-
公开(公告)号：US20210326050A1
公开(公告)日：2021-10-21
申请号：US17233361
申请日：2021-04-16
Applicant: Texas Instruments Incorporated
Inventor： Mihir Narendra MODY , Niraj NANDAN , Rajasekhar Reddy ALLU
Abstract: An integrated circuit includes: a local memory; and a first processing circuit coupled to the local memory. The first processing component is configured to: receive a first set of image data; perform a first image processing operation on the first set of image data to produce a second set of image data; and store at least some of the second set of image data into the local memory. The integrated circuit also includes a second processing circuit coupled to the local memory and configured to: receive at least some of the second set of image data from the local memory; and perform a second image processing operation on the second set of image data to produce a third set of image data.
-
公开(公告)号：US20200379928A1
公开(公告)日：2020-12-03
申请号：US16995364
申请日：2020-08-17
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Mihir MODY , Niraj NANDAN , Hetul SANGHVI , Brian CHAE , Rajasekhar Reddy ALLU , Jason A.T. JONES , Anthony LELL , Anish REGHUNATH
Abstract: A processing accelerator includes a shared memory, and a stream accelerator, a memory-to-memory accelerator, and a common DMA controller coupled to the shared memory. The stream accelerator is configured to process a real-time data stream, and to store stream accelerator output data generated by processing the real-time data stream in the shared memory. The memory-to-memory accelerator is configured to retrieve input data from the shared memory, to process the input data, and to store, in the shared memory, memory-to-memory accelerator output data generated by processing the input data. The common DMA controller is configured to retrieve stream accelerator output data from the shared memory and transfer the stream accelerator output data to memory external to the processing accelerator; and to retrieve the memory-to-memory accelerator output data from the shared memory and transfer the memory-to-memory accelerator output data to memory external to the processing accelerator.
-
公开(公告)号：US20250054192A1
公开(公告)日：2025-02-13
申请号：US18929419
申请日：2024-10-28
Applicant: Texas Instruments Incorporated
Inventor： Gang HUA , Mihir Narendra MODY , Niraj NANDAN , Shashank DABRAL , Rajasekhar Reddy ALLU , Denis Roland BEAUDOIN
Abstract: Techniques for image processing including receiving input image data, wherein the input image data includes data associated with a clear color channel, receiving a color offset value associated with a color channel, wherein color values for the color channel are not provided in the input image data, based on the color offset value, generating intermediate estimated color values for the color channel, wherein generating the intermediate estimated color values includes: clipping color values that have a magnitude greater than the color offset value, and adjusting color values that have a magnitude less than the color offset value based on the color offset value, applying a color correction function to the intermediate estimated color values based on the color offset value to determine color corrected estimated color values, and outputting the color corrected estimated color values.
-
Patent Agency Ranking
公开(公告)号：US20250030951A1
公开(公告)日：2025-01-23
申请号：US18909023
申请日：2024-10-08
Applicant: Texas Instruments Incorporated
Inventor： Gang HUA , Mihir Narendra MODY , Niraj NANDAN , Shashank DABRAL , Rajasekhar Reddy ALLU , Denis Roland BEAUDOIN
Abstract: A technique for image processing, comprising: receiving input image data, wherein the image data is companded into a first bit depth, wherein the image data includes incomplete color values for pixels of the image data, and wherein the image data is associated with a first color space, interpolating the image data to generate color values for the incomplete color values for pixels of the image data, expanding the image data from the first bit depth to a second bit depth, wherein the color values of the expanded image data have a linear dynamic range, and wherein the second bit depth is higher than the first bit depth, converting the color values for pixels of the expanded image data from the first color space to a second color space, and compressing the color values for pixels of the image data to a third bit depth, the third bit depth lower than the second bit depth, and wherein the compressed color values have a nonlinear dynamic range.
-
公开(公告)号：US20230291864A1
公开(公告)日：2023-09-14
申请号：US17690829
申请日：2022-03-09
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Mihir Narendra MODY , Brijesh JADAV , Gang HUA , Niraj NANDAN , Rajasekhar Reddy ALLU , Ankur ANKUR , Mayank MANGLA
CPC classification number: H04N5/2628 , G06T3/40 , G06T7/12 , G06T7/60 , G06T11/00
Abstract: A technique for determining regions and block sizes for configuring a perspective transformation engine including determining a set of scale ratios for images captured by a camera, generating a scale ratio image based on the set of scale ratios, determining a set of boundary ranges for the scale ratio image, generating a binary scale ratio image using the set of scale ratios of the scale ratio image, determining a set of regions based on the set of boundary ranges for the binary scale ratio image, determining a block size for each region of the determined set of regions, and outputting the determined set of regions and the determined block sizes.
-
16.发明公开公开(公告)号：US20230199339A1
公开(公告)日：2023-06-22
申请号：US17555145
申请日：2021-12-17
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Gang HUA , Rajasekhar Reddy ALLU , Mihir Narendra MODY , Niraj NANDAN , Mayank MANGLA , Pandy KALIMUTHU
CPC classification number: H04N9/04517 , G06T1/60 , G06T3/4015 , H04N9/04551
Abstract: In the advanced driver-assistance systems (ADAS) field, RAW sensor image processing for machine vision (MV) applications can be of critical importance. Due to red/green/blue (RGB) image components being focused by the lens at different locations in image plane, the lateral chromatic aberration (LCA) phenomenon may sometimes be observed, which causes false color around edges in the final image output, especially for high contrast edges, which can impede MV applications. Disclosed herein are low-latency, efficient, optimized designs for chromatic aberration correction (CAC) modules. In some embodiments, an in-pipeline CAC design is used that: is configured to perform on-the-fly CAC without any out-of-pipeline memory traffic; enables use of wide dynamic range (WDR) sensors; uses bicubic interpolation; supports vertical and horizontal chromatic aberration red/blue color channel offsets, reduces CAC line memory requirements, and supports flexible look-up table (LUT) down-sampling factors to improve the spatial precision of correction and accommodate popular image sensor resolutions.
-
公开(公告)号：US20230171512A1
公开(公告)日：2023-06-01
申请号：US17538833
申请日：2021-11-30
Applicant: Texas Instruments Incorporated
Inventor： Gang HUA , Mihir Narendra MODY , Niraj NANDAN , Shashank DABRAL , Rajasekhar Reddy ALLU , Denis Roland BEAUDOIN
CPC classification number: H04N9/04515 , H04N9/67 , H04N9/68
Abstract: A technique for image processing, comprising: receiving input image data, wherein the image data is companded into a first bit depth, wherein the image data includes incomplete color values for pixels of the image data, and wherein the image data is associated with a first color space, interpolating the image data to generate color values for the incomplete color values for pixels of the image data, expanding the image data from the first bit depth to a second bit depth, wherein the color values of the expanded image data have a linear dynamic range, and wherein the second bit depth is higher than the first bit depth, converting the color values for pixels of the expanded image data from the first color space to a second color space, and compressing the color values for pixels of the image data to a third bit depth, the third bit depth lower than the second bit depth, and wherein the compressed color values have a nonlinear dynamic range.
-
公开(公告)号：US20220058768A1
公开(公告)日：2022-02-24
申请号：US17520861
申请日：2021-11-08
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Niraj NANDAN , Rajasekhar Reddy ALLU , Mihir Narendra MODY
Abstract: A lens distortion correction function operates by backmapping output images to the uncorrected, distorted input images. As a vision image processor completes processing on the image data lines needed for the lens distortion correction function to operate on a group of output, undistorted image lines, the lens distortion correction function begins processing the image data. This improves image processing pipeline delays by overlapping the operations. The vision image processor provides output image data to a circular buffer in SRAM, rather than providing it to DRAM. The lens distortion correction function operates from the image data in the circular buffer. By operating from the SRAM circular buffer, access to the DRAM for the highly fragmented backmapping image data read operations is removed, improving available DRAM bandwidth. By using a circular buffer, less space is needed in the SRAM. The improved memory operations further improve the image processing pipeline delays.
-
-
-
-
-
-
-
Search Results
18
records
(took 0.016 seconds)
