Company patents

HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.

HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD. surprisingly demonstrates a highly concentrated patent strategy, with 63.8% of its portfolio in Pictorial / Video Communications, despite a recent decline of 14.7% in 2026 so far. While other computing-related categories like Computer Vision and Image Processing show fluctuating yearly counts, the company is showing an emerging focus in Network Security & Access Control, which saw a 100.0% year-over-year growth in 2026.

Patent Trend by Technology Area

Yearly patent publications since 2023

Product themes

Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.

188 US filings (since 2023) · 12 categories · 20 themes

Video Quality & Encoding Optimization

Methods and apparatus for improving the visual fidelity, resolution, or compression efficiency of video signals, often through advanced processing, up-scaling, or neural network-based filters.

Pictorial / Video CommunicationsComputer Vision
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105since 2023
+3.2%YoY
Video Enhancement & Object Tracking

Methods and systems for improving the quality of video streams, generating intermediate frames, or continuously locating and following objects within a sequence of images, even under occlusion.

Image Processing
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95since 2023
-6.5%YoY
Granular Data Encryption & Access Control

Systems and methods for encrypting data at a fine-grained level (e.g., per data unit or based on sensitivity) and controlling access to it, often involving delegated authorization, contextual policies, or secure data sharing.

Cryptographic Mechanisms
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9since 2023
+100.0%YoY
Multi-Sensor Imaging & Synthesis

Systems that combine data from multiple camera sensors or capture multiple images from different perspectives or qualities, often involving image processing techniques like synthesis to create enhanced or comprehensive views.

Pictorial / Video CommunicationsPhotographic Apparatus
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6since 2023
-66.7%YoY
Vehicle-Integrated Camera Systems

Camera assemblies specifically designed for integration into vehicles, addressing challenges like mounting, field of view coverage, environmental robustness, and specialized imaging (e.g., near-infrared) for autonomous driving or safety.

Photographic Apparatus
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6since 2023
n/a
Secure Data Sharing & Rights Management

Mechanisms to facilitate the secure exchange of data between different entities or systems while enforcing usage policies, managing digital content rights, and ensuring data consistency during replication or transfer.

Computer Security
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4since 2023
new
Vision-Based Object & Pose Estimation

Methods and apparatus for detecting objects and determining their three-dimensional position and orientation (pose) using imagery or point cloud data, often for navigation, surveying, or environmental understanding.

Computer Vision
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4since 2023
0.0%YoY
AI/ML for Cryptographic Security

Applying artificial intelligence and machine learning techniques to enhance cryptographic systems, such as generating encryption models, improving zero-trust architectures, or enabling privacy-preserving computations like federated learning.

Computer Security
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3since 2023
new
Multi-modal Sensor Fusion

Techniques for combining data from disparate sensor types (e.g., cameras, radar, mobile device signals) to achieve a more robust and comprehensive understanding of an environment or subject, often leveraging machine learning for interpretation and correlation.

Computer Vision
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3since 2023
0.0%YoY
Hardware-Assisted Cryptographic Operations

Utilizing dedicated hardware components, secure enclaves, or trusted execution environments to perform cryptographic operations, enhancing security, performance, or isolation from software vulnerabilities.

Cryptographic Mechanisms
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3since 2023
-50.0%YoY
Camera Support & Stabilization Accessories

Mechanical structures and devices designed to support, stabilize, or mount cameras and related photographic equipment, often featuring quick-release mechanisms, damping, or adjustable components.

Photographic Apparatus
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3since 2023
n/a
Secure Communication Protocols

Technologies for establishing and maintaining secure communication channels between devices or networks, often employing encryption, secure protocols, or virtual private networks (VPNs).

Network Security & Access Control
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2since 2023
new
Automated Visual Inspectionfiltered

Systems that employ imaging and image processing to automatically detect defects, verify states, or ensure quality control in manufactured goods, printed materials, or industrial processes.

Pictorial / Video CommunicationsData Recognition (Barcodes, OCR)
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2since 2023
+100.0%YoY
Homomorphic Encryption Acceleration

Techniques for improving the performance, efficiency, or practicality of fully homomorphic encryption (FHE) schemes, often involving hardware accelerators or optimized algorithms for operations like bootstrapping and key-switching.

Cryptographic Mechanisms
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2since 2023
0.0%YoY
Secure Data Storage & Provenance

Techniques for protecting data at rest or in backup, ensuring its integrity, confidentiality, and verifiable origin, often involving encryption, unique identifiers, or secure repositories.

Network Security & Access Control
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2since 2023
0.0%YoY
Network Intrusion Detection

Systems and methods for identifying and blocking unauthorized access, malicious activities, or abnormal behavior within a network by analyzing traffic, system logs, or behavioral patterns.

Network Security & Access Control
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2since 2023
0.0%YoY
Physical Item Tracking & Management

Systems and methods for uniquely identifying, tracking, and managing physical items using scannable codes (barcodes, QR codes) or wireless tags (RFID, IoT devices) to link physical objects to digital information, inventory, or services.

Data Recognition (Barcodes, OCR)
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1since 2023
new
AI for Medical Diagnostics

Utilizing machine learning, particularly deep learning, to analyze medical data such as images, sensor readings, or physiological signals for disease prediction, diagnosis, or treatment assessment.

Machine Learning & AI
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1since 2023
new
Data Resiliency & Recovery

Encompasses strategies and technologies to ensure the availability, integrity, and recoverability of data and systems, including robust backup, replication, error correction, and efficient data restoration.

System Reliability & Diagnostics
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1since 2023
n/a
Smart Card Component Integration

Focuses on the physical construction and integration of electronic components, such as antennas, IC chips, and display elements, into smart cards or secure documents, often involving multi-layer structures and specialized materials.

Data Recognition (Barcodes, OCR)
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1since 2023
n/a

Patents

Showing 1-10 of 15

Automated Visual Inspection
Page 1 of 2
US 11368648 B2GRANTED
H04N5/91

Image storage method and apparatus, and electronic device and storage medium

Filed:2019-04-16Pub:2022-06-21
Applicant:Hangzhou Hikvision Digital Technology Co., Ltd.

Embodiments of the present application provide an image storage method and apparatus, and an electronic device and a storage medium. In the method, pixel data obtained by scanning with a first partial region of a scanning region is acquired as first pixel data, and the first pixel data is stored in a storage space; the first pixel data is corrected by using a preset correction algorithm to obtain second pixel data, and the second pixel data is stored in the storage space; if it is determined that the remaining space of the storage space meets the preset condition, the pixel data obtained by scanning with the remaining region of the scanning region is acquired as the third pixel data, and the third pixel data is stored in the storage space; wherein, the scanning mode of the remaining region is a preset second scanning mode; and the third pixel data is corrected by using the preset correction algorithm to obtain fourth pixel data, and the fourth pixel data is stored in the storage space. In the present application, due to the number of pixels obtained by scanning in the preset second scanning mode is less than the number of pixels obtained by scanning in the preset first scanning mode, the size of the image before correction is reduced, and thereby the success rate of image storage is improved.

US 11288548 B2GRANTED
G06K9/62

Target detection method and apparatus, and computer device

Filed:2018-10-16Pub:2022-03-29
Applicant:HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.

Embodiments of methods and apparatuses for object detection and of computer devices are disclosed. The method for object detection includes: acquiring an image to be detected that is captured by an image capturing means; inputting the image to be detected into a fully convolutional neural network obtained by training to generate an object upper-vertex confidence distribution diagram, an object lower-vertex confidence distribution diagram, and an object upper-and-lower-vertex correlation diagram for the image to be detected; for the object upper-vertex confidence distribution diagram and the object lower-vertex confidence distribution diagram respectively, determining upper-vertex objects and lower-vertex objects in the image to be detected by using a preset object determination method; for each first vertex, calculating a correlation value of a connection line connecting the first vertex object and each of second vertex object respectively by mapping the upper-vertex objects and the lower-vertex object onto the object upper-and-lower-vertex correlation diagram; and based on the correlation values, determining a connection line having a maximum correlation value as a specified object by matching the upper-vertex objects and lower-vertex objects. The accuracy of object detection can be improved through the present solution.