Inventor

ZHAI YUN

US91 patents

⚠️ This page may combine multiple inventors who share the name “ZHAI YUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZHAI YUN

IBM

Method for detecting a non-scan at a retail checkout station

Automatically determining field of view overlap among multiple cameras

Non-scan detect system for a retail checkout station

Self-calibration of a static camera from vehicle information

Determination of object presence and motion state

Automatically determining field of view overlap among multiple cameras

Estimation of object properties in 3D world

Multi-mode video event indexing

Pathway management using model analysis and forecasting

Boosting object detection performance in videos

Multi-cue object association

Calibration of video object classification

Discovering object pathways in a camera network

Discovering object pathways in a camera network

Automatically calibrating regions of interest for video surveillance

Using detailed process information at a point of sale

Automated learning for people counting systems

Filtering methods for visual object detection

Visual monitoring of queues using auxillary devices

Efficient retrieval of anomalous events with priority learning

Estimation of object properties in 3D world

Video object classification

Multi-mode video event indexing

Optimizing video stream processing

Determining camera height using distributions of object heights and object image heights

Object retrieval in video data using complementary detectors

Detection of static object on thoroughfare crossings

Sequential event detection from video

Discovering object pathways in a camera network

BOBBITT RUSSELL PATRICK

Creating a training tool

Generating an alert based on absence of a given person in a transaction

Optimizing video stream processing

Location-aware event detection

Detecting primitive events at checkout

BOBBITT RUSSELL P

Multi-mode video event indexing

Determination of train presence and motion state in railway environments

System and method for automatically distinguishing between customers and in-store employees

Sequential event detection from video

DATTA ANKUR

Efficient retrieval of anomalous events with priority learning

Estimation of object properties in 3D world

Anomalous pattern discovery

Video-based detection of multiple object types under varying poses

BROWN LISA MARIE

Calibration of video object classification

Video object classification

Video object classification

BROWN LISA M

Multi-event type monitoring and searching

Indexing and searching according to attributes of a person

HAMPAPUR ARUN

System and method for model based people counting

Detecting objects crossing a virtual boundary line

SENIOR ANDREW W

High density queue estimation and line management