning at least the portion of the physical environment are satisfied, sending, by the automated cleaning system, an instruction to a device in the physical environment to cause the device to initiate a cleaning process of at least the portion of the physical environment.

Abstract: Methods, systems, and apparatus for remote camera-assisted robot guidance are disclosed. A method includes obtaining images of objects approaching a door of a property; identifying candidate paths to the door based on the images of the objects approaching the door of the property; determining movement capabilities of the objects; storing the candidate paths to the door labeled by the movement capabilities of the objects that took the paths; determining capability information for a robot at the property that indicates movement capabilities of the robot; selecting, from the candidate paths, a path for the robot to take to the door based on the movement capabilities of the robot and the labels of the candidate paths; and providing guidance information to the robot that guides the robot to the door along the selected path.