Application Notes
Read to know how to use Vzense ToF cameras conveniently
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AN23-Vzense NYX series ToF cameras performance demonstration when capturing black objects
In 3D ToF imaging technology, the reflectivity of the measured target significantly affects the imaging results. This article primarily tests the imaging performance of the Vzense NYX series camera on black targets.
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AN22-Vzense NXY series ToF cameras performance demonstration in moving scenarios
3D Time-of-Flight (ToF) technology is well-suited for capturing moving targets and effectively resolves issues such as motion blur, making it increasingly popular in industrial 3D recognition applications. This article primarily introduces the imaging demonstration of Vzense ToF cameras in moving scenarios.
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AN21-Vzense ToF cameras performance demonstration in strong light scenarios
ToF technology, which actively emits light, still faces some key challenges in practical applications. One of these challenges is the imaging performance of ToF technology under intense ambient light. This article primarily demonstrates the imaging performance of Vzense ToF DS86 and NYX650 cameras in capturing static objects under intense lighting conditions.
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AN20-Vzense ToF DS series vs. NYX series
This article mainly details the differences and respective advantages of DS series and NYX series. Through various scenario tests and demonstration results, users can gain a more intuitive understanding of the suitable scenarios for each series, which can better help users in selecting products according to their required scenarios.
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AN19-Vzense ToF camera parameter configuration method
This article introduces how Vzense’s ToF cameras generate parameter configuration files (.json files) and the methods for setting camera parameters. Vzense cameras have designed different ways to help users preset camera parameters, allowing them to freely set parameters according to their needs.
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AN18-ScepterGUITool saving and viewing maps
This article explains how to use the ScepterGUITool to save depth images, IR images, and point cloud images, and which tools to use to view the saved images, making it convenient for users to view and utilize the obtained image information.
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AN17-Vzense ToF parameters summary and configuration recommendations
Different parameter configurations can result in varying performance for ToF cameras. This article summarizes the parameter definitions of the Vzense ToF camera and provides configuration recommendations for different application scenarios.
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AN16-Intel Realsense D435 vs. Vzense DS86 comparison test
As machine vision technology continues to develop, the application of 3D cameras for object recognition and behavior recognition is becoming increasingly common. This article selects two products, Intel Realsense D435 and Vzense DS86, and evaluates the imaging effects of these two 3D cameras in different scenarios.
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AN15-NYX series of ToF camera pallet identification testing
This article introduces the identification tests conducted on pallet made of different materials using the NYX series of ToF cameras, including black plastic pallet, blue plastic pallet, wooden pallet, and galvanized metal pallet. Various test conditions were set up to obtain different test results.
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AN14-NYX series of ToF camera depth quality testing
This article introduces the depth quality testing of the NYX series ToF cameras. Based on the test results, it is evident that the accuracy and precision of the NYX series decreases with increasing distance and increases with longer exposure times.
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AN13-Various filtering applications of Vzense ToF camera
This article introduces the application of four types of filtering, along with the implementation of API interfaces. The filter parameters can be adjusted, and appropriate thresholds need to be set according to the requirements of the actual scenario for application.
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AN12-Introduction to Vzense ToF camera image alignment and point cloud conversion
This article introduces image alignment, which refers to the process of finding the same object in the world coordinate system within the images from both RGB color image sensors and depth image sensors through coordinate transformation.
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AN11-Learn more about HDR fuction of Vzense ToF camera
This note is about HDR function test with various reflectivity objects. HDR function off, high reflectivity surfaces show significant exposure saturation. HDR function on, objects with both high and low reflectivity in the target area are well imaged.
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AN10-The position and FoV of key parts in Vzense ToF cameras
This note is about the field of view (FoV) and position of key optical parts (RGB lens, ToF lens and Lasers) in the camera, according which the user can mount and install the ToF camera correctly, including different PML DS86/DS87/NYX650/NYX660.
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AN09-Introduction to timestamp, frame index and frame latency
The process from generation to transmission of an image of Vzense ToF camera include:Exposure, ISP processing, Transmition, SDK processing, Program readout. Where exposure and native processing is done in the camera, SDK processing and application acquisition is done in the host.
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AN08-How to avoid multiple Vzense ToF camera interference with each other?
The Vzense DS series can achieve multi-camera coexistence through coordinated control, involving setting all cameras to trigger mode, with the master control platform controlling the exposure start time of different cameras to ensure they do not interfere with each other.
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AN07-Deep learning about trigger function of Vzense 3D ToF camera
The Vzense 3D TOF camera provide three operating modes: Active、Hardware Trigger and Software Trigger.In hard trigger mode, needing to configure a host compute and an external trigger source. Software trigger an image trigger can be carried out by calling the API.
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AN06-PTP function settings for Vzense 3D ToF camera
PTP is achieved by passing precise timestamps across the network. The master clock synchronizes with the slave clock by sending timestamp packets, and the slave clock adjusts its own clock by receiving and processing these messages.
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AN05-NTP function settings for Vzense 3D ToF camera
Network Clock Protocol (NTP) is a UDP-based protocol that is used to synchronize the clocks of computer systems. It is divided into two roles: the clock source provides the time standard, and the clock client synchronizes the local clock by communicating with the clock source.
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AN04- Introduction to exposure time and frame rate of ToF camera
Exposure time is the only factor that can be autonomously adjusted by the camera. Choosing the appropriate exposure time for the application scenario is particularly important, as it directly affects parameters such as absolute accuracy, relative accuracy, and distance range.
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AN03-The using and setting of RGB sensor in Vzense ToF camera
ToF cameras provide depth data of the scene, they do not have the ability to capture color information. The RGB camera can provide color images, together with the depth images provided by the ToF camera, it can play an important role in object recognition and visual analysis.
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AN02-How to connect the camera with host and solve the common connection issues？
This article describes the configuration of the network environment during the connection process, turning on the camera through ScepterGUITool, how to check the IP of the camera and modify and reset it, and lists the common problems and how to solve them.
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AN01-How to install Vzense ToF camera correctly
Due to the principles and characteristics of ToF technology, the following points should be noted when installing and using ToF cameras: Avoid blocking optical path、Avoid near object、Avoid attaching a cover plate on the surface of the camera、Avoid fully enclosing the ToF camera.
