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 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: 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: 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.

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 drone-assisted thermal monitoring. One of the methods includes determining a first temperature measurement at a first location of a property, navigating from the first location to a second location of the property, determining a second temperature measurement at the second location, generating a thermal model for the property based on the first temperature measurement and the second temperature measurement, and providing the thermal model for output.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for fetching and guarding delivered packages using robots. One of the methods includes: determining a characteristic of a package at a first location; determining a risk score for the package at the first location; determining, using the risk score and the characteristic of the package, to perform an action for the package; in response to determining to perform the action for the package, assigning a robot to perform the action; and deploying the robot to perform the action.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, are described for implementing a smart security fastener. The smart security fastener includes a body configured to be installed at a property; and a head that is supported by the body. The head has circuitry that includes: a micro-processor that generates control signals; and a radio device that is coupled to the micro-processor. The radio device is operable to: i) transmit data to a property monitoring system based on the control signals, where the data indicates an installation status of the smart security fastener; and ii) receive a command from the property monitoring system that indicates authorization to uninstall the smart security fastener. The circuitry also includes a power source that powers each of the micro-processor and the radio device.

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 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: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for emphasizing a portion of audio data. In some implementations, a method may include determining that a first person is wearing a hearing aid, determining, from images captured by a camera, that a second person is speaking to the first person, determining an audio stream for an environment in which the first person is located, determining whether more than one sound stream is encoded in the audio stream, based on determining that more than one sound stream is encoded in audio data, identifying a portion of captured sounds that corresponds to the second person speaking to the first person, and providing, to the hearing aid, audio data that increases a volume of the portion of captured sounds relative to other portions of the captured sounds.

Abstract: Systems and techniques are described for using thermal imaging to configure and/or augment temperature regulation operations within a property. In some implementations, a computing device obtains a thermal image of a region of a property. The thermal image identifies at least a surface within the region. A surface temperature of the surface is determined. An ambient temperature for the region is determined based at least on the surface temperature. The one or more temperature controls for the region are adjusted based at least on the ambient temperature.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for generating rules for a monitoring system. In some implementations, a method includes presenting a virtual model of a monitoring system of a property; obtaining action data from a computer generated avatar in the virtual model; generating a security rule for the monitoring system using the action data from the computer generated avatar in the virtual model; and providing, to the monitoring system, the security rule to cause the monitoring system to generate, using the security rule and sensor data from the property received by the monitoring system, a security alert.

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: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for reducing a likelihood that a doorbell might be used. One of the methods includes determining that a visitor arrived at a premises; determining that the visitor used a computing device at a first time; determining that a user device of a person of the premises received a message at a second time; determining that the first time and the second time both satisfy a timing criteria; and in response to determining that the first time and the second time both satisfy the timing criteria, sending, to the user device, a notification that indicates that the visitor arrived at the premises.

Abstract: Methods, systems, and apparatus for video analytics evaluation are disclosed. A method includes: identifying a video to display a result of an evaluation of video analysis; identifying a particular time in the video when a video analysis determination does not match a ground truth determination for the video; displaying an image from the particular time in the video; and displaying an indication that the video analysis determination does not match the ground truth determination for the video. Displaying the image from the particular time in the video can include generating a graphical user interface for presentation on a display of a computing device. The indication that the video analysis determination does not match the ground truth determination for the video can include a user-selectable icon. In response to a user selecting the user-selectable icon, the method can include displaying video analysis results for the particular time in the video.