Issued Patents

74 granted patents in deep learning hardware, neural processing, imaging sensors, and computer vision.

Neural Processing & Deep Learning Hardware

12,182,577 - Neural-processing unit tile for shuffling queued nibbles for multiplication with non-zero weight nibble
11,880,760 - Mixed-precision NPU tile with depth-wise convolution
11,671,111 - Hardware channel-parallel data compression/decompression
11,664,819 - Homogenizing data sparsity using a butterfly multiplexer
11,551,055, 11,620,491, 12,314,833, 12,099,912, 12,086,700, 12,073,302, 12,015,429, 11,775,801, 11,775,802 - Neural processor
11,360,930, 11,645,224 - Neural processing accelerator
11,348,009, 11,710,043 - Non-uniform quantization of pre-trained deep neural network
11,211,944, 11,271,588 - Mixed-precision compression with random access
11,152,952, 11,716,095 - Channel-parallel compression with random memory access
11,146,283 - Zero-collapsing compression with random access
10,963,220, 11,579,842, 11,593,586, 11,775,256 - Signed multiplication using unsigned multiplier with dynamic fine-grained operand isolation
10,832,135 - Automatic thresholds for neural network pruning and retraining
10,460,231 - Method and apparatus of neural network based image signal processor
10,438,112 - Method and apparatus of learning neural network via hierarchical ensemble learning
10,417,525, 11,593,586, 11,875,268 - Object recognition with reduced neural network weight precision
9,734,567 - Label-free non-reference image quality assessment via deep neural network
9,411,726 - Low power computation architecture

3D Imaging, Depth Sensing & Time-of-Flight

11,294,039 - Time-resolving image sensor for range measurement and 2D greyscale imaging
11,153,551 - Apparatus for and method of illumination control for acquiring image information and depth information simultaneously
10,893,227, 11,394,916, 11,431,938, 11,736,832 - Timestamp calibration of the 3D camera with epipolar line laser point scanning
10,735,714 - Time-resolving sensor using shared PPD+SPAD pixel and spatial-temporal correlation for range measurement
10,557,925 - Time-of-flight (TOF) image sensor using amplitude modulation for range measurement
10,547,830 - Apparatus for and method of illumination control for acquiring image information and depth information simultaneously
10,531,073 - Method and apparatus for automatic calibration of RGBZ sensors utilizing epipolar geometry and scanning beam projector
10,397,553, 10,735,714 - Time-resolving sensor using shared PPD+SPAD pixel and spatial-temporal correlation for range measurement
10,250,833, 10,447,958 - Timestamp calibration of the 3D camera with epipolar line laser point scanning
10,145,678 - CMOS image sensor for depth measurement using triangulation with point scan
10,116,925, 10,735,714 - Time-resolving sensor using shared PPD + SPAD pixel and spatial-temporal correlation for range measurement
10,061,029 - Correction of depth images from T-O-F 3D camera with electronic-rolling-shutter for light modulation changes taking place during light integration
10,021,284 - Epipolar plane single-pulse indirect TOF imaging for automotives
9,967,539 - Timestamp error correction with double readout for the 3D camera with epipolar line laser point scanning
9,716,819 - Imaging device with 4-lens time-of-flight pixels and interleaved readout thereof
9,661,308 - Increasing tolerance of sensor-scanner misalignment of the 3D camera with epipolar line laser point scanning
9,277,136 - Imaging systems and methods with pixel sensitivity adjustments by adjusting demodulation signal
8,648,945 - Image sensors for sensing object distance information based on clock signals

Dynamic Vision Sensors & Event-Based Imaging

10,733,760 - Multiscale weighted matching and sensor fusion for dynamic vision sensor tracking
10,510,160, 10,733,760 - Multiscale weighted matching and sensor fusion for dynamic vision sensor tracking
10,198,660 - Method and apparatus for event sampling of dynamic vision sensor on image formation
9,967,500 - Systems and methods of selective output for reducing power
9,934,557 - Method and apparatus of image representation and processing for dynamic vision sensor

Image Processing & Enhancement

10,262,399 - Image denoising with color-edge contrast preserving
10,212,358 - Imaging devices with optical shutters and low-power drivers therefor
10,148,926 - Imaging apparatus and image processing method thereof
9,996,903 - Super-resolution in processing images such as from multi-layer sensors
9,971,937, 10,311,298 - Biometric camera
9,712,792 - RGB-RWB dual images by multi-layer sensors towards better image quality
9,665,927 - Method and apparatus of multi-frame super resolution robust to local and global motion
9,635,277 - Image sensor, image sensing method, and image photographing apparatus including image sensor
9,392,166 - Super-resolution in processing images such as from multi-layer sensors
9,232,121 - Image sensor defect identification using blurring techniques
9,137,466 - Image sensor defect identification using optical flare
8,994,867, 9,578,266 - Image sensor, operating method thereof, and device including the image sensor
8,988,598 - Methods of controlling image sensors using modified rolling shutter methods to inhibit image over-saturation
8,462,377 - Method, apparatus, and system for reduction of line processing memory size used in image processing

Color Processing & Image Quality

8,564,688 - Methods, systems and apparatuses for white balance calibration
8,411,943 - Method and apparatus for image signal color correction with reduced noise
8,160,381, 8,391,629, 8,442,345, 8,743,208 - Method and apparatus for image noise reduction using noise models
8,035,728 - Method and apparatus providing rule-based auto exposure technique preserving scene dynamic range
7,990,427, 8,400,522 - Method and apparatus for applying tonal correction to images
7,944,485, 8,953,056 - Method, apparatus and system for dynamic range estimation of imaged scenes
7,920,185, 8,411,174 - Shielding black reference pixels in image sensors
7,876,957 - Methods and apparatuses that reduce noise in image signals
7,876,363 - Methods, systems and apparatuses for high-quality green imbalance compensation in images
7,859,573 - Methods and apparatuses for image exposure correction
7,830,428 - Method, apparatus and system providing green-green imbalance compensation
7,813,545 - Backlit subject detection in an image
7,782,380 - Positional gain adjustment and surface generation for image processing
7,773,805 - Method and apparatus for flare cancellation for image contrast restoration
7,768,563 - Method and circuit for determining the response curve knee point in active pixel image sensors with extended dynamic range
7,768,559 - Positional gain adjustment and surface generation for image processing
7,737,394, 8,569,681, 9,252,176, 10,084,974 - Ambient infrared detection in solid state sensors
7,609,302, 8,045,040, 8,934,035 - Correction of non-uniform sensitivity in an image array
7,456,884 - Method and circuit for determining the response curve knee point in active pixel image sensors with extended dynamic range
7,386,186 - Apparatus and method for processing image sensors