Intel RealSense D455 Long-Baseline Stereo Depth Camera with IMU
The Intel RealSense D455 is a long-baseline stereo depth camera for mobile robotics, spatial mapping, and RGB-D research. Its 95 mm stereo baseline extends the geometry of the D435 family for longer working distances, with an ideal range of 0.6-6 m and a built-in six-axis IMU.Both the depth imagers and the dedicated color camera use global shutters, helping reduce rolling-shutter distortion in moving-camera applications. The D450 module and Vision Processor D4 deliver depth over USB-C, while RGB and inertial data support host-side recognition and sensor fusion. For a Unitree or other robot installation, check the particular robot configuration, mounting, USB host, and software stack rather than assuming automatic controller compatibility.For development, use the RealSense SDK to inspect streams, access calibration data, record datasets, and build C/C++ or Python applications. Match the camera firmware and ROS wrapper to the chosen SDK release; the host remains responsible for recognition, reconstruction and robot behavior.Features Stereo geometry - 95 mm baseline and 0.6-6 m ideal range help define the sensor placement and scene size. On-camera depth computation - The D450 module works with Vision Processor D4 to generate depth before data reaches the host. Active infrared projection - The built-in infrared projector adds texture for active stereo; ambient texture and illumination also influence the result. Motion-aware sensor choice - Global-shutter depth reduces rolling-shutter distortion, but exposure and camera movement still affect image quality. Depth stream selection - 1280 x 720 at 30 fps; 848 x 480 at up to 90 fps (USB 3). Choose a profile that the host can sustain alongside the required color and motion streams. Color information - 1280 x 800 at 30 fps; 848 x 480 at up to 60 fps. Use intrinsic and extrinsic calibration when converting pixel coordinates or generating textured point clouds. Inertial measurements - The six-axis IMU supplies accelerometer and gyroscope data for application-side fusion; it does not run a complete navigation algorithm. Compact physical integration - 124 x 29 x 26 mm housing; 116 g nominal (+/-10%). Allow clearance for connectors, cable bend radius and the optical field of view. Developer tooling - Use the compatible RealSense Viewer and SDK examples to inspect streams, record datasets and check calibration before integrating a custom application. System-level validation - Test representative target materials, illumination, motion, host bandwidth and thermal conditions before relying on measurements in an operating robot. Specifications Parameter Value Model Intel RealSense D455 Depth technology Active stereo Depth module D450 Vision processor RealSense Vision Processor D4 Stereo baseline 95 mm Depth imaging Global shutter Depth output profiles 1280 x 720 at 30 fps; 848 x 480 at up to 90 fps (USB 3) Depth field of view (H x V) 87 x 58 deg at 2 m, HD 16:9 Ideal working range 0.6-6 m Minimum-Z distance 520 mm at 1280 x 720; 350 mm at 848 x 480 Z-accuracy reference +/-2% at distances up to 4 m, 80% ROI and HD resolution, under datasheet test conditions Depth optical filter All-pass Color output 1280 x 800 at 30 fps; 848 x 480 at up to 60 fps Color field of view (H x V) 90 x 65 deg Inertial measurement unit Six-axis accelerometer + gyroscope Host interface USB 3 Type-C Dimensions (W x H x D) 124 x 29 x 26 mm Weight 116 g nominal (+/-10%) Power supply USB bus power; consumption depends on enabled streams and projector settings Validated ambient operating range 0-35 deg C Powered back-case temperature range 0-50 deg C Mounting 1/4-20 tripod attachment and model-specific mounting points; refer to CAD drawings Software RealSense SDK 2.0; C/C++, Python and ROS integrations through compatible SDK/wrapper releases Product Comparison Parameter RealSense D455 RealSense D435i Orbbec Gemini 335L Technology / filter Active stereo; All-pass Active stereo; All-pass Active/passive stereo; visible + NIR-pass Working range / mode 0.6-6 m ideal 0.3-3 m ideal 0.25-6 m ideal Stereo baseline 95 mm 50 mm 95 mm Depth FOV (H x V) 87 x 58 deg at 2 m, HD 87 x 58 deg at 2 m, HD 90 x 65 deg at 2 m; 1280 x 800 Representative depth output 1280 x 720 at 30 fps; 848 x 480 at up to 90 fps (USB 3) 1280 x 720 at 30 fps; 848 x 480 at up to 90 fps (USB 3) 1280 x 800 at 30 fps Depth sensing / shutter Global shutter Global shutter Global shutter Color output 1280 x 800 at 30 fps; 848 x 480 at up to 60 fps 1920 x 1080 at 30 fps 1280 x 800 at 60 fps IMU Yes Yes Yes Connection USB 3 Type-C USB 3 Type-C USB 3 Type-C Protection No IP rating stated No IP rating stated IP65 Software RealSense SDK 2.0 RealSense SDK 2.0 Orbbec SDK Choosing between models: D455 prioritizes longer-baseline sensing and global-shutter RGB compared with D435i. Gemini 335L uses the same nominal 95 mm baseline and adds an IP65 enclosure, with different depth formats and an Orbbec software stack.Compare the stated resolution, working distance and sensing mode together. FOV and depth range vary with configuration and scene conditions; changing camera brands also requires checking drivers, coordinate frames, calibration, cabling and mounting.Application.rs-app-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 24px}.rs-app-card{display:grid;grid-template-rows:subgrid;grid-row:span 3;gap:0;margin:0!important}.rs-app-card .rs-app-frame{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center}.rs-app-card img{width:100%;height:100%;object-fit:contain;margin:0}.rs-app-card h3{margin:14px 0 8px!important;line-height:1.35}.rs-app-card p{margin:0!important}.rs-app-text h3{margin:20px 0 8px}.rs-app-text p{margin:0 0 12px}@media(max-width:640px){.rs-app-grid{grid-template-columns:1fr}} Humanoid and Unitree-platform research Use RGB-D and inertial streams for humanoid perception research after verifying the specific robot's camera configuration, host software and mechanical interface. Do not assume a camera swap automatically connects to the robot's balance or navigation controller. Mobile robot perception Use depth and RGB as inputs for local obstacle awareness, scene understanding, and navigation research. Position the camera so the useful sensing volume covers the objects of interest, and test the robot's own motion and lighting conditions. Visual-inertial odometry research Combine timestamped depth, RGB, accelerometer and gyroscope measurements in an appropriate host-side estimator. The IMU supports sensor-fusion development but does not directly balance a robot or guarantee drift-free localization. Object scanning and reconstruction Record calibrated depth and color frames for host-side point-cloud registration, mesh generation, and digital capture. Reflective, transparent, very dark, or occluded surfaces need evaluation rather than being assumed measurable. Robot manipulation and workcell vision Estimate object position or surface geometry for pick-and-place and part-verification pipelines. Check the minimum sensing distance against gripper reach and tool clearance before designing the mounting bracket. Interactive vision and AR research Combine RGB with depth-based foreground segmentation for gesture, presence, or spatial-overlay experiments. Recognition and tracking models run in the application; the camera does not provide a complete interaction system by itself. Logistics and industrial inspection Capture scene geometry around shelves, workbenches, and moving equipment for positioning or dimension-estimation trials. Validate required measurement tolerance and motion blur with representative parts and operating speeds. Education and sensor-fusion research Use recorded streams and calibration data to study depth sensing, coordinate transforms, timing and reconstruction. Keep the SDK, firmware, stream profiles and host configuration documented so results can be reproduced. Aerial and field-robotics evaluation Assess the D455 as a sensor in a controlled research platform after checking payload, camera motion, vibration, cabling and the documented environmental limits. Depth measurements are not a substitute for a complete flight-safety or navigation system. Hardware OverviewReference DocumentsDocuments and ManualsD400 Series DatasheetSDK and SoftwareRealSense SDK 2.0FirmwareD400 Firmware ReleasesCAD and DrawingsD400 Camera CAD FilesPacking List SKU Item Quantity Intel-D455 Intel RealSense D455 Depth Camera 1 Stand 1 USB-C Cable 1 FAQ .faq-accordion details{border-bottom:1px solid #e6eef8;padding:14px 0} .faq-accordion summary{list-style:none;cursor:pointer;font-size:16px;font-weight:700;color:#1f2933;position:relative;padding-right:32px} .faq-accordion summary::-webkit-details-marker{display:none} .faq-accordion summary::after{content:"\203A";position:absolute;right:4px;top:50%;transform:translateY(-50%) rotate(90deg);color:#007fff;font-size:28px;line-height:1;transition:transform .2s ease} .faq-accordion details[open] summary::after{transform:translateY(-50%) rotate(270deg)} .faq-accordion p{margin:12px 0 0;color:#4b5563;line-height:1.65} How does D455 differ from the other RealSense model in the comparison?D455 uses a 95 mm baseline and global-shutter RGB; D435i uses a 50 mm baseline and rolling-shutter RGB. Both provide six-axis IMU data.How does it compare with Orbbec Gemini 335L?D455 prioritizes longer-baseline sensing and global-shutter RGB compared with D435i. Gemini 335L uses the same nominal 95 mm baseline and adds an IP65 enclosure, with different depth formats and an Orbbec software stack. Compare the profile-specific parameters in Product Comparison before changing hardware or software.What depth resolutions and frame rates are available?1280 x 720 at 30 fps; 848 x 480 at up to 90 fps (USB 3). Maximum resolution and maximum frame rate are not necessarily available in the same profile; query the connected device in a compatible Viewer or SDK.How close can the camera measure?520 mm at 1280 x 720; 350 mm at 848 x 480.Can this camera be used outdoors?Stereo depth can be evaluated indoors and outdoors, but illumination, target reflectivity, weather and the enclosure limits still matter. This model should not be assumed weather-sealed.Does the camera include an IMU?Yes. It provides three-axis acceleration and three-axis angular velocity for host-side processing. The IMU does not by itself provide drift-free pose, robot balance control or a complete SLAM system.Which software and ROS setup should I use?RealSense SDK 2.0 provides stream access and calibration tools, with C/C++, Python and ROS integration options. Match SDK, firmware, wrapper release and operating system rather than assuming every historical ROS distribution works with the newest package.What should I check for a multi-camera setup?Hardware synchronization requires the correct wiring and compatible operating modes. Sharing a USB hub can constrain simultaneous streams; depth and RGB synchronization depends on the chosen profile and model.How is the camera powered?The camera takes power from its USB connection. Use a suitable data-capable cable and a host port with adequate power and bandwidth; hubs, extensions and multiple cameras should be tested under the full stream load.What is included in the package?The package contains 1 Intel RealSense D455 Depth Camera, 1 Stand, 1 USB-C Cable. Downloadable software and technical files are listed separately in Reference Documents.
